author | hgs |
Wed, 24 Mar 2010 18:04:17 -0500 | |
changeset 16 | 8e837d1bf446 |
parent 0 | 0e761a78d257 |
child 30 | 7e817e7e631c |
permissions | -rw-r--r-- |
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/* -*- c-basic-offset: 2 -*- |
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* vi:si:et:sw=2:sts=8:ts=8:expandtab |
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* |
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* GStreamer |
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* Copyright (C) 1999-2001 Erik Walthinsen <omega@cse.ogi.edu> |
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* Copyright (C) 2005 Andy Wingo <wingo@pobox.com> |
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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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/** |
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* SECTION:element-volume |
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* |
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* The volume element changes the volume of the audio data. |
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* |
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* <refsect2> |
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* <title>Example launch line</title> |
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* |[ |
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* gst-launch -v -m audiotestsrc ! volume volume=0.5 ! level ! fakesink silent=TRUE |
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* ]| This pipeline shows that the level of audiotestsrc has been halved |
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* (peak values are around -6 dB and RMS around -9 dB) compared to |
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* the same pipeline without the volume element. |
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* </refsect2> |
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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 <gst/gst_global.h> |
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#include <string.h> |
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#include <gst/gst.h> |
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#include <gst/base/gstbasetransform.h> |
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#include <gst/audio/audio.h> |
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#include <gst/interfaces/mixer.h> |
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#include <gst/controller/gstcontroller.h> |
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#include <gst/audio/audio.h> |
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#include <gst/audio/gstaudiofilter.h> |
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#include <liboil/liboil.h> |
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#ifdef __SYMBIAN32__ |
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#include <liboil/globals.h> |
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#endif |
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#include "gstvolume.h" |
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|
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/* some defines for audio processing */ |
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/* the volume factor is a range from 0.0 to (arbitrary) VOLUME_MAX_DOUBLE = 10.0 |
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* we map 1.0 to VOLUME_UNITY_INT* |
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*/ |
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#define VOLUME_UNITY_INT8 32 /* internal int for unity 2^(8-3) */ |
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#define VOLUME_UNITY_INT8_BIT_SHIFT 5 /* number of bits to shift for unity */ |
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#define VOLUME_UNITY_INT16 8192 /* internal int for unity 2^(16-3) */ |
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#define VOLUME_UNITY_INT16_BIT_SHIFT 13 /* number of bits to shift for unity */ |
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#define VOLUME_UNITY_INT24 2097152 /* internal int for unity 2^(24-3) */ |
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#define VOLUME_UNITY_INT24_BIT_SHIFT 21 /* number of bits to shift for unity */ |
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#define VOLUME_UNITY_INT32 134217728 /* internal int for unity 2^(32-5) */ |
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#define VOLUME_UNITY_INT32_BIT_SHIFT 27 |
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#define VOLUME_MAX_DOUBLE 10.0 |
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#define VOLUME_MAX_INT8 G_MAXINT8 |
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#define VOLUME_MIN_INT8 G_MININT8 |
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#define VOLUME_MAX_INT16 G_MAXINT16 |
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#define VOLUME_MIN_INT16 G_MININT16 |
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#define VOLUME_MAX_INT24 8388607 |
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#define VOLUME_MIN_INT24 -8388608 |
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#define VOLUME_MAX_INT32 G_MAXINT32 |
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#define VOLUME_MIN_INT32 G_MININT32 |
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|
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/* number of steps we use for the mixer interface to go from 0.0 to 1.0 */ |
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# define VOLUME_STEPS 100 |
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#define GST_CAT_DEFAULT gst_volume_debug |
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GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT); |
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/* Filter signals and args */ |
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enum |
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{ |
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/* FILL ME */ |
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LAST_SIGNAL |
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}; |
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#define DEFAULT_PROP_MUTE FALSE |
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#define DEFAULT_PROP_VOLUME 1.0 |
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||
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enum |
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{ |
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PROP_0, |
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PROP_MUTE, |
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PROP_VOLUME |
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}; |
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|
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#define ALLOWED_CAPS \ |
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"audio/x-raw-float, " \ |
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"rate = (int) [ 1, MAX ], " \ |
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"channels = (int) [ 1, MAX ], " \ |
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"endianness = (int) BYTE_ORDER, " \ |
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"width = (int) {32, 64}; " \ |
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"audio/x-raw-int, " \ |
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"channels = (int) [ 1, MAX ], " \ |
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"rate = (int) [ 1, MAX ], " \ |
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"endianness = (int) BYTE_ORDER, " \ |
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"width = (int) 8, " \ |
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"depth = (int) 8, " \ |
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"signed = (bool) TRUE; " \ |
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"audio/x-raw-int, " \ |
