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mpeg: Heed dataoffset to avoid passing RIFF header when reading from pipes.

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This commit is contained in:
Arthur Taylor 2021-03-25 15:40:02 -07:00
parent 1a5d40cf21
commit 294eb05633
1 changed files with 2 additions and 3 deletions
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5
src/mpeg_decode.c
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@ -548,7 +548,6 @@ mpeg_decoder_init (SF_PRIVATE *psf)
mpg123_param (pmp3d->pmh, MPG123_ADD_FLAGS, MPG123_NO_FRANKENSTEIN, 1.0) ; mpg123_param (pmp3d->pmh, MPG123_ADD_FLAGS, MPG123_NO_FRANKENSTEIN, 1.0) ;
#endif #endif
psf->dataoffset = 0 ;
/* /*
** Need to pass the first MPEG frame to libmpg123, but that frame was read ** Need to pass the first MPEG frame to libmpg123, but that frame was read
** into psf->binheader in order that we could identify the stream. ** into psf->binheader in order that we could identify the stream.
@ -558,8 +557,8 @@ mpeg_decoder_init (SF_PRIVATE *psf)
** Can't seek, so setup our libmpg123 io callbacks to read the binheader ** Can't seek, so setup our libmpg123 io callbacks to read the binheader
** buffer first. ** buffer first.
*/ */
psf_binheader_readf (psf, "p", 0) ; psf_binheader_readf (psf, "p", psf->dataoffset) ;
pmp3d->header_remaining = psf_binheader_readf (psf, NULL) ; pmp3d->header_remaining = psf_binheader_readf (psf, NULL) - psf->dataoffset ;
/* Tell libmpg123 we can't seek the file. */ /* Tell libmpg123 we can't seek the file. */
mpg123_param (pmp3d->pmh, MPG123_ADD_FLAGS, MPG123_NO_PEEK_END, 1.0) ; mpg123_param (pmp3d->pmh, MPG123_ADD_FLAGS, MPG123_NO_PEEK_END, 1.0) ;