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| author | Michael Niedermayer <michael@niedermayer.cc> | 2016-01-14 15:11:48 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2016-01-15 17:39:05 +0100 |
| commit | 4089af67ab93b062f1b91c72d6a60547029235c8 (patch) | |
| tree | 335098fdd4bdfdf432f54a794f7a82017578d763 /libswscale | |
| parent | dc6a9162a2d26b4fea089e00bd574f67d9ee4e91 (diff) | |
| download | ffmpeg-4089af67ab93b062f1b91c72d6a60547029235c8.tar.gz | |
swscale/utils: Detect and skip unneeded sws_setColorspaceDetails() calls
This avoids running various table inits unnecessarily
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit cc538e9dbd14b61d1ac8c9fa687d83289673fe90)
Conflicts:
libswscale/utils.c
Diffstat (limited to 'libswscale')
| -rw-r--r-- | libswscale/utils.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/libswscale/utils.c b/libswscale/utils.c index 82c8e5e532..4032b5701a 100644 --- a/libswscale/utils.c +++ b/libswscale/utils.c @@ -818,8 +818,6 @@ int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4], const AVPixFmtDescriptor *desc_dst; const AVPixFmtDescriptor *desc_src; int need_reinit = 0; - memmove(c->srcColorspaceTable, inv_table, sizeof(int) * 4); - memmove(c->dstColorspaceTable, table, sizeof(int) * 4); handle_formats(c); desc_dst = av_pix_fmt_desc_get(c->dstFormat); @@ -830,11 +828,24 @@ int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4], if(!isYUV(c->srcFormat) && !isGray(c->srcFormat)) srcRange = 0; + if (c->srcRange != srcRange || + c->dstRange != dstRange || + c->brightness != brightness || + c->contrast != contrast || + c->saturation != saturation || + memcmp(c->srcColorspaceTable, inv_table, sizeof(int) * 4) || + memcmp(c->dstColorspaceTable, table, sizeof(int) * 4) + ) + need_reinit = 1; + + memmove(c->srcColorspaceTable, inv_table, sizeof(int) * 4); + memmove(c->dstColorspaceTable, table, sizeof(int) * 4); + + + c->brightness = brightness; c->contrast = contrast; c->saturation = saturation; - if (c->srcRange != srcRange || c->dstRange != dstRange) - need_reinit = 1; c->srcRange = srcRange; c->dstRange = dstRange; @@ -849,6 +860,9 @@ int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4], c->dstFormatBpp = av_get_bits_per_pixel(desc_dst); c->srcFormatBpp = av_get_bits_per_pixel(desc_src); + if (!need_reinit) + return 0; + if (!isYUV(c->dstFormat) && !isGray(c->dstFormat)) { ff_yuv2rgb_c_init_tables(c, inv_table, srcRange, brightness, contrast, saturation); |