[MPlayer-users] Bad video quality with -vc ffmpeg12vdpau

[Carl Eugen Hoyos]

On Saturday 19 January 2013 04:01:16 pm Ilja Sekler wrote:
> about a week ago some changes in ffmpeg led to a very bad video quality
> when playing MPEG2

I am using attached "patch" since several days as a work-around, 
unfortunately I don't know how to correctly fix the problem.

Carl Eugen
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diff --git a/libavcodec/vdpau.c b/libavcodec/vdpau.c
index 7bf693a..bc807b2 100644
--- a/libavcodec/vdpau.c
+++ b/libavcodec/vdpau.c
@@ -52,6 +52,7 @@ int ff_vdpau_common_end_frame(AVCodecContext *avctx)
 {
     MpegEncContext * const s = avctx->priv_data;
     AVVDPAUContext *hwctx = avctx->hwaccel_context;
+return 0;
 
     if (hwctx->bitstream_buffers_used) {
         VdpVideoSurface surf = ff_vdpau_get_surface_id(s->current_picture_ptr);
diff --git a/libavcodec/vdpau_mpeg12.c b/libavcodec/vdpau_mpeg12.c
index 1761b79..620f3d9 100644
--- a/libavcodec/vdpau_mpeg12.c
+++ b/libavcodec/vdpau_mpeg12.c
@@ -35,6 +35,7 @@ static int vdpau_mpeg_start_frame(AVCodecContext *avctx,
     VdpPictureInfoMPEG1Or2 *info = &hwctx->info.mpeg;
     VdpVideoSurface ref;
     int i;
+return 0;
 
     /* fill VdpPictureInfoMPEG1Or2 struct */
     info->forward_reference  = VDP_INVALID_HANDLE;
@@ -96,7 +97,7 @@ AVHWAccel ff_mpeg1_vdpau_hwaccel = {
     .name           = "mpeg1_vdpau",
     .type           = AVMEDIA_TYPE_VIDEO,
     .id             = AV_CODEC_ID_MPEG1VIDEO,
-    .pix_fmt        = AV_PIX_FMT_VDPAU,
+    .pix_fmt        = AV_PIX_FMT_VDPAU_MPEG1,
     .start_frame    = vdpau_mpeg_start_frame,
     .end_frame      = ff_vdpau_common_end_frame,
     .decode_slice   = vdpau_mpeg_decode_slice,
@@ -108,7 +109,7 @@ AVHWAccel ff_mpeg2_vdpau_hwaccel = {
     .name           = "mpeg2_vdpau",
     .type           = AVMEDIA_TYPE_VIDEO,
     .id             = AV_CODEC_ID_MPEG2VIDEO,
-    .pix_fmt        = AV_PIX_FMT_VDPAU,
+    .pix_fmt        = AV_PIX_FMT_VDPAU_MPEG2,
     .start_frame    = vdpau_mpeg_start_frame,
     .end_frame      = ff_vdpau_common_end_frame,
     .decode_slice   = vdpau_mpeg_decode_slice,