ffmpeg_filter: fix hwaccel transcoding

Based on a patch by Yogender Gupta <ygupta@nvidia.com>
8 years ago · ca7cdffb70
parent 7112b56a34
commit ca7cdffb70
1 changed files with 3 additions and 2 deletions
--- a/ffmpeg_filter.c
+++ b/ffmpeg_filter.c
@ -1142,8 +1142,9 @@ int ifilter_parameters_from_decoder(InputFilter *ifilter, const AVCodecContext *
    ifilter->channels            = avctx->channels;
    ifilter->channel_layout      = avctx->channel_layout;

-    if (avctx->hw_frames_ctx) {
-        ifilter->hw_frames_ctx = av_buffer_ref(avctx->hw_frames_ctx);
+    if (ifilter->ist && ifilter->ist->hw_frames_ctx) {
+        ifilter->format = ifilter->ist->resample_pix_fmt;
+        ifilter->hw_frames_ctx = av_buffer_ref(ifilter->ist->hw_frames_ctx);
        if (!ifilter->hw_frames_ctx)
            return AVERROR(ENOMEM);
    }