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raw rgb flip fix

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Originally committed as revision 3724 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2004-11-30 21:50:16 +00:00
parent 1b307febc4
commit 9d2a069519
2 changed files with 9 additions and 10 deletions
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9
libavcodec/raw.c
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@@ -106,6 +106,13 @@ static int raw_init_decoder(AVCodecContext *avctx)
return 0;
}
static void flip(AVCodecContext *avctx, AVPicture * picture){
if(!avctx->codec_tag && avctx->bits_per_sample && picture->linesize[1]==0){
picture->data[0] += picture->linesize[0] * (avctx->height-1);
picture->linesize[0] *= -1;
}
}
static int raw_decode(AVCodecContext *avctx,
void *data, int *data_size,
uint8_t *buf, int buf_size)
@@ -118,6 +125,7 @@ static int raw_decode(AVCodecContext *avctx,
/* Early out without copy if packet size == frame size */
if (buf_size == context->length && context->p == context->buffer) {
avpicture_fill(picture, buf, avctx->pix_fmt, avctx->width, avctx->height);
flip(avctx, picture);
*data_size = sizeof(AVPicture);
return buf_size;
}
@@ -132,6 +140,7 @@ static int raw_decode(AVCodecContext *avctx,
memcpy(context->p, buf, bytesNeeded);
context->p = context->buffer;
avpicture_fill(picture, context->buffer, avctx->pix_fmt, avctx->width, avctx->height);
flip(avctx, picture);
*data_size = sizeof(AVPicture);
return bytesNeeded;
}