author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:30:33 +0300 | |
branch | RCL_3 |
changeset 29 | 567bb019e3e3 |
parent 0 | 0e761a78d257 |
child 30 | 7e817e7e631c |
permissions | -rw-r--r-- |
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/* GStreamer |
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* Copyright (C) 2004 Ronald Bultje <rbultje@ronald.bitfreak.net> |
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* Copyright (C) 2008 Sebastian Dröge <slomo@circular-chaos.org> |
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* |
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* gstchannelmix.c: setup of channel conversion matrices |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public |
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* License along with this library; if not, write to the |
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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* Boston, MA 02111-1307, USA. |
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*/ |
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|
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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#include <math.h> |
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#include <string.h> |
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#include <gst/audio/multichannel.h> |
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#include "gstchannelmix.h" |
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/* |
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* Channel matrix functions. |
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*/ |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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void |
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gst_channel_mix_unset_matrix (AudioConvertCtx * this) |
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{ |
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gint i; |
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/* don't access if nothing there */ |
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if (!this->matrix) |
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return; |
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/* free */ |
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for (i = 0; i < this->in.channels; i++) |
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g_free (this->matrix[i]); |
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g_free (this->matrix); |
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this->matrix = NULL; |
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g_free (this->tmp); |
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this->tmp = NULL; |
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} |
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/* |
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* Detect and fill in identical channels. E.g. |
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* forward the left/right front channels in a |
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* 5.1 to 2.0 conversion. |
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*/ |
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static void |
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gst_channel_mix_fill_identical (AudioConvertCtx * this) |
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{ |
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gint ci, co; |
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|
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/* Apart from the compatible channel assignments, we can also have |
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* same channel assignments. This is much simpler, we simply copy |
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* the value from source to dest! */ |
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for (co = 0; co < this->out.channels; co++) { |
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/* find a channel in input with same position */ |
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for (ci = 0; ci < this->in.channels; ci++) { |
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if (this->in.pos[ci] == this->out.pos[co]) { |
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this->matrix[ci][co] = 1.0; |
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} |
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} |
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} |
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} |
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/* |
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* Detect and fill in compatible channels. E.g. |
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* forward left/right front to mono (or the other |
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* way around) when going from 2.0 to 1.0. |
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*/ |
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|
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static void |
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gst_channel_mix_fill_compatible (AudioConvertCtx * this) |
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{ |
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/* Conversions from one-channel to compatible two-channel configs */ |
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struct |
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{ |
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GstAudioChannelPosition pos1[2]; |
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GstAudioChannelPosition pos2[1]; |
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} conv[] = { |
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/* front: mono <-> stereo */ |
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{ { |
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GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, |
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT}, { |
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GST_AUDIO_CHANNEL_POSITION_FRONT_MONO}}, |
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/* front center: 2 <-> 1 */ |
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105 |
{ { |
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106 |
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER, |
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|
107 |
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER}, { |
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108 |
GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER}}, |
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109 |
/* rear: 2 <-> 1 */ |
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110 |
{ { |
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111 |
GST_AUDIO_CHANNEL_POSITION_REAR_LEFT, |
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112 |
GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT}, { |
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113 |
GST_AUDIO_CHANNEL_POSITION_REAR_CENTER}}, { { |
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114 |
GST_AUDIO_CHANNEL_POSITION_INVALID}} |
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115 |
}; |
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116 |
gint c; |
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117 |
|
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118 |
/* conversions from compatible (but not the same) channel schemes */ |
0
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119 |
for (c = 0; conv[c].pos1[0] != GST_AUDIO_CHANNEL_POSITION_INVALID; c++) { |
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120 |
gint pos1_0 = -1, pos1_1 = -1, pos1_2 = -1; |
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121 |
gint pos2_0 = -1, pos2_1 = -1, pos2_2 = -1; |
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122 |
gint n; |
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123 |
|
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124 |
for (n = 0; n < this->in.channels; n++) { |
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if (this->in.pos[n] == conv[c].pos1[0]) |
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pos1_0 = n; |
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else if (this->in.pos[n] == conv[c].pos1[1]) |
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pos1_1 = n; |
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else if (this->in.pos[n] == conv[c].pos2[0]) |
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pos1_2 = n; |
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131 |
} |
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for (n = 0; n < this->out.channels; n++) { |
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133 |