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"channels = (int) [ 1, MAX ], " \ |
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"rate = (int) [ 1, MAX ], " \ |
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"endianness = (int) BYTE_ORDER, " \ |
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"width = (int) 16, " \ |
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"depth = (int) 16, " \ |
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"signed = (bool) TRUE; " \ |
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"audio/x-raw-int, " \ |
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"channels = (int) [ 1, MAX ], " \ |
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"rate = (int) [ 1, MAX ], " \ |
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"endianness = (int) BYTE_ORDER, " \ |
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"width = (int) 24, " \ |
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"depth = (int) 24, " \ |
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"signed = (bool) TRUE; " \ |
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"audio/x-raw-int, " \ |
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"channels = (int) [ 1, MAX ], " \ |
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"rate = (int) [ 1, MAX ], " \ |
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"endianness = (int) BYTE_ORDER, " \ |
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"width = (int) 32, " \ |
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"depth = (int) 32, " \ |
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"signed = (bool) TRUE" |
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|
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static void gst_volume_interface_init (GstImplementsInterfaceClass * klass); |
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static void gst_volume_mixer_init (GstMixerClass * iface); |
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|
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#define _init_interfaces(type) \ |
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{ \ |
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static const GInterfaceInfo voliface_info = { \ |
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(GInterfaceInitFunc) gst_volume_interface_init, \ |
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NULL, \ |
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NULL \ |
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}; \ |
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static const GInterfaceInfo volmixer_info = { \ |
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(GInterfaceInitFunc) gst_volume_mixer_init, \ |
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NULL, \ |
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NULL \ |
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}; \ |
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\ |
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g_type_add_interface_static (type, GST_TYPE_IMPLEMENTS_INTERFACE, \ |
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&voliface_info); \ |
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g_type_add_interface_static (type, GST_TYPE_MIXER, &volmixer_info); \ |
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} |
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157 |
|
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GST_BOILERPLATE_FULL (GstVolume, gst_volume, GstAudioFilter, |
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GST_TYPE_AUDIO_FILTER, _init_interfaces); |
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160 |
|
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static void volume_set_property (GObject * object, guint prop_id, |
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const GValue * value, GParamSpec * pspec); |
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static void volume_get_property (GObject * object, guint prop_id, |
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GValue * value, GParamSpec * pspec); |
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|
16 | 166 |
static void volume_before_transform (GstBaseTransform * base, |
167 |
GstBuffer * buffer); |
|
0
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static GstFlowReturn volume_transform_ip (GstBaseTransform * base, |
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GstBuffer * outbuf); |
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static gboolean volume_setup (GstAudioFilter * filter, |
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GstRingBufferSpec * format); |
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|
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static void volume_process_double (GstVolume * this, gpointer bytes, |
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guint n_bytes); |
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static void volume_process_float (GstVolume * this, gpointer bytes, |
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guint n_bytes); |
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static void volume_process_int32 (GstVolume * this, gpointer bytes, |
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guint n_bytes); |
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static void volume_process_int32_clamp (GstVolume * this, gpointer bytes, |
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guint n_bytes); |
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static void volume_process_int24 (GstVolume * this, gpointer bytes, |
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guint n_bytes); |
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static void volume_process_int24_clamp (GstVolume * this, gpointer bytes, |
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guint n_bytes); |
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static void volume_process_int16 (GstVolume * this, gpointer bytes, |
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guint n_bytes); |
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static void volume_process_int16_clamp (GstVolume * this, gpointer bytes, |
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guint n_bytes); |
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static void volume_process_int8 (GstVolume * this, gpointer bytes, |
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guint n_bytes); |
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static void volume_process_int8_clamp (GstVolume * this, gpointer bytes, |
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guint n_bytes); |
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|
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|
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/* helper functions */ |
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|
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static gboolean |
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volume_choose_func (GstVolume * this) |
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{ |
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this->process = NULL; |
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201 |
|
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if (GST_AUDIO_FILTER (this)->format.caps == NULL) |
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return FALSE; |
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204 |
|
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switch (GST_AUDIO_FILTER (this)->format.type) { |
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case GST_BUFTYPE_LINEAR: |
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switch (GST_AUDIO_FILTER (this)->format.width) { |
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case 32: |
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/* only clamp if the gain is greater than 1.0 |
