bit: check av_new_packet() return value

[ffmpeg] / libavformat / sdp.c

diff --git a/libavformat/sdp.c b/libavformat/sdp.c
index 0f7eb2f00d248e682cc92aeb15e8c76070878023..c4edd783bec580caf881cf787681aa27577adc15 100644 (file)
--- a/libavformat/sdp.c
+++ b/libavformat/sdp.c
@@ -1,20 +1,20 @@
 /*
  * copyright (c) 2007 Luca Abeni
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -438,7 +438,7 @@ static char *sdp_write_media_attributes(char *buff, int size, AVCodecContext *c,
                                      payload_type, config ? config : "");
             break;
         case AV_CODEC_ID_AAC:
-            if (fmt && fmt->oformat->priv_class &&
+            if (fmt && fmt->oformat && fmt->oformat->priv_class &&
                 av_opt_flag_is_set(fmt->priv_data, "rtpflags", "latm")) {
                 config = latm_context2config(c);
                 if (!config)
@@ -575,6 +575,20 @@ static char *sdp_write_media_attributes(char *buff, int size, AVCodecContext *c,
         case AV_CODEC_ID_SPEEX:
             av_strlcatf(buff, size, "a=rtpmap:%d speex/%d\r\n",
                                      payload_type, c->sample_rate);
+            if (c->codec) {
+                const char *mode;
+                uint64_t vad_option;
+
+                if (c->flags & CODEC_FLAG_QSCALE)
+                      mode = "on";
+                else if (!av_opt_get_int(c, "vad", AV_OPT_FLAG_ENCODING_PARAM, &vad_option) && vad_option)
+                      mode = "vad";
+                else
+                      mode = "off";
+
+                av_strlcatf(buff, size, "a=fmtp:%d vbr=%s\r\n",
+                                        payload_type, mode);
+            }
             break;
         case AV_CODEC_ID_OPUS:
             av_strlcatf(buff, size, "a=rtpmap:%d opus/48000\r\n",