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rtph264depay: only set delta unit on all-non-key units

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Only set the delta flag when all of the units in the packet are delta units.
Based on patch from Olivier Crête <olivier.crete@collabora.co.uk>

Fixes #632945
This commit is contained in:
Wim Taymans 2010-11-01 14:56:28 +01:00
parent e400c8482a
commit 706731b331
2 changed files with 12 additions and 12 deletions
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22
gst/rtp/gstrtph264depay.c
View file

@ -413,7 +413,7 @@ gst_rtp_h264_depay_handle_nal (GstRtpH264Depay * rtph264depay, GstBuffer * nal,
guint8 *data;
GstBuffer *outbuf = NULL;
GstClockTime out_timestamp;
gboolean delta, out_delta;
gboolean keyframe, out_keyframe;
size = GST_BUFFER_SIZE (nal);
if (G_UNLIKELY (size < 5))
@ -424,9 +424,9 @@ gst_rtp_h264_depay_handle_nal (GstRtpH264Depay * rtph264depay, GstBuffer * nal,
nal_type = data[4] & 0x1f;
GST_DEBUG_OBJECT (rtph264depay, "handle NAL type %d", nal_type);
delta = !NAL_TYPE_IS_KEY (nal_type);
keyframe = NAL_TYPE_IS_KEY (nal_type);
out_delta = delta;
out_keyframe = keyframe;
out_timestamp = in_timestamp;
if (rtph264depay->merge) {
@ -460,9 +460,9 @@ gst_rtp_h264_depay_handle_nal (GstRtpH264Depay * rtph264depay, GstBuffer * nal,
outbuf = gst_adapter_take_buffer (rtph264depay->picture_adapter, outsize);
out_timestamp = rtph264depay->last_ts;
out_delta = rtph264depay->last_delta;
out_keyframe = rtph264depay->last_keyframe;
rtph264depay->last_delta = FALSE;
rtph264depay->last_keyframe = FALSE;
rtph264depay->picture_start = FALSE;
}
@ -470,7 +470,7 @@ gst_rtp_h264_depay_handle_nal (GstRtpH264Depay * rtph264depay, GstBuffer * nal,
GST_DEBUG_OBJECT (depayload, "adding NAL to picture adapter");
gst_adapter_push (rtph264depay->picture_adapter, nal);
rtph264depay->last_ts = in_timestamp;
rtph264depay->last_delta |= delta;
rtph264depay->last_keyframe |= keyframe;
rtph264depay->picture_start |= start;
} else {
/* no merge, output is input nal */
@ -484,16 +484,16 @@ gst_rtp_h264_depay_handle_nal (GstRtpH264Depay * rtph264depay, GstBuffer * nal,
GST_DEBUG_OBJECT (depayload, "prepending codec_data");
outbuf = gst_buffer_join (rtph264depay->codec_data, outbuf);
rtph264depay->codec_data = NULL;
out_delta = FALSE;
out_keyframe = TRUE;
}
outbuf = gst_buffer_make_metadata_writable (outbuf);
GST_BUFFER_TIMESTAMP (outbuf) = out_timestamp;
if (out_delta)
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT);
else
if (out_keyframe)
GST_BUFFER_FLAG_UNSET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT);
else
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT);
gst_buffer_set_caps (outbuf, GST_PAD_CAPS (depayload->srcpad));
@ -782,7 +782,7 @@ gst_rtp_h264_depay_change_state (GstElement * element,
rtph264depay->wait_start = TRUE;
gst_adapter_clear (rtph264depay->picture_adapter);
rtph264depay->picture_start = FALSE;
rtph264depay->last_delta = FALSE;
rtph264depay->last_keyframe = FALSE;
break;
default:
break;

2
gst/rtp/gstrtph264depay.h
View file

@ -55,7 +55,7 @@ struct _GstRtpH264Depay
GstAdapter *picture_adapter;
gboolean picture_start;
GstClockTime last_ts;
gboolean last_delta;
gboolean last_keyframe;
};
struct _GstRtpH264DepayClass