[FFmpeg-devel] [PATCH 31/36] fftools/ffmpeg_dec: restructure audio/video decoding loop

[Michael Niedermayer]

On Wed, May 17, 2023 at 10:04:09PM +0200, Michael Niedermayer wrote:
> On Wed, May 17, 2023 at 12:20:24PM +0200, Anton Khirnov wrote:
> > It currently emulates the long-removed
> > avcodec_decode_audio4/avcodec_decode_video2 APIs, which obfuscates the
> > actual decoding flow. Restructure the decoding calls so that they
> > naturally follow the new avcodec_send_packet()/avcodec_receive_frame()
> > design.
> > 
> > This is not only significantly easier to read, but also shorter.
> 
> with this:
> ./ffmpeg -y -threads:a 1 -i tickets/1208/702121h264-TTA.mkvtest82.mkv -bitexact -vn file1208.mp3
> 
> Both before and afterwards the output is empty and we see
> 
> Finishing stream without any data written to it.
> Output file is empty, nothing was encoded
> 
> after this patch while the output is not any better, now ffmpeg proclaims
> success with its return code
> 
> just to be sure i try reading the output
> 
> [mp3 @ 0x5635bab17900] Format mp3 detected only with low score of 1, misdetection possible!
> [mp3 @ 0x5635bab17900] Failed to read frame size: Could not seek to 1026.
> [in#0 @ 0x5635bab177c0] Error opening input: Invalid argument
> 
> I dont think that convertion was successfull

fiel seems here:
ffmpeg-bugs/trac/ticket1208/702121h264-TTA.mkvtest82.mkv

[...]


-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

During times of universal deceit, telling the truth becomes a
revolutionary act. -- George Orwell
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