if (this->out.pos[n] == conv[c].pos1[0]) |
0
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134 |
pos2_0 = n; |
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135 |
else if (this->out.pos[n] == conv[c].pos1[1]) |
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pos2_1 = n; |
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else if (this->out.pos[n] == conv[c].pos2[0]) |
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138 |
pos2_2 = n; |
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139 |
} |
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140 |
|
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141 |
/* The general idea here is to fill in channels from the same position |
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* as good as possible. This means mixing left<->center and right<->center. |
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143 |
*/ |
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144 |
|
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145 |
/* left -> center */ |
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146 |
if (pos1_0 != -1 && pos1_2 == -1 && pos2_0 == -1 && pos2_2 != -1) |
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this->matrix[pos1_0][pos2_2] = 1.0; |
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148 |
else if (pos1_0 != -1 && pos1_2 != -1 && pos2_0 == -1 && pos2_2 != -1) |
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this->matrix[pos1_0][pos2_2] = 0.5; |
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else if (pos1_0 != -1 && pos1_2 == -1 && pos2_0 != -1 && pos2_2 != -1) |
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151 |
this->matrix[pos1_0][pos2_2] = 1.0; |
0
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152 |
|
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153 |
/* right -> center */ |
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if (pos1_1 != -1 && pos1_2 == -1 && pos2_1 == -1 && pos2_2 != -1) |
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this->matrix[pos1_1][pos2_2] = 1.0; |
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else if (pos1_1 != -1 && pos1_2 != -1 && pos2_1 == -1 && pos2_2 != -1) |
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this->matrix[pos1_1][pos2_2] = 0.5; |
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158 |
else if (pos1_1 != -1 && pos1_2 == -1 && pos2_1 != -1 && pos2_2 != -1) |
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159 |
this->matrix[pos1_1][pos2_2] = 1.0; |
0
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160 |
|
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161 |
/* center -> left */ |
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162 |
if (pos1_2 != -1 && pos1_0 == -1 && pos2_2 == -1 && pos2_0 != -1) |
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163 |
this->matrix[pos1_2][pos2_0] = 1.0; |
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else if (pos1_2 != -1 && pos1_0 != -1 && pos2_2 == -1 && pos2_0 != -1) |
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165 |
this->matrix[pos1_2][pos2_0] = 0.5; |
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166 |
else if (pos1_2 != -1 && pos1_0 == -1 && pos2_2 != -1 && pos2_0 != -1) |
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167 |
this->matrix[pos1_2][pos2_0] = 1.0; |
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168 |
|
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169 |
/* center -> right */ |
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if (pos1_2 != -1 && pos1_1 == -1 && pos2_2 == -1 && pos2_1 != -1) |
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171 |
this->matrix[pos1_2][pos2_1] = 1.0; |
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172 |
else if (pos1_2 != -1 && pos1_1 != -1 && pos2_2 == -1 && pos2_1 != -1) |
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173 |
this->matrix[pos1_2][pos2_1] = 0.5; |
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174 |
else if (pos1_2 != -1 && pos1_1 == -1 && pos2_2 != -1 && pos2_1 != -1) |
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175 |
this->matrix[pos1_2][pos2_1] = 1.0; |
0
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176 |
} |
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177 |
} |
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178 |
|
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179 |
/* |
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180 |
* Detect and fill in channels not handled by the |
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181 |
* above two, e.g. center to left/right front in |
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182 |
* 5.1 to 2.0 (or the other way around). |
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183 |
* |
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184 |
* Unfortunately, limited to static conversions |
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185 |
* for now. |
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186 |
*/ |
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187 |
|
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188 |
static void |
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189 |
gst_channel_mix_detect_pos (AudioConvertFmt * caps, |
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190 |
gint * f, gboolean * has_f, |
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191 |
gint * c, gboolean * has_c, gint * r, gboolean * has_r, |
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192 |
gint * s, gboolean * has_s, gint * b, gboolean * has_b) |
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193 |
{ |
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194 |
gint n; |
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195 |
|
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196 |
for (n = 0; n < caps->channels; n++) { |
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197 |
switch (caps->pos[n]) { |
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198 |
case GST_AUDIO_CHANNEL_POSITION_FRONT_MONO: |
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199 |
f[1] = n; |
0
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parents:
diff
changeset
|
200 |
*has_f = TRUE; |
29
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parents:
0
diff
changeset
|
201 |
break; |
567bb019e3e3
Revision: 201010
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parents:
0
diff
changeset
|
202 |
case GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT: |
567bb019e3e3
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parents:
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diff
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|
203 |
f[0] = n; |
567bb019e3e3
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parents:
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diff
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|
204 |
*has_f = TRUE; |
567bb019e3e3
Revision: 201010
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parents:
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diff
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|
205 |
break; |
567bb019e3e3
Revision: 201010
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parents:
0
diff
changeset
|
206 |
case GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT: |
567bb019e3e3
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parents:
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diff
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|
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f[2] = n; |
567bb019e3e3
Revision: 201010
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parents:
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diff
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|
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*has_f = TRUE; |
0
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parents:
diff
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|
209 |
break; |
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Revision: 200949
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parents:
diff
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|
210 |
case GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER: |
29
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parents:
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|
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c[1] = n; |
0
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parents:
diff
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|
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*has_c = TRUE; |
29
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parents:
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|
213 |
break; |
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Revision: 201010
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parents:
0
diff
