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rtph264depay: Only update the srcpad caps if something else than the codec_data changed

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h264parse does the same, let's keep the behaviour consistent. As we now
include the codec_data inside the stream too here, this causes less caps
renegotiation.
This commit is contained in:
Sebastian Dröge 2015-08-04 12:09:12 +03:00
parent e0c124f76d
commit 8dda570e47
1 changed files with 40 additions and 3 deletions
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43
gst/rtp/gstrtph264depay.c
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@ -386,14 +386,51 @@ gst_rtp_h264_set_src_caps (GstRtpH264Depay * rtph264depay)
gst_buffer_unmap (codec_data, &map);
gst_buffer_set_size (codec_data, new_size);
gst_caps_set_simple (srccaps,
"codec_data", GST_TYPE_BUFFER, codec_data, NULL);
gst_buffer_unref (codec_data);
}
res = gst_pad_set_caps (GST_RTP_BASE_DEPAYLOAD_SRCPAD (rtph264depay),
srccaps);
if (gst_pad_has_current_caps (GST_RTP_BASE_DEPAYLOAD_SRCPAD (rtph264depay))) {
GstCaps *old_caps =
gst_pad_get_current_caps (GST_RTP_BASE_DEPAYLOAD_SRCPAD (rtph264depay));
/* Only update the caps if they are not equal. For
* AVC we don't update caps if only the codec_data
* changes. This is the same behaviour as in h264parse
*/
if (rtph264depay->byte_stream) {
if (!gst_caps_is_equal (srccaps, old_caps))
res =
gst_pad_set_caps (GST_RTP_BASE_DEPAYLOAD_SRCPAD (rtph264depay),
srccaps);
else
res = TRUE;
} else {
GstCaps *tmp_caps = gst_caps_copy (srccaps);
GstStructure *old_s, *tmp_s;
old_s = gst_caps_get_structure (old_caps, 0);
tmp_s = gst_caps_get_structure (tmp_caps, 0);
if (gst_structure_has_field (old_s, "codec_data"))
gst_structure_set_value (tmp_s, "codec_data",
gst_structure_get_value (old_s, "codec_data"));
if (!gst_caps_is_equal (old_caps, tmp_caps))
res =
gst_pad_set_caps (GST_RTP_BASE_DEPAYLOAD_SRCPAD (rtph264depay),
srccaps);
else
res = TRUE;
gst_caps_unref (tmp_caps);
}
} else {
res =
gst_pad_set_caps (GST_RTP_BASE_DEPAYLOAD_SRCPAD (rtph264depay),
srccaps);
}
gst_caps_unref (srccaps);
/* Insert SPS and PPS into the stream on next opportunity */