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Extract some duplicated code. 

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
This commit is contained in:
Reimar Döffinger 2012-01-22 00:12:34 +01:00
parent b64b1608d8
commit b4ec645f47
1 changed files with 14 additions and 22 deletions
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36
libavcodec/fraps.c
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@ -155,6 +155,20 @@ static int decode_frame(AVCodecContext *avctx,
buf += header_size;
avctx->pix_fmt = version & 1 ? PIX_FMT_BGR24 : PIX_FMT_YUVJ420P;
if (version < 2) {
unsigned needed_size = avctx->width*avctx->height*3;
if (version == 0) needed_size /= 2;
needed_size += header_size;
if (buf_size != needed_size && buf_size != header_size) {
av_log(avctx, AV_LOG_ERROR,
"Invalid frame length %d (should be %d)\n",
buf_size, needed_size);
return -1;
}
}
f->pict_type = AV_PICTURE_TYPE_I;
f->key_frame = 1;
f->reference = 3;
@ -166,16 +180,6 @@ static int decode_frame(AVCodecContext *avctx,
case 0:
default:
/* Fraps v0 is a reordered YUV420 */
avctx->pix_fmt = PIX_FMT_YUVJ420P;
if ( buf_size != avctx->width*avctx->height*3/2+header_size &&
buf_size != header_size ) {
av_log(avctx, AV_LOG_ERROR,
"Invalid frame length %d (should be %d)\n",
buf_size, avctx->width*avctx->height*3/2+header_size);
return -1;
}
if ( (avctx->width % 8) != 0 || (avctx->height % 2) != 0 ) {
av_log(avctx, AV_LOG_ERROR, "Invalid frame size %dx%d\n",
avctx->width, avctx->height);
@ -211,16 +215,6 @@ static int decode_frame(AVCodecContext *avctx,
case 1:
/* Fraps v1 is an upside-down BGR24 */
avctx->pix_fmt = PIX_FMT_BGR24;
if ( buf_size != avctx->width*avctx->height*3+header_size &&
buf_size != header_size ) {
av_log(avctx, AV_LOG_ERROR,
"Invalid frame length %d (should be %d)\n",
buf_size, avctx->width*avctx->height*3+header_size);
return -1;
}
if (avctx->reget_buffer(avctx, f)) {
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
return -1;
@ -243,7 +237,6 @@ static int decode_frame(AVCodecContext *avctx,
* Fraps v2 is Huffman-coded YUV420 planes
* Fraps v4 is virtually the same
*/
avctx->pix_fmt = PIX_FMT_YUVJ420P;
if (avctx->reget_buffer(avctx, f)) {
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
return -1;
@ -281,7 +274,6 @@ static int decode_frame(AVCodecContext *avctx,
case 3:
case 5:
/* Virtually the same as version 4, but is for RGB24 */
avctx->pix_fmt = PIX_FMT_BGR24;
if (avctx->reget_buffer(avctx, f)) {
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
return -1;