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|
214 |
case GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER: |
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parents:
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diff
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|
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c[0] = n; |
567bb019e3e3
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parents:
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|
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*has_c = TRUE; |
567bb019e3e3
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|
217 |
break; |
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|
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case GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER: |
567bb019e3e3
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c[2] = n; |
567bb019e3e3
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|
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*has_c = TRUE; |
0
0e761a78d257
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parents:
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|
221 |
break; |
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parents:
diff
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|
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case GST_AUDIO_CHANNEL_POSITION_REAR_CENTER: |
29
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|
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r[1] = n; |
0
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*has_r = TRUE; |
29
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parents:
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|
225 |
break; |
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parents:
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diff
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|
226 |
case GST_AUDIO_CHANNEL_POSITION_REAR_LEFT: |
567bb019e3e3
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r[0] = n; |
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parents:
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|
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*has_r = TRUE; |
567bb019e3e3
Revision: 201010
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parents:
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|
229 |
break; |
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Revision: 201010
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parents:
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|
230 |
case GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT: |
567bb019e3e3
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parents:
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|
231 |
r[2] = n; |
567bb019e3e3
Revision: 201010
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parents:
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|
232 |
*has_r = TRUE; |
0
0e761a78d257
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parents:
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|
233 |
break; |
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Revision: 200949
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parents:
diff
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|
234 |
case GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT: |
29
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Revision: 201010
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parents:
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diff
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|
235 |
s[0] = n; |
0
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Revision: 200949
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parents:
diff
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|
236 |
*has_s = TRUE; |
29
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Revision: 201010
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parents:
0
diff
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|
237 |
break; |
567bb019e3e3
Revision: 201010
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parents:
0
diff
changeset
|
238 |
case GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT: |
567bb019e3e3
Revision: 201010
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parents:
0
diff
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|
239 |
s[2] = n; |
567bb019e3e3
Revision: 201010
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parents:
0
diff
changeset
|
240 |
*has_s = TRUE; |
0
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
241 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
242 |
case GST_AUDIO_CHANNEL_POSITION_LFE: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
243 |
*has_b = TRUE; |
29
567bb019e3e3
Revision: 201010
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parents:
0
diff
changeset
|
244 |
b[1] = n; |
0
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
245 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
246 |
default: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
247 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
248 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
249 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
250 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
251 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
252 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
253 |
gst_channel_mix_fill_one_other (gfloat ** matrix, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
254 |
AudioConvertFmt * from_caps, gint * from_idx, |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
255 |
AudioConvertFmt * to_caps, gint * to_idx, gfloat ratio) |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
256 |
{ |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
257 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
258 |
/* src & dst have center => passthrough */ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
259 |
if (from_idx[1] != -1 && to_idx[1] != -1) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
260 |
matrix[from_idx[1]][to_idx[1]] = ratio; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
261 |
} |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
262 |
|
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
263 |
/* src & dst have left => passthrough */ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
264 |
if (from_idx[0] != -1 && to_idx[0] != -1) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
265 |
matrix[from_idx[0]][to_idx[0]] = ratio; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
266 |
} |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
267 |
|
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
268 |
/* src & dst have right => passthrough */ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
269 |
if (from_idx[2] != -1 && to_idx[2] != -1) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
270 |
matrix[from_idx[2]][to_idx[2]] = ratio; |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
271 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
272 |
|
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
273 |
/* src has left & dst has center => put into center */ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
274 |
if (from_idx[0] != -1 && to_idx[1] != -1 && from_idx[1] != -1) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
275 |
matrix[from_idx[0]][to_idx[1]] = 0.5 * ratio; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
276 |
} else if (from_idx[0] != -1 && to_idx[1] != -1 && from_idx[1] == -1) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
277 |
matrix[from_idx[0]][to_idx[1]] = ratio; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
278 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
279 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
280 |
/* src has right & dst has center => put into center */ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
281 |
if (from_idx[2] != -1 && to_idx[1] != -1 && from_idx[1] != -1) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
282 |
matrix[from_idx[2]][to_idx[1]] = 0.5 * ratio; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
283 |
} else if (from_idx[2] != -1 && to_idx[1] != -1 && from_idx[1] == -1) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
284 |
matrix[from_idx[2]][to_idx[1]] = ratio; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
285 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
286 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
287 |
/* src has center & dst has left => passthrough */ |
567bb019e3e3
Revision: 201010
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parents:
0
diff
changeset
|
288 |
if (from_idx[1] != -1 && to_idx[0] != -1 && from_idx[0] != -1) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
289 |
matrix[from_idx[1]][to_idx[0]] = 0.5 * ratio; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
290 |
