[FFmpeg-user] FFMPEG 3.2.2 - "could not find codec parameters"

[Adam Puckett]

On 12/18/16, Caio Cesar Moreira <profissional at gmail.com> wrote:
> Hi,
>
> I'm trying to dump video frames from a TS file but for some reason ffmpeg
> is failing.
>
> Command used: ffmpeg -i playlist.m3u8 -vcodec -r 1 "output_%04d.png"
> -loglevel 99
>
> m3u8 content:
>
> #EXTM3U
>
> #EXT-X-VERSION:3
>
> #EXT-X-TARGETDURATION:5
>
> #EXT-X-MEDIA-SEQUENCE:160983
>
> #EXT-X-PROGRAM-DATE-TIME:2016-12-17 13:08:01+00:00
>
> #EXT-X-KEY:METHOD=AES-128,URI="key.bin"
>
> #EXTINF:5.0000,
>
> myfile.ts
>
> #EXT-X-ENDLIST
>
> myfile.ts and key.bin are in the same folder as the m3u8 file.
>
> ==============
> OUTPUT:
> ==============
>
> ffmpeg version 3.2.2 Copyright (c) 2000-2016 the FFmpeg developers
>
>   built with llvm-gcc 4.2.1 (LLVM build 2336.11.00)
>
>   configuration: --prefix=/Volumes/Ramdisk/sw --enable-gpl
> --enable-pthreads --enable-version3 --enable-libspeex --enable-libvpx
> --disable-decoder=libvpx --enable-libmp3lame --enable-libtheora
> --enable-libvorbis --enable-libx264 --enable-avfilter
> --enable-libopencore_amrwb --enable-libopencore_amrnb --enable-filters
> --enable-libgsm --enable-libvidstab --enable-libx265 --disable-doc
> --arch=x86_64 --enable-runtime-cpudetect
>
>   libavutil      55. 34.100 / 55. 34.100
>
>   libavcodec     57. 64.101 / 57. 64.101
>
>   libavformat    57. 56.100 / 57. 56.100
>
>   libavdevice    57.  1.100 / 57.  1.100
>
>   libavfilter     6. 65.100 /  6. 65.100
>
>   libswscale      4.  2.100 /  4.  2.100
>
>   libswresample   2.  3.100 /  2.  3.100
>
>   libpostproc    54.  1.100 / 54.  1.100
>
> Splitting the commandline.
>
> Reading option '-i' ... matched as input url with argument 'playlist.m3u8'.
>
> Reading option '-vcodec' ... matched as option 'vcodec' (force video codec
> ('copy' to copy stream)) with argument '-r'.
>
> Reading option '1' ... matched as output url.
>
> Reading option 'output_%04d.png' ... matched as output url.
>
> Reading option '-loglevel' ... matched as option 'loglevel' (set logging
> level) with argument '99'.
>
> Finished splitting the commandline.
>
> Parsing a group of options: global .
>
> Applying option loglevel (set logging level) with argument 99.
>
> Successfully parsed a group of options.
>
> Parsing a group of options: input url playlist.m3u8.
>
> Successfully parsed a group of options.
>
> Opening an input file: playlist.m3u8.
>
> [file @ 0x7fd5f850daa0] Setting default whitelist 'file,crypto'
>
> Probing hls,applehttp score:100 size:245
>
> [hls,applehttp @ 0x7fd5f9002600] Format hls,applehttp probed with size=2048
> and score=100
>
> [hls,applehttp @ 0x7fd5f9002600] new_program: id=0x0000
>
> [hls,applehttp @ 0x7fd5f9002600] HLS request for url
> 'globo-sp1_2564-1481980676-18500029200.ts', offset 0, playlist 0
>
> [AVIOContext @ 0x7fd5f850e1a0] Statistics: 16 bytes read, 0 seeks
>
> Probing mp3 score:1 size:2048
>
> Probing mpeg score:25 size:2048
>
> Probing mpegts score:50 size:2048
>
> Format mpegts probed with size=2048 and score=50
>
> score: 44, dvhs_score: -1, fec_score: -3
>
> [mpegts @ 0x7fd5f900c200] Filter: pid=0x11 type=1
>
> [mpegts @ 0x7fd5f900c200] Filter: pid=0x0 type=1
>
> [AVIOContext @ 0x7fd5f850e1c0] Statistics: 1733924 bytes read, 0 seeks
>
> [mpegts @ 0x7fd5f900c200] tuning done
>
> [hls,applehttp @ 0x7fd5f9002600] Before avformat_find_stream_info() pos:
> 245 bytes read:245 seeks:0 nb_streams:0
>
> [hls,applehttp @ 0x7fd5f9002600] No longer receiving playlist 0
>
> [hls,applehttp @ 0x7fd5f9002600] format: start_time: -9223372036854.775
> duration: 5.000 bitrate=0 kb/s
>
> [hls,applehttp @ 0x7fd5f9002600] After avformat_find_stream_info() pos: 245
> bytes read:245 seeks:0 frames:0
>
> playlist.m3u8: could not find codec parameters
>
> [AVIOContext @ 0x7fd5f850db20] Statistics: 245 bytes read, 0 seeks
>
> ==============
>
> On a Macbook Pro: Darwin 15.6.0 Darwin Kernel Version 15.6.0: Thu Sep  1
> 15:01:16 PDT 2016; root:xnu-3248.60.11~2/RELEASE_X86_64 x86_64
> I tried an older version of FFMPEG (3.1.5) and I get another error message
> for the same command line, which is: Output file #0 does not contain any
> stream.
>
> Any idea of what's going on?
> Thanks in advance!
> Caio
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Please remove "-vcodec" from your command line.