16 | 210 |
* FIXME: current_vol_i can change while processing the buffer! |
0
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*/ |
16 | 212 |
if (this->current_vol_i32 > VOLUME_UNITY_INT32) |
0
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this->process = volume_process_int32_clamp; |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
214 |
else |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
215 |
this->process = volume_process_int32; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
216 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
217 |
case 24: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
218 |
/* only clamp if the gain is greater than 1.0 |
16 | 219 |
* FIXME: current_vol_i can change while processing the buffer! |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
220 |
*/ |
16 | 221 |
if (this->current_vol_i24 > VOLUME_UNITY_INT24) |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
222 |
this->process = volume_process_int24_clamp; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
223 |
else |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
224 |
this->process = volume_process_int24; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
225 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
226 |
case 16: |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
227 |
/* only clamp if the gain is greater than 1.0 |
16 | 228 |
* FIXME: current_vol_i can change while processing the buffer! |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
229 |
*/ |
16 | 230 |
if (this->current_vol_i16 > VOLUME_UNITY_INT16) |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
231 |
this->process = volume_process_int16_clamp; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
232 |
else |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
233 |
this->process = volume_process_int16; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
234 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
235 |
case 8: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
236 |
/* only clamp if the gain is greater than 1.0 |
16 | 237 |
* FIXME: current_vol_i can change while processing the buffer! |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
238 |
*/ |
16 | 239 |
if (this->current_vol_i16 > VOLUME_UNITY_INT8) |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
240 |
this->process = volume_process_int8_clamp; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
241 |
else |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
242 |
this->process = volume_process_int8; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
243 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
244 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
245 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
246 |
case GST_BUFTYPE_FLOAT: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
247 |
switch (GST_AUDIO_FILTER (this)->format.width) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
248 |
case 32: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
249 |
this->process = volume_process_float; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
250 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
251 |
case 64: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
252 |
this->process = volume_process_double; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
253 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
254 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
255 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
256 |
default: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
257 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
258 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
259 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
260 |
return (this->process != NULL); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
261 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
262 |
|
16 | 263 |
static gboolean |
264 |
volume_update_volume (GstVolume * this, gfloat volume, gboolean mute) |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
265 |
{ |
16 | 266 |
gboolean passthrough; |
267 |
gboolean res; |
|
268 |
||
269 |
GST_DEBUG_OBJECT (this, "configure mute %d, volume %f", mute, volume); |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
270 |
|
16 | 271 |
if (mute) { |
272 |
this->current_mute = TRUE; |
|
273 |
this->current_volume = 0.0; |
|
274 |
||
275 |
this->current_vol_i8 = 0; |
|
276 |
this->current_vol_i16 = 0; |
|
277 |
this->current_vol_i24 = 0; |
|
278 |
this->current_vol_i32 = 0; |
|
279 |
||
280 |
passthrough = FALSE; |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
281 |
} else { |
16 | 282 |
this->current_mute = FALSE; |
283 |
this->current_volume = volume; |
|
284 |
||
285 |
this->current_vol_i8 = volume * VOLUME_UNITY_INT8; |
|
286 |
this->current_vol_i16 = volume * VOLUME_UNITY_INT16; |
|
287 |
this->current_vol_i24 = volume * VOLUME_UNITY_INT24; |
|
288 |
this->current_vol_i32 = volume * VOLUME_UNITY_INT32; |
|
289 |
||
290 |
passthrough = (this->current_vol_i16 == VOLUME_UNITY_INT16); |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
291 |
} |
16 | 292 |
|
293 |
GST_DEBUG_OBJECT (this, "set passthrough %d", passthrough); |
|
294 |
||
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
295 |
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (this), passthrough); |
16 | 296 |
|
297 |
res = this->negotiated = volume_choose_func (this); |
|
298 |
||
299 |
return res; |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
300 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
301 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
302 |
/* Mixer interface */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
303 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
304 |
static gboolean |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
305 |
gst_volume_interface_supported (GstImplementsInterface * iface, GType type) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
306 |
{ |
16 | 307 |
g_return_val_if_fail (type == GST_TYPE_MIXER, FALSE); |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
308 |
return TRUE; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
309 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
310 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
311 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
312 |
gst_volume_interface_init (GstImplementsInterfaceClass * klass) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
313 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
314 |
klass->supported = gst_volume_interface_supported; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
315 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
316 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
317 |
static const GList * |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
318 |
gst_volume_list_tracks (GstMixer * mixer) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
319 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
320 |
GstVolume *this = GST_VOLUME (mixer); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
321 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
322 |
g_return_val_if_fail (this != NULL, NULL); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
323 |
g_return_val_if_fail (GST_IS_VOLUME (this), NULL); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
324 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
325 |
return this->tracklist; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
326 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
327 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
328 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
329 |
gst_volume_set_volume (GstMixer * mixer, GstMixerTrack * track, gint * volumes) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
330 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
331 |
GstVolume *this = GST_VOLUME (mixer); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
