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mpegtsdemux: Sprinkle branch prediction macros.

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This commit is contained in:
Edward Hervey 2009-09-08 09:18:42 +02:00
parent af6ea56cce
commit 7057f285cc
1 changed files with 7 additions and 6 deletions
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13
gst/mpegdemux/gstmpegtsdemux.c
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@ -1268,7 +1268,7 @@ gst_mpegts_stream_parse_pmt (GstMpegTSStream * stream,
demux = stream->demux;
if (*data++ != 0x02)
if (G_UNLIKELY (*data++ != 0x02))
goto wrong_id;
if ((data[0] & 0xc0) != 0x80)
goto wrong_sync;
@ -1278,7 +1278,7 @@ gst_mpegts_stream_parse_pmt (GstMpegTSStream * stream,
data += 2;
if (demux->check_crc)
if (gst_mpegts_demux_calc_crc32 (data - 3, datalen) != 0)
if (G_UNLIKELY (gst_mpegts_demux_calc_crc32 (data - 3, datalen) != 0))
goto wrong_crc;
GST_LOG_OBJECT (demux, "PMT section_length: %d", datalen - 3);
@ -1786,7 +1786,8 @@ gst_mpegts_demux_parse_adaptation_field (GstMpegTSStream * stream,
demux->pcr[0] = pcr;
demux->num_packets = 0;
} /* Considering a difference of 1 sec ie 90000 ticks */
else if (demux->pcr[1] == -1 && ((pcr - demux->pcr[0]) >= 90000)) {
else if (G_UNLIKELY (demux->pcr[1] == -1
&& ((pcr - demux->pcr[0]) >= 90000))) {
GST_DEBUG ("RECORDING pcr[1]:%" G_GUINT64_FORMAT, pcr);
demux->pcr[1] = pcr;
}
@ -1923,7 +1924,7 @@ gst_mpegts_stream_parse_pat (GstMpegTSStream * stream,
goto wrong_id;
if ((data[0] & 0xc0) != 0x80)
goto wrong_sync;
if ((data[0] & 0x0c) != 0x00)
if (G_UNLIKELY ((data[0] & 0x0c) != 0x00))
goto wrong_seclen;
data += 2;
@ -1937,7 +1938,7 @@ gst_mpegts_stream_parse_pat (GstMpegTSStream * stream,
version_number = (data[2] & 0x3e) >> 1;
GST_DEBUG_OBJECT (demux, "PAT version_number: %d", version_number);
if (version_number == PAT->version_number)
if (G_UNLIKELY (version_number == PAT->version_number))
goto same_version;
current_next_indicator = (data[2] & 0x01);
@ -2232,7 +2233,7 @@ gst_mpegts_demux_parse_stream (GstMpegTSDemux * demux, GstMpegTSStream * stream,
/* For unknown streams, check if the PID is in the partial PIDs
* list as an elementary stream and override the type if so
*/
if (stream->PID_type == PID_TYPE_UNKNOWN) {
if (G_UNLIKELY (stream->PID_type == PID_TYPE_UNKNOWN)) {
if (mpegts_is_elem_pid (demux, PID)) {
GST_DEBUG_OBJECT (demux,
"PID 0x%04x is an elementary stream in the PID list", PID);