From d730dd8c53f58b067de27348b759f7d089f05487 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 10 Sep 2015 17:01:47 +0200 Subject: [PATCH] swscale: Forward colorspace updates to the 2nd cascaded context in case of alphablend The first just does the blending and wouldnt do anything with the colorspace values Signed-off-by: Michael Niedermayer --- libswscale/swscale_internal.h | 1 + libswscale/utils.c | 5 +++-- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h index 9676d463d1..721a9cafaa 100644 --- a/libswscale/swscale_internal.h +++ b/libswscale/swscale_internal.h @@ -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; diff --git a/libswscale/utils.c b/libswscale/utils.c index 5265157d3e..eb1c940371 100644 --- a/libswscale/utils.c +++ b/libswscale/utils.c @@ -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)