Changes between Version 43 and Version 44 of Video_Users_Guide

Timestamp:

Mar 21, 2012 4:27:24 AM (11 years ago)

Author:

ming

Comment:

--

Video_Users_Guide

@@ -322 +322 @@
 /* 1st preference: 352 x 288 (CIF) */
 pjmedia_vid_codec_param.dec_fmtp.param[n].name = pj_str("CIF");
-pjmedia_vid_codec_param.dec_fmtp.param[n].value = pj_str("1"); /* the value actually specifies framerate, see framerate section below */
+/* The value actually specifies framerate, see framerate section below */
+pjmedia_vid_codec_param.dec_fmtp.param[n].value = pj_str("1");
 /* 2nd preference: 176 x 144 (QCIF) */
 pjmedia_vid_codec_param.dec_fmtp.param[n+1].name = pj_str("QCIF");
-pjmedia_vid_codec_param.dec_fmtp.param[n+1].value = pj_str("1"); /* the value actually specifies framerate, see framerate section below */
+/* The value actually specifies framerate, see framerate section below */
+pjmedia_vid_codec_param.dec_fmtp.param[n+1].value = pj_str("1");
          }}}
        - H264, the size is implicitly specified in H264 level (check the standard specification or [http://en.wikipedia.org/wiki/H.264/MPEG-4_AVC#Levels this]) and on SDP, the H264 level is signalled via H264 SDP fmtp [http://tools.ietf.org/html/rfc6184#section-8.1 profile-level-id], e.g:
@@ -331 +333 @@
 /* Can receive up to 1280×720 @30fps */
 pjmedia_vid_codec_param.dec_fmtp.param[n].name = pj_str("profile-level-id");
-pjmedia_vid_codec_param.dec_fmtp.param[n].value = pj_str("xxxx1f"); /* "1f" means level 3.1 */
+/* Set the profile level to "1f", which means level 3.1 */
+pjmedia_vid_codec_param.dec_fmtp.param[n].value = pj_str("xxxx1f");
          }}}