332 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
333 |
g_return_if_fail (this != NULL); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
334 |
g_return_if_fail (GST_IS_VOLUME (this)); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
335 |
|
16 | 336 |
GST_OBJECT_LOCK (this); |
337 |
this->volume = (gfloat) volumes[0] / VOLUME_STEPS; |
|
338 |
GST_OBJECT_UNLOCK (this); |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
339 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
340 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
341 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
342 |
gst_volume_get_volume (GstMixer * mixer, GstMixerTrack * track, gint * volumes) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
343 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
344 |
GstVolume *this = GST_VOLUME (mixer); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
345 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
346 |
g_return_if_fail (this != NULL); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
347 |
g_return_if_fail (GST_IS_VOLUME (this)); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
348 |
|
16 | 349 |
GST_OBJECT_LOCK (this); |
350 |
volumes[0] = (gint) this->volume * VOLUME_STEPS; |
|
351 |
GST_OBJECT_UNLOCK (this); |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
352 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
353 |
|
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diff
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|
354 |
static void |
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parents:
diff
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|
355 |
gst_volume_set_mute (GstMixer * mixer, GstMixerTrack * track, gboolean mute) |
0e761a78d257
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diff
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|
356 |
{ |
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diff
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|
357 |
GstVolume *this = GST_VOLUME (mixer); |
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diff
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|
358 |
|
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parents:
diff
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|
359 |
g_return_if_fail (this != NULL); |
0e761a78d257
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parents:
diff
changeset
|
360 |
g_return_if_fail (GST_IS_VOLUME (this)); |
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parents:
diff
changeset
|
361 |
|
16 | 362 |
GST_OBJECT_LOCK (this); |
0
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parents:
diff
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|
363 |
this->mute = mute; |
16 | 364 |
GST_OBJECT_UNLOCK (this); |
0
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diff
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|
365 |
} |
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diff
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|
366 |
|
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diff
changeset
|
367 |
static void |
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parents:
diff
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|
368 |
gst_volume_mixer_init (GstMixerClass * klass) |
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parents:
diff
changeset
|
369 |
{ |
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parents:
diff
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|
370 |
GST_MIXER_TYPE (klass) = GST_MIXER_SOFTWARE; |
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parents:
diff
changeset
|
371 |
|
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parents:
diff
changeset
|
372 |
/* default virtual functions */ |
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parents:
diff
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|
373 |
klass->list_tracks = gst_volume_list_tracks; |
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parents:
diff
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|
374 |
klass->set_volume = gst_volume_set_volume; |
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parents:
diff
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|
375 |
klass->get_volume = gst_volume_get_volume; |
0e761a78d257
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parents:
diff
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|
376 |
klass->set_mute = gst_volume_set_mute; |
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parents:
diff
changeset
|
377 |
} |
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parents:
diff
changeset
|
378 |
|
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Revision: 200949
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parents:
diff
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|
379 |
/* Element class */ |
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changeset
|
380 |
|
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Revision: 200949
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parents:
diff
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|
381 |
static void |
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parents:
diff
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|
382 |
gst_volume_dispose (GObject * object) |
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diff
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|
383 |
{ |
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Revision: 200949
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parents:
diff
changeset
|
384 |
GstVolume *volume = GST_VOLUME (object); |
0e761a78d257
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parents:
diff
changeset
|
385 |
|
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Revision: 200949
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parents:
diff
changeset
|
386 |
if (volume->tracklist) { |
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Revision: 200949
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parents:
diff
changeset
|
387 |
if (volume->tracklist->data) |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
388 |
g_object_unref (volume->tracklist->data); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
389 |
g_list_free (volume->tracklist); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
390 |
volume->tracklist = NULL; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
391 |
} |
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Revision: 200949
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parents:
diff
changeset
|
392 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
393 |
G_OBJECT_CLASS (parent_class)->dispose (object); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
394 |
} |
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Revision: 200949
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parents:
diff
changeset
|
395 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
396 |
static void |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
397 |
gst_volume_base_init (gpointer g_class) |
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Revision: 200949
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parents:
diff
changeset
|
398 |
{ |
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Revision: 200949
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parents:
diff
changeset
|
399 |
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
400 |
GstAudioFilterClass *filter_class = GST_AUDIO_FILTER_CLASS (g_class); |
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Revision: 200949
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diff
changeset
|
401 |
GstCaps *caps; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
402 |
|
16 | 403 |
gst_element_class_set_details_simple (element_class, "Volume", |
404 |
"Filter/Effect/Audio", |
|
405 |
"Set volume on audio/raw streams", "Andy Wingo <wingo@pobox.com>"); |
|
0
0e761a78d257
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parents:
