+
+ if (c->gamma_flag && c->cascaded_context[0]) {
+
+
+ ret = sws_scale(c->cascaded_context[0],
+ srcSlice, srcStride, srcSliceY, srcSliceH,
+ c->cascaded_tmp, c->cascaded_tmpStride);
+
+ if (ret < 0)
+ return ret;
+
+ if (c->cascaded_context[2])
+ ret = sws_scale(c->cascaded_context[1], (const uint8_t * const *)c->cascaded_tmp, c->cascaded_tmpStride, srcSliceY, srcSliceH, c->cascaded1_tmp, c->cascaded1_tmpStride);
+ else
+ ret = sws_scale(c->cascaded_context[1], (const uint8_t * const *)c->cascaded_tmp, c->cascaded_tmpStride, srcSliceY, srcSliceH, dst, dstStride);
+
+ if (ret < 0)
+ return ret;
+
+ if (c->cascaded_context[2]) {
+ ret = sws_scale(c->cascaded_context[2],
+ (const uint8_t * const *)c->cascaded1_tmp, c->cascaded1_tmpStride, c->cascaded_context[1]->dstY - ret, c->cascaded_context[1]->dstY,
+ dst, dstStride);
+ }
+ return ret;
+ }
+