[FFmpeg-cvslog] mpegvideo: Drop exchange_uv() function and use its code directly
Vittorio Giovara
git at videolan.org
Thu May 28 21:34:32 CEST 2015
ffmpeg | branch: master | Vittorio Giovara <vittorio.giovara at gmail.com> | Fri May 22 19:50:10 2015 +0100| [419e3404d07acaac019e8f363c281e17c3a3d622] | committer: Vittorio Giovara
mpegvideo: Drop exchange_uv() function and use its code directly
Code is small enough that there is no advantage in a separate function.
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=419e3404d07acaac019e8f363c281e17c3a3d622
---
libavcodec/mpegvideo.c | 27 ++++++++++++++-------------
1 file changed, 14 insertions(+), 13 deletions(-)
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index f81e357..10ace8d 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -765,15 +765,6 @@ fail:
return ret;
}
-static void exchange_uv(MpegEncContext *s)
-{
- int16_t (*tmp)[64];
-
- tmp = s->pblocks[4];
- s->pblocks[4] = s->pblocks[5];
- s->pblocks[5] = tmp;
-}
-
static int init_duplicate_context(MpegEncContext *s)
{
int y_size = s->b8_stride * (2 * s->mb_height + 1);
@@ -804,8 +795,13 @@ static int init_duplicate_context(MpegEncContext *s)
for (i = 0; i < 12; i++) {
s->pblocks[i] = &s->block[i];
}
- if (s->avctx->codec_tag == AV_RL32("VCR2"))
- exchange_uv(s);
+ if (s->avctx->codec_tag == AV_RL32("VCR2")) {
+ // exchange uv
+ int16_t (*tmp)[64];
+ tmp = s->pblocks[4];
+ s->pblocks[4] = s->pblocks[5];
+ s->pblocks[5] = tmp;
+ }
if (s->out_format == FMT_H263) {
/* ac values */
@@ -880,8 +876,13 @@ int ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src)
for (i = 0; i < 12; i++) {
dst->pblocks[i] = &dst->block[i];
}
- if (dst->avctx->codec_tag == AV_RL32("VCR2"))
- exchange_uv(dst);
+ if (dst->avctx->codec_tag == AV_RL32("VCR2")) {
+ // exchange uv
+ int16_t (*tmp)[64];
+ tmp = dst->pblocks[4];
+ dst->pblocks[4] = dst->pblocks[5];
+ dst->pblocks[5] = tmp;
+ }
if (!dst->edge_emu_buffer &&
(ret = frame_size_alloc(dst, dst->linesize)) < 0) {
av_log(dst->avctx, AV_LOG_ERROR, "failed to allocate context "
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