diff
changeset
|
406 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
407 |
caps = gst_caps_from_string (ALLOWED_CAPS); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
408 |
gst_audio_filter_class_add_pad_templates (filter_class, caps); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
409 |
gst_caps_unref (caps); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
410 |
} |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
411 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
412 |
static void |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
413 |
gst_volume_class_init (GstVolumeClass * klass) |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
414 |
{ |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
415 |
GObjectClass *gobject_class; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
416 |
GstBaseTransformClass *trans_class; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
417 |
GstAudioFilterClass *filter_class; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
418 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
419 |
gobject_class = (GObjectClass *) klass; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
420 |
trans_class = (GstBaseTransformClass *) klass; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
421 |
filter_class = (GstAudioFilterClass *) (klass); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
422 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
423 |
gobject_class->set_property = volume_set_property; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
424 |
gobject_class->get_property = volume_get_property; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
425 |
gobject_class->dispose = gst_volume_dispose; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
426 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
427 |
g_object_class_install_property (gobject_class, PROP_MUTE, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
428 |
g_param_spec_boolean ("mute", "Mute", "mute channel", |
16 | 429 |
DEFAULT_PROP_MUTE, |
430 |
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS)); |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
431 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
432 |
g_object_class_install_property (gobject_class, PROP_VOLUME, |
16 | 433 |
g_param_spec_double ("volume", "Volume", "volume factor, 1.0=100%", |
434 |
0.0, VOLUME_MAX_DOUBLE, DEFAULT_PROP_VOLUME, |
|
435 |
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS)); |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
436 |
|
16 | 437 |
trans_class->before_transform = GST_DEBUG_FUNCPTR (volume_before_transform); |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
438 |
trans_class->transform_ip = GST_DEBUG_FUNCPTR (volume_transform_ip); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
439 |
filter_class->setup = GST_DEBUG_FUNCPTR (volume_setup); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
440 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
441 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
442 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
443 |
gst_volume_init (GstVolume * this, GstVolumeClass * g_class) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
444 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
445 |
GstMixerTrack *track = NULL; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
446 |
|
16 | 447 |
this->mute = DEFAULT_PROP_MUTE;; |
448 |
this->volume = DEFAULT_PROP_VOLUME; |
|
449 |
||
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
450 |
this->tracklist = NULL; |
16 | 451 |
this->negotiated = FALSE; |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
453 |
track = g_object_new (GST_TYPE_MIXER_TRACK, NULL); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
454 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
455 |
if (GST_IS_MIXER_TRACK (track)) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
456 |
track->label = g_strdup ("volume"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
track->num_channels = 1; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
track->min_volume = 0; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
459 |
track->max_volume = VOLUME_STEPS; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
track->flags = GST_MIXER_TRACK_SOFTWARE; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
461 |
this->tracklist = g_list_append (this->tracklist, track); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
462 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
463 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
464 |
gst_base_transform_set_gap_aware (GST_BASE_TRANSFORM (this), TRUE); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
465 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
467 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
volume_process_double (GstVolume * this, gpointer bytes, guint n_bytes) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
470 |
gdouble *data = (gdouble *) bytes; |
16 | 471 |
guint num_samples = n_bytes / sizeof (gdouble); |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
|
16 | 473 |
gdouble vol = this->current_volume; |
474 |
||
475 |
oil_scalarmultiply_f64_ns (data, data, &vol, num_samples); |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
478 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
479 |
volume_process_float (GstVolume * this, gpointer bytes, guint n_bytes) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
gfloat *data = (gfloat *) bytes; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
guint num_samples = n_bytes / sizeof (gfloat); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
|
16 | 484 |
#if 0 |
485 |
guint i; |
|
486 |
||
487 |
for (i = 0; i < num_samples; i++) { |
|
488 |
*data++ *= this->real_vol_f; |
|
489 |
} |
|
490 |
/* time "gst-launch 2>/dev/null audiotestsrc wave=7 num-buffers=10000 ! audio/x-raw-float ! |
|
491 |
* volume volume=1.5 ! fakesink" goes from 0m0.850s -> 0m0.717s with liboil |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
492 |
*/ |
16 | 493 |
#endif |
494 |
oil_scalarmultiply_f32_ns (data, data, &this->current_volume, num_samples); |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
495 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
497 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
498 |
volume_process_int32 (GstVolume * this, gpointer bytes, guint n_bytes) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
gint *data = (gint *) bytes; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
guint i, num_samples; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
gint64 val; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
504 |
num_samples = n_bytes / sizeof (gint); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
for (i = 0; i < num_samples; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
/* we use bitshifting instead of dividing by UNITY_INT for speed */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
val = (gint64) * data; |
16 | 508 |
val = |
509 |
(((gint64) this->current_vol_i32 * |
|
510 |
val) >> VOLUME_UNITY_INT32_BIT_SHIFT); |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
511 |
*data++ = (gint32) val; |
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 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
516 |
volume_process_int32_clamp (GstVolume * this, gpointer bytes, guint n_bytes) |
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 |
gint *data = (gint *) bytes; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
519 |
guint i, num_samples; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
520 |
gint64 val; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
521 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
522 |
num_samples = n_bytes / sizeof (gint); |
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 (i = 0; i < num_samples; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
525 |
/* we use bitshifting instead of dividing by UNITY_INT for speed */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
