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Code Issues Releases Activity

skip_idct

Browse Source 
skip_frame
skip_loop_filter

Originally committed as revision 4440 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2005-07-14 21:39:36 +00:00
parent fec9ccb7e6
commit 8c3eba7c62
10 changed files with 82 additions and 15 deletions
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9
ffplay.c
View File

@ -194,6 +194,9 @@ static int workaround_bugs = 1;
static int fast = 0;
static int lowres = 0;
static int idct = FF_IDCT_AUTO;
static enum AVDiscard skip_frame= AVDISCARD_DEFAULT;
static enum AVDiscard skip_idct= AVDISCARD_DEFAULT;
static enum AVDiscard skip_loop_filter= AVDISCARD_DEFAULT;
/* current context */
static int is_full_screen;
@ -1190,6 +1193,9 @@ static int stream_component_open(VideoState *is, int stream_index)
if(lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
enc->idct_algo= idct;
if(fast) enc->flags2 |= CODEC_FLAG2_FAST;
enc->skip_frame= skip_frame;
enc->skip_idct= skip_idct;
enc->skip_loop_filter= skip_loop_filter;
if (!codec ||
avcodec_open(enc, codec) < 0)
return -1;
@ -1863,6 +1869,9 @@ const OptionDef options[] = {
{ "vismv", HAS_ARG | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
{ "fast", OPT_BOOL | OPT_EXPERT, {(void*)&fast}, "non spec compliant optimizations", "" },
{ "lowres", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&lowres}, "", "" },
{ "skiploop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_loop_filter}, "", "" },
{ "skipframe", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_frame}, "", "" },
{ "skipidct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_idct}, "", "" },
{ "idct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&idct}, "set idct algo", "algo" },
#ifdef CONFIG_NETWORK
{ "rtp_tcp", OPT_EXPERT, {(void*)&opt_rtp_tcp}, "force RTP/TCP protocol usage", "" },

35
libavcodec/avcodec.h
View File

@ -17,7 +17,8 @@ extern "C" {
#define FFMPEG_VERSION_INT 0x000409
#define FFMPEG_VERSION "CVS"
#define LIBAVCODEC_BUILD 4757
#define LIBAVCODEC_BUILD 4758
#define LIBAVCODEC_VERSION_INT FFMPEG_VERSION_INT
#define LIBAVCODEC_VERSION FFMPEG_VERSION
@ -284,6 +285,16 @@ enum AVRounding {
AV_ROUND_NEAR_INF = 5, ///< round to nearest and halfway cases away from zero
};
enum AVDiscard{
//we leave some space between them for extensions (drop some keyframes for intra only or drop just some bidir frames)
AVDISCARD_NONE =-16, ///< discard nothing
AVDISCARD_DEFAULT= 0, ///< discard useless packets like 0 size packets in avi
AVDISCARD_NONREF = 8, ///< discard all non reference
AVDISCARD_BIDIR = 16, ///< discard all bidirectional frames
AVDISCARD_NONKEY = 32, ///< discard all frames except keyframes
AVDISCARD_ALL = 48, ///< discard all
};
typedef struct RcOverride{
int start_frame;
int end_frame;
@ -858,6 +869,7 @@ typedef struct AVCodecContext {
/**
* hurry up amount.
* deprecated in favor of skip_idct and skip_frame
* - encoding: unused
* - decoding: set by user. 1-> skip b frames, 2-> skip idct/dequant too, 5-> skip everything except header
*/
@ -1807,6 +1819,27 @@ typedef struct AVCodecContext {
* - decoding: unused
*/
int me_penalty_compensation;
/**
*
* - encoding: unused
* - decoding: set by user.
*/
enum AVDiscard skip_loop_filter;
/**
*
* - encoding: unused
* - decoding: set by user.
*/
enum AVDiscard skip_idct;
/**
*
* - encoding: unused
* - decoding: set by user.
*/
enum AVDiscard skip_frame;
} AVCodecContext;

