- if (tmpFormat != AV_PIX_FMT_NONE && c->alphablend != SWS_ALPHA_BLEND_NONE)
- if (!unscaled ||
- dstFormat != tmpFormat ||
- 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)
- return ret;
-
- c->cascaded_context[0] = sws_alloc_set_opts(srcW, srcH, srcFormat,
- srcW, srcH, tmpFormat,
- flags, c->param);
- if (!c->cascaded_context[0])
- return -1;
- c->cascaded_context[0]->alphablend = c->alphablend;
- ret = sws_init_context(c->cascaded_context[0], NULL , NULL);
- if (ret < 0)
- return ret;
-
- c->cascaded_context[1] = sws_alloc_set_opts(srcW, srcH, tmpFormat,
- dstW, dstH, dstFormat,
- flags, c->param);
- if (!c->cascaded_context[1])
- return -1;
-
- c->cascaded_context[1]->srcRange = c->srcRange;
- c->cascaded_context[1]->dstRange = c->dstRange;
- ret = sws_init_context(c->cascaded_context[1], srcFilter , dstFilter);
- if (ret < 0)
- return ret;
-
- return 0;
+ if (tmpFormat != AV_PIX_FMT_NONE && c->alphablend != SWS_ALPHA_BLEND_NONE) {
+ if (!unscaled ||
+ dstFormat != tmpFormat ||
+ 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)
+ return ret;
+
+ c->cascaded_context[0] = sws_alloc_set_opts(srcW, srcH, srcFormat,
+ srcW, srcH, tmpFormat,
+ flags, c->param);
+ if (!c->cascaded_context[0])
+ return AVERROR(EINVAL);
+ c->cascaded_context[0]->alphablend = c->alphablend;
+ ret = sws_init_context(c->cascaded_context[0], NULL , NULL);
+ if (ret < 0)
+ return ret;
+
+ c->cascaded_context[1] = sws_alloc_set_opts(srcW, srcH, tmpFormat,
+ dstW, dstH, dstFormat,
+ flags, c->param);
+ if (!c->cascaded_context[1])
+ return AVERROR(EINVAL);
+
+ c->cascaded_context[1]->srcRange = c->srcRange;
+ c->cascaded_context[1]->dstRange = c->dstRange;
+ ret = sws_init_context(c->cascaded_context[1], srcFilter , dstFilter);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+ }