On 2018-12-14 10:47 a.m., Carl Eugen Hoyos wrote:
2018-12-14 15:57 GMT+01:00, drwho <[email protected]>:
(using libavcodec.so.57.64.101)
It appears that the frame_size element in AVCodecContext is not
guaranteed to be none zero either before or after decoding of the first
frame. (it is set before decoding the first frame for mp3)
The frame size for mp3 is known, for flac it has to be determined.
Are you using the flac parser in your code?
I'm not sure if I am using the flac parser. I am using av_read_frame()
and avcoder_decode_audio4() in a similar fashion to this example
<https://ffmpeg.org/doxygen/3.3/demuxing_decoding_8c-example.html#a93>.
As a work around, if frame_size is still zero after a few frames are
decoded, I look at nb_samples in the frame.
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