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video-frame: handle map errors

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Error out when something failed
This commit is contained in:
Wim Taymans 2012-06-26 11:10:28 +02:00
parent 59e99e827e
commit 1ed29bdb90
1 changed files with 19 additions and 3 deletions
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22
gst-libs/gst/video/video-frame.c
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@ -77,8 +77,9 @@ gst_video_frame_map_id (GstVideoFrame * frame, GstVideoInfo * info,
frame->flags = meta->flags; frame->flags = meta->flags;
for (i = 0; i < info->finfo->n_planes; i++) for (i = 0; i < info->finfo->n_planes; i++)
gst_video_meta_map (meta, i, &frame->map[i], &frame->data[i], if (!gst_video_meta_map (meta, i, &frame->map[i], &frame->data[i],
&frame->info.stride[i], flags); &frame->info.stride[i], flags))
goto frame_map_failed;
} else { } else {
/* no metadata, we really need to have the metadata when the id is /* no metadata, we really need to have the metadata when the id is
* specified. */ * specified. */
@ -97,7 +98,8 @@ gst_video_frame_map_id (GstVideoFrame * frame, GstVideoInfo * info,
frame->flags |= GST_VIDEO_FRAME_FLAG_ONEFIELD; frame->flags |= GST_VIDEO_FRAME_FLAG_ONEFIELD;
} }
gst_buffer_map (buffer, &frame->map[0], flags); if (!gst_buffer_map (buffer, &frame->map[0], flags))
goto map_failed;
/* do some sanity checks */ /* do some sanity checks */
if (frame->map[0].size < info->size) if (frame->map[0].size < info->size)
@ -119,6 +121,20 @@ no_metadata:
GST_ERROR ("no GstVideoMeta for id %d", id); GST_ERROR ("no GstVideoMeta for id %d", id);
return FALSE; return FALSE;
} }
frame_map_failed:
{
GST_ERROR ("failed to map video frame plane %d", i);
do {
i--;
gst_video_meta_unmap (meta, i, &frame->map[i]);
} while (i > 0);
return FALSE;
}
map_failed:
{
GST_ERROR ("failed to map buffer");
return FALSE;
}
invalid_size: invalid_size:
{ {
GST_ERROR ("invalid buffer size %" G_GSIZE_FORMAT " < %" G_GSIZE_FORMAT, GST_ERROR ("invalid buffer size %" G_GSIZE_FORMAT " < %" G_GSIZE_FORMAT,