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rtph264depay: minor refactoring of FU handling code

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Make code easier to follow, and prepare for next commit.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6607>
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Tim-Philipp Müller 2024-04-11 01:27:28 +01:00 committed by GStreamer Marge Bot
parent 777c8a9b15
commit b1a45b527a
1 changed files with 7 additions and 6 deletions
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13
subprojects/gst-plugins-good/gst/rtp/gstrtph264depay.c
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@ -1344,18 +1344,19 @@ gst_rtp_h264_depay_process (GstRTPBaseDepayload * depayload, GstRTPBuffer * rtp)
/* reconstruct NAL header */
nal_header = (payload[0] & 0xe0) | (payload[1] & 0x1f);
/* strip type header, keep FU header, we'll reuse it to reconstruct
* the NAL header. */
payload += 1;
payload_len -= 1;
/* Strip type header, FU header */
payload += 2;
payload_len -= 2;
nalu_size = payload_len;
nalu_size = 1 + payload_len;
outsize = nalu_size + sizeof (sync_bytes);
outbuf = gst_buffer_new_and_alloc (outsize);
/* Sync_bytes or nalu_length will be set later once NALU is complete.
* Need to reconstruct NALU header from type header and FU header. */
gst_buffer_map (outbuf, &map, GST_MAP_WRITE);
memcpy (map.data + sizeof (sync_bytes), payload, nalu_size);
map.data[sizeof (sync_bytes)] = nal_header;
memcpy (map.data + sizeof (sync_bytes) + 1, payload, payload_len);
gst_buffer_unmap (outbuf, &map);
gst_rtp_copy_video_meta (rtph264depay, outbuf, rtp->buffer);