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rtph264pay: do DTS and PTS correctly

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This commit is contained in:
Wim Taymans 2012-03-13 18:07:18 +01:00
parent 0525fa1850
commit d65de434f5
1 changed files with 33 additions and 27 deletions
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60
gst/rtp/gstrtph264pay.c
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@ -697,7 +697,7 @@ next_start_code (const guint8 * data, guint size)
static gboolean
gst_rtp_h264_pay_decode_nal (GstRtpH264Pay * payloader,
const guint8 * data, guint size, GstClockTime timestamp)
const guint8 * data, guint size, GstClockTime dts, GstClockTime pts)
{
const guint8 *sps = NULL, *pps = NULL;
guint sps_len = 0, pps_len = 0;
@ -725,8 +725,8 @@ gst_rtp_h264_pay_decode_nal (GstRtpH264Pay * payloader,
sps = data;
sps_len = len;
/* remember when we last saw SPS */
if (timestamp != -1)
payloader->last_spspps = timestamp;
if (pts != -1)
payloader->last_spspps = pts;
} else if (PPS_TYPE_ID == type) {
/* encoder the entire PPS NAL in base64 */
GST_DEBUG ("Found PPS %x %x %x Len = %u",
@ -735,8 +735,8 @@ gst_rtp_h264_pay_decode_nal (GstRtpH264Pay * payloader,
pps = data;
pps_len = len;
/* remember when we last saw PPS */
if (timestamp != -1)
payloader->last_spspps = timestamp;
if (pts != -1)
payloader->last_spspps = pts;
} else {
GST_DEBUG ("NAL: %x %x %x Len = %u", (header >> 7),
(header >> 5) & 3, type, len);
@ -812,12 +812,12 @@ gst_rtp_h264_pay_decode_nal (GstRtpH264Pay * payloader,
static GstFlowReturn
gst_rtp_h264_pay_payload_nal (GstRTPBasePayload * basepayload,
const guint8 * data, guint size, GstClockTime timestamp,
const guint8 * data, guint size, GstClockTime dts, GstClockTime pts,
GstBuffer * buffer_orig, gboolean end_of_au);
static GstFlowReturn
gst_rtp_h264_pay_send_sps_pps (GstRTPBasePayload * basepayload,
GstRtpH264Pay * rtph264pay, GstClockTime timestamp)
GstRtpH264Pay * rtph264pay, GstClockTime dts, GstClockTime pts)
{
GstFlowReturn ret = GST_FLOW_OK;
GList *walk;
@ -830,7 +830,7 @@ gst_rtp_h264_pay_send_sps_pps (GstRTPBasePayload * basepayload,
/* resend SPS */
gst_buffer_map (sps_buf, &map, GST_MAP_READ);
ret = gst_rtp_h264_pay_payload_nal (basepayload,
map.data, map.size, timestamp, sps_buf, FALSE);
map.data, map.size, dts, pts, sps_buf, FALSE);
gst_buffer_unmap (sps_buf, &map);
/* Not critical here; but throw a warning */
if (ret != GST_FLOW_OK)
@ -843,22 +843,22 @@ gst_rtp_h264_pay_send_sps_pps (GstRTPBasePayload * basepayload,
/* resend PPS */
gst_buffer_map (pps_buf, &map, GST_MAP_READ);
ret = gst_rtp_h264_pay_payload_nal (basepayload,
map.data, map.size, timestamp, pps_buf, FALSE);
map.data, map.size, dts, pts, pps_buf, FALSE);
gst_buffer_unmap (pps_buf, &map);
/* Not critical here; but throw a warning */
if (ret != GST_FLOW_OK)
GST_WARNING ("Problem pushing PPS");
}
if (timestamp != -1)
rtph264pay->last_spspps = timestamp;
if (pts != -1)
rtph264pay->last_spspps = pts;
return ret;
}
static GstFlowReturn
gst_rtp_h264_pay_payload_nal (GstRTPBasePayload * basepayload,
const guint8 * data, guint size, GstClockTime timestamp,
const guint8 * data, guint size, GstClockTime dts, GstClockTime pts,
GstBuffer * buffer_orig, gboolean end_of_au)
{
GstRtpH264Pay *rtph264pay;
@ -888,11 +888,11 @@ gst_rtp_h264_pay_payload_nal (GstRTPBasePayload * basepayload,
GST_LOG_OBJECT (rtph264pay,
"now %" GST_TIME_FORMAT ", last SPS/PPS %" GST_TIME_FORMAT,
GST_TIME_ARGS (timestamp), GST_TIME_ARGS (rtph264pay->last_spspps));
GST_TIME_ARGS (pts), GST_TIME_ARGS (rtph264pay->last_spspps));
/* calculate diff between last SPS/PPS in milliseconds */
if (timestamp > rtph264pay->last_spspps)
