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Code Issues Releases Activity

Add request_sample_fmt field to AVCodecContext.

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This will allow audio decoders to support output of different sample formats
as a runtime option.
This commit is contained in:
Justin Ruggles 2011-04-19 19:47:01 -04:00
parent 32f8fb8ecf
commit 64150ff014
3 changed files with 14 additions and 1 deletions
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7
libavcodec/avcodec.h
View File

@ -2836,6 +2836,13 @@ typedef struct AVCodecContext {
* - decoding: Set by libavcodec.
*/
enum AVAudioServiceType audio_service_type;
/**
* Used to request a sample format from the decoder.
* - encoding: unused.
* - decoding: Set by user.
*/
enum AVSampleFormat request_sample_fmt;
} AVCodecContext;
/**

6
libavcodec/options.c
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@ -441,6 +441,12 @@ static const AVOption options[]={
{"em", "Emergency", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_EMERGENCY }, INT_MIN, INT_MAX, A|E, "audio_service_type"},
{"vo", "Voice Over", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_VOICE_OVER }, INT_MIN, INT_MAX, A|E, "audio_service_type"},
{"ka", "Karaoke", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_KARAOKE }, INT_MIN, INT_MAX, A|E, "audio_service_type"},
{"request_sample_fmt", NULL, OFFSET(request_sample_fmt), FF_OPT_TYPE_INT, {.dbl = AV_SAMPLE_FMT_NONE }, AV_SAMPLE_FMT_NONE, AV_SAMPLE_FMT_NB-1, A|D, "request_sample_fmt"},
{"u8" , "8-bit unsigned integer", 0, FF_OPT_TYPE_CONST, {.dbl = AV_SAMPLE_FMT_U8 }, INT_MIN, INT_MAX, A|D, "request_sample_fmt"},
{"s16", "16-bit signed integer", 0, FF_OPT_TYPE_CONST, {.dbl = AV_SAMPLE_FMT_S16 }, INT_MIN, INT_MAX, A|D, "request_sample_fmt"},
{"s32", "32-bit signed integer", 0, FF_OPT_TYPE_CONST, {.dbl = AV_SAMPLE_FMT_S32 }, INT_MIN, INT_MAX, A|D, "request_sample_fmt"},
{"flt", "32-bit float", 0, FF_OPT_TYPE_CONST, {.dbl = AV_SAMPLE_FMT_FLT }, INT_MIN, INT_MAX, A|D, "request_sample_fmt"},
{"dbl", "64-bit double", 0, FF_OPT_TYPE_CONST, {.dbl = AV_SAMPLE_FMT_DBL }, INT_MIN, INT_MAX, A|D, "request_sample_fmt"},
{NULL},
};

2
libavcodec/version.h
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@ -21,7 +21,7 @@
#define AVCODEC_VERSION_H
#define LIBAVCODEC_VERSION_MAJOR 53
#define LIBAVCODEC_VERSION_MINOR 3
#define LIBAVCODEC_VERSION_MINOR 4
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \