[Ssc-dev] Sample for FFMPEG metadata attachment
Harlo Holmes
harlo.holmes at gmail.com
Tue Aug 21 15:41:18 EDT 2012
but, that output you posted looks correct.
On Aug 21, 2012 3:40 PM, "Harlo Holmes" <harlo.holmes at gmail.com> wrote:
> unfortunately my computer is dead; I won't be able to get to ffmpeg until
> later tonight (when my new one arrives!)
>
> will update you as soon as I can, though
> On Aug 21, 2012 3:26 PM, "Hans-Christoph Steiner" <
> hans at guardianproject.info> wrote:
>
>>
>> Hey Harlo,
>>
>> It seems that ffmpeg 0.11.1 works for the metadata embedding, and I've
>> gotten the audio and video plugins to build in 0.11.1 (just about to
>> test them). How do I know that the metadata stuff is working right?
>> (Perhaps you could jump on IRC)
>>
>>
>> $ ./ffmpeg -i test.mp4 \
>> -attach attach.txt -metadata:s:2 mimetype=text/plain \
>> -acodec copy -vcodec copy testattach.mkv
>> ffmpeg version 0.11.1 Copyright (c) 2000-2012 the FFmpeg developers
>> built on Aug 21 2012 14:53:31 with gcc 4.6.3
>> configuration:
>> libavutil 51. 54.100 / 51. 54.100
>> libavcodec 54. 23.100 / 54. 23.100
>> libavformat 54. 6.100 / 54. 6.100
>> libavdevice 54. 0.100 / 54. 0.100
>> libavfilter 2. 77.100 / 2. 77.100
>> libswscale 2. 1.100 / 2. 1.100
>> libswresample 0. 15.100 / 0. 15.100
>> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test.mp4':
>> Metadata:
>> major_brand : isom
>> minor_version : 512
>> compatible_brands: isomiso2avc1mp41
>> encoder : Lavf53.32.100
>> Duration: 00:01:00.06, start: 0.000000, bitrate: 2364 kb/s
>> Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
>> 720x480, 2303 kb/s, 29.96 fps, 29.92 tbr, 359 tbn, 59.83 tbc
>> Metadata:
>> handler_name : VideoHandler
>> Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 16000 Hz, mono,
>> s16, 61 kb/s
>> Metadata:
>> handler_name : SoundHandler
>> ret 1, stream_spec 2
>> Output #0, matroska, to 'testattach.mkv':
>> Metadata:
>> major_brand : isom
>> minor_version : 512
>> compatible_brands: isomiso2avc1mp41
>> encoder : Lavf54.6.100
>> Stream #0:0(eng): Video: h264 (avc1 / 0x31637661), yuv420p, 720x480,
>> q=2-31, 2303 kb/s, 29.96 fps, 1k tbn, 359 tbc
>> Metadata:
>> handler_name : VideoHandler
>> Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 16000 Hz, mono, 61
>> kb/s
>> Metadata:
>> handler_name : SoundHandler
>> Stream #0:2: Attachment: none
>> Metadata:
>> filename : attach.txt
>> mimetype : text/plain
>> Stream mapping:
>> Stream #0:0 -> #0:0 (copy)
>> Stream #0:1 -> #0:1 (copy)
>> File attach.txt -> Stream #0:2
>> Press [q] to stop, [?] for help
>> frame= 1796 fps=0.0 q=-1.0 Lsize= 17325kB time=00:00:00.00 bitrate=
>> 0.0kbits/s
>> video:16855kB audio:450kB global headers:0kB muxing overhead 0.116950%
>>
>>
>> On 08/21/2012 03:07 PM, Harlo Holmes wrote:
>> > Nope; redaction isn't needed for the IBA version of informacam.
>> >
>> > On Tue, Aug 21, 2012 at 2:36 PM, Hans-Christoph Steiner <
>> > hans at guardianproject.info> wrote:
>> >
>> >>
>> >> I was just working with ffmpeg master and the bad news is that neither
>> >> the audio nor video redaction plugin is close to compiling for
>> >> ffmpeg/master. It seems they've changed the plugin API quite a bit
>> >> between 0.10.4 and master.
>> >>
>> >> IIRC, Harlo, for this round, you don't need redaction for InformaCam?