} else if (from_idx[1] != -1 && to_idx[0] != -1 && from_idx[0] == -1) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
291 |
matrix[from_idx[1]][to_idx[0]] = ratio; |
567bb019e3e3
Revision: 201010
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parents:
0
diff
changeset
|
292 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
293 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
294 |
/* src has center & dst has right => passthrough */ |
567bb019e3e3
Revision: 201010
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parents:
0
diff
changeset
|
295 |
if (from_idx[1] != -1 && to_idx[2] != -1 && from_idx[2] != -1) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
296 |
matrix[from_idx[1]][to_idx[2]] = 0.5 * ratio; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
297 |
} else if (from_idx[1] != -1 && to_idx[2] != -1 && from_idx[2] == -1) { |
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|
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matrix[from_idx[1]][to_idx[2]] = ratio; |
0
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|
299 |
} |
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|
300 |
} |
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|
301 |
|
29
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|
302 |
#define RATIO_CENTER_FRONT (1.0 / sqrt (2.0)) |
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|
303 |
#define RATIO_CENTER_SIDE (1.0 / 2.0) |
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|
304 |
#define RATIO_CENTER_REAR (1.0 / sqrt (8.0)) |
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|
305 |
|
0
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|
306 |
#define RATIO_FRONT_CENTER (1.0 / sqrt (2.0)) |
29
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|
307 |
#define RATIO_FRONT_SIDE (1.0 / sqrt (2.0)) |
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|
308 |
#define RATIO_FRONT_REAR (1.0 / 2.0) |
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|
309 |
|
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|
310 |
#define RATIO_SIDE_CENTER (1.0 / 2.0) |
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|
311 |
#define RATIO_SIDE_FRONT (1.0 / sqrt (2.0)) |
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|
312 |
#define RATIO_SIDE_REAR (1.0 / sqrt (2.0)) |
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|
313 |
|
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|
314 |
#define RATIO_CENTER_BASS (1.0 / sqrt (2.0)) |
0
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|
315 |
#define RATIO_FRONT_BASS (1.0) |
29
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|
316 |
#define RATIO_SIDE_BASS (1.0 / sqrt (2.0)) |
0
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diff
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|
317 |
#define RATIO_REAR_BASS (1.0 / sqrt (2.0)) |
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diff
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|
318 |
|
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diff
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|
319 |
static void |
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diff
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|
320 |
gst_channel_mix_fill_others (AudioConvertCtx * this) |
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diff
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|
321 |
{ |
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|
322 |
gboolean in_has_front = FALSE, out_has_front = FALSE, |
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|
323 |
in_has_center = FALSE, out_has_center = FALSE, |
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|
324 |
in_has_rear = FALSE, out_has_rear = FALSE, |
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diff
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|
325 |
in_has_side = FALSE, out_has_side = FALSE, |
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diff
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|
326 |
in_has_bass = FALSE, out_has_bass = FALSE; |
29
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diff
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|
327 |
/* LEFT, RIGHT, MONO */ |
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diff
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|
328 |
gint in_f[3] = { -1, -1, -1 }; |
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diff
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|
329 |
gint out_f[3] = { -1, -1, -1 }; |
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diff
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|
330 |
/* LOC, ROC, CENTER */ |
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|
331 |
gint in_c[3] = { -1, -1, -1 }; |
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|
332 |
gint out_c[3] = { -1, -1, -1 }; |
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diff
changeset
|
333 |
/* RLEFT, RRIGHT, RCENTER */ |
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diff
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|
334 |
gint in_r[3] = { -1, -1, -1 }; |
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diff
changeset
|
335 |
gint out_r[3] = { -1, -1, -1 }; |
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diff
changeset
|
336 |
/* SLEFT, INVALID, SRIGHT */ |
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diff
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|
337 |
gint in_s[3] = { -1, -1, -1 }; |
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diff
changeset
|
338 |
gint out_s[3] = { -1, -1, -1 }; |
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diff
changeset
|
339 |
/* INVALID, LFE, INVALID */ |
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diff
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|
340 |
gint in_b[3] = { -1, -1, -1 }; |
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diff
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|
341 |
gint out_b[3] = { -1, -1, -1 }; |
0
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diff
changeset
|
342 |
|
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diff
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|
343 |
/* First see where (if at all) the various channels from/to |
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|
344 |
* which we want to convert are located in our matrix/array. */ |
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diff
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|
345 |
gst_channel_mix_detect_pos (&this->in, |
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diff
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|
346 |
in_f, &in_has_front, |
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|
347 |
in_c, &in_has_center, in_r, &in_has_rear, |
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diff
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|
348 |
in_s, &in_has_side, in_b, &in_has_bass); |
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parents:
diff
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|
349 |
gst_channel_mix_detect_pos (&this->out, |
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parents:
diff
changeset
|
350 |
out_f, &out_has_front, |
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diff
changeset
|
351 |
out_c, &out_has_center, out_r, &out_has_rear, |
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parents:
diff
changeset
|
352 |
out_s, &out_has_side, out_b, &out_has_bass); |
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parents:
diff
changeset
|
353 |
|
29
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parents:
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diff
changeset
|
354 |
/* The general idea here is: |
567bb019e3e3
Revision: 201010
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diff
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|
355 |
* - if the source has a channel that the destination doesn't have mix |
567bb019e3e3
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parents:
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diff
changeset
|
356 |
* it into the nearest available destination channel |
567bb019e3e3
Revision: 201010
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parents:
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diff
changeset
|
357 |
* - if the destination has a channel that the source doesn't have mix |
567bb019e3e3
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parents:
0
diff
changeset
|
358 |
* the nearest source channel into the destination channel |
567bb019e3e3
Revision: 201010
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parents:
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diff
changeset
|
359 |
* |
567bb019e3e3
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diff
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|
360 |
* The ratio for the mixing becomes lower as the distance between the |
567bb019e3e3
