[flac-dev] libflac doesn't find more than one metadata block

[Hadrien Lacour]

On Mon, Nov 26, 2018 at 12:20:46AM +0100, Hadrien Lacour wrote:
> Hello, I'm currently doing a little music player using libflac and libao. What
> I've currently done works as it should, but I have a problem where only one
> metadata block is detected, even if there are more (it doesn't have the last
> attribute set to true).
>
> This is using flac 1.3.2 on Gentoo amd64.
>
> The main code file is attached, it mainly follows the examples given with the
> libflac and libao doc (using the stream_decoder with all the relevant
> callbacks; including metadata, the one causing me problems here).
> And here's what metaflac --list gives me on a test file:
>
> METADATA block #0
>   type: 0 (STREAMINFO)
>   is last: false
>   length: 34
>   minimum blocksize: 4608 samples
>   maximum blocksize: 4608 samples
>   minimum framesize: 2291 bytes
>   maximum framesize: 10321 bytes
>   sample_rate: 44100 Hz
>   channels: 2
>   bits-per-sample: 16
>   total samples: 8800596
>   MD5 signature: 9e471211972413ceb8febcdc77ef9d68
> METADATA block #1
>   type: 4 (VORBIS_COMMENT)
>   is last: false
>   length: 439
>   vendor string: Lavf57.83.100
>   comments: 14
>     comment[0]: REPLAYGAIN_ALGORITHM=ITU-R BS.1770
>     comment[1]: REPLAYGAIN_REFERENCE_LOUDNESS=-18.00
>     comment[2]: REPLAYGAIN_TRACK_GAIN=8.53 dB
>     comment[3]: REPLAYGAIN_TRACK_PEAK=0.218024
>     comment[4]: REPLAYGAIN_ALBUM_GAIN=-0.03 dB
>     comment[5]: REPLAYGAIN_ALBUM_PEAK=0.695334
>     comment[6]: encoder=Lavf57.83.100
>     comment[7]: ARTIST=Hirilorn
>     comment[8]: TITLE=Return of the Druids
>     comment[9]: TRACKNUMBER=01
>     comment[10]: TRACKTOTAL=9
>     comment[11]: ALBUMARTIST=Hirilorn / Nasav
>     comment[12]: ALBUM=A Hymn to the Ancient Souls / Umr at tawil
>     comment[13]: DATE=2000
> METADATA block #2
>   type: 1 (PADDING)
>   is last: true
>   length: 8192
>
>
> If anyone has the solution or some clues, I'd be glad to hear it.
>
> Regards,
> Hadrien Lacour
>
>
> PS: sorry for posting this also on flac at xiph.org, I confused the two lists


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Sorry, I finally saw `FLAC__stream_decoder_set_metadata_respond_all`. I'd say
it should be at least mentioned in the example decoder, though.