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qtmux: use GstCollectPads2 buffer callback and running time clipper

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... since default collection heuristics suffice.
This commit is contained in:
Mark Nauwelaerts 2011-12-16 18:03:01 +01:00
parent f06d741633
commit 0c7a491a6f
1 changed files with 14 additions and 53 deletions
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67
gst/isomp4/gstqtmux.c
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@ -227,8 +227,8 @@ static void gst_qt_mux_release_pad (GstElement * element, GstPad * pad);
static gboolean gst_qt_mux_sink_event (GstCollectPads2 * pads,
GstCollectData2 * data, GstEvent * event, gpointer user_data);
static GstFlowReturn gst_qt_mux_collected (GstCollectPads2 * pads,
gpointer user_data);
static GstFlowReturn gst_qt_mux_handle_buffer (GstCollectPads2 * pads,
GstCollectData2 * cdata, GstBuffer * buf, gpointer user_data);
static GstFlowReturn gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad,
GstBuffer * buf);
@ -484,12 +484,12 @@ gst_qt_mux_init (GstQTMux * qtmux, GstQTMuxClass * qtmux_klass)
qtmux->sinkpads = NULL;
qtmux->collect = gst_collect_pads2_new ();
gst_collect_pads2_set_function (qtmux->collect,
(GstCollectPads2Function) GST_DEBUG_FUNCPTR (gst_qt_mux_collected),
qtmux);
gst_collect_pads2_set_buffer_function (qtmux->collect,
GST_DEBUG_FUNCPTR (gst_qt_mux_handle_buffer), qtmux);
gst_collect_pads2_set_event_function (qtmux->collect,
(GstCollectPads2EventFunction) GST_DEBUG_FUNCPTR (gst_qt_mux_sink_event),
qtmux);
GST_DEBUG_FUNCPTR (gst_qt_mux_sink_event), qtmux);
gst_collect_pads2_set_clip_function (qtmux->collect,
GST_DEBUG_FUNCPTR (gst_collect_pads2_clip_running_time), qtmux);
/* properties set to default upon construction */
@ -2506,14 +2506,13 @@ not_negotiated:
}
static GstFlowReturn
gst_qt_mux_collected (GstCollectPads2 * pads, gpointer user_data)
gst_qt_mux_handle_buffer (GstCollectPads2 * pads, GstCollectData2 * cdata,
GstBuffer * buf, gpointer user_data)
{
GstFlowReturn ret = GST_FLOW_OK;
GstQTMux *qtmux = GST_QT_MUX_CAST (user_data);
GSList *walk;
GstQTPad *best_pad = NULL;
GstClockTime time, best_time = GST_CLOCK_TIME_NONE;
GstBuffer *buf;
GstClockTime best_time = GST_CLOCK_TIME_NONE;
if (G_UNLIKELY (qtmux->state == GST_QT_MUX_STATE_STARTED)) {
if ((ret = gst_qt_mux_start_file (qtmux)) != GST_FLOW_OK)
@ -2525,52 +2524,14 @@ gst_qt_mux_collected (GstCollectPads2 * pads, gpointer user_data)
if (G_UNLIKELY (qtmux->state == GST_QT_MUX_STATE_EOS))
return GST_FLOW_UNEXPECTED;
/* select the best buffer */
walk = qtmux->collect->data;
while (walk) {
GstQTPad *pad;
GstCollectData2 *data;
data = (GstCollectData2 *) walk->data;
pad = (GstQTPad *) data;
walk = g_slist_next (walk);
buf = gst_collect_pads2_peek (pads, data);
if (buf == NULL) {
GST_LOG_OBJECT (qtmux, "Pad %s has no buffers",
GST_PAD_NAME (pad->collect.pad));
continue;
}
time = GST_BUFFER_TIMESTAMP (buf);
gst_buffer_unref (buf);
/* invalid should pass */
if (G_LIKELY (GST_CLOCK_TIME_IS_VALID (time))) {
time =
gst_segment_to_running_time (&data->segment, GST_FORMAT_TIME, time);
if (G_UNLIKELY (!GST_CLOCK_TIME_IS_VALID (time))) {
GST_DEBUG_OBJECT (qtmux, "clipping buffer on pad %s outside segment",
GST_PAD_NAME (data->pad));
buf = gst_collect_pads2_pop (pads, data);
gst_buffer_unref (buf);
return GST_FLOW_OK;
}
}
if (best_pad == NULL || !GST_CLOCK_TIME_IS_VALID (time) ||
(GST_CLOCK_TIME_IS_VALID (best_time) && time < best_time)) {
best_pad = pad;
best_time = time;
}
}
best_pad = (GstQTPad *) cdata;
/* clipping already converted to running time */
if (best_pad != NULL) {
g_assert (buf);
best_time = GST_BUFFER_TIMESTAMP (buf);
GST_LOG_OBJECT (qtmux, "selected pad %s with time %" GST_TIME_FORMAT,
GST_PAD_NAME (best_pad->collect.pad), GST_TIME_ARGS (best_time));
buf = gst_collect_pads2_pop (pads, &best_pad->collect);
buf = gst_buffer_make_metadata_writable (buf);
GST_BUFFER_TIMESTAMP (buf) = best_time;
ret = gst_qt_mux_add_buffer (qtmux, best_pad, buf);
} else {
ret = gst_qt_mux_stop_file (qtmux);