static GstFlowReturn
mpegpsmux_collected (GstCollectPads * pads, MpegPsMux * mux)
{
/* main muxing function */
GstFlowReturn ret = GST_FLOW_OK;
MpegPsPadData *best = NULL;
GST_DEBUG_OBJECT (mux, "Pads collected");
if (mux->first) { /* process block for the first mux */
/* iterate through the collect pads and add streams to @mux */
ret = mpegpsmux_create_streams (mux);
/* Assumption : all pads are already added at this time */
if (G_UNLIKELY (ret != GST_FLOW_OK))
return ret;
best = mpegpsmux_choose_best_stream (mux);
/* prepare the src pad (output), return if failed */
if (!mpegpsdemux_prepare_srcpad (mux)) {
GST_DEBUG_OBJECT (mux, "Failed to send new segment");
goto new_seg_fail;
}
mux->first = FALSE;
} else {
best = mpegpsmux_choose_best_stream (mux);
}
if (best != NULL) {
/* @*buf : the buffer to be processed */
GstBuffer *buf = best->queued_buf;
gint64 pts = -1;
g_return_val_if_fail (buf != NULL, GST_FLOW_ERROR);
GST_DEBUG_OBJECT (mux,
"Chose stream from pad %" GST_PTR_FORMAT " for output (PID: 0x%04x)",
best->collect.pad, best->stream_id);
/* set timestamp */
if (GST_CLOCK_TIME_IS_VALID (best->cur_ts)) {
pts = GSTTIME_TO_MPEGTIME (best->cur_ts); /* @pts: current timestamp */
GST_DEBUG_OBJECT (mux, "Buffer has TS %" GST_TIME_FORMAT " pts %"
G_GINT64_FORMAT, GST_TIME_ARGS (best->cur_ts), pts);
}
/* give the buffer to libpsmux for processing */
psmux_stream_add_data (best->stream, GST_BUFFER_DATA (buf),
GST_BUFFER_SIZE (buf), buf, pts, -1);
best->queued_buf = NULL;
/* write the data from libpsmux to stream */
while (psmux_stream_bytes_in_buffer (best->stream) > 0) {
GST_LOG_OBJECT (mux, "Before @psmux_write_stream_packet");
if (!psmux_write_stream_packet (mux->psmux, best->stream)) {
GST_DEBUG_OBJECT (mux, "Failed to write data packet");
goto write_fail;
}
}
mux->last_ts = best->last_ts;
} else {
/* FIXME: Drain all remaining streams */
/* At EOS */
if (psmux_write_end_code (mux->psmux)) {
GST_WARNING_OBJECT (mux, "Writing MPEG PS Program end code failed.");
}
gst_pad_push_event (mux->srcpad, gst_event_new_eos ());
}
return ret;
new_seg_fail:
return GST_FLOW_ERROR;
write_fail:
/* FIXME: Failed writing data for some reason. Should set appropriate error */
return mux->last_flow_ret;
}
static GstFlowReturn
mpegpsmux_collected (GstCollectPads * pads, MpegPsMux * mux)
{
/* main muxing function */
GstFlowReturn ret = GST_FLOW_OK;
MpegPsPadData *best = NULL;
gboolean keyunit;
GST_DEBUG_OBJECT (mux, "Pads collected");
if (mux->first) { /* process block for the first mux */
/* iterate through the collect pads and add streams to @mux */
ret = mpegpsmux_create_streams (mux);
/* Assumption : all pads are already added at this time */
if (G_UNLIKELY (ret != GST_FLOW_OK))
return ret;
best = mpegpsmux_choose_best_stream (mux);
/* prepare the src pad (output), return if failed */
if (!mpegpsdemux_prepare_srcpad (mux)) {
GST_DEBUG_OBJECT (mux, "Failed to send new segment");
goto new_seg_fail;
}
mux->first = FALSE;
} else {
best = mpegpsmux_choose_best_stream (mux);
}
if (best != NULL) {
GstBuffer *buf = best->queued.buf;
gint64 pts, dts;
g_assert (buf != NULL);
GST_LOG_OBJECT (mux,
"Chose stream from pad %" GST_PTR_FORMAT " for output (PID: 0x%04x): "
"adjusted pts: %" GST_TIME_FORMAT ", dts: %" GST_TIME_FORMAT,
best->collect.pad, best->stream_id,
GST_TIME_ARGS (best->queued.pts), GST_TIME_ARGS (best->queued.dts));
/* and convert to mpeg time stamps */
pts = GSTTIME_TO_MPEGTIME (best->queued.pts);
dts = GSTTIME_TO_MPEGTIME (best->queued.dts);
/* start of new GOP? */
keyunit = !GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT);
if (keyunit && best->stream_id == mux->video_stream_id
&& mux->gop_list != NULL) {
ret = mpegpsmux_push_gop_list (mux);
if (ret != GST_FLOW_OK)
goto done;
}
/* give the buffer to libpsmux for processing */
psmux_stream_add_data (best->stream, buf, pts, dts, keyunit);
best->queued.buf = NULL;
/* write the data from libpsmux to stream */
while (psmux_stream_bytes_in_buffer (best->stream) > 0) {
GST_LOG_OBJECT (mux, "Before @psmux_write_stream_packet");
if (!psmux_write_stream_packet (mux->psmux, best->stream)) {
GST_DEBUG_OBJECT (mux, "Failed to write data packet");
goto write_fail;
}
}
mux->last_ts = best->last_ts;
} else {
/* FIXME: Drain all remaining streams */
/* At EOS */
if (mux->gop_list != NULL)
mpegpsmux_push_gop_list (mux);
if (!psmux_write_end_code (mux->psmux)) {
GST_WARNING_OBJECT (mux, "Writing MPEG PS Program end code failed.");
}
gst_pad_push_event (mux->srcpad, gst_event_new_eos ());
ret = GST_FLOW_EOS;
}
done:
return ret;
new_seg_fail:
return GST_FLOW_ERROR;
write_fail:
/* FIXME: Failed writing data for some reason. Should set appropriate error */
return mux->last_flow_ret;
}