mirror of https://github.com/FFmpeg/FFmpeg.git
* commit '97bf7c03b1338a867da52c159a2afecbdedcfa88': doc: git-howto: Leave reviewers time to react before pushing patches Include libavutil/channel_layout.h instead of libavutil/audioconvert.h lavu: rename audioconvert.* to channel_layout.* and deprecate audioconvert.h Conflicts: doc/APIchanges doc/examples/decoding_encoding.c doc/git-howto.texi ffmpeg_filter.c libavcodec/flacdec.c libavcodec/imc.c libavcodec/mpegaudiodec.c libavcodec/utils.c libavfilter/asrc_anullsrc.c libavfilter/audio.c libavfilter/avfilter.c libavfilter/avfilter.h libavfilter/avfiltergraph.c libavfilter/buffer.c libavutil/Makefile libavutil/audioconvert.h libavutil/channel_layout.c libavutil/version.h Merged-by: Michael Niedermayer <michaelni@gmx.at>pull/6/merge
Michael Niedermayer
12 years ago
commit
03b078721c
84 changed files with 323 additions and 319 deletions
@ -1,208 +1,6 @@ |
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/*
|
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* Copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> |
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* Copyright (c) 2008 Peter Ross |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg 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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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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|
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#ifndef AVUTIL_AUDIOCONVERT_H |
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#define AVUTIL_AUDIOCONVERT_H |
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#include "version.h" |
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#include <stdint.h> |
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|
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/**
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* @file |
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* audio conversion routines |
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*/ |
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|
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/**
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* @addtogroup lavu_audio |
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* @{ |
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*/ |
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|
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/**
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* @defgroup channel_masks Audio channel masks |
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* @{ |
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*/ |
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#define AV_CH_FRONT_LEFT 0x00000001 |
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#define AV_CH_FRONT_RIGHT 0x00000002 |
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#define AV_CH_FRONT_CENTER 0x00000004 |
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#define AV_CH_LOW_FREQUENCY 0x00000008 |
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#define AV_CH_BACK_LEFT 0x00000010 |
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#define AV_CH_BACK_RIGHT 0x00000020 |
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#define AV_CH_FRONT_LEFT_OF_CENTER 0x00000040 |
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#define AV_CH_FRONT_RIGHT_OF_CENTER 0x00000080 |
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#define AV_CH_BACK_CENTER 0x00000100 |
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#define AV_CH_SIDE_LEFT 0x00000200 |
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#define AV_CH_SIDE_RIGHT 0x00000400 |
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#define AV_CH_TOP_CENTER 0x00000800 |
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#define AV_CH_TOP_FRONT_LEFT 0x00001000 |
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#define AV_CH_TOP_FRONT_CENTER 0x00002000 |
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#define AV_CH_TOP_FRONT_RIGHT 0x00004000 |
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#define AV_CH_TOP_BACK_LEFT 0x00008000 |
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#define AV_CH_TOP_BACK_CENTER 0x00010000 |
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#define AV_CH_TOP_BACK_RIGHT 0x00020000 |
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#define AV_CH_STEREO_LEFT 0x20000000 ///< Stereo downmix.
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#define AV_CH_STEREO_RIGHT 0x40000000 ///< See AV_CH_STEREO_LEFT.