Revision: 201010
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parents:
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diff
changeset
|
361 |
* channels gets larger |
567bb019e3e3
Revision: 201010
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diff
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|
362 |
*/ |
567bb019e3e3
Revision: 201010
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diff
changeset
|
363 |
|
567bb019e3e3
Revision: 201010
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parents:
0
diff
changeset
|
364 |
/* center <-> front/side/rear */ |
0
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
365 |
if (!in_has_center && in_has_front && out_has_center) { |
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Revision: 200949
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parents:
diff
changeset
|
366 |
gst_channel_mix_fill_one_other (this->matrix, |
29
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parents:
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diff
changeset
|
367 |
&this->in, in_f, &this->out, out_c, RATIO_CENTER_FRONT); |
567bb019e3e3
Revision: 201010
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parents:
0
diff
changeset
|
368 |
} else if (!in_has_center && !in_has_front && in_has_side && out_has_center) { |
567bb019e3e3
Revision: 201010
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parents:
0
diff
changeset
|
369 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
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parents:
0
diff
changeset
|
370 |
&this->in, in_s, &this->out, out_c, RATIO_CENTER_SIDE); |
567bb019e3e3
Revision: 201010
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parents:
0
diff
changeset
|
371 |
} else if (!in_has_center && !in_has_front && !in_has_side && in_has_rear |
567bb019e3e3
Revision: 201010
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parents:
0
diff
changeset
|
372 |
&& out_has_center) { |
567bb019e3e3
Revision: 201010
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parents:
0
diff
changeset
|
373 |
gst_channel_mix_fill_one_other (this->matrix, &this->in, in_r, &this->out, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
374 |
out_c, RATIO_CENTER_REAR); |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
375 |
} else if (in_has_center && !out_has_center && out_has_front) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
376 |
gst_channel_mix_fill_one_other (this->matrix, |
29
567bb019e3e3
Revision: 201010
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parents:
0
diff
changeset
|
377 |
&this->in, in_c, &this->out, out_f, RATIO_CENTER_FRONT); |
567bb019e3e3
Revision: 201010
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parents:
0
diff
changeset
|
378 |
} else if (in_has_center && !out_has_center && !out_has_front && out_has_side) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
379 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
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parents:
0
diff
changeset
|
380 |
&this->in, in_c, &this->out, out_s, RATIO_CENTER_SIDE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
381 |
} else if (in_has_center && !out_has_center && !out_has_front && !out_has_side |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
382 |
&& out_has_rear) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
383 |
gst_channel_mix_fill_one_other (this->matrix, &this->in, in_c, &this->out, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
384 |
out_r, RATIO_CENTER_REAR); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
385 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
386 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
387 |
/* front <-> center/side/rear */ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
388 |
if (!in_has_front && in_has_center && !in_has_side && out_has_front) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
389 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
390 |
&this->in, in_c, &this->out, out_f, RATIO_CENTER_FRONT); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
391 |
} else if (!in_has_front && !in_has_center && in_has_side && out_has_front) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
392 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
393 |
&this->in, in_s, &this->out, out_f, RATIO_FRONT_SIDE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
394 |
} else if (!in_has_front && in_has_center && in_has_side && out_has_front) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
395 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
396 |
&this->in, in_c, &this->out, out_f, 0.5 * RATIO_CENTER_FRONT); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
397 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
398 |
&this->in, in_s, &this->out, out_f, 0.5 * RATIO_FRONT_SIDE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
399 |
} else if (!in_has_front && !in_has_center && !in_has_side && in_has_rear |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
400 |
&& out_has_front) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
401 |
gst_channel_mix_fill_one_other (this->matrix, &this->in, in_r, &this->out, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
402 |
out_f, RATIO_FRONT_REAR); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
403 |
} else if (in_has_front && out_has_center && !out_has_side && !out_has_front) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
404 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
405 |
&this->in, in_f, &this->out, out_c, RATIO_CENTER_FRONT); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
406 |
} else if (in_has_front && !out_has_center && out_has_side && !out_has_front) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
407 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
408 |
&this->in, in_f, &this->out, out_s, RATIO_FRONT_SIDE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
409 |
} else if (in_has_front && out_has_center && out_has_side && !out_has_front) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
410 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
411 |
&this->in, in_f, &this->out, out_c, 0.5 * RATIO_CENTER_FRONT); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
412 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
413 |
&this->in, in_f, &this->out, out_s, 0.5 * RATIO_FRONT_SIDE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
414 |
} else if (in_has_front && !out_has_center && !out_has_side && !out_has_front |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
415 |
&& out_has_rear) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
416 |
gst_channel_mix_fill_one_other (this->matrix, &this->in, in_f, &this->out, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
417 |
out_r, RATIO_FRONT_REAR); |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
418 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
419 |
|
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
420 |
/* side <-> center/front/rear */ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
421 |
if (!in_has_side && in_has_front && !in_has_rear && out_has_side) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
422 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
423 |
&this->in, in_f, &this->out, out_s, RATIO_FRONT_SIDE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
424 |
} else if (!in_has_side && !in_has_front && in_has_rear && out_has_side) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
425 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
426 |
&this->in, in_r, &this->out, out_s, RATIO_SIDE_REAR); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
427 |
} else if (!in_has_side && in_has_front && in_has_rear && out_has_side) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
428 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
429 |
&this->in, in_f, &this->out, out_s, 0.5 * RATIO_FRONT_SIDE); |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
430 |
gst_channel_mix_fill_one_other (this->matrix, |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
431 |
&this->in, in_r, &this->out, out_s, 0.5 * RATIO_SIDE_REAR); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
432 |
} else if (!in_has_side && !in_has_front && !in_has_rear && in_has_center |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
433 |
&& out_has_side) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
434 |
gst_channel_mix_fill_one_other (this->matrix, &this->in, in_c, &this->out, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
435 |
out_s, RATIO_CENTER_SIDE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
436 |
} else if (in_has_side && out_has_front && !out_has_rear && !out_has_side) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
437 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
438 |
&this->in, in_s, &this->out, out_f, RATIO_FRONT_SIDE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
439 |
