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vtdec: avoid segfault when output isn't configured

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This can help when the callback is called during/after videodecoder
base class shut down

https://bugzilla.gnome.org/show_bug.cgi?id=728435
This commit is contained in:
Thiago Santos 2014-07-02 04:54:29 -03:00
parent f75f860ff3
commit 92dbcf2bf9
1 changed files with 14 additions and 0 deletions
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14
sys/applemedia/vtdec.c
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@ -530,6 +530,13 @@ gst_vtdec_session_output_callback (void *decompression_output_ref_con,
/* FIXME: use gst_video_decoder_allocate_output_buffer */
state = gst_video_decoder_get_output_state (GST_VIDEO_DECODER (vtdec));
if (state == NULL) {
GST_WARNING_OBJECT (vtdec, "Output state not configured, release buffer");
/* release as this usually means that the baseclass isn't ready to do
* the QoS that _drop requires and will lead to an assertion with the
* segment.format being undefined */
goto release;
}
buf = gst_core_video_buffer_new (image_buffer, &state->info);
gst_video_codec_state_unref (state);
frame->output_buffer = buf;
@ -548,6 +555,13 @@ drop:
GST_WARNING_OBJECT (vtdec, "Frame dropped %p %d", frame,
frame->decode_frame_number);
gst_video_decoder_drop_frame (GST_VIDEO_DECODER (vtdec), frame);
return;
release:
GST_WARNING_OBJECT (vtdec, "Frame released %p %d", frame,
frame->decode_frame_number);
gst_video_decoder_release_frame (GST_VIDEO_DECODER (vtdec), frame);
return;
}
static GstFlowReturn