4
libavcodec/h261.c
View File

@ -970,6 +970,10 @@ retry:
/* skip everything if we are in a hurry>=5 */
if(avctx->hurry_up>=5) return get_consumed_bytes(s, buf_size);
if( (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==B_TYPE)
||(avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=I_TYPE)
|| avctx->skip_frame >= AVDISCARD_ALL)
return get_consumed_bytes(s, buf_size);
if(MPV_frame_start(s, avctx) < 0)
return -1;

4
libavcodec/h263dec.c
View File

@ -673,6 +673,10 @@ retry:
if(s->last_picture_ptr==NULL && (s->pict_type==B_TYPE || s->dropable)) return get_consumed_bytes(s, buf_size);
/* skip b frames if we are in a hurry */
if(avctx->hurry_up && s->pict_type==B_TYPE) return get_consumed_bytes(s, buf_size);
if( (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==B_TYPE)
|| (avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=I_TYPE)
|| avctx->skip_frame >= AVDISCARD_ALL)
return get_consumed_bytes(s, buf_size);
/* skip everything if we are in a hurry>=5 */
if(avctx->hurry_up>=5) return get_consumed_bytes(s, buf_size);

13
libavcodec/h264.c
View File

@ -4349,6 +4349,11 @@ static int decode_slice_header(H264Context *h){
h->slice_beta_offset = get_se_golomb(&s->gb) << 1;
}
}
if( s->avctx->skip_loop_filter >= AVDISCARD_ALL
||(s->avctx->skip_loop_filter >= AVDISCARD_NONKEY && h->slice_type != I_TYPE)
||(s->avctx->skip_loop_filter >= AVDISCARD_BIDIR && h->slice_type == B_TYPE)
||(s->avctx->skip_loop_filter >= AVDISCARD_NONREF && h->nal_ref_idc == 0))
h->deblocking_filter= 0;
#if 0 //FMO
if( h->pps.num_slice_groups > 1 && h->pps.mb_slice_group_map_type >= 3 && h->pps.mb_slice_group_map_type <= 5)
@ -7245,7 +7250,8 @@ static int decode_nal_units(H264Context *h, uint8_t *buf, int buf_size){
buf_index += consumed;
if( s->hurry_up == 1 && h->nal_ref_idc == 0 )
if( (s->hurry_up == 1 && h->nal_ref_idc == 0)
||(avctx->skip_frame >= AVDISCARD_NONREF && h->nal_ref_idc == 0))
continue;
switch(h->nal_unit_type){
@ -7261,7 +7267,7 @@ static int decode_nal_units(H264Context *h, uint8_t *buf, int buf_size){
av_log(h->s.avctx, AV_LOG_ERROR, "decode_slice_header error\n");
break;
}
if(h->redundant_pic_count==0 && s->hurry_up < 5 )
if(h->redundant_pic_count==0 && s->hurry_up < 5 && avctx->skip_frame < AVDISCARD_ALL)
decode_slice(h);
break;
case NAL_DPA:
@ -7282,7 +7288,8 @@ static int decode_nal_units(H264Context *h, uint8_t *buf, int buf_size){
init_get_bits(&h->inter_gb, ptr, bit_length);
h->inter_gb_ptr= &h->inter_gb;
if(h->redundant_pic_count==0 && h->intra_gb_ptr && s->data_partitioning && s->hurry_up < 5 )
if(h->redundant_pic_count==0 && h->intra_gb_ptr && s->data_partitioning
&& s->hurry_up < 5 && avctx->skip_frame < AVDISCARD_ALL)
decode_slice(h);
break;
case NAL_SEI:

