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swscale: Forward colorspace updates to the 2nd cascaded context in case of alphablend

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The first just does the blending and wouldnt do anything with the colorspace values

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-09-10 17:01:47 +02:00
parent 21c7272859
commit d730dd8c53
2 changed files with 4 additions and 2 deletions
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1
libswscale/swscale_internal.h
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@ -322,6 +322,7 @@ typedef struct SwsContext {
uint8_t *cascaded_tmp[4];
int cascaded1_tmpStride[4];
uint8_t *cascaded1_tmp[4];
int cascaded_mainindex;
double gamma_value;
int gamma_flag;

5
libswscale/utils.c
View File

@ -858,8 +858,8 @@ 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 (c->cascaded_context[0])
return sws_setColorspaceDetails(c->cascaded_context[0],inv_table, srcRange,table, dstRange, brightness, contrast, saturation);
if (c->cascaded_context[c->cascaded_mainindex])
return sws_setColorspaceDetails(c->cascaded_context[c->cascaded_mainindex],inv_table, srcRange,table, dstRange, brightness, contrast, saturation);
if ((isYUV(c->dstFormat) || isGray(c->dstFormat)) && (isYUV(c->srcFormat) || isGray(c->srcFormat))) {
if (!c->cascaded_context[0] &&
@ -1485,6 +1485,7 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
usesHFilter || usesVFilter ||
c->srcRange != c->dstRange
) {
c->cascaded_mainindex = 1;
ret = av_image_alloc(c->cascaded_tmp, c->cascaded_tmpStride,
srcW, srcH, tmpFormat, 64);
if (ret < 0)