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authorReimar Döffinger <Reimar.Doeffinger@gmx.de>2012-01-22 00:12:34 +0100
committerReimar Döffinger <Reimar.Doeffinger@gmx.de>2012-01-22 14:41:15 +0100
commitb4ec645f471faa5142ce492e39c7527eddda46de (patch)
treef3b8cdf0ef37be64d05e70d22707f4ec571a9602 /libavcodec
parentb64b1608d8e202ae815bc7c5ee2b89f0255c2db3 (diff)
downloadffmpeg-b4ec645f471faa5142ce492e39c7527eddda46de.tar.gz
Extract some duplicated code.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/fraps.c36
1 files changed, 14 insertions, 22 deletions
diff --git a/libavcodec/fraps.c b/libavcodec/fraps.c
index c3e73f4ca1..db0e85fd6a 100644
--- a/libavcodec/fraps.c
+++ b/libavcodec/fraps.c
@@ -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;