6
libavcodec/mpeg12.c
View File

@ -3086,7 +3086,7 @@ static int mpeg_decode_frame(AVCodecContext *avctx,
/* find start next code */
start_code = find_start_code(&buf_ptr, buf_end);
if (start_code < 0){
if(s2->pict_type != B_TYPE || avctx->hurry_up==0){
if(s2->pict_type != B_TYPE || avctx->skip_frame <= AVDISCARD_DEFAULT){
if(avctx->thread_count > 1){
int i;
@ -3146,6 +3146,10 @@ static int mpeg_decode_frame(AVCodecContext *avctx,
}
/* skip b frames if we are in a hurry */
if(avctx->hurry_up && s2->pict_type==B_TYPE) break;
if( (avctx->skip_frame >= AVDISCARD_NONREF && s2->pict_type==B_TYPE)
||(avctx->skip_frame >= AVDISCARD_NONKEY && s2->pict_type!=I_TYPE)
|| avctx->skip_frame >= AVDISCARD_ALL)
break;
/* skip everything if we are in a hurry>=5 */
if(avctx->hurry_up>=5) break;

9
libavcodec/mpegvideo.c
View File

@ -3777,7 +3777,13 @@ static always_inline void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM bloc
}
/* skip dequant / idct if we are really late ;) */
if(s->hurry_up>1) return;
if(s->hurry_up>1) goto skip_idct;
if(s->avctx->skip_idct){
if( (s->avctx->skip_idct >= AVDISCARD_NONREF && s->pict_type == B_TYPE)
||(s->avctx->skip_idct >= AVDISCARD_NONKEY && s->pict_type != I_TYPE)
|| s->avctx->skip_idct >= AVDISCARD_ALL)
goto skip_idct;
}
/* add dct residue */
if(s->encoding || !( s->h263_msmpeg4 || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO
@ -3863,6 +3869,7 @@ static always_inline void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM bloc
}//gray
}
}
skip_idct:
if(!readable){
s->dsp.put_pixels_tab[0][0](s->dest[0], dest_y , linesize,16);
s->dsp.put_pixels_tab[s->chroma_x_shift][0](s->dest[1], dest_cb, uvlinesize,16 >> s->chroma_y_shift);

4
libavcodec/svq1.c
View File

@ -748,6 +748,10 @@ static int svq1_decode_frame(AVCodecContext *avctx,
if(s->pict_type==B_TYPE && s->last_picture_ptr==NULL) return buf_size;
if(avctx->hurry_up && s->pict_type==B_TYPE) return buf_size;
if( (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==B_TYPE)
||(avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=I_TYPE)
|| avctx->skip_frame >= AVDISCARD_ALL)
return buf_size;
if(MPV_frame_start(s, avctx) < 0)
return -1;

4
libavcodec/svq3.c
View File

@ -896,6 +896,10 @@ static int svq3_decode_frame (AVCodecContext *avctx,
if (avctx->hurry_up && s->pict_type == B_TYPE) return 0;
/* skip everything if we are in a hurry >= 5 */
if (avctx->hurry_up >= 5) return 0;
if( (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==B_TYPE)
||(avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=I_TYPE)
|| avctx->skip_frame >= AVDISCARD_ALL)
return 0;
if (s->next_p_frame_damaged) {
if (s->pict_type == B_TYPE)

9
libavformat/avformat.h
View File

@ -213,15 +213,6 @@ typedef struct AVIndexEntry {
int min_distance; /* min distance between this and the previous keyframe, used to avoid unneeded searching */
} AVIndexEntry;
enum AVDiscard{
//we leave some space between them for extensions (drop some keyframes for intra only or drop just some bidir frames)
AVDISCARD_NONE =-16, ///< discard nothing
AVDISCARD_DEFAULT= 0, ///< discard useless packets like 0 size packets in avi
AVDISCARD_BIDIR = 16, ///< discard all bidirectional frames
AVDISCARD_NONKEY = 32, ///< discard all frames except keyframes
AVDISCARD_ALL = 48, ///< discard all
};
typedef struct AVStream {
int index; /* stream index in AVFormatContext */
int id; /* format specific stream id */