int ret = 0;
switch (frame->format) {
case AV_PIX_FMT_YUV420P:
- if (frame->linesize[0] < 0 || frame->linesize[1] < 0 || frame->linesize[2] < 0) {
- av_log(NULL, AV_LOG_ERROR, "Negative linesize is not supported for YUV.\n");
+ if (frame->linesize[0] > 0 && frame->linesize[1] > 0 && frame->linesize[2] > 0) {
+ ret = SDL_UpdateYUVTexture(tex, NULL, frame->data[0], frame->linesize[0],
+ frame->data[1], frame->linesize[1],
+ frame->data[2], frame->linesize[2]);
+ } else if (frame->linesize[0] < 0 && frame->linesize[1] < 0 && frame->linesize[2] < 0) {
+ ret = SDL_UpdateYUVTexture(tex, NULL, frame->data[0] + frame->linesize[0] * (frame->height - 1), -frame->linesize[0],
+ frame->data[1] + frame->linesize[1] * (AV_CEIL_RSHIFT(frame->height, 1) - 1), -frame->linesize[1],
+ frame->data[2] + frame->linesize[2] * (AV_CEIL_RSHIFT(frame->height, 1) - 1), -frame->linesize[2]);
+ } else {
+ av_log(NULL, AV_LOG_ERROR, "Mixed negative and positive linesizes are not supported.\n");
return -1;
}
- ret = SDL_UpdateYUVTexture(tex, NULL, frame->data[0], frame->linesize[0],
- frame->data[1], frame->linesize[1],
- frame->data[2], frame->linesize[2]);
break;
case AV_PIX_FMT_BGRA:
if (frame->linesize[0] < 0) {