526 |
val = (gint64) * data; |
16 | 527 |
val = |
528 |
(((gint64) this->current_vol_i32 * |
|
529 |
val) >> VOLUME_UNITY_INT32_BIT_SHIFT); |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
530 |
*data++ = (gint32) CLAMP (val, VOLUME_MIN_INT32, VOLUME_MAX_INT32); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
531 |
} |
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 |
#if (G_BYTE_ORDER == G_LITTLE_ENDIAN) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
535 |
#define get_unaligned_i24(_x) ( (((guint8*)_x)[0]) | ((((guint8*)_x)[1]) << 8) | ((((gint8*)_x)[2]) << 16) ) |
16 | 536 |
|
537 |
#define write_unaligned_u24(_x,samp) \ |
|
538 |
G_STMT_START { \ |
|
539 |
*(_x)++ = samp & 0xFF; \ |
|
540 |
*(_x)++ = (samp >> 8) & 0xFF; \ |
|
541 |
*(_x)++ = (samp >> 16) & 0xFF; \ |
|
542 |
} G_STMT_END |
|
543 |
||
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
544 |
#else /* BIG ENDIAN */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
545 |
#define get_unaligned_i24(_x) ( (((guint8*)_x)[2]) | ((((guint8*)_x)[1]) << 8) | ((((gint8*)_x)[0]) << 16) ) |
16 | 546 |
#define write_unaligned_u24(_x,samp) \ |
547 |
G_STMT_START { \ |
|
548 |
*(_x)++ = (samp >> 16) & 0xFF; \ |
|
549 |
*(_x)++ = (samp >> 8) & 0xFF; \ |
|
550 |
*(_x)++ = samp & 0xFF; \ |
|
551 |
} G_STMT_END |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
552 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
553 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
554 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
555 |
volume_process_int24 (GstVolume * this, gpointer bytes, guint n_bytes) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
556 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
557 |
gint8 *data = (gint8 *) bytes; /* treat the data as a byte stream */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
558 |
guint i, num_samples; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
559 |
guint32 samp; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
560 |
gint64 val; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
561 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
562 |
num_samples = n_bytes / (sizeof (gint8) * 3); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
563 |
for (i = 0; i < num_samples; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
564 |
samp = get_unaligned_i24 (data); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
565 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
566 |
val = (gint32) samp; |
16 | 567 |
val = |
568 |
(((gint64) this->current_vol_i24 * |
|
569 |
val) >> VOLUME_UNITY_INT24_BIT_SHIFT); |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
570 |
samp = (guint32) val; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
571 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
572 |
/* write the value back into the stream */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
573 |
write_unaligned_u24 (data, samp); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
574 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
575 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
576 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
577 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
578 |
volume_process_int24_clamp (GstVolume * this, gpointer bytes, guint n_bytes) |
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 |
gint8 *data = (gint8 *) bytes; /* treat the data as a byte stream */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
581 |
guint i, num_samples; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
582 |
guint32 samp; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
583 |
gint64 val; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
584 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
585 |
num_samples = n_bytes / (sizeof (gint8) * 3); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
586 |
for (i = 0; i < num_samples; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
587 |
samp = get_unaligned_i24 (data); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
588 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
589 |
val = (gint32) samp; |
16 | 590 |
val = |
591 |
(((gint64) this->current_vol_i24 * |
|
592 |
val) >> VOLUME_UNITY_INT24_BIT_SHIFT); |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
593 |
samp = (guint32) CLAMP (val, VOLUME_MIN_INT24, VOLUME_MAX_INT24); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
594 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
595 |
/* write the value back into the stream */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
596 |
write_unaligned_u24 (data, samp); |
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 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
599 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
600 |
static void |
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Revision: 200949
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parents:
diff
changeset
|
601 |
volume_process_int16 (GstVolume * this, gpointer bytes, guint n_bytes) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
602 |
{ |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
603 |
gint16 *data = (gint16 *) bytes; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
604 |
guint num_samples = n_bytes / sizeof (gint16); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
605 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
606 |
#if 1 |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
607 |
guint i; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
608 |
gint val; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
609 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
610 |
for (i = 0; i < num_samples; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
611 |
/* we use bitshifting instead of dividing by UNITY_INT for speed */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
612 |
val = (gint) * data; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
613 |
*data++ = |
16 | 614 |
(gint16) ((this->current_vol_i16 * |
615 |
val) >> VOLUME_UNITY_INT16_BIT_SHIFT); |
|
0
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Revision: 200949
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parents:
diff
changeset
|
616 |
} |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
617 |
#else |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
618 |
/* FIXME: need oil_scalarmultiply_s16_ns ? |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
619 |
* https://bugs.freedesktop.org/show_bug.cgi?id=7060 |
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Revision: 200949
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parents:
diff
changeset
|
620 |
* code below |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
621 |
* - crashes :/ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
622 |
* - real_vol_i is scaled by VOLUME_UNITY_INT16 and needs the bitshift |
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Revision: 200949
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parents:
diff
changeset
|
623 |
* time gst-launch 2>/dev/null audiotestsrc wave=7 num-buffers=100 ! volume volume=1.5 ! fakesink |
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 |
oil_scalarmult_s16 (data, 0, data, 0, |
16 | 626 |
((gint16 *) (void *) (&this->current_vol_i)), num_samples); |
0
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parents:
diff
changeset
|
627 |
#endif |
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parents:
diff
changeset
|
628 |
} |
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changeset
|
629 |
|
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Revision: 200949
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parents:
diff
changeset
|
630 |
static void |
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Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
631 |
volume_process_int16_clamp (GstVolume * this, gpointer bytes, guint n_bytes) |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
