[Libav-user] 回复： (no subject)
Steven Liu
lingjiujianke at gmail.com
Thu Dec 22 10:27:13 EET 2016
2016-12-22 15:53 GMT+08:00 sea <2509044372 at qq.com>:
> Source code can be seen here: http://blog.csdn.net/leixiaohua1020/article/
> details/26838535/
> Project can be download here: http://download.csdn.net/
> detail/leixiaohua1020/7394649
> I did not modify the code, only changed the input parameters.
>
> I saw there have many avio_open, which one give you error message?
>
> ------------------ 原始邮件 ------------------
> *发件人:* "Steven Liu";<lingjiujianke at gmail.com>;
> *发送时间:* 2016年12月22日(星期四) 上午10:00
> *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)
>
>
>
> 2016-12-22 9:40 GMT+08:00 Blake Senftner <bsenftner at earthlink.net>:
>
>> Below is my code I posted earlier this week. The code earlier in this
>> email thread replaces the "opening of a stream" portion of that logic.
>>
>> http://ffmpeg.org/pipermail/libav-user/2016-December/009927.html
>
>
> No, I said to sea sea <2509044372 at qq.com> .
>
>>
>>
>> Sincerely,
>> -Blake Senftner
>> 辣计算机思想
>>
>> > On Dec 21, 2016, at 5:17 PM, Steven Liu <lingjiujianke at gmail.com>
>> wrote:
>> >
>> >
>> >
>> > 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?
>> >> _______________________________________________
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>> >> Libav-user at ffmpeg.org
>> >> http://ffmpeg.org/mailman/listinfo/libav-user
>> >
>> >
>> > _______________________________________________
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>> >
>> >
>> > Code or code link here please!
>> > _______________________________________________
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>>
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>
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