virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

vc-1: Add platform-specific start code search routine to VC1DSPContext.

Browse Source 
Initialise VC1DSPContext for parser as well as for decoder.
Note, the VC-1 code doesn't actually use the function pointer yet.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Ben Avison 2014-04-16 01:51:32 +01:00 committed by Michael Niedermayer
parent 270cede3f3
commit 9d8ecdd8ca
7 changed files with 22 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
libavcodec/Makefile
View File

@ -458,7 +458,7 @@ OBJS-$(CONFIG_VB_DECODER) += vb.o
OBJS-$(CONFIG_VBLE_DECODER) += vble.o
OBJS-$(CONFIG_VC1_DECODER) += vc1dec.o vc1.o vc1data.o vc1dsp.o \
msmpeg4dec.o msmpeg4.o msmpeg4data.o \
wmv2dsp.o
wmv2dsp.o startcode.o
OBJS-$(CONFIG_VCR1_DECODER) += vcr1.o
OBJS-$(CONFIG_VMDAUDIO_DECODER) += vmdav.o
OBJS-$(CONFIG_VMDVIDEO_DECODER) += vmdav.o
@ -781,9 +781,9 @@ OBJS-$(CONFIG_PNM_PARSER) += pnm_parser.o pnm.o
OBJS-$(CONFIG_RV30_PARSER) += rv34_parser.o
OBJS-$(CONFIG_RV40_PARSER) += rv34_parser.o
OBJS-$(CONFIG_TAK_PARSER) += tak_parser.o tak.o
OBJS-$(CONFIG_VC1_PARSER) += vc1_parser.o vc1.o vc1data.o \
OBJS-$(CONFIG_VC1_PARSER) += vc1_parser.o vc1.o vc1data.o vc1dsp.o \
msmpeg4.o msmpeg4data.o mpeg4video.o \
h263.o
h263.o startcode.o
OBJS-$(CONFIG_VORBIS_PARSER) += vorbis_parser.o xiph.o
OBJS-$(CONFIG_VP3_PARSER) += vp3_parser.o
OBJS-$(CONFIG_VP8_PARSER) += vp8_parser.o

2
libavcodec/arm/Makefile
View File

@ -57,6 +57,8 @@ ARMV6-OBJS-$(CONFIG_HPELDSP) += arm/hpeldsp_init_armv6.o \
ARMV6-OBJS-$(CONFIG_MPEGAUDIODSP) += arm/mpegaudiodsp_fixed_armv6.o
ARMV6-OBJS-$(CONFIG_MLP_DECODER) += arm/mlpdsp_armv6.o
ARMV6-OBJS-$(CONFIG_VC1_DECODER) += arm/startcode_armv6.o
ARMV6-OBJS-$(CONFIG_VC1_PARSER) += arm/startcode_armv6.o
ARMV6-OBJS-$(CONFIG_VP7_DECODER) += arm/vp8_armv6.o \
arm/vp8dsp_init_armv6.o \
arm/vp8dsp_armv6.o

4
libavcodec/arm/vc1dsp_init_arm.c
View File

@ -23,10 +23,14 @@
#include "libavcodec/vc1dsp.h"
#include "vc1dsp.h"
int ff_startcode_find_candidate_armv6(const uint8_t *buf, int size);
av_cold void ff_vc1dsp_init_arm(VC1DSPContext *dsp)
{
int cpu_flags = av_get_cpu_flags();
if (have_armv6(cpu_flags))
dsp->vc1_find_start_code_candidate = ff_startcode_find_candidate_armv6;
if (have_neon(cpu_flags))
ff_vc1dsp_init_neon(dsp);
}

2
libavcodec/vc1.c
View File

@ -1706,5 +1706,7 @@ av_cold int ff_vc1_init_common(VC1Context *v)
v->pq = -1;
v->mvrange = 0; /* 7.1.1.18, p80 */
ff_vc1dsp_init(&v->vc1dsp);
return 0;
}

1
libavcodec/vc1dec.c
View File

@ -5625,7 +5625,6 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
ff_vc1_decode_end(avctx);
ff_h264chroma_init(&v->h264chroma, 8);
ff_vc1dsp_init(&v->vc1dsp);
if (avctx->codec_id == AV_CODEC_ID_WMV3 || avctx->codec_id == AV_CODEC_ID_WMV3IMAGE) {
int count = 0;

3
libavcodec/vc1dsp.c
View File

@ -32,6 +32,7 @@
#include "h264chroma.h"
#include "rnd_avg.h"
#include "vc1dsp.h"
#include "startcode.h"
/* Apply overlap transform to horizontal edge */
static void vc1_v_overlap_c(uint8_t *src, int stride)
@ -1024,6 +1025,8 @@ av_cold void ff_vc1dsp_init(VC1DSPContext *dsp)
dsp->sprite_v_double_twoscale = sprite_v_double_twoscale_c;
#endif /* CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER */
dsp->vc1_find_start_code_candidate = ff_startcode_find_candidate_c;
if (ARCH_AARCH64)
ff_vc1dsp_init_aarch64(dsp);
if (ARCH_ARM)

8
libavcodec/vc1dsp.h
View File

@ -73,6 +73,14 @@ typedef struct VC1DSPContext {
void (*sprite_v_double_twoscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1,
const uint8_t *src2a, const uint8_t *src2b, int offset2,
int alpha, int width);
/**
* Search buf from the start for up to size bytes. Return the index
* of a zero byte, or >= size if not found. Ideally, use lookahead
* to filter out any zero bytes that are known to not be followed by
* one or more further zero bytes and a one byte.
*/
int (*vc1_find_start_code_candidate)(const uint8_t *buf, int size);
} VC1DSPContext;
void ff_vc1dsp_init(VC1DSPContext* c);