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tsdemux: Fix several leaks

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* dont' leak buffers when a stream is in discont state
* don't leak buffers when a program is removed/deactivated
* remove all programs when disposing
This commit is contained in:
Edward Hervey 2012-03-30 19:19:12 +02:00 committed by Sebastian Dröge
parent 48ba9063b0
commit b8eeca8804
2 changed files with 53 additions and 16 deletions
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18
gst/mpegtsdemux/mpegtsbase.c
View file

@ -93,6 +93,9 @@ static void mpegts_base_get_tags_from_sdt (MpegTSBase * base,
GstStructure * sdt_info);
static void mpegts_base_get_tags_from_eit (MpegTSBase * base,
GstStructure * eit_info);
static gboolean
remove_each_program (gpointer key, MpegTSBaseProgram * program,
MpegTSBase * base);
GST_BOILERPLATE_FULL (MpegTSBase, mpegts_base, GstElement, GST_TYPE_ELEMENT,
_extra_init);
@ -226,6 +229,9 @@ mpegts_base_reset (MpegTSBase * base)
base->upstream_live = FALSE;
base->queried_latency = FALSE;
g_hash_table_foreach_remove (base->programs, (GHRFunc) remove_each_program,
base);
if (klass->reset)
klass->reset (base);
}
@ -1237,20 +1243,26 @@ mpegts_base_get_tags_from_eit (MpegTSBase * base, GstStructure * eit_info)
}
}
static void
static gboolean
remove_each_program (gpointer key, MpegTSBaseProgram * program,
MpegTSBase * base)
{
MpegTSBaseClass *klass = GST_MPEGTS_BASE_GET_CLASS (base);
/* First deactivate it */
mpegts_base_deactivate_program (base, program);
/* Then remove it */
mpegts_base_remove_program (base, program->program_number);
if (klass->program_stopped)
klass->program_stopped (base, program);
return TRUE;
}
static gboolean
gst_mpegts_base_handle_eos (MpegTSBase * base)
{
g_hash_table_foreach (base->programs, (GHFunc) remove_each_program, base);
g_hash_table_foreach_remove (base->programs, (GHRFunc) remove_each_program,
base);
/* finally remove */
return TRUE;
}

51
gst/mpegtsdemux/tsdemux.c
View file

@ -249,6 +249,7 @@ static void gst_ts_demux_get_property (GObject * object, guint prop_id,
static void gst_ts_demux_flush_streams (GstTSDemux * tsdemux);
static GstFlowReturn
gst_ts_demux_push_pending_data (GstTSDemux * demux, TSDemuxStream * stream);
static void gst_ts_demux_stream_flush (TSDemuxStream * stream);
static gboolean push_event (MpegTSBase * base, GstEvent * event);
static void _extra_init (GType type);
@ -998,6 +999,7 @@ gst_ts_demux_stream_removed (MpegTSBase * base, MpegTSBaseStream * bstream)
}
stream->pad = NULL;
}
gst_ts_demux_stream_flush (stream);
stream->flow_return = GST_FLOW_NOT_LINKED;
}
@ -1030,6 +1032,12 @@ gst_ts_demux_stream_flush (TSDemuxStream * stream)
memset (stream->pendingbuffers, 0, TS_MAX_PENDING_BUFFERS);
stream->nbpending = 0;
if (stream->currentlist) {
g_list_foreach (stream->currentlist, (GFunc) gst_buffer_unref, NULL);
g_list_free (stream->currentlist);
stream->currentlist = NULL;
}
stream->expected_size = 0;
stream->current_size = 0;
stream->current = NULL;
@ -1346,21 +1354,35 @@ gst_ts_demux_queue_data (GstTSDemux * demux, TSDemuxStream * stream,
}
}
if (stream->state == PENDING_PACKET_HEADER) {
GST_LOG ("HEADER: appending data to array");
/* Append to the array */
stream->pendingbuffers[stream->nbpending++] = buf;
stream->current_size += GST_BUFFER_SIZE (buf);
switch (stream->state) {
case PENDING_PACKET_HEADER:
{
GST_LOG ("HEADER: appending data to array");
/* Append to the array */
stream->pendingbuffers[stream->nbpending++] = buf;
stream->current_size += GST_BUFFER_SIZE (buf);
/* parse the header */
gst_ts_demux_parse_pes_header (demux, stream);
} else if (stream->state == PENDING_PACKET_BUFFER) {
GST_LOG ("BUFFER: appending data to bufferlist");
stream->currentlist = g_list_prepend (stream->currentlist, buf);
stream->current_size += GST_BUFFER_SIZE (buf);
/* parse the header */
gst_ts_demux_parse_pes_header (demux, stream);
break;
}
case PENDING_PACKET_BUFFER:
{
GST_LOG ("BUFFER: appending data to bufferlist");
stream->currentlist = g_list_prepend (stream->currentlist, buf);
stream->current_size += GST_BUFFER_SIZE (buf);
break;
}
case PENDING_PACKET_DISCONT:
{
GST_LOG ("DISCONT: dropping buffer");
gst_buffer_unref (packet->buffer);
break;
}
default:
break;
}
return;
}
@ -1464,8 +1486,10 @@ gst_ts_demux_push_pending_data (GstTSDemux * demux, TSDemuxStream * stream)
goto beach;
}
if (G_UNLIKELY (stream->state != PENDING_PACKET_BUFFER))
if (G_UNLIKELY (stream->state != PENDING_PACKET_BUFFER)) {
GST_LOG ("state:%d, returning", stream->state);
goto beach;
}
if (G_UNLIKELY (!stream->active))
activate_pad_for_stream (demux, stream);
@ -1485,6 +1509,7 @@ gst_ts_demux_push_pending_data (GstTSDemux * demux, TSDemuxStream * stream)
GST_LOG_OBJECT (stream->pad, "Putting pending data into GstBufferList");
stream->currentlist = g_list_reverse (stream->currentlist);
gst_buffer_list_iterator_add_list (stream->currentit, stream->currentlist);
stream->currentlist = NULL;
gst_buffer_list_iterator_free (stream->currentit);
firstbuffer = gst_buffer_list_get (stream->current, 0, 0);