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Code Issues Releases Activity

snow: add 'memc_only' private option.

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Deprecate CODEC_FLAG2_MEMC_ONLY
This commit is contained in:
Anton Khirnov 2011-08-27 10:16:14 +02:00
parent 0dc5e12f1e
commit 0cc06b9e23
3 changed files with 25 additions and 2 deletions
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2
libavcodec/avcodec.h
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@ -619,7 +619,9 @@ typedef struct RcOverride{
#if FF_API_MPEGVIDEO_GLOBAL_OPTS
#define CODEC_FLAG2_INTRA_VLC 0x00000800 ///< Use MPEG-2 intra VLC table.
#endif
#if FF_API_SNOW_GLOBAL_OPTS
#define CODEC_FLAG2_MEMC_ONLY 0x00001000 ///< Only do ME/MC (I frames -> ref, P frame -> ME+MC).
#endif
#if FF_API_MPEGVIDEO_GLOBAL_OPTS
#define CODEC_FLAG2_DROP_FRAME_TIMECODE 0x00002000 ///< timecode is in drop frame format.
#endif

22
libavcodec/snow.c
View File

@ -19,6 +19,8 @@
*/
#include "libavutil/intmath.h"
#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "avcodec.h"
#include "dsputil.h"
#include "dwt.h"
@ -199,7 +201,7 @@ typedef struct Plane{
}Plane;
typedef struct SnowContext{
AVClass *class;
AVCodecContext *avctx;
RangeCoder c;
DSPContext dsp;
@ -252,6 +254,7 @@ typedef struct SnowContext{
int me_cache[ME_CACHE_SIZE];
int me_cache_generation;
slice_buffer sb;
int memc_only;
MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to eventually make the motion estimation independent of MpegEncContext, so this will be removed then (FIXME/XXX)
@ -3518,7 +3521,7 @@ redo_frame:
int x, y;
// int bits= put_bits_count(&s->c.pb);
if(!(avctx->flags2 & CODEC_FLAG2_MEMC_ONLY)){
if (!s->memc_only) {
//FIXME optimize
if(pict->data[plane_index]) //FIXME gray hack
for(y=0; y<h; y++){
@ -3676,6 +3679,20 @@ static av_cold int encode_end(AVCodecContext *avctx)
return 0;
}
#define OFFSET(x) offsetof(SnowContext, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
{ "memc_only", "Only do ME/MC (I frames -> ref, P frame -> ME+MC).", OFFSET(memc_only), FF_OPT_TYPE_INT, { 0 }, 0, 1, VE },
{ NULL },
};
static const AVClass snowenc_class = {
.class_name = "snow encoder",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
};
AVCodec ff_snow_encoder = {
.name = "snow",
.type = AVMEDIA_TYPE_VIDEO,
@ -3685,5 +3702,6 @@ AVCodec ff_snow_encoder = {
.encode = encode_frame,
.close = encode_end,
.long_name = NULL_IF_CONFIG_SMALL("Snow"),
.priv_class = &snowenc_class,
};
#endif

3
libavcodec/version.h
View File

@ -92,5 +92,8 @@
#ifndef FF_API_LAME_GLOBAL_OPTS
#define FF_API_LAME_GLOBAL_OPTS (LIBAVCODEC_VERSION_MAJOR < 54)
#endif
#ifndef FF_API_SNOW_GLOBAL_OPTS
#define FF_API_SNOW_GLOBAL_OPTS (LIBAVCODEC_VERSION_MAJOR < 54)
#endif
#endif /* AVCODEC_VERSION_H */