1 /* Quicktime muxer plugin for GStreamer |
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2 * Copyright (C) 2008 Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br> |
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3 * |
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4 * This library is free software; you can redistribute it and/or |
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5 * modify it under the terms of the GNU Library General Public |
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6 * License as published by the Free Software Foundation; either |
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7 * version 2 of the License, or (at your option) any later version. |
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8 * |
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9 * This library is distributed in the hope that it will be useful, |
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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12 * Library General Public License for more details. |
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13 * |
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14 * You should have received a copy of the GNU Library General Public |
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15 * License along with this library; if not, write to the |
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16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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17 * Boston, MA 02111-1307, USA. |
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18 */ |
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19 /* |
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20 * Unless otherwise indicated, Source Code is licensed under MIT license. |
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21 * See further explanation attached in License Statement (distributed in the file |
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22 * LICENSE). |
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23 * |
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24 * Permission is hereby granted, free of charge, to any person obtaining a copy of |
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25 * this software and associated documentation files (the "Software"), to deal in |
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26 * the Software without restriction, including without limitation the rights to |
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27 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies |
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28 * of the Software, and to permit persons to whom the Software is furnished to do |
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29 * so, subject to the following conditions: |
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30 * |
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31 * The above copyright notice and this permission notice shall be included in all |
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32 * copies or substantial portions of the Software. |
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33 * |
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34 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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35 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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36 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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37 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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38 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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39 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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40 * SOFTWARE. |
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41 */ |
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42 |
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43 #ifndef __GST_QT_MUX_H__ |
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44 #define __GST_QT_MUX_H__ |
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45 |
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46 #include <gst/gst.h> |
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47 #include <gst/base/gstcollectpads.h> |
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48 |
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49 #include "fourcc.h" |
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50 #include "atoms.h" |
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51 #include "gstqtmuxmap.h" |
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52 |
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53 G_BEGIN_DECLS |
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54 |
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55 #define GST_TYPE_QT_MUX (gst_qt_mux_get_type()) |
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56 #define GST_QT_MUX(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_QT_MUX, GstQTMux)) |
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57 #define GST_QT_MUX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_QT_MUX, GstQTMux)) |
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58 #define GST_IS_QT_MUX(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_QT_MUX)) |
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59 #define GST_IS_QT_MUX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_QT_MUX)) |
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60 #define GST_QT_MUX_CAST(obj) ((GstQTMux*)(obj)) |
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61 |
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62 |
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63 typedef struct _GstQTMux GstQTMux; |
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64 typedef struct _GstQTMuxClass GstQTMuxClass; |
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65 |
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66 typedef struct _GstQTPad |
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67 { |
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68 GstCollectData collect; /* we extend the CollectData */ |
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69 |
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70 /* fourcc id of stream */ |
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71 guint32 fourcc; |
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72 /* whether using format that have out of order buffers */ |
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73 gboolean is_out_of_order; |
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74 /* whether upstream provides valid PTS data */ |
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75 gboolean have_dts; |
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76 /* if not 0, track with constant sized samples, e.g. raw audio */ |
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77 guint sample_size; |
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78 /* make sync table entry */ |
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79 gboolean sync; |
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80 |
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81 GstBuffer *last_buf; |
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82 /* dts of last_buf */ |
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83 GstClockTime last_dts; |
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84 |
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85 /* all the atom and chunk book-keeping is delegated here |
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86 * unowned/uncounted reference, parent MOOV owns */ |
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87 AtomTRAK *trak; |
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88 } GstQTPad; |
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89 |
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90 typedef enum _GstQTMuxState |
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91 { |
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92 GST_QT_MUX_STATE_NONE, |
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93 GST_QT_MUX_STATE_STARTED, |
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94 GST_QT_MUX_STATE_DATA, |
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95 GST_QT_MUX_STATE_EOS |
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96 } GstQTMuxState; |
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97 |
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98 struct _GstQTMux |
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99 { |
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100 GstElement element; |
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101 |
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102 GstPad *srcpad; |
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103 GstCollectPads *collect; |
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104 |
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105 /* state */ |
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106 GstQTMuxState state; |
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107 |
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108 /* size of header (prefix, atoms (ftyp, mdat)) */ |
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109 guint64 header_size; |
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110 /* accumulated size of raw media data (a priori not including mdat header) */ |
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111 guint64 mdat_size; |
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112 /* position of mdat atom (for later updating) */ |
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113 guint64 mdat_pos; |
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114 |
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115 /* keep track of the largest chunk to fine-tune brands */ |
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116 GstClockTime longest_chunk; |
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117 |
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118 /* atom helper objects */ |
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119 AtomsContext *context; |
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120 AtomFTYP *ftyp; |
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121 AtomMOOV *moov; |
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122 |
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123 /* fast start */ |
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124 FILE *fast_start_file; |
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125 |
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126 /* properties */ |
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127 guint32 timescale; |
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128 AtomsTreeFlavor flavor; |
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129 gboolean fast_start; |
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130 gboolean large_file; |
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131 gboolean guess_pts; |
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132 gchar *fast_start_file_path; |
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133 |
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134 /* for collect pads event handling function */ |
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135 GstPadEventFunction collect_event; |
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136 |
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137 /* for request pad naming */ |
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138 guint video_pads, audio_pads; |
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139 }; |
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140 |
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141 struct _GstQTMuxClass |
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142 { |
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143 GstElementClass parent_class; |
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144 |
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145 GstQTMuxFormat format; |
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146 }; |
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147 |
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148 /* type register helper struct */ |
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149 typedef struct _GstQTMuxClassParams |
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150 { |
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151 GstQTMuxFormatProp *prop; |
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152 GstCaps *src_caps; |
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153 GstCaps *video_sink_caps; |
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154 GstCaps *audio_sink_caps; |
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155 } GstQTMuxClassParams; |
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156 |
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157 #define GST_QT_MUX_PARAMS_QDATA g_quark_from_static_string("qt-mux-params") |
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158 |
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159 GType gst_qt_mux_get_type (void); |
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160 |
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161 G_END_DECLS |
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162 |
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163 #endif /* __GST_QT_MUX_H__ */ |
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