diff options
Diffