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gst/gstqueue.c: Don't drop buffers on interrupt. Rather, ignore fulness status and preserve stream (#159676).
Original commit message from CVS: * gst/gstqueue.c: (gst_queue_locked_flush), (gst_queue_chain), (gst_queue_get), (gst_queue_handle_src_event): Don't drop buffers on interrupt. Rather, ignore fulness status and preserve stream (#159676). (gst_queue_handle_src_query): Don't go below zero.
This commit is contained in:
Ronald S. Bultje
parent
84f4a18302
commit
cea7e759d2
3 changed files with 67 additions and 14 deletions
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@ -1,3 +1,12 @@
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2005-03-01 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
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* gst/gstqueue.c: (gst_queue_locked_flush), (gst_queue_chain),
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(gst_queue_get), (gst_queue_handle_src_event):
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Don't drop buffers on interrupt. Rather, ignore fulness status
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and preserve stream (#159676).
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(gst_queue_handle_src_query):
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Don't go below zero.
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2005-02-27 Phil Blundell <pb@nexus.co.uk>
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Reviewed by: Maciej Katafiasz <mathrick@freedesktop.org>
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@ -474,6 +474,8 @@ gst_queue_link_src (GstPad * pad, const GstCaps * caps)
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static void
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gst_queue_locked_flush (GstQueue * queue)
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{
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GST_CAT_LOG_OBJECT (queue_dataflow, queue, "Flushing contents...");
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while (!g_queue_is_empty (queue->queue)) {
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GstData *data = g_queue_pop_head (queue->queue);
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@ -569,7 +571,9 @@ restart:
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if (GST_IS_BUFFER (data))
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GST_CAT_LOG_OBJECT (queue_dataflow, queue,
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"adding buffer %p of size %d", data, GST_BUFFER_SIZE (data));
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"adding buffer %p of size %d and time %" GST_TIME_FORMAT,
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data, GST_BUFFER_SIZE (data),
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GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (data)));
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/* We make space available if we're "full" according to whatever
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* the user defined as "full". Note that this only applies to buffers.
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@ -660,7 +664,7 @@ restart:
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GST_QUEUE_MUTEX_UNLOCK;
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sched = gst_pad_get_scheduler (queue->sinkpad);
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if (!sched || gst_scheduler_interrupt (sched, GST_ELEMENT (queue))) {
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goto out_unref;
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goto ignore_interrupt;
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}
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/* if we got here because we were unlocked after a
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* flush, we don't need to add the buffer to the
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@ -693,6 +697,7 @@ restart:
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}
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}
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ignore_interrupt:
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/* OK, we've got a serious issue here. Imagine the situation
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* where the puller (next element) is sending an event here,
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* so it cannot pull events from the queue, and we cannot
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@ -701,9 +706,16 @@ restart:
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* that, we handle pending upstream events here, too. */
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gst_queue_handle_pending_events (queue);
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STATUS (queue, "waiting for item_del signal from thread using qlock");
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g_cond_wait (queue->item_del, queue->qlock);
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STATUS (queue, "received item_del signal from thread using qlock");
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if (!queue->interrupt) {
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STATUS (queue,
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"waiting for item_del signal from thread using qlock");
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g_cond_wait (queue->item_del, queue->qlock);
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STATUS (queue, "received item_del signal from thread using qlock");
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} else {
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GST_CAT_DEBUG_OBJECT (queue_dataflow, queue,
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"Not waiting, just adding buffer, after interrupt (bad!)");
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break;
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}
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}
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STATUS (queue, "post-full wait");
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@ -848,6 +860,9 @@ restart:
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queue->cur_level.bytes -= GST_BUFFER_SIZE (data);
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if (GST_BUFFER_DURATION (data) != GST_CLOCK_TIME_NONE)
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queue->cur_level.time -= GST_BUFFER_DURATION (data);
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GST_CAT_LOG_OBJECT (queue_dataflow, queue,
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"Got buffer of time %" GST_TIME_FORMAT,
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GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (data)));
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}
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/* Now that we're done, we can lose our own reference to
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@ -947,6 +962,7 @@ gst_queue_handle_src_event (GstPad * pad, GstEvent * event)
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if (GST_EVENT_SEEK_FLAGS (event) & GST_SEEK_FLAG_FLUSH) {
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gst_queue_locked_flush (queue);
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}
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break;
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default:
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break;
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}
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@ -974,10 +990,16 @@ gst_queue_handle_src_query (GstPad * pad,
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/* FIXME: this code assumes that there's no discont in the queue */
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switch (*fmt) {
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case GST_FORMAT_BYTES:
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*value -= queue->cur_level.bytes;
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if (*value >= queue->cur_level.bytes)
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*value -= queue->cur_level.bytes;
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else