} else if (in_has_side && !out_has_front && out_has_rear && !out_has_side) { |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
440 |
gst_channel_mix_fill_one_other (this->matrix, |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
441 |
&this->in, in_s, &this->out, out_r, RATIO_SIDE_REAR); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
442 |
} else if (in_has_side && out_has_front && out_has_rear && !out_has_side) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
443 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
444 |
&this->in, in_s, &this->out, out_f, 0.5 * RATIO_FRONT_SIDE); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
445 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
446 |
&this->in, in_s, &this->out, out_r, 0.5 * RATIO_SIDE_REAR); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
447 |
} else if (in_has_side && !out_has_front && !out_has_rear && out_has_center |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
448 |
&& !out_has_side) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
449 |
gst_channel_mix_fill_one_other (this->matrix, &this->in, in_s, &this->out, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
450 |
out_c, RATIO_CENTER_SIDE); |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
451 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
|
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
453 |
/* rear <-> center/front/side */ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
454 |
if (!in_has_rear && in_has_side && out_has_rear) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
455 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
456 |
&this->in, in_s, &this->out, out_r, RATIO_SIDE_REAR); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
457 |
} else if (!in_has_rear && !in_has_side && in_has_front && out_has_rear) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
458 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
459 |
&this->in, in_f, &this->out, out_r, RATIO_FRONT_REAR); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
460 |
} else if (!in_has_rear && !in_has_side && !in_has_front && in_has_center |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
461 |
&& out_has_rear) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
462 |
gst_channel_mix_fill_one_other (this->matrix, &this->in, in_c, &this->out, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
463 |
out_r, RATIO_CENTER_REAR); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
464 |
} else if (in_has_rear && !out_has_rear && out_has_side) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
465 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
466 |
&this->in, in_r, &this->out, out_s, RATIO_SIDE_REAR); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
467 |
} else if (in_has_rear && !out_has_rear && !out_has_side && out_has_front) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
468 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
469 |
&this->in, in_r, &this->out, out_f, RATIO_FRONT_REAR); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
470 |
} else if (in_has_rear && !out_has_rear && !out_has_side && !out_has_front |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
471 |
&& out_has_center) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
472 |
gst_channel_mix_fill_one_other (this->matrix, &this->in, in_r, &this->out, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
473 |
out_c, RATIO_CENTER_REAR); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
474 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
475 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
476 |
/* bass <-> any */ |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
if (in_has_bass && !out_has_bass) { |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
478 |
if (out_has_center) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
479 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
480 |
&this->in, in_b, &this->out, out_c, RATIO_CENTER_BASS); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
481 |
} |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
if (out_has_front) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
gst_channel_mix_fill_one_other (this->matrix, |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
484 |
&this->in, in_b, &this->out, out_f, RATIO_FRONT_BASS); |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
} |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
486 |
if (out_has_side) { |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
487 |
gst_channel_mix_fill_one_other (this->matrix, |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
488 |
&this->in, in_b, &this->out, out_s, RATIO_SIDE_BASS); |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
if (out_has_rear) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
491 |
gst_channel_mix_fill_one_other (this->matrix, |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
492 |
&this->in, in_b, &this->out, out_r, RATIO_REAR_BASS); |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
493 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
494 |
} else if (!in_has_bass && out_has_bass) { |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
495 |
if (in_has_center) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
496 |
gst_channel_mix_fill_one_other (this->matrix, |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
497 |
&this->in, in_c, &this->out, out_b, RATIO_CENTER_BASS); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
498 |
} |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
if (in_has_front) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
gst_channel_mix_fill_one_other (this->matrix, |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
501 |
&this->in, in_f, &this->out, out_b, RATIO_FRONT_BASS); |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
} |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
503 |
if (in_has_side) { |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
504 |
gst_channel_mix_fill_one_other (this->matrix, |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
505 |
&this->in, in_s, &this->out, out_b, RATIO_REAR_BASS); |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
if (in_has_rear) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
gst_channel_mix_fill_one_other (this->matrix, |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
509 |
&this->in, in_r, &this->out, out_b, RATIO_REAR_BASS); |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
510 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
511 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
512 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
513 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
514 |
/* |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
515 |
* Normalize output values. |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
516 |
*/ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
517 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
518 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
519 |
gst_channel_mix_fill_normalize (AudioConvertCtx * this) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
520 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
521 |
gfloat sum, top = 0; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
522 |
gint i, j; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
523 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
524 |
for (j = 0; j < this->out.channels; j++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
525 |
/* calculate sum */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
526 |
sum = 0.0; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
527 |
for (i = 0; i < this->in.channels; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
528 |
sum += fabs (this->matrix[i][j]); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
529 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
530 |
if (sum > top) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
531 |
top = sum; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
532 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
533 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
534 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
535 |
/* normalize to this */ |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
536 |
if (top == 0.0) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
537 |
return; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
538 |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
539 |
for (j = 0; j < this->out.channels; j++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
540 |
for (i = 0; i < this->in.channels; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
541 |
this->matrix[i][j] /= top; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
542 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
543 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