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#define AV_CH_WIDE_LEFT 0x0000000080000000ULL |
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#define AV_CH_WIDE_RIGHT 0x0000000100000000ULL |
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#define AV_CH_SURROUND_DIRECT_LEFT 0x0000000200000000ULL |
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#define AV_CH_SURROUND_DIRECT_RIGHT 0x0000000400000000ULL |
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#define AV_CH_LOW_FREQUENCY_2 0x0000000800000000ULL |
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/** Channel mask value used for AVCodecContext.request_channel_layout
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to indicate that the user requests the channel order of the decoder output |
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to be the native codec channel order. */ |
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#define AV_CH_LAYOUT_NATIVE 0x8000000000000000ULL |
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/**
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* @} |
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* @defgroup channel_mask_c Audio channel convenience macros |
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* @{ |
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* */ |
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#define AV_CH_LAYOUT_MONO (AV_CH_FRONT_CENTER) |
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#define AV_CH_LAYOUT_STEREO (AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT) |
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#define AV_CH_LAYOUT_2POINT1 (AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY) |
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#define AV_CH_LAYOUT_2_1 (AV_CH_LAYOUT_STEREO|AV_CH_BACK_CENTER) |
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#define AV_CH_LAYOUT_SURROUND (AV_CH_LAYOUT_STEREO|AV_CH_FRONT_CENTER) |
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#define AV_CH_LAYOUT_3POINT1 (AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY) |
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#define AV_CH_LAYOUT_4POINT0 (AV_CH_LAYOUT_SURROUND|AV_CH_BACK_CENTER) |
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#define AV_CH_LAYOUT_4POINT1 (AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY) |
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#define AV_CH_LAYOUT_2_2 (AV_CH_LAYOUT_STEREO|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT) |
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#define AV_CH_LAYOUT_QUAD (AV_CH_LAYOUT_STEREO|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT) |
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#define AV_CH_LAYOUT_5POINT0 (AV_CH_LAYOUT_SURROUND|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT) |
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#define AV_CH_LAYOUT_5POINT1 (AV_CH_LAYOUT_5POINT0|AV_CH_LOW_FREQUENCY) |
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#define AV_CH_LAYOUT_5POINT0_BACK (AV_CH_LAYOUT_SURROUND|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT) |
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#define AV_CH_LAYOUT_5POINT1_BACK (AV_CH_LAYOUT_5POINT0_BACK|AV_CH_LOW_FREQUENCY) |
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#define AV_CH_LAYOUT_6POINT0 (AV_CH_LAYOUT_5POINT0|AV_CH_BACK_CENTER) |
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#define AV_CH_LAYOUT_6POINT0_FRONT (AV_CH_LAYOUT_2_2|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER) |
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#define AV_CH_LAYOUT_HEXAGONAL (AV_CH_LAYOUT_5POINT0_BACK|AV_CH_BACK_CENTER) |
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#define AV_CH_LAYOUT_6POINT1 (AV_CH_LAYOUT_5POINT1|AV_CH_BACK_CENTER) |
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#define AV_CH_LAYOUT_6POINT1_BACK (AV_CH_LAYOUT_5POINT1_BACK|AV_CH_BACK_CENTER) |
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#define AV_CH_LAYOUT_6POINT1_FRONT (AV_CH_LAYOUT_6POINT0_FRONT|AV_CH_LOW_FREQUENCY) |
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#define AV_CH_LAYOUT_7POINT0 (AV_CH_LAYOUT_5POINT0|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT) |
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#define AV_CH_LAYOUT_7POINT0_FRONT (AV_CH_LAYOUT_5POINT0|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER) |
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#define AV_CH_LAYOUT_7POINT1 (AV_CH_LAYOUT_5POINT1|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT) |
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#define AV_CH_LAYOUT_7POINT1_WIDE (AV_CH_LAYOUT_5POINT1|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER) |
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#define AV_CH_LAYOUT_7POINT1_WIDE_BACK (AV_CH_LAYOUT_5POINT1_BACK|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER) |
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#define AV_CH_LAYOUT_OCTAGONAL (AV_CH_LAYOUT_5POINT0|AV_CH_BACK_LEFT|AV_CH_BACK_CENTER|AV_CH_BACK_RIGHT) |
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#define AV_CH_LAYOUT_STEREO_DOWNMIX (AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT) |
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enum AVMatrixEncoding { |
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AV_MATRIX_ENCODING_NONE, |
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AV_MATRIX_ENCODING_DOLBY, |
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AV_MATRIX_ENCODING_DPLII, |
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AV_MATRIX_ENCODING_NB |
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}; |
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|
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/**
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* @} |
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*/ |
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|
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/**
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* Return a channel layout id that matches name, or 0 if no match is found. |
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* |
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* name can be one or several of the following notations, |
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* separated by '+' or '|': |
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* - the name of an usual channel layout (mono, stereo, 4.0, quad, 5.0, |
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* 5.0(side), 5.1, 5.1(side), 7.1, 7.1(wide), downmix); |
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* - the name of a single channel (FL, FR, FC, LFE, BL, BR, FLC, FRC, BC, |
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* SL, SR, TC, TFL, TFC, TFR, TBL, TBC, TBR, DL, DR); |
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* - a number of channels, in decimal, optionally followed by 'c', yielding |
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* the default channel layout for that number of channels (@see |
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* av_get_default_channel_layout); |
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* - a channel layout mask, in hexadecimal starting with "0x" (see the |
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* AV_CH_* macros). |
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* |
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* Example: "stereo+FC" = "2+FC" = "2c+1c" = "0x7" |
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*/ |
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uint64_t av_get_channel_layout(const char *name); |
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|
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/**
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* Return a description of a channel layout. |
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* If nb_channels is <= 0, it is guessed from the channel_layout. |
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* |
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* @param buf put here the string containing the channel layout |
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* @param buf_size size in bytes of the buffer |
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*/ |
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void av_get_channel_layout_string(char *buf, int buf_size, int nb_channels, uint64_t channel_layout); |
