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mxfmetadata: Add workaround for ffmpeg only writing one Video Line Map value

Browse source 
https://ffmpeg.org/pipermail/ffmpeg-devel/2016-January/188202.html
This commit is contained in:
Sebastian Dröge 2016-01-28 15:29:01 +01:00
parent 87031b14cb
commit 3a72574c59
1 changed files with 14 additions and 4 deletions
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18
gst/mxf/mxfmetadata.c
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@ -4424,15 +4424,25 @@ mxf_metadata_generic_picture_essence_descriptor_handle_tag (MXFMetadataBase *
if (GST_READ_UINT32_BE (tag_data) == 0)
return TRUE;
if (GST_READ_UINT32_BE (tag_data) != 2 &&
GST_READ_UINT32_BE (tag_data + 4) != 4)
if (GST_READ_UINT32_BE (tag_data + 4) != 4)
goto error;
if (tag_size != 16)
if (GST_READ_UINT32_BE (tag_data) != 1 &&
GST_READ_UINT32_BE (tag_data) != 2)
goto error;
if ((GST_READ_UINT32_BE (tag_data) == 1 && tag_size != 12) ||
(GST_READ_UINT32_BE (tag_data) == 2 && tag_size != 16))
goto error;
self->video_line_map[0] = GST_READ_UINT32_BE (tag_data + 8);
self->video_line_map[1] = GST_READ_UINT32_BE (tag_data + 12);
/* Workaround for files created by ffmpeg */
if (GST_READ_UINT32_BE (tag_data) == 1)
self->video_line_map[0] = 0;
else
self->video_line_map[1] = GST_READ_UINT32_BE (tag_data + 12);
GST_DEBUG (" video line map = {%i, %i}", self->video_line_map[0],
self->video_line_map[1]);
break;