544 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
545 |
|
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
546 |
static gboolean |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
547 |
gst_channel_mix_fill_special (AudioConvertCtx * this) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
548 |
{ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
549 |
AudioConvertFmt *in = &this->in, *out = &this->out; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
550 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
551 |
/* Special, standard conversions here */ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
552 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
553 |
/* Mono<->Stereo, just a fast-path */ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
554 |
if (in->channels == 2 && out->channels == 1 && |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
555 |
((in->pos[0] == GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT && |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
556 |
in->pos[1] == GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT) || |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
557 |
(in->pos[0] == GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT && |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
558 |
in->pos[1] == GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT)) && |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
559 |
out->pos[0] == GST_AUDIO_CHANNEL_POSITION_FRONT_MONO) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
560 |
this->matrix[0][0] = 0.5; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
561 |
this->matrix[1][0] = 0.5; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
562 |
return TRUE; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
563 |
} else if (in->channels == 1 && out->channels == 2 && |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
564 |
((out->pos[0] == GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT && |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
565 |
out->pos[1] == GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT) || |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
566 |
(out->pos[0] == GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT && |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
567 |
out->pos[1] == GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT)) && |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
568 |
in->pos[0] == GST_AUDIO_CHANNEL_POSITION_FRONT_MONO) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
569 |
this->matrix[0][0] = 1.0; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
570 |
this->matrix[0][1] = 1.0; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
571 |
return TRUE; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
572 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
573 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
574 |
/* TODO: 5.1 <-> Stereo and other standard conversions */ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
575 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
576 |
return FALSE; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
577 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
578 |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
579 |
/* |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
580 |
* Automagically generate conversion matrix. |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
581 |
*/ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
582 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
583 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
584 |
gst_channel_mix_fill_matrix (AudioConvertCtx * this) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
585 |
{ |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
586 |
if (gst_channel_mix_fill_special (this)) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
587 |
return; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
588 |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
589 |
gst_channel_mix_fill_identical (this); |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
590 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
591 |
if (!this->in.unpositioned_layout) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
592 |
gst_channel_mix_fill_compatible (this); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
593 |
gst_channel_mix_fill_others (this); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
594 |
gst_channel_mix_fill_normalize (this); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
595 |
} |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
596 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
597 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
598 |
/* only call after this->out and this->in are filled in */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
599 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
600 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
601 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
602 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
603 |
void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
604 |
gst_channel_mix_setup_matrix (AudioConvertCtx * this) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
605 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
606 |
gint i, j; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
607 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
608 |
/* don't lose memory */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
609 |
gst_channel_mix_unset_matrix (this); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
610 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
611 |
/* temp storage */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
612 |
if (this->in.is_int || this->out.is_int) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
613 |
this->tmp = (gpointer) g_new (gint32, this->out.channels); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
614 |
} else { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
615 |
this->tmp = (gpointer) g_new (gdouble, this->out.channels); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
616 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
617 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
618 |
/* allocate */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
619 |
this->matrix = g_new0 (gfloat *, this->in.channels); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
620 |
for (i = 0; i < this->in.channels; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
621 |
this->matrix[i] = g_new (gfloat, this->out.channels); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
622 |
for (j = 0; j < this->out.channels; j++) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
623 |
this->matrix[i][j] = 0.; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
624 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
625 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
626 |
/* setup the matrix' internal values */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
627 |
gst_channel_mix_fill_matrix (this); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
628 |
|
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
629 |
#ifndef GST_DISABLE_GST_DEBUG |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
630 |
/* debug */ |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
631 |
{ |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
632 |
GString *s; |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
633 |
s = g_string_new ("Matrix for"); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
634 |
g_string_append_printf (s, " %d -> %d: ", |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
635 |
this->in.channels, this->out.channels); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
636 |
g_string_append (s, "{"); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
637 |
for (i = 0; i < this->in.channels; i++) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
638 |
if (i != 0) |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
639 |
g_string_append (s, ","); |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
640 |
g_string_append (s, " {"); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
641 |
for (j = 0; j < this->out.channels; j++) { |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
642 |
if (j != 0) |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
643 |
g_string_append (s, ","); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
644 |
g_string_append_printf (s, " %f", this->matrix[i][j]); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
645 |
} |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
646 |
g_string_append (s, " }"); |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
647 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
648 |
g_string_append (s, " }"); |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
