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h263/p encoder: add 'obmc' private option.

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Deprecate CODEC_FLAG_OBMC
This commit is contained in:
Anton Khirnov
2011-08-27 10:16:14 +02:00
parent e3922d1110
commit 0d904de89d
3 changed files with 24 additions and 8 deletions
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2
libavcodec/avcodec.h
View File

@@ -606,8 +606,8 @@ typedef struct RcOverride{
#define CODEC_FLAG_QP_RD 0x08000000 ///< Use rate distortion optimization for qp selectioon.
#if FF_API_MPEGVIDEO_GLOBAL_OPTS
#define CODEC_FLAG_H263P_AIV 0x00000008 ///< H.263 alternative inter VLC
#endif
#define CODEC_FLAG_OBMC 0x00000001 ///< OBMC
#endif
#define CODEC_FLAG_LOOP_FILTER 0x00000800 ///< loop filter
#define CODEC_FLAG_H263P_SLICE_STRUCT 0x10000000
#define CODEC_FLAG_INTERLACED_ME 0x20000000 ///< interlaced motion estimation

28
libavcodec/mpegvideo_enc.c
View File

@@ -337,12 +337,12 @@ av_cold int MPV_encode_init(AVCodecContext *avctx)
|| (s->flags&CODEC_FLAG_QP_RD))
&& !s->fixed_qscale;
s->obmc= !!(s->flags & CODEC_FLAG_OBMC);
s->loop_filter= !!(s->flags & CODEC_FLAG_LOOP_FILTER);
#if FF_API_MPEGVIDEO_GLOBAL_OPTS
s->alternate_scan= !!(s->flags & CODEC_FLAG_ALT_SCAN);
s->intra_vlc_format= !!(s->flags2 & CODEC_FLAG2_INTRA_VLC);
s->q_scale_type= !!(s->flags2 & CODEC_FLAG2_NON_LINEAR_QUANT);
s->obmc= !!(s->flags & CODEC_FLAG_OBMC);
#endif
if(avctx->rc_max_rate && !avctx->rc_buffer_size){
@@ -396,10 +396,12 @@ av_cold int MPV_encode_init(AVCodecContext *avctx)
return -1;
}
#if FF_API_MPEGVIDEO_GLOBAL_OPTS
if(s->obmc && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P){
av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with H263(+)\n");
return -1;
}
#endif
if(s->quarter_sample && s->codec_id != CODEC_ID_MPEG4){
av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
@@ -598,7 +600,6 @@ av_cold int MPV_encode_init(AVCodecContext *avctx)
return -1;
}
s->out_format = FMT_H263;
s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
avctx->delay=0;
s->low_delay=1;
break;
@@ -614,7 +615,6 @@ av_cold int MPV_encode_init(AVCodecContext *avctx)
#endif
s->h263_aic= (avctx->flags & CODEC_FLAG_AC_PRED) ? 1:0;
s->modified_quant= s->h263_aic;
s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
s->loop_filter= (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1:0;
s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
s->h263_slice_structured= (s->flags & CODEC_FLAG_H263P_SLICE_STRUCT) ? 1:0;
@@ -3783,6 +3783,20 @@ int dct_quantize_c(MpegEncContext *s,
return last_non_zero;
}
#define OFFSET(x) offsetof(MpegEncContext, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption h263_options[] = {
{ "obmc", "use overlapped block motion compensation.", OFFSET(obmc), FF_OPT_TYPE_INT, { 0 }, 0, 1, VE },
{ NULL },
};
static const AVClass h263_class = {
.class_name = "H.263 encoder",
.item_name = av_default_item_name,
.option = h263_options,
.version = LIBAVUTIL_VERSION_INT,
};
AVCodec ff_h263_encoder = {
.name = "h263",
.type = AVMEDIA_TYPE_VIDEO,
@@ -3793,19 +3807,19 @@ AVCodec ff_h263_encoder = {
.close = MPV_encode_end,
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
.long_name= NULL_IF_CONFIG_SMALL("H.263 / H.263-1996"),
.priv_class = &h263_class,
};
#define OFFSET(x) offsetof(MpegEncContext, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
static const AVOption h263p_options[] = {
{ "umv", "Use unlimited motion vectors.", OFFSET(umvplus), FF_OPT_TYPE_INT, { 0 }, 0, 1, VE },
{ "aiv", "Use alternative inter VLC.", OFFSET(alt_inter_vlc), FF_OPT_TYPE_INT, { 0 }, 0, 1, VE },
{ "obmc", "use overlapped block motion compensation.", OFFSET(obmc), FF_OPT_TYPE_INT, { 0 }, 0, 1, VE },
{ NULL },
};
static const AVClass h263p_class = {
.class_name = "H.263p encoder",
.item_name = av_default_item_name,
.option = options,
.option = h263p_options,
.version = LIBAVUTIL_VERSION_INT,
};

2
libavcodec/options.c
View File

@@ -75,7 +75,9 @@ static const AVOption options[]={
{"bt", "set video bitrate tolerance (in bits/s)", OFFSET(bit_rate_tolerance), FF_OPT_TYPE_INT, {.dbl = AV_CODEC_DEFAULT_BITRATE*20 }, 1, INT_MAX, V|E},
{"flags", NULL, OFFSET(flags), FF_OPT_TYPE_FLAGS, {.dbl = DEFAULT }, 0, UINT_MAX, V|A|E|D, "flags"},
{"mv4", "use four motion vector by macroblock (mpeg4)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_4MV }, INT_MIN, INT_MAX, V|E, "flags"},
#if FF_API_MPEGVIDEO_GLOBAL_OPTS
{"obmc", "use overlapped block motion compensation (h263+)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_OBMC }, INT_MIN, INT_MAX, V|E, "flags"},
#endif
{"qpel", "use 1/4 pel motion compensation", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_QPEL }, INT_MIN, INT_MAX, V|E, "flags"},
{"loop", "use loop filter", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_LOOP_FILTER }, INT_MIN, INT_MAX, V|E, "flags"},
{"qscale", "use fixed qscale", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_QSCALE }, INT_MIN, INT_MAX, 0, "flags"},