RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2024-12-27 18:02:11 +00:00
Code Issues Projects Releases Wiki Activity

Merge commit 'e63b818dbe6060b606ae10eb184859f8b97d2353'

Browse Source 
* commit 'e63b818dbe6060b606ae10eb184859f8b97d2353':
  dv: Properly split decoder and encoder initialization

Conflicts:
	libavcodec/dv.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-06-27 19:13:34 +02:00
commit 3ac5114530
3 changed files with 39 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
libavcodec/dv.c
View File

@ -235,7 +235,6 @@ int ff_dv_init_dynamic_tables(DVVideoContext *ctx, const DVprofile *d)
av_cold int ff_dvvideo_init(AVCodecContext *avctx)
{
DVVideoContext *s = avctx->priv_data;
DSPContext dsp;
static int done = 0;
int i, j;
@ -292,30 +291,6 @@ av_cold int ff_dvvideo_init(AVCodecContext *avctx)
ff_free_vlc(&dv_vlc);
}
/* Generic DSP setup */
memset(&dsp,0, sizeof(dsp));
ff_dsputil_init(&dsp, avctx);
ff_set_cmp(&dsp, dsp.ildct_cmp, avctx->ildct_cmp);
s->get_pixels = dsp.get_pixels;
s->ildct_cmp = dsp.ildct_cmp[5];
/* 88DCT setup */
s->fdct[0] = dsp.fdct;
s->idct_put[0] = dsp.idct_put;
for (i = 0; i < 64; i++)
s->dv_zigzag[0][i] = dsp.idct_permutation[ff_zigzag_direct[i]];
/* 248DCT setup */
s->fdct[1] = dsp.fdct248;
s->idct_put[1] = ff_simple_idct248_put; // FIXME: need to add it to DSP
if (avctx->lowres){
for (i = 0; i < 64; i++){
int j = ff_dv_zigzag248_direct[i];
s->dv_zigzag[1][i] = dsp.idct_permutation[(j & 7) + (j & 8) * 4 + (j & 48) / 2];
}
}else
memcpy(s->dv_zigzag[1], ff_dv_zigzag248_direct, sizeof(s->dv_zigzag[1]));
s->avctx = avctx;
avctx->chroma_sample_location = AVCHROMA_LOC_TOPLEFT;

28
libavcodec/dvdec.c
View File

@ -59,6 +59,32 @@ typedef struct BlockInfo {
static const int dv_iweight_bits = 14;
static av_cold int dvvideo_decode_init(AVCodecContext *avctx)
{
DVVideoContext *s = avctx->priv_data;
DSPContext dsp;
int i;
memset(&dsp,0, sizeof(dsp));
ff_dsputil_init(&dsp, avctx);
for (i = 0; i < 64; i++)
s->dv_zigzag[0][i] = dsp.idct_permutation[ff_zigzag_direct[i]];
if (avctx->lowres){
for (i = 0; i < 64; i++){
int j = ff_dv_zigzag248_direct[i];
s->dv_zigzag[1][i] = dsp.idct_permutation[(j & 7) + (j & 8) * 4 + (j & 48) / 2];
}
}else
memcpy(s->dv_zigzag[1], ff_dv_zigzag248_direct, sizeof(s->dv_zigzag[1]));
s->idct_put[0] = dsp.idct_put;
s->idct_put[1] = ff_simple_idct248_put;
return ff_dvvideo_init(avctx);
}
/* decode AC coefficients */
static void dv_decode_ac(GetBitContext *gb, BlockInfo *mb, int16_t *block)
{
@ -385,7 +411,7 @@ AVCodec ff_dvvideo_decoder = {
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_DVVIDEO,
.priv_data_size = sizeof(DVVideoContext),
.init = ff_dvvideo_init,
.init = dvvideo_decode_init,
.decode = dvvideo_decode_frame,
.capabilities = CODEC_CAP_DR1 | CODEC_CAP_SLICE_THREADS,
.max_lowres = 3,

12
libavcodec/dvenc.c
View File

@ -28,6 +28,7 @@
#include "libavutil/pixdesc.h"
#include "config.h"
#include "avcodec.h"
#include "dsputil.h"
#include "internal.h"
#include "put_bits.h"
#include "dv.h"
@ -36,6 +37,7 @@
static av_cold int dvvideo_encode_init(AVCodecContext *avctx)
{
DVVideoContext *s = avctx->priv_data;
DSPContext dsp;
int ret;
s->sys = avpriv_dv_codec_profile(avctx);
@ -62,6 +64,16 @@ static av_cold int dvvideo_encode_init(AVCodecContext *avctx)
dv_vlc_map_tableinit();
memset(&dsp,0, sizeof(dsp));
ff_dsputil_init(&dsp, avctx);
ff_set_cmp(&dsp, dsp.ildct_cmp, avctx->ildct_cmp);
s->get_pixels = dsp.get_pixels;
s->ildct_cmp = dsp.ildct_cmp[5];
s->fdct[0] = dsp.fdct;
s->fdct[1] = dsp.fdct248;
return ff_dvvideo_init(avctx);
}