[Asterisk-video] Help with rtsp

[Jesús Gumiel]

I test app_rtsp with the video:
http://sip.fontventa.com/files/sample_300kbit_ulaw.3gp

and I have the next errors:

[Jun 19 14:42:15] DEBUG[26496]: app_transcoder.c:1074
av_log_asterisk_callback: [h263 @ 0x2aaab5cf6b60] header damaged
[Jun 19 14:42:15] DEBUG[26496]: app_transcoder.c:1074
av_log_asterisk_callback: [h263 @ 0x2aaab5cf6b60] Bad picture start
code
[Jun 19 14:42:15] DEBUG[26496]: app_transcoder.c:1074
av_log_asterisk_callback: [h263 @ 0x2aaab5cf6b60] header damaged
[Jun 19 14:42:15] DEBUG[26497]: app_transcoder.c:1074
av_log_asterisk_callback: [h263 @ 0x2aaab5cf6b60] vbv buffer overflow
[Jun 19 14:42:15] DEBUG[26497]: app_transcoder.c:1074
av_log_asterisk_callback: [h263 @ 0x2aaab5cf6b60] vbv buffer overflow
[Jun 19 14:42:15] DEBUG[26497]: app_transcoder.c:1074
av_log_asterisk_callback: [h263 @ 0x2aaab5cf6b60] vbv buffer overflow

I hear the audio but i can´t see the video. Any idea?