Darwin Streaming Server服务器mp4文件点播返回”415 Unsupported Media Type“错误

Darwin Streaming Server中mp4文件点播失败，通过抓包发现服务器返回”415 Unsupported Media Type“错误，如下：

RTSP/1.0  Unsupported Media Type

Server: DSS/6.0. (Build/526.3; Platform/Linux; Release/Darwin Streaming Server; State/Development; )

Cseq: 

Connection: Close

解决方案如下：

用mp4box来hint文件

yingc@yingc:~/media/video$ MP4Box  h.mp4 -info
* Movie Info *
    Timescale  - Duration ::35.062
    Fragmented File no -  track(s)
    File Brand mp42 - version
    Created: GMT Sun Jul  :: 

File has root IOD ( bytes)
Scene PL 0xff - Graphics PL 0xff - OD PL 0xff
Visual PL: ISO Reserved Profile (0x7f)
Audio PL: High Quality Audio Profile @ Level  (0x0f)
No streams included in root OD

iTunes Info:
    Encoder Software: tv.sohu.com v3.3.0 

Track #  Info - TrackID  - TimeScale  - Duration ::34.920
Media Info: Language "Undetermined" - Type "vide:avc1" -  samples
Visual Track layout: x= y= width= height=
MPEG- Config: Visual Stream - ObjectTypeIndication 0x21
AVC/H264 Video - Visual Size  x
    AVC Info:  SPS -  PPS - Profile Main @ Level
    NAL Unit length bits: 

yingc@yingc:~/media/video$ MP4Box  h.mp4 -hint
Hinting file with Path-MTU  Bytes
Hinting track ID  - Type "avc1:avc1" (H264) - BW  kbps
Hinting track ID  - Type "mp4a:mp4a" (mpeg4-generic) - BW  kbps
Saving h.mp4: 0.500 secs Interleaving

yingc@yingc:~/media/video$ ffprobe h.mp4
ffprobe version 2.2. Copyright (c) - the FFmpeg developers
  built on Apr   :: with gcc 4.6 (Ubuntu/Linaro 4.6.-1ubuntu5)
  configuration: --prefix=/home/yingc/git/thirdparty/av/ffmpeg/output/ffmpeg_build/ --bindir=/home/yingc/git/thirdparty/av/ffmpeg/output/bin --extra-cflags=' -I/home/yingc/git/thirdparty/av/ffmpeg/output/ffmpeg_build/include' --extra-ldflags=-L/home/yingc/git/thirdparty/av/ffmpeg/output/ffmpeg_build/lib --extra-libs=-ldl --enable-gpl --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree --enable-x11grab --disable-stripping --enable-extra-warnings --disable-optimizations --enable-openssl --enable-static --enable-debug=
  libavutil      . 66.100 / . 66.100
  libavcodec     . 52.102 / . 52.102
  libavformat    . 33.100 / . 33.100
  libavdevice    . 10.100 / . 10.100
  libavfilter     .  2.100 /  .  2.100
  libswscale      .  5.102 /  .  5.102
  libswresample   . 18.100 /  . 18.100
  libpostproc    .  3.100 / .  3.100
Input #, mov,mp4,m4a,3gp,3g2,mj2, from 'h.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   :
    compatible_brands: mp42isomavc1
    creation_time   : -- ::
    encoder         : tv.sohu.com v3.3.0
  Duration: ::35.16, start: 0.000000, bitrate:  kb/s
    Stream #:(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt709), 640x368,  kb/s,  fps,  tbr, 90k tbn,  tbc (default)
    Metadata:
      creation_time   : -- ::
    Stream #:(und): Audio: aac (mp4a / 0x6134706D),  Hz, stereo, fltp,  kb/s (default)
    Metadata:
      creation_time   : -- ::
    Stream #:(und): Data: none (rtp  / 0x20707472),  kb/s (default)
    Metadata:
      creation_time   : -- ::
      handler_name    : GPAC ISO Hint Handler
    Stream #:(und): Data: none (rtp  / 0x20707472),  kb/s (default)
    Metadata:
      creation_time   : -- ::
      handler_name    : GPAC ISO Hint Handler
Unsupported codec with id  for input stream
Unsupported codec with id  for input stream 

unhint文件：

yingc@yingc:~/media/video$ MP4Box  h.mp4 -unhint
Removing hint track ID
Removing hint track ID
Saving h.mp4: 0.500 secs Interleaving

yingc@yingc:~/media/video$ ffprobe h.mp4
ffprobe version 2.2. Copyright (c) - the FFmpeg developers
  built on Apr   :: with gcc 4.6 (Ubuntu/Linaro 4.6.-1ubuntu5)
  configuration: --prefix=/home/yingc/git/thirdparty/av/ffmpeg/output/ffmpeg_build/ --bindir=/home/yingc/git/thirdparty/av/ffmpeg/output/bin --extra-cflags=' -I/home/yingc/git/thirdparty/av/ffmpeg/output/ffmpeg_build/include' --extra-ldflags=-L/home/yingc/git/thirdparty/av/ffmpeg/output/ffmpeg_build/lib --extra-libs=-ldl --enable-gpl --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree --enable-x11grab --disable-stripping --enable-extra-warnings --disable-optimizations --enable-openssl --enable-static --enable-debug=
  libavutil      . 66.100 / . 66.100
  libavcodec     . 52.102 / . 52.102
  libavformat    . 33.100 / . 33.100
  libavdevice    . 10.100 / . 10.100
  libavfilter     .  2.100 /  .  2.100
  libswscale      .  5.102 /  .  5.102
  libswresample   . 18.100 /  . 18.100
  libpostproc    .  3.100 / .  3.100
Input #, mov,mp4,m4a,3gp,3g2,mj2, from 'h.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   :
    compatible_brands: mp42isomavc1
    creation_time   : -- ::
    encoder         : tv.sohu.com v3.3.0
  Duration: ::35.02, start: 0.000000, bitrate:  kb/s
    Stream #:(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt709), 640x368,  kb/s,  fps,  tbr, 90k tbn,  tbc (default)
    Metadata:
      creation_time   : -- ::
    Stream #:(und): Audio: aac (mp4a / 0x6134706D),  Hz, stereo, fltp,  kb/s (default)
    Metadata:
      creation_time   : -- ::

参考：

用mp4box来hint文件的操作很简单