632 |
{ |
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Revision: 200949
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parents:
diff
changeset
|
633 |
gint16 *data = (gint16 *) bytes; |
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parents:
diff
changeset
|
634 |
guint i, num_samples; |
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Revision: 200949
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parents:
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changeset
|
635 |
gint val; |
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Revision: 200949
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parents:
diff
changeset
|
636 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
637 |
num_samples = n_bytes / sizeof (gint16); |
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Revision: 200949
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parents:
diff
changeset
|
638 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
639 |
/* FIXME: oil_scalarmultiply_s16_ns ? |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
640 |
* https://bugs.freedesktop.org/show_bug.cgi?id=7060 |
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parents:
diff
changeset
|
641 |
*/ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
642 |
for (i = 0; i < num_samples; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
643 |
/* we use bitshifting instead of dividing by UNITY_INT for speed */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
644 |
val = (gint) * data; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
645 |
*data++ = |
16 | 646 |
(gint16) CLAMP ((this->current_vol_i16 * |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
647 |
val) >> VOLUME_UNITY_INT16_BIT_SHIFT, VOLUME_MIN_INT16, |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
648 |
VOLUME_MAX_INT16); |
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Revision: 200949
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parents:
diff
changeset
|
649 |
} |
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parents:
diff
changeset
|
650 |
} |
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changeset
|
651 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
652 |
static void |
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Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
653 |
volume_process_int8 (GstVolume * this, gpointer bytes, guint n_bytes) |
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parents:
diff
changeset
|
654 |
{ |
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Revision: 200949
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|
655 |
gint8 *data = (gint8 *) bytes; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
656 |
guint num_samples = n_bytes / sizeof (gint8); |
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Revision: 200949
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parents:
diff
changeset
|
657 |
guint i; |
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Revision: 200949
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parents:
diff
changeset
|
658 |
gint val; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
659 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
660 |
for (i = 0; i < num_samples; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
661 |
/* we use bitshifting instead of dividing by UNITY_INT for speed */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
662 |
val = (gint) * data; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
663 |
*data++ = |
16 | 664 |
(gint8) ((this->current_vol_i8 * val) >> VOLUME_UNITY_INT8_BIT_SHIFT); |
0
0e761a78d257
Revision: 200949
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parents:
diff
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|
665 |
} |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
666 |
} |
0e761a78d257
Revision: 200949
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parents:
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changeset
|
667 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
668 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
669 |
volume_process_int8_clamp (GstVolume * this, gpointer bytes, guint n_bytes) |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
670 |
{ |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
671 |
gint8 *data = (gint8 *) bytes; |
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Revision: 200949
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parents:
diff
changeset
|
672 |
guint i, num_samples; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
673 |
gint val; |
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Revision: 200949
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parents:
diff
changeset
|
674 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
675 |
num_samples = n_bytes / sizeof (gint8); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
676 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
677 |
for (i = 0; i < num_samples; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
678 |
/* we use bitshifting instead of dividing by UNITY_INT for speed */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
679 |
val = (gint) * data; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
680 |
*data++ = |
16 | 681 |
(gint8) CLAMP ((this->current_vol_i8 * |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
682 |
val) >> VOLUME_UNITY_INT8_BIT_SHIFT, VOLUME_MIN_INT8, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
683 |
VOLUME_MAX_INT8); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
684 |
} |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
685 |
} |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
686 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
687 |
/* GstBaseTransform vmethod implementations */ |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
688 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
689 |
/* get notified of caps and plug in the correct process function */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
690 |
static gboolean |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
691 |
volume_setup (GstAudioFilter * filter, GstRingBufferSpec * format) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
692 |
{ |
16 | 693 |
gboolean res; |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
694 |
GstVolume *this = GST_VOLUME (filter); |
16 | 695 |
gfloat volume; |
696 |
gboolean mute; |
|
0
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
697 |
|
16 | 698 |
GST_OBJECT_LOCK (this); |
699 |
volume = this->volume; |
|
700 |
mute = this->mute; |
|
701 |
GST_OBJECT_UNLOCK (this); |
|
702 |
||
703 |
res = volume_update_volume (this, volume, mute); |
|
704 |
if (!res) { |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
705 |
GST_ELEMENT_ERROR (this, CORE, NEGOTIATION, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
706 |
("Invalid incoming format"), (NULL)); |
16 | 707 |
} |
708 |
this->negotiated = res; |
|
709 |
||
710 |
return res; |
|
711 |
} |
|
712 |
||
713 |
static void |
|
714 |
volume_before_transform (GstBaseTransform * base, GstBuffer * buffer) |
|
715 |
{ |
|
716 |
GstClockTime timestamp; |
|
717 |
GstVolume *this = GST_VOLUME (base); |
|
718 |
gfloat volume; |
|
719 |
gboolean mute; |
|
720 |
||
721 |
/* FIXME: if controllers are bound, subdivide GST_BUFFER_SIZE into small |
|
722 |
* chunks for smooth fades, what is small? 1/10th sec. |
|
723 |
*/ |
|
724 |
timestamp = GST_BUFFER_TIMESTAMP (buffer); |
|
725 |
timestamp = |
|
726 |
gst_segment_to_stream_time (&base->segment, GST_FORMAT_TIME, timestamp); |
|
727 |
||
728 |
GST_DEBUG_OBJECT (base, "sync to %" GST_TIME_FORMAT, |
|
729 |
GST_TIME_ARGS (timestamp)); |
|
730 |
||
731 |
if (GST_CLOCK_TIME_IS_VALID (timestamp)) |
|
732 |
gst_object_sync_values (G_OBJECT (this), timestamp); |
|
733 |
||
734 |
/* get latest values */ |
|
735 |
GST_OBJECT_LOCK (this); |
|
736 |
volume = this->volume; |
|
737 |
mute = this->mute; |
|
738 |
GST_OBJECT_UNLOCK (this); |
