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Add cr codec capability and buffer hints

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Originally committed as revision 2484 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Roberto Togni 2003-11-07 21:20:24 +00:00
parent 468887480c
commit 074c4ca7fd
2 changed files with 25 additions and 1 deletions
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25
libavcodec/avcodec.h
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@ -16,7 +16,7 @@ extern "C" {
#define FFMPEG_VERSION_INT 0x000408
#define FFMPEG_VERSION "0.4.8"
#define LIBAVCODEC_BUILD 4690
#define LIBAVCODEC_BUILD 4691
#define LIBAVCODEC_VERSION_INT FFMPEG_VERSION_INT
#define LIBAVCODEC_VERSION FFMPEG_VERSION
@ -275,6 +275,10 @@ static const __attribute__((unused)) int Motion_Est_QTab[] =
used */
#define CODEC_CAP_PARSE_ONLY 0x0004
#define CODEC_CAP_TRUNCATED 0x0008
/*
* Codec can use conditional replenishment if available.
*/
#define CODEC_CAP_CR 0x0010
/**
* Pan Scan area.
@ -460,6 +464,13 @@ typedef struct AVPanScan{
* - decoding: set by lavc (default 0)\
*/\
int palette_has_changed;\
\
/**\
* Codec suggestion on buffer type if != 0\
* - encoding: unused\
* - decoding: set by lavc (before get_buffer() call))\
*/\
int buffer_hints;\
#define FF_QSCALE_TYPE_MPEG1 0
#define FF_QSCALE_TYPE_MPEG2 1
@ -477,6 +488,11 @@ typedef struct AVPanScan{
#define FF_SI_TYPE 5
#define FF_SP_TYPE 6
#define FF_BUFFER_HINTS_VALID 0x01 // Buffer hints value is meaningful (if 0 ignore)
#define FF_BUFFER_HINTS_READABLE 0x02 // Codec will read from buffer
#define FF_BUFFER_HINTS_PRESERVE 0x04 // User must not alter buffer content
#define FF_BUFFER_HINTS_REUSABLE 0x08 // Codec will reuse the buffer (update)
/**
* Audio Video Frame.
*/
@ -1366,6 +1382,13 @@ typedef struct AVCodecContext {
*/
int noise_reduction;
/**
* Conditional replenishment support
* - encoding: unused
* - decoding: set by user, if 1 user can allocate reusable buffers
*/
int cr_available;
} AVCodecContext;

1
libavcodec/utils.c
View File

@ -326,6 +326,7 @@ void avcodec_get_context_defaults(AVCodecContext *s){
s->intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
s->inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
s->palctrl = NULL;
s->cr_available = 0;
}
/**