>> >>
>> >> .hc
>> >>
>> >> On 08/16/2012 04:35 PM, Harlo Holmes wrote:
>> >>> Hi Hans,
>> >>>
>> >>> As requested, here's the output from FFMPEG as I create a MKV from a
>> >> source
>> >>> video with an arbitrary file attached:
>> >>>
>> >>> $ ffmpeg -i testvid.mp4 -attach attach.txt -metadata:s:2
>> >>> mimetype=text/plain -acodec copy -vcodec copy testattach.mkv
>> >>>
>> >>> ffmpeg version N-42045-g439e32f Copyright (c) 2000-2012 the FFmpeg
>> >>> developers
>> >>> built on Jun 29 2012 14:57:14 with llvm_gcc 4.2.1 (Based on Apple
>> Inc.
>> >>> build 5658) (LLVM build 2336.1.00)
>> >>> configuration: --enable-libmp3lame --enable-shared --disable-mmx
>> >>> --arch=x86_64
>> >>> libavutil 51. 63.100 / 51. 63.100
>> >>> libavcodec 54. 31.100 / 54. 31.100
>> >>> libavformat 54. 14.100 / 54. 14.100
>> >>> libavdevice 54. 0.100 / 54. 0.100
>> >>> libavfilter 3. 0.100 / 3. 0.100
>> >>> libswscale 2. 1.100 / 2. 1.100
>> >>> libswresample 0. 15.100 / 0. 15.100
>> >>> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'testvid.mp4':
>> >>> Metadata:
>> >>> major_brand : isom
>> >>> minor_version : 0
>> >>> compatible_brands: isom3gp4
>> >>> creation_time : 1946-02-27 18:15:01
>> >>> Duration: 00:00:13.84, start: 0.000000, bitrate: 8348 kb/s
>> >>> Stream #0:0(eng): Video: h264 (Baseline) (avc1 / 0x31637661),
>> >> yuv420p,
>> >>> 1280x720, 8104 kb/s, SAR 65536:65536 DAR 16:9, 30 fps, 30 tbr, 90k
>> tbn,
>> >>> 180k tbc
>> >>> Metadata:
>> >>> rotate : 90
>> >>> creation_time : 1946-02-27 18:15:01
>> >>> handler_name : VideoHandle
>> >>> Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, mono,
>> >> s16,
>> >>> 96 kb/s
>> >>> Metadata:
>> >>> creation_time : 1946-02-27 18:15:01
>> >>> handler_name : SoundHandle
>> >>> File 'testattach.mkv' already exists. Overwrite ? [y/N] y
>> >>> Output #0, matroska, to 'testattach.mkv':
>> >>> Metadata:
>> >>> major_brand : isom
>> >>> minor_version : 0
>> >>> compatible_brands: isom3gp4
>> >>> encoder : Lavf54.14.100
>> >>> Stream #0:0(eng): Video: h264 (avc1 / 0x31637661), yuv420p,
>> 1280x720
>> >>> [SAR 65536:65536 DAR 16:9], q=2-31, 8104 kb/s, 30 fps, 1k tbn, 90k tbc
>> >>> Metadata:
>> >>> rotate : 90
>> >>> creation_time : 1946-02-27 18:15:01
>> >>> handler_name : VideoHandle
>> >>> Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, mono,
>> 96
>> >>> kb/s
>> >>> Metadata:
>> >>> creation_time : 1946-02-27 18:15:01
>> >>> handler_name : SoundHandle
>> >>> Stream #0:2: Attachment: none
>> >>> Metadata:
>> >>> filename : attach.txt
>> >>> mimetype : text/plain
>> >>> Stream mapping:
>> >>> Stream #0:0 -> #0:0 (copy)
>> >>> Stream #0:1 -> #0:1 (copy)
>> >>> File attach.txt -> Stream #0:2
>> >>> Press [q] to stop, [?] for help
>> >>> frame= 411 fps=0.0 q=-1.0 Lsize= 13723kB time=00:00:00.00 bitrate=
>> >>> 0.0kbits/s
>> >>> video:13551kB audio:162kB subtitle:0 global headers:0kB muxing
>> overhead
>> >>> 0.067430%
>> >>>
>> >>>
>> >>> Thanks,
>> >>> Harlo
>> >>>
>> >>> ++++++++++++++++++++++++++
>> >>> Research Fellow, Head of Metadata
>> >>> The Guardian Project <https://guardianproject.info>
>> >>>
>> >>> pgp: 0xA4469630
>> >>> twitter: @harlo
>> >>>
>> >>>
>> >>>
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>
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