[Libav-user] 回复： (no subject)

[Steven Liu]

2016-12-22 0:32 GMT+08:00 sea <2509044372 at qq.com>:

> Thank you very much.  I download a   .mov file from
> http://www.hd-trailers.net/movie/rogue-one-a-star-wars-story/, but get
> the same result,  avcodec_open2 returns -1.
>
> Function  av_dump_format gives .mov file information as :
> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '1.mov':
>   Metadata:
>     major_brand     : qt
>     minor_version   : 537199360
>     compatible_brands: qt
>     creation_time   : 2016-12-15 23:51:52
>     timecode        : 01:00:49:17
>   Duration: 00:00:43.00, start: 0.000000, bitrate: 1080 kb/s
>     Stream #0:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv,
> bt709), 848x360, 997 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 48k tbc (default)
>     Metadata:
>       creation_time   : 2016-12-15 23:51:52
>       handler_name    : Apple Video Media Handler
>       encoder         : H.264
>     Stream #0:1(eng): Data: none (tmcd / 0x64636D74), 0 kb/s (default)
>     Metadata:
>       creation_time   : 2016-12-15 23:51:52
>       handler_name    : Time Code Media Handler
>       timecode        : 01:00:49:17
>     Stream #0:2(eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo,
> fltp, 76 kb/s (default)
>     Metadata:
>       creation_time   : 2016-12-15 23:51:52
>       handler_name    : Apple Sound Media Handler
>
>
> I tried the stream address  rtmp://live.hkstv.hk.lxdns.com/live/hks,  the
> video stream has the type of h264.  avcodec_open2 returns -1.
> av_dump_format print as:
> Input #0, flv, from 'rtmp://live.hkstv.hk.lxdns.com/live/hks':
>   Metadata:
>     author          : PowerSmart
>     copyright       :
>     description     :
>     datarate        : 500
>     livetime        : 1470020146
>     timeshift       : 0
>   Duration: 01:00:00.00, start: 0.000000, bitrate: N/A
>     Stream #0:0: Video: h264 (Constrained Baseline), yuv420p, 640x480,
> 15.17 fps, 15 tbr, 1k tbn, 30 tbc
>     Stream #0:1: Audio: aac, 32000 Hz, stereo, fltp
>
>
>
>
>
>
>
> ------------------ 原始邮件 ------------------
> *发件人:* "Blake Senftner";<bsenftner at earthlink.net>;
> *发送时间:* 2016年12月21日(星期三) 晚上11:46
> *收件人:* "This list is about using libavcodec, libavformat,
> libavutil,libavdevice and libavfilter."<libav-user at ffmpeg.org>;
> *主题:* Re: [Libav-user] (no subject)
>
> Is the h264 file you are using available online to test against?
>
> I have been using the h264 film trailers from here
> http://www.hd-trailers.net/movie/rogue-one-a-star-wars-story/
>
> And they open and play without issue. Do you get the same issue with your
> software using one of these clips?
>
> You may need to post your function that opens a stream up to the point
> where you call avcodec_open2()...
>
> Sincerely,
> -Blake Senftner
> Computer Stuff
>
> On Dec 21, 2016, at 7:24 AM, sea <2509044372 at qq.com> wrote:
>
> In transcoding project of LeiXiaoHua(demo of usage of filters), if I use
> media file with h264 video stream as input file, the function  avcodec_open2
> will return -1.  Media file with video stream in other format, such as
> mpeg4, mjpeg return 0 (OK). Why ? Someone meets the same problem?
> _______________________________________________
> Libav-user mailing list
> Libav-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/libav-user
>
>
>
> _______________________________________________
> Libav-user mailing list
> Libav-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/libav-user
>
>
Code or code link here please!
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://ffmpeg.org/pipermail/libav-user/attachments/20161222/04800b61/attachment.html>