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qtmux: Simplify buffer refcounting in add_buffer() and remove unneeded NULL checks

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This commit is contained in:
Sebastian Dröge 2017-04-04 15:22:25 +03:00
parent 6b889bea69
commit 6f3737f0c5
1 changed files with 11 additions and 19 deletions
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30
gst/isomp4/gstqtmux.c
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@ -3216,10 +3216,14 @@ gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad, GstBuffer * buf)
}
ret = gst_qt_mux_check_and_update_timecode (qtmux, pad, buf, ret);
if (ret != GST_FLOW_OK)
if (ret != GST_FLOW_OK) {
if (buf)
gst_buffer_unref (buf);
return ret;
}
last_buf = pad->last_buf;
pad->last_buf = buf;
if (last_buf == NULL) {
#ifndef GST_DISABLE_GST_DEBUG
@ -3233,18 +3237,15 @@ gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad, GstBuffer * buf)
GST_PAD_NAME (pad->collect.pad));
}
#endif
pad->last_buf = buf;
qtmux->current_pad = pad;
goto exit;
} else {
gst_buffer_ref (last_buf);
}
if (!GST_BUFFER_PTS_IS_VALID (last_buf))
goto no_pts;
/* if this is the first buffer, store the timestamp */
if (G_UNLIKELY (pad->first_ts == GST_CLOCK_TIME_NONE) && last_buf) {
if (G_UNLIKELY (pad->first_ts == GST_CLOCK_TIME_NONE)) {
if (GST_BUFFER_PTS_IS_VALID (last_buf)) {
pad->first_ts = GST_BUFFER_PTS (last_buf);
} else if (GST_BUFFER_DTS_IS_VALID (last_buf)) {
@ -3269,7 +3270,7 @@ gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad, GstBuffer * buf)
GST_TIME_ARGS (pad->first_ts));
}
if (last_buf && buf && GST_CLOCK_TIME_IS_VALID (GST_BUFFER_DTS (buf)) &&
if (buf && GST_CLOCK_TIME_IS_VALID (GST_BUFFER_DTS (buf)) &&
GST_CLOCK_TIME_IS_VALID (GST_BUFFER_DTS (last_buf)) &&
GST_BUFFER_DTS (buf) < GST_BUFFER_DTS (last_buf)) {
GST_ERROR ("decreasing DTS value %" GST_TIME_FORMAT " < %" GST_TIME_FORMAT,
@ -3288,16 +3289,14 @@ gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad, GstBuffer * buf)
else
duration = 0;
if (!pad->sparse) {
if (last_buf && buf && GST_BUFFER_DTS_IS_VALID (buf)
if (buf && GST_BUFFER_DTS_IS_VALID (buf)
&& GST_BUFFER_DTS_IS_VALID (last_buf))
duration = GST_BUFFER_DTS (buf) - GST_BUFFER_DTS (last_buf);
else if (last_buf && buf && GST_BUFFER_PTS_IS_VALID (buf)
else if (buf && GST_BUFFER_PTS_IS_VALID (buf)
&& GST_BUFFER_PTS_IS_VALID (last_buf))
duration = GST_BUFFER_PTS (buf) - GST_BUFFER_PTS (last_buf);
}
gst_buffer_replace (&pad->last_buf, buf);
if (qtmux->current_pad != pad || qtmux->current_chunk_offset == -1) {
GST_DEBUG_OBJECT (qtmux,
"Switching to next chunk for pad %s:%s: offset %" G_GUINT64_FORMAT
@ -3373,10 +3372,8 @@ gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad, GstBuffer * buf)
}
/* for computing the avg bitrate */
if (G_LIKELY (last_buf)) {
pad->total_bytes += gst_buffer_get_size (last_buf);
pad->total_duration += duration;
}
pad->total_bytes += gst_buffer_get_size (last_buf);
pad->total_duration += duration;
qtmux->current_chunk_size += gst_buffer_get_size (last_buf);
qtmux->current_chunk_duration += duration;
@ -3460,9 +3457,6 @@ gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad, GstBuffer * buf)
}
}
if (buf)
gst_buffer_unref (buf);
exit:
return ret;
@ -3470,8 +3464,6 @@ exit:
/* ERRORS */
bail:
{
if (buf)
gst_buffer_unref (buf);
gst_buffer_unref (last_buf);
return GST_FLOW_ERROR;
}