[FFmpeg-user] Unable to pipe fdk_aac output

[andrew at sonar.sg]

> On Apr 10, 2013 5:07 PM, "Andrew Crothers" <andrew at sonar.sg> wrote:
>>
>> Hi all,
>>
>> I having major problems piping aac output.
>>
>> No problems writing directly to a file, but I just can't pipe!
>>
>> Any help out there?
>>
>>
>> Input:
>>
>> ffmpeg -i source.wav -c:a libfdk_aac -profile:a aac_he_v2 -b:a 32k
>> pipe:1
>>
>> Result:
>>
>> ffmpeg version 1.2 Copyright (c) 2000-2013 the FFmpeg developers
>>   built on Apr 11 2013 06:57:44 with llvm-gcc 4.2.1 (LLVM build
> 2336.11.00)
>>   configuration: --enable-libaacplus --enable-libfdk_aac
>> --enable-libopus
> --enable-libfaac --enable-nonfree
>>   libavutil      52. 18.100 / 52. 18.100
>>   libavcodec     54. 92.100 / 54. 92.100
>>   libavformat    54. 63.104 / 54. 63.104
>>   libavdevice    54.  3.103 / 54.  3.103
>>   libavfilter     3. 42.103 /  3. 42.103
>>   libswscale      2.  2.100 /  2.  2.100
>>   libswresample   0. 17.102 /  0. 17.102
>> [wav @ 0x7fec2403d800] max_analyze_duration 5000000 reached at 5015510
> microseconds
>> Guessed Channel Layout for  Input Stream #0.0 : stereo
>> Input #0, wav, from 'source.wav':
>>   Metadata:
>>     copyright       : ? ueberschall 2003
>>   Duration: 00:00:30.00, bitrate: 1411 kb/s
>>     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz,
> stereo, s16, 1411 kb/s
>> [NULL @ 0x7fec2405e200] Unable to find a suitable output format for
> 'pipe:1'
>> pipe:1: Invalid argument
>
> You did not specify the output format. Try this:
>
> ffmpeg -i source.wav -c:a libfdk_aac -profile:a aac_he_v2 -b:a 32k -f adts
> pipe:1
>
> Timothy Gu
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>

Perfect!!

Many thanks Timothy