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videodecoder: avoid crash when getting duration

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Check that we have a valid output_state before attempting to use it to calculate
the duration of a buffer. It is possible that we don't have a state yet, for
example when we are dropping the first buffers.
This commit is contained in:
Wim Taymans 2012-06-27 16:38:38 +02:00
parent 43e94eea98
commit c68683c15f
1 changed files with 5 additions and 0 deletions
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5
gst-libs/gst/video/gstvideodecoder.c
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@ -2342,6 +2342,11 @@ gst_video_decoder_get_frame_duration (GstVideoDecoder * decoder,
{ {
GstVideoCodecState *state = decoder->priv->output_state; GstVideoCodecState *state = decoder->priv->output_state;
/* it's possible that we don't have a state yet when we are dropping the
* initial buffers */
if (state == NULL)
return GST_CLOCK_TIME_NONE;
if (state->info.fps_d == 0 || state->info.fps_n == 0) { if (state->info.fps_d == 0 || state->info.fps_n == 0) {
return GST_CLOCK_TIME_NONE; return GST_CLOCK_TIME_NONE;
} }