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basevideodecoder: Also protect the list of pending frames from concurrent access when pushing all pendings events

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This commit is contained in:
Sebastian Dröge 2011-07-11 11:52:33 +02:00
parent 81f4c9e8bf
commit 08823f80d6
1 changed files with 12 additions and 8 deletions
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20
gst-libs/gst/video/gstbasevideodecoder.c
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@ -1356,7 +1356,7 @@ gst_base_video_decoder_finish_frame (GstBaseVideoDecoder * base_video_decoder,
GstVideoState *state = &GST_BASE_VIDEO_CODEC (base_video_decoder)->state;
GstBuffer *src_buffer;
GstFlowReturn ret = GST_FLOW_OK;
GList *l;
GList *l, *events = NULL;
GST_LOG_OBJECT (base_video_decoder, "finish frame");
#ifndef GST_DISABLE_GST_DEBUG
@ -1373,24 +1373,28 @@ gst_base_video_decoder_finish_frame (GstBaseVideoDecoder * base_video_decoder,
GST_TIME_ARGS (frame->presentation_timestamp));
/* Push all pending events that arrived before this frame */
GST_OBJECT_LOCK (base_video_decoder);
for (l = base_video_decoder->base_video_codec.frames; l; l = l->next) {
GstVideoFrame *tmp = l->data;
if (tmp->events) {
GList *k, *events;
GList *k;
events = tmp->events;
for (k = g_list_last (tmp->events); k; k = k->prev)
events = g_list_prepend (events, k->data);
g_list_free (tmp->events);
tmp->events = NULL;
for (k = g_list_last (events); k; k = k->prev)
gst_pad_push_event (base_video_decoder->base_video_codec.srcpad,
k->data);
g_list_free (events);
}
if (tmp == frame)
break;
}
GST_OBJECT_UNLOCK (base_video_decoder);
for (l = g_list_last (events); l; l = l->next)
gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_decoder),
l->data);
g_list_free (events);
if (GST_CLOCK_TIME_IS_VALID (frame->presentation_timestamp)) {
if (frame->presentation_timestamp != base_video_decoder->timestamp_offset) {