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ffmpegdec: improve error message when set_caps is called but we have no mapping

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This may happen e.g. if gst-ffmpeg is compiled against an external
libavcodec and the external lib is upgraded.

See e.g.
https://bugzilla.gnome.org/show_bug.cgi?id=640825
This commit is contained in:
Tim-Philipp Müller 2011-01-31 23:28:33 +00:00
parent a2a4ee93c4
commit 8d40c6357d
1 changed files with 16 additions and 3 deletions
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19
ext/ffmpeg/gstffmpegdec.c
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@ -1294,9 +1294,22 @@ gst_ffmpegdec_negotiate (GstFFMpegDec * ffmpegdec, gboolean force)
/* ERRORS */
no_caps:
{
GST_ELEMENT_ERROR (ffmpegdec, CORE, NEGOTIATION, (NULL),
("could not find caps for codec (%s), unknown type",
oclass->in_plugin->name));
#ifdef HAVE_FFMPEG_UNINSTALLED
/* using internal ffmpeg snapshot */
GST_ELEMENT_ERROR (ffmpegdec, CORE, NEGOTIATION,
("Could not find GStreamer caps mapping for FFmpeg codec '%s'.",
oclass->in_plugin->name), (NULL));
#else
/* using external ffmpeg */
GST_ELEMENT_ERROR (ffmpegdec, CORE, NEGOTIATION,
("Could not find GStreamer caps mapping for FFmpeg codec '%s', and "
"you are using an external libavcodec. This is most likely due to "
"a packaging problem and/or libavcodec having been upgraded to a "
"version that is not compatible with this version of "
"gstreamer-ffmpeg. Make sure your gstreamer-ffmpeg and libavcodec "
"packages come from the same source/repository.",
oclass->in_plugin->name), (NULL));
#endif
return FALSE;
}
caps_failed: