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ati vcr2 uv swap 

Originally committed as revision 2084 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2003-07-26 00:49:46 +00:00
parent 0c938bd102
commit ff862be5ed
1 changed files with 16 additions and 0 deletions
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16
libavcodec/mpeg12.c
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@ -1791,6 +1791,12 @@ static void mpeg_decode_extension(AVCodecContext *avctx,
} }
} }
static void exchange_uv(AVFrame *f){
uint8_t *t= f->data[1];
f->data[1]= f->data[2];
f->data[2]= t;
}
#define DECODE_SLICE_FATAL_ERROR -2 #define DECODE_SLICE_FATAL_ERROR -2
#define DECODE_SLICE_ERROR -1 #define DECODE_SLICE_ERROR -1
#define DECODE_SLICE_OK 0 #define DECODE_SLICE_OK 0
@ -1945,8 +1951,14 @@ static int mpeg_decode_slice(AVCodecContext *avctx,
MPV_decode_mb(s, s->block); MPV_decode_mb(s, s->block);
if (++s->mb_x >= s->mb_width) { if (++s->mb_x >= s->mb_width) {
if(s->avctx->codec_tag == ff_get_fourcc("VCR2"))
exchange_uv((AVFrame*)s->current_picture_ptr);
ff_draw_horiz_band(s, 16*s->mb_y, 16); ff_draw_horiz_band(s, 16*s->mb_y, 16);
if(s->avctx->codec_tag == ff_get_fourcc("VCR2"))
exchange_uv((AVFrame*)s->current_picture_ptr);
s->mb_x = 0; s->mb_x = 0;
s->mb_y++; s->mb_y++;
@ -2033,6 +2045,9 @@ static int slice_end(AVCodecContext *avctx, AVFrame *pict)
ff_print_debug_info(s, s->last_picture_ptr); ff_print_debug_info(s, s->last_picture_ptr);
} }
} }
if(s->avctx->codec_tag == ff_get_fourcc("VCR2"))
exchange_uv(pict);
return 1; return 1;
} else { } else {
return 0; return 0;
@ -2164,6 +2179,7 @@ static int vcr2_init_sequence(AVCodecContext *avctx)
s->width = avctx->width; s->width = avctx->width;
s->height = avctx->height; s->height = avctx->height;
avctx->has_b_frames= 0; //true? avctx->has_b_frames= 0; //true?
s->low_delay= 1;
s->avctx = avctx; s->avctx = avctx;
if (MPV_common_init(s) < 0) if (MPV_common_init(s) < 0)