|
739 |
||
740 |
if ((volume != this->current_volume) || (mute != this->current_mute)) { |
|
741 |
/* the volume or mute was updated, update our internal state before |
|
742 |
* we continue processing. */ |
|
743 |
volume_update_volume (this, volume, mute); |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
744 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
745 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
746 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
747 |
/* call the plugged-in process function for this instance |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
748 |
* needs to be done with this indirection since volume_transform is |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
749 |
* a class-global method |
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 |
static GstFlowReturn |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
752 |
volume_transform_ip (GstBaseTransform * base, GstBuffer * outbuf) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
753 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
754 |
GstVolume *this = GST_VOLUME (base); |
16 | 755 |
guint8 *data; |
756 |
guint size; |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
757 |
|
16 | 758 |
if (G_UNLIKELY (!this->negotiated)) |
759 |
goto not_negotiated; |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
760 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
761 |
/* don't process data in passthrough-mode */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
762 |
if (gst_base_transform_is_passthrough (base) || |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
763 |
GST_BUFFER_FLAG_IS_SET (outbuf, GST_BUFFER_FLAG_GAP)) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
764 |
return GST_FLOW_OK; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
765 |
|
16 | 766 |
data = GST_BUFFER_DATA (outbuf); |
767 |
size = GST_BUFFER_SIZE (outbuf); |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
768 |
|
16 | 769 |
if (this->current_volume == 0.0) { |
770 |
memset (data, 0, size); |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
771 |
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_GAP); |
16 | 772 |
} else if (this->current_volume != 1.0) { |
773 |
this->process (this, data, size); |
|
774 |
} |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
775 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
776 |
return GST_FLOW_OK; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
777 |
|
16 | 778 |
/* ERRORS */ |
779 |
not_negotiated: |
|
780 |
{ |
|
781 |
GST_ELEMENT_ERROR (this, CORE, NEGOTIATION, |
|
782 |
("No format was negotiated"), (NULL)); |
|
783 |
return GST_FLOW_NOT_NEGOTIATED; |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
784 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
785 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
786 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
787 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
788 |
volume_set_property (GObject * object, guint prop_id, const GValue * value, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
789 |
GParamSpec * pspec) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
790 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
791 |
GstVolume *this = GST_VOLUME (object); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
792 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
793 |
switch (prop_id) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
794 |
case PROP_MUTE: |
16 | 795 |
GST_OBJECT_LOCK (this); |
796 |
this->mute = g_value_get_boolean (value); |
|
797 |
GST_OBJECT_UNLOCK (this); |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
798 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
799 |
case PROP_VOLUME: |
16 | 800 |
GST_OBJECT_LOCK (this); |
801 |
this->volume = g_value_get_double (value); |
|
802 |
GST_OBJECT_UNLOCK (this); |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
803 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
804 |
default: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
805 |
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
806 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
807 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
808 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
809 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
810 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
811 |
volume_get_property (GObject * object, guint prop_id, GValue * value, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
812 |
GParamSpec * pspec) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
813 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
814 |
GstVolume *this = GST_VOLUME (object); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
815 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
816 |
switch (prop_id) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
817 |
case PROP_MUTE: |
16 | 818 |
GST_OBJECT_LOCK (this); |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
819 |
g_value_set_boolean (value, this->mute); |
16 | 820 |
GST_OBJECT_UNLOCK (this); |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
821 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
822 |
case PROP_VOLUME: |
16 | 823 |
GST_OBJECT_LOCK (this); |
824 |
g_value_set_double (value, this->volume); |
|
825 |
GST_OBJECT_UNLOCK (this); |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
826 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
827 |
default: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
828 |
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
829 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
830 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
831 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
832 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
833 |
static gboolean |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
834 |
plugin_init (GstPlugin * plugin) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
835 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
836 |
oil_init (); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
837 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
838 |
/* initialize gst controller library */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
839 |
gst_controller_init (NULL, NULL); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
840 |
|
16 | 841 |
GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "volume", 0, "Volume gain"); |
842 |
||
843 |
/* ref class from a thread-safe context to work around missing bit of |
|
844 |
* thread-safety in GObject */ |
|
845 |
g_type_class_ref (GST_TYPE_MIXER_TRACK); |
|
846 |
||
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
847 |
return gst_element_register (plugin, "volume", GST_RANK_NONE, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
848 |
GST_TYPE_VOLUME); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
849 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
850 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
851 |
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
852 |
GST_VERSION_MINOR, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
853 |
"volume", |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
854 |
"plugin for controlling audio volume", |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
855 |
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
856 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
857 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
858 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
859 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
860 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
861 |
GstPluginDesc* _GST_PLUGIN_DESC() |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
862 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
863 |
return &gst_plugin_desc; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
864 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
865 |