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*value = 0;
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break;
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case GST_FORMAT_TIME:
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*value -= queue->cur_level.time;
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if (*value >= queue->cur_level.time)
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*value -= queue->cur_level.time;
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else
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*value = 0;
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break;
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default:
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/* FIXME */
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@ -474,6 +474,8 @@ gst_queue_link_src (GstPad * pad, const GstCaps * caps)
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static void
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gst_queue_locked_flush (GstQueue * queue)
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{
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GST_CAT_LOG_OBJECT (queue_dataflow, queue, "Flushing contents...");
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while (!g_queue_is_empty (queue->queue)) {
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GstData *data = g_queue_pop_head (queue->queue);
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@ -569,7 +571,9 @@ restart:
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if (GST_IS_BUFFER (data))
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GST_CAT_LOG_OBJECT (queue_dataflow, queue,
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"adding buffer %p of size %d", data, GST_BUFFER_SIZE (data));
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"adding buffer %p of size %d and time %" GST_TIME_FORMAT,
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data, GST_BUFFER_SIZE (data),
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GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (data)));
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/* We make space available if we're "full" according to whatever
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* the user defined as "full". Note that this only applies to buffers.
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@ -660,7 +664,7 @@ restart:
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GST_QUEUE_MUTEX_UNLOCK;
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sched = gst_pad_get_scheduler (queue->sinkpad);
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if (!sched || gst_scheduler_interrupt (sched, GST_ELEMENT (queue))) {
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goto out_unref;
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goto ignore_interrupt;
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}
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/* if we got here because we were unlocked after a
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* flush, we don't need to add the buffer to the
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@ -693,6 +697,7 @@ restart:
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}
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}
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ignore_interrupt:
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/* OK, we've got a serious issue here. Imagine the situation
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* where the puller (next element) is sending an event here,
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* so it cannot pull events from the queue, and we cannot
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@ -701,9 +706,16 @@ restart:
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* that, we handle pending upstream events here, too. */
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gst_queue_handle_pending_events (queue);
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STATUS (queue, "waiting for item_del signal from thread using qlock");
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g_cond_wait (queue->item_del, queue->qlock);
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STATUS (queue, "received item_del signal from thread using qlock");
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if (!queue->interrupt) {
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STATUS (queue,
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"waiting for item_del signal from thread using qlock");
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g_cond_wait (queue->item_del, queue->qlock);
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STATUS (queue, "received item_del signal from thread using qlock");
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} else {
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GST_CAT_DEBUG_OBJECT (queue_dataflow, queue,
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"Not waiting, just adding buffer, after interrupt (bad!)");
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break;
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}
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}
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STATUS (queue, "post-full wait");
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@ -848,6 +860,9 @@ restart:
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queue->cur_level.bytes -= GST_BUFFER_SIZE (data);
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if (GST_BUFFER_DURATION (data) != GST_CLOCK_TIME_NONE)
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queue->cur_level.time -= GST_BUFFER_DURATION (data);
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GST_CAT_LOG_OBJECT (queue_dataflow, queue,
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"Got buffer of time %" GST_TIME_FORMAT,
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GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (data)));
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}
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/* Now that we're done, we can lose our own reference to
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@ -947,6 +962,7 @@ gst_queue_handle_src_event (GstPad * pad, GstEvent * event)
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if (GST_EVENT_SEEK_FLAGS (event) & GST_SEEK_FLAG_FLUSH) {
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gst_queue_locked_flush (queue);
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}
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break;
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default:
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break;
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}
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@ -974,10 +990,16 @@ gst_queue_handle_src_query (GstPad * pad,
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/* FIXME: this code assumes that there's no discont in the queue */
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switch (*fmt) {
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case GST_FORMAT_BYTES:
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*value -= queue->cur_level.bytes;
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if (*value >= queue->cur_level.bytes)
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*value -= queue->cur_level.bytes;
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else
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*value = 0;
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break;
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case GST_FORMAT_TIME:
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*value -= queue->cur_level.time;
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if (*value >= queue->cur_level.time)
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*value -= queue->cur_level.time;
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else
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*value = 0;
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break;
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default:
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/* FIXME */
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