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ffv1: PIX_FMT_GRAY8 support

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Paul B Mahol 2012-02-14 05:39:03 +00:00 committed by Michael Niedermayer
parent d3b06399ff
commit 83e2e9315a
1 changed files with 9 additions and 4 deletions

13
libavcodec/ffv1.c

@ -32,6 +32,7 @@
#include "rangecoder.h"
#include "golomb.h"
#include "mathops.h"
#include "libavutil/pixdesc.h"
#include "libavutil/avassert.h"
#define MAX_PLANES 4
@ -902,13 +903,14 @@ static av_cold int encode_init(AVCodecContext *avctx)
return -1;
}
s->version= FFMAX(s->version, 1);
case PIX_FMT_GRAY8:
case PIX_FMT_YUV444P:
case PIX_FMT_YUV440P:
case PIX_FMT_YUV422P:
case PIX_FMT_YUV420P:
case PIX_FMT_YUV411P:
case PIX_FMT_YUV410P:
s->chroma_planes= avctx->pix_fmt == PIX_FMT_GRAY16 ? 0 : 1;
s->chroma_planes= av_pix_fmt_descriptors[avctx->pix_fmt].nb_components < 3 ? 0 : 1;
s->colorspace= 0;
break;
case PIX_FMT_YUVA444P:
@ -1593,8 +1595,11 @@ static int read_header(FFV1Context *f){
}
if(f->colorspace==0){
if(f->avctx->bits_per_raw_sample>8 && !f->transparency && !f->chroma_planes){
f->avctx->pix_fmt= PIX_FMT_GRAY16;
if(!f->transparency && !f->chroma_planes){
if (f->avctx->bits_per_raw_sample<=8)
f->avctx->pix_fmt= PIX_FMT_GRAY8;
else
f->avctx->pix_fmt= PIX_FMT_GRAY16;
}else if(f->avctx->bits_per_raw_sample<=8 && !f->transparency){
switch(16*f->chroma_h_shift + f->chroma_v_shift){
case 0x00: f->avctx->pix_fmt= PIX_FMT_YUV444P; break;
@ -1837,7 +1842,7 @@ AVCodec ff_ffv1_encoder = {
.encode = encode_frame,
.close = common_end,
.capabilities = CODEC_CAP_SLICE_THREADS,
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_YUVA420P, PIX_FMT_YUV444P, PIX_FMT_YUVA444P, PIX_FMT_YUV440P, PIX_FMT_YUV422P, PIX_FMT_YUV411P, PIX_FMT_YUV410P, PIX_FMT_0RGB32, PIX_FMT_RGB32, PIX_FMT_YUV420P16, PIX_FMT_YUV422P16, PIX_FMT_YUV444P16, PIX_FMT_YUV420P9, PIX_FMT_YUV420P10, PIX_FMT_YUV422P10, PIX_FMT_GRAY16, PIX_FMT_NONE},
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_YUVA420P, PIX_FMT_YUV444P, PIX_FMT_YUVA444P, PIX_FMT_YUV440P, PIX_FMT_YUV422P, PIX_FMT_YUV411P, PIX_FMT_YUV410P, PIX_FMT_0RGB32, PIX_FMT_RGB32, PIX_FMT_YUV420P16, PIX_FMT_YUV422P16, PIX_FMT_YUV444P16, PIX_FMT_YUV420P9, PIX_FMT_YUV420P10, PIX_FMT_YUV422P10, PIX_FMT_GRAY16, PIX_FMT_GRAY8, PIX_FMT_NONE},
.long_name= NULL_IF_CONFIG_SMALL("FFmpeg video codec #1"),
};
#endif