ffmpeg: Use the decoders dimensions in sub2video_get_blank_frame()

Fixes Ticket4744 part3 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
10 years ago · 4ada49f9db
parent bd5d11d9f5
commit 4ada49f9db
1 changed files with 2 additions and 2 deletions
--- a/ffmpeg.c
+++ b/ffmpeg.c
@ -172,8 +172,8 @@ static int sub2video_get_blank_frame(InputStream *ist)
    AVFrame *frame = ist->sub2video.frame;

    av_frame_unref(frame);
-    ist->sub2video.frame->width  = ist->sub2video.w;
-    ist->sub2video.frame->height = ist->sub2video.h;
+    ist->sub2video.frame->width  = ist->dec_ctx->width  ? ist->dec_ctx->width  : ist->sub2video.w;
+    ist->sub2video.frame->height = ist->dec_ctx->height ? ist->dec_ctx->height : ist->sub2video.h;
    ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
    if ((ret = av_frame_get_buffer(frame, 32)) < 0)
        return ret;