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struct AVBPrint; |
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/**
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* Append a description of a channel layout to a bprint buffer. |
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*/ |
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void av_bprint_channel_layout(struct AVBPrint *bp, int nb_channels, uint64_t channel_layout); |
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|
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/**
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* Return the number of channels in the channel layout. |
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*/ |
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int av_get_channel_layout_nb_channels(uint64_t channel_layout); |
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|
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/**
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* Return default channel layout for a given number of channels. |
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*/ |
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int64_t av_get_default_channel_layout(int nb_channels); |
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/**
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* Get the index of a channel in channel_layout. |
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* |
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* @param channel a channel layout describing exactly one channel which must be |
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* present in channel_layout. |
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* |
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* @return index of channel in channel_layout on success, a negative AVERROR |
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* on error. |
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*/ |
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int av_get_channel_layout_channel_index(uint64_t channel_layout, |
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uint64_t channel); |
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/**
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* Get the channel with the given index in channel_layout. |
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*/ |
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uint64_t av_channel_layout_extract_channel(uint64_t channel_layout, int index); |
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/**
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* Get the name of a given channel. |
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* |
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* @return channel name on success, NULL on error. |
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*/ |
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const char *av_get_channel_name(uint64_t channel); |
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/**
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* Get the description of a given channel. |
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* |
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* @param channel a channel layout with a single channel |
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* @return channel description on success, NULL on error |
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*/ |
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const char *av_get_channel_description(uint64_t channel); |
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/**
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* Get the value and name of a standard channel layout. |
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* |
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* @param[in] index index in an internal list, starting at 0 |
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* @param[out] layout channel layout mask |
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* @param[out] name name of the layout |
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* @return 0 if the layout exists, |
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* <0 if index is beyond the limits |
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*/ |
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int av_get_standard_channel_layout(unsigned index, uint64_t *layout, |
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const char **name); |
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/**
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* @} |
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*/ |
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#endif /* AVUTIL_AUDIOCONVERT_H */ |
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#if FF_API_AUDIOCONVERT |
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#include "channel_layout.h" |
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#endif |
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@ -0,0 +1,208 @@ |
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/*
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* Copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> |
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* Copyright (c) 2008 Peter Ross |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg 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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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVUTIL_CHANNEL_LAYOUT_H |
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#define AVUTIL_CHANNEL_LAYOUT_H |
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#include <stdint.h> |
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|
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/**
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* @file |
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* audio channel layout utility functions |
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*/ |
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|
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/**
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* @addtogroup lavu_audio |
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* @{ |
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*/ |
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|
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/**
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* @defgroup channel_masks Audio channel masks |
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* @{ |
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*/ |
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#define AV_CH_FRONT_LEFT 0x00000001 |
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#define AV_CH_FRONT_RIGHT 0x00000002 |
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#define AV_CH_FRONT_CENTER 0x00000004 |
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#define AV_CH_LOW_FREQUENCY 0x00000008 |
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#define AV_CH_BACK_LEFT 0x00000010 |
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#define AV_CH_BACK_RIGHT 0x00000020 |
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#define AV_CH_FRONT_LEFT_OF_CENTER 0x00000040 |
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#define AV_CH_FRONT_RIGHT_OF_CENTER 0x00000080 |
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#define AV_CH_BACK_CENTER 0x00000100 |
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#define AV_CH_SIDE_LEFT 0x00000200 |
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#define AV_CH_SIDE_RIGHT 0x00000400 |
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#define AV_CH_TOP_CENTER 0x00000800 |
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#define AV_CH_TOP_FRONT_LEFT 0x00001000 |
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#define AV_CH_TOP_FRONT_CENTER 0x00002000 |
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#define AV_CH_TOP_FRONT_RIGHT 0x00004000 |
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#define AV_CH_TOP_BACK_LEFT 0x00008000 |
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#define AV_CH_TOP_BACK_CENTER 0x00010000 |
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#define AV_CH_TOP_BACK_RIGHT 0x00020000 |
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#define AV_CH_STEREO_LEFT 0x20000000 ///< Stereo downmix.