649 |
GST_DEBUG (s->str); |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
650 |
g_string_free (s, TRUE); |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
651 |
} |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
652 |
#endif |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
653 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
654 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
655 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
656 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
657 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
658 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
659 |
gboolean |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
660 |
gst_channel_mix_passthrough (AudioConvertCtx * this) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
661 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
662 |
gint i; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
663 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
664 |
/* only NxN matrices can be identities */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
665 |
if (this->in.channels != this->out.channels) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
666 |
return FALSE; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
667 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
668 |
/* this assumes a normalized matrix */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
669 |
for (i = 0; i < this->in.channels; i++) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
670 |
if (this->matrix[i][i] != 1.) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
671 |
return FALSE; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
672 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
673 |
return TRUE; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
674 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
675 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
676 |
/* IMPORTANT: out_data == in_data is possible, make sure to not overwrite data |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
677 |
* you might need later on! */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
678 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
679 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
680 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
681 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
682 |
void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
683 |
gst_channel_mix_mix_int (AudioConvertCtx * this, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
684 |
gint32 * in_data, gint32 * out_data, gint samples) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
685 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
686 |
gint in, out, n; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
687 |
gint64 res; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
688 |
gboolean backwards; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
689 |
gint inchannels, outchannels; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
690 |
gint32 *tmp = (gint32 *) this->tmp; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
691 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
692 |
g_return_if_fail (this->matrix != NULL); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
693 |
g_return_if_fail (this->tmp != NULL); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
694 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
695 |
inchannels = this->in.channels; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
696 |
outchannels = this->out.channels; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
697 |
backwards = outchannels > inchannels; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
698 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
699 |
/* FIXME: use liboil here? */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
700 |
for (n = (backwards ? samples - 1 : 0); n < samples && n >= 0; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
701 |
backwards ? n-- : n++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
702 |
for (out = 0; out < outchannels; out++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
703 |
/* convert */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
704 |
res = 0; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
705 |
for (in = 0; in < inchannels; in++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
706 |
res += in_data[n * inchannels + in] * this->matrix[in][out]; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
707 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
708 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
709 |
/* clip (shouldn't we use doubles instead as intermediate format?) */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
710 |
if (res < G_MININT32) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
711 |
res = G_MININT32; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
712 |
else if (res > G_MAXINT32) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
713 |
res = G_MAXINT32; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
714 |
tmp[out] = res; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
715 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
716 |
memcpy (&out_data[n * outchannels], this->tmp, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
717 |
sizeof (gint32) * outchannels); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
718 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
719 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
720 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
721 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
722 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
723 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
724 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
725 |
void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
726 |
gst_channel_mix_mix_float (AudioConvertCtx * this, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
727 |
gdouble * in_data, gdouble * out_data, gint samples) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
728 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
729 |
gint in, out, n; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
730 |
gdouble res; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
731 |
gboolean backwards; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
732 |
gint inchannels, outchannels; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
733 |
gdouble *tmp = (gdouble *) this->tmp; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
734 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
735 |
g_return_if_fail (this->matrix != NULL); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
736 |
g_return_if_fail (this->tmp != NULL); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
737 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
738 |
inchannels = this->in.channels; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
739 |
outchannels = this->out.channels; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
740 |
backwards = outchannels > inchannels; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
741 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
742 |
/* FIXME: use liboil here? */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
743 |
for (n = (backwards ? samples - 1 : 0); n < samples && n >= 0; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
744 |
backwards ? n-- : n++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
745 |
for (out = 0; out < outchannels; out++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
746 |
/* convert */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
747 |
res = 0.0; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
748 |
for (in = 0; in < inchannels; in++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
749 |
res += in_data[n * inchannels + in] * this->matrix[in][out]; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
750 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
751 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
752 |
/* clip (shouldn't we use doubles instead as intermediate format?) */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
753 |
if (res < -1.0) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
754 |
res = -1.0; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
755 |
else if (res > 1.0) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
756 |
res = 1.0; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
757 |
tmp[out] = res; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
758 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
759 |
memcpy (&out_data[n * outchannels], this->tmp, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
760 |
sizeof (gdouble) * outchannels); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
761 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
762 |
} |