diff = timestamp - rtph264pay->last_spspps;
if (pts > rtph264pay->last_spspps)
diff = pts - rtph264pay->last_spspps;
else
diff = 0;
@ -913,10 +913,10 @@ gst_rtp_h264_pay_payload_nal (GstRTPBasePayload * basepayload,
}
if (send_spspps || rtph264pay->send_spspps) {
/* we need to send SPS/PPS now first. FIXME, don't use the timestamp for
/* we need to send SPS/PPS now first. FIXME, don't use the pts for
* checking when we need to send SPS/PPS but convert to running_time first. */
rtph264pay->send_spspps = FALSE;
ret = gst_rtp_h264_pay_send_sps_pps (basepayload, rtph264pay, timestamp);
ret = gst_rtp_h264_pay_send_sps_pps (basepayload, rtph264pay, dts, pts);
if (ret != GST_FLOW_OK)
return ret;
}
@ -950,7 +950,8 @@ gst_rtp_h264_pay_payload_nal (GstRTPBasePayload * basepayload,
}
/* timestamp the outbuffer */
GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
GST_BUFFER_PTS (outbuf) = pts;
GST_BUFFER_DTS (outbuf) = dts;
#if 0
if (rtph264pay->buffer_list) {
@ -1034,7 +1035,8 @@ gst_rtp_h264_pay_payload_nal (GstRTPBasePayload * basepayload,
gst_rtp_buffer_map (outbuf, GST_MAP_WRITE, &rtp);
GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
GST_BUFFER_DTS (outbuf) = dts;
GST_BUFFER_PTS (outbuf) = pts;
payload = gst_rtp_buffer_get_payload (&rtp);
if (limitedSize == size) {
@ -1112,7 +1114,7 @@ gst_rtp_h264_pay_handle_buffer (GstRTPBasePayload * basepayload,
guint nal_len, i;
GstMapInfo map;
const guint8 *data, *nal_data;
GstClockTime timestamp;
GstClockTime dts, pts;
GArray *nal_queue;
guint pushed = 0;
gboolean bytestream;
@ -1124,7 +1126,8 @@ gst_rtp_h264_pay_handle_buffer (GstRTPBasePayload * basepayload,
bytestream = (rtph264pay->scan_mode == GST_H264_SCAN_MODE_BYTESTREAM);
if (bytestream) {
timestamp = gst_adapter_prev_timestamp (rtph264pay->adapter, NULL);
dts = gst_adapter_prev_dts (rtph264pay->adapter, NULL);
pts = gst_adapter_prev_pts (rtph264pay->adapter, NULL);
gst_adapter_push (rtph264pay->adapter, buffer);
size = gst_adapter_available (rtph264pay->adapter);
data = gst_adapter_map (rtph264pay->adapter, size);
@ -1132,13 +1135,16 @@ gst_rtp_h264_pay_handle_buffer (GstRTPBasePayload * basepayload,
"got %" G_GSIZE_FORMAT " bytes (%" G_GSIZE_FORMAT ")", size,
gst_buffer_get_size (buffer));
if (!GST_CLOCK_TIME_IS_VALID (timestamp))
timestamp = GST_BUFFER_TIMESTAMP (buffer);
if (!GST_CLOCK_TIME_IS_VALID (dts))
dts = GST_BUFFER_DTS (buffer);
if (!GST_CLOCK_TIME_IS_VALID (pts))
pts = GST_BUFFER_PTS (buffer);
} else {
gst_buffer_map (buffer, &map, GST_MAP_READ);
data = map.data;
size = map.size;
timestamp = GST_BUFFER_TIMESTAMP (buffer);
pts = GST_BUFFER_PTS (buffer);
dts = GST_BUFFER_DTS (buffer);
GST_DEBUG_OBJECT (basepayload, "got %" G_GSIZE_FORMAT " bytes", size);
}
@ -1182,7 +1188,7 @@ gst_rtp_h264_pay_handle_buffer (GstRTPBasePayload * basepayload,
}
ret =
gst_rtp_h264_pay_payload_nal (basepayload, data, nal_len, timestamp,
gst_rtp_h264_pay_payload_nal (basepayload, data, nal_len, dts, pts,
buffer, end_of_au);
if (ret != GST_FLOW_OK)
break;
@ -1264,7 +1270,7 @@ gst_rtp_h264_pay_handle_buffer (GstRTPBasePayload * basepayload,
* go parse it for SPS/PPS to enrich the caps */
/* order: make sure to check nal */
update =
gst_rtp_h264_pay_decode_nal (rtph264pay, data, nal_len, timestamp)
gst_rtp_h264_pay_decode_nal (rtph264pay, data, nal_len, dts, pts)
|| update;
}
/* move to next NAL packet */
@ -1315,7 +1321,7 @@ gst_rtp_h264_pay_handle_buffer (GstRTPBasePayload * basepayload,
/* put the data in one or more RTP packets */
ret =
gst_rtp_h264_pay_payload_nal (basepayload, data, size, timestamp,
gst_rtp_h264_pay_payload_nal (basepayload, data, size, dts, pts,
buffer, end_of_au);
if (ret != GST_FLOW_OK) {
break;