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#define AV_CH_STEREO_RIGHT 0x40000000 ///< See AV_CH_STEREO_LEFT.
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#define AV_CH_WIDE_LEFT 0x0000000080000000ULL |
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#define AV_CH_WIDE_RIGHT 0x0000000100000000ULL |
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#define AV_CH_SURROUND_DIRECT_LEFT 0x0000000200000000ULL |
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#define AV_CH_SURROUND_DIRECT_RIGHT 0x0000000400000000ULL |
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#define AV_CH_LOW_FREQUENCY_2 0x0000000800000000ULL |
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/** Channel mask value used for AVCodecContext.request_channel_layout
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to indicate that the user requests the channel order of the decoder output |
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to be the native codec channel order. */ |
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#define AV_CH_LAYOUT_NATIVE 0x8000000000000000ULL |
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|
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/**
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* @} |
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* @defgroup channel_mask_c Audio channel convenience macros |
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* @{ |
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* */ |
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#define AV_CH_LAYOUT_MONO (AV_CH_FRONT_CENTER) |
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#define AV_CH_LAYOUT_STEREO (AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT) |
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#define AV_CH_LAYOUT_2POINT1 (AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY) |
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#define AV_CH_LAYOUT_2_1 (AV_CH_LAYOUT_STEREO|AV_CH_BACK_CENTER) |
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#define AV_CH_LAYOUT_SURROUND (AV_CH_LAYOUT_STEREO|AV_CH_FRONT_CENTER) |
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#define AV_CH_LAYOUT_3POINT1 (AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY) |
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#define AV_CH_LAYOUT_4POINT0 (AV_CH_LAYOUT_SURROUND|AV_CH_BACK_CENTER) |
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#define AV_CH_LAYOUT_4POINT1 (AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY) |
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#define AV_CH_LAYOUT_2_2 (AV_CH_LAYOUT_STEREO|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT) |
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#define AV_CH_LAYOUT_QUAD (AV_CH_LAYOUT_STEREO|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT) |
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#define AV_CH_LAYOUT_5POINT0 (AV_CH_LAYOUT_SURROUND|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT) |
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#define AV_CH_LAYOUT_5POINT1 (AV_CH_LAYOUT_5POINT0|AV_CH_LOW_FREQUENCY) |
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#define AV_CH_LAYOUT_5POINT0_BACK (AV_CH_LAYOUT_SURROUND|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT) |
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#define AV_CH_LAYOUT_5POINT1_BACK (AV_CH_LAYOUT_5POINT0_BACK|AV_CH_LOW_FREQUENCY) |
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#define AV_CH_LAYOUT_6POINT0 (AV_CH_LAYOUT_5POINT0|AV_CH_BACK_CENTER) |
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#define AV_CH_LAYOUT_6POINT0_FRONT (AV_CH_LAYOUT_2_2|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER) |
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#define AV_CH_LAYOUT_HEXAGONAL (AV_CH_LAYOUT_5POINT0_BACK|AV_CH_BACK_CENTER) |
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#define AV_CH_LAYOUT_6POINT1 (AV_CH_LAYOUT_5POINT1|AV_CH_BACK_CENTER) |
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#define AV_CH_LAYOUT_6POINT1_BACK (AV_CH_LAYOUT_5POINT1_BACK|AV_CH_BACK_CENTER) |
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#define AV_CH_LAYOUT_6POINT1_FRONT (AV_CH_LAYOUT_6POINT0_FRONT|AV_CH_LOW_FREQUENCY) |
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#define AV_CH_LAYOUT_7POINT0 (AV_CH_LAYOUT_5POINT0|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT) |
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#define AV_CH_LAYOUT_7POINT0_FRONT (AV_CH_LAYOUT_5POINT0|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER) |
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#define AV_CH_LAYOUT_7POINT1 (AV_CH_LAYOUT_5POINT1|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT) |
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#define AV_CH_LAYOUT_7POINT1_WIDE (AV_CH_LAYOUT_5POINT1|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER) |
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#define AV_CH_LAYOUT_7POINT1_WIDE_BACK (AV_CH_LAYOUT_5POINT1_BACK|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER) |
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#define AV_CH_LAYOUT_OCTAGONAL (AV_CH_LAYOUT_5POINT0|AV_CH_BACK_LEFT|AV_CH_BACK_CENTER|AV_CH_BACK_RIGHT) |
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#define AV_CH_LAYOUT_STEREO_DOWNMIX (AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT) |
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|
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enum AVMatrixEncoding { |
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AV_MATRIX_ENCODING_NONE, |
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AV_MATRIX_ENCODING_DOLBY, |
