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lavc: add lossy/lossless codec properties.

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Anton Khirnov
2012-08-28 11:21:59 +02:00
parent 8db73c61a7
commit a2318326f1
4 changed files with 313 additions and 66 deletions
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4
doc/APIchanges
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@@ -13,6 +13,10 @@ libavutil: 2011-04-18
API changes, most recent first: API changes, most recent first:
2012-xx-xx - xxxxxxx - lavc 54.26.1 - avcodec.h
Add codec descriptor properties AV_CODEC_PROP_LOSSY and
AV_CODEC_PROP_LOSSLESS.
2012-08-18 - lavc 54.26 - avcodec.h 2012-08-18 - lavc 54.26 - avcodec.h
Add codec descriptors for accessing codec properties without having Add codec descriptors for accessing codec properties without having
to refer to a specific decoder or encoder. to refer to a specific decoder or encoder.

10
libavcodec/avcodec.h
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@@ -467,6 +467,16 @@ typedef struct AVCodecDescriptor {
* Video codecs only. * Video codecs only.
*/ */
#define AV_CODEC_PROP_INTRA_ONLY (1 << 0) #define AV_CODEC_PROP_INTRA_ONLY (1 << 0)
/**
* Codec supports lossy compression. Audio and video codecs only.
* @note a codec may support both lossy and lossless
* compression modes
*/
#define AV_CODEC_PROP_LOSSY (1 << 1)
/**
* Codec supports lossless compression. Audio and video codecs only.
*/
#define AV_CODEC_PROP_LOSSLESS (1 << 2)
#if FF_API_OLD_DECODE_AUDIO #if FF_API_OLD_DECODE_AUDIO
/* in bytes */ /* in bytes */

363
libavcodec/codec_desc.c
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2
libavcodec/version.h
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@@ -28,7 +28,7 @@
#define LIBAVCODEC_VERSION_MAJOR 54 #define LIBAVCODEC_VERSION_MAJOR 54
#define LIBAVCODEC_VERSION_MINOR 26 #define LIBAVCODEC_VERSION_MINOR 26
#define LIBAVCODEC_VERSION_MICRO 0 #define LIBAVCODEC_VERSION_MICRO 1
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ #define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \ LIBAVCODEC_VERSION_MINOR, \