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AV_MATRIX_ENCODING_DPLII, |
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AV_MATRIX_ENCODING_NB |
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}; |
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|
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/**
|
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* @} |
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*/ |
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|
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/**
|
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* Return a channel layout id that matches name, or 0 if no match is found. |
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* |
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* name can be one or several of the following notations, |
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* separated by '+' or '|': |
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* - the name of an usual channel layout (mono, stereo, 4.0, quad, 5.0, |
||||
* 5.0(side), 5.1, 5.1(side), 7.1, 7.1(wide), downmix); |
||||
* - the name of a single channel (FL, FR, FC, LFE, BL, BR, FLC, FRC, BC, |
||||
* SL, SR, TC, TFL, TFC, TFR, TBL, TBC, TBR, DL, DR); |
||||
* - a number of channels, in decimal, optionally followed by 'c', yielding |
||||
* the default channel layout for that number of channels (@see |
||||
* av_get_default_channel_layout); |
||||
* - a channel layout mask, in hexadecimal starting with "0x" (see the |
||||
* AV_CH_* macros). |
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* |
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* Example: "stereo+FC" = "2+FC" = "2c+1c" = "0x7" |
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*/ |
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uint64_t av_get_channel_layout(const char *name); |
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|
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/**
|
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* Return a description of a channel layout. |
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* If nb_channels is <= 0, it is guessed from the channel_layout. |
||||
* |
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* @param buf put here the string containing the channel layout |
||||
* @param buf_size size in bytes of the buffer |
||||
*/ |
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void av_get_channel_layout_string(char *buf, int buf_size, int nb_channels, uint64_t channel_layout); |
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|
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struct AVBPrint; |
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/**
|
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* Append a description of a channel layout to a bprint buffer. |
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*/ |
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void av_bprint_channel_layout(struct AVBPrint *bp, int nb_channels, uint64_t channel_layout); |
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|
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/**
|
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* Return the number of channels in the channel layout. |
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*/ |
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int av_get_channel_layout_nb_channels(uint64_t channel_layout); |
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|
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/**
|
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* Return default channel layout for a given number of channels. |
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*/ |
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int64_t av_get_default_channel_layout(int nb_channels); |
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|
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/**
|
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* Get the index of a channel in channel_layout. |
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* |
||||
* @param channel a channel layout describing exactly one channel which must be |
||||
* present in channel_layout. |
||||
* |
||||
* @return index of channel in channel_layout on success, a negative AVERROR |
||||
* on error. |
||||
*/ |
||||
int av_get_channel_layout_channel_index(uint64_t channel_layout, |
||||
uint64_t channel); |
||||
|
||||
/**
|
||||
* Get the channel with the given index in channel_layout. |
||||
*/ |
||||
uint64_t av_channel_layout_extract_channel(uint64_t channel_layout, int index); |
||||
|
||||
/**
|
||||
* Get the name of a given channel. |
||||
* |
||||
* @return channel name on success, NULL on error. |
||||
*/ |
||||
const char *av_get_channel_name(uint64_t channel); |
||||
|
||||
/**
|
||||
* Get the description of a given channel. |
||||
* |
||||
* @param channel a channel layout with a single channel |
||||
* @return channel description on success, NULL on error |
||||
*/ |
||||
const char *av_get_channel_description(uint64_t channel); |
||||
|
||||
/**
|
||||
* Get the value and name of a standard channel layout. |
||||
* |
||||
* @param[in] index index in an internal list, starting at 0 |
||||
* @param[out] layout channel layout mask |
||||
* @param[out] name name of the layout |
||||
* @return 0 if the layout exists, |
||||
* <0 if index is beyond the limits |
||||
*/ |
||||
int av_get_standard_channel_layout(unsigned index, uint64_t *layout, |
||||
const char **name); |
||||
|
||||
/**
|
||||
* @} |
||||
*/ |
||||
|
||||
#endif /* AVUTIL_CHANNEL_LAYOUT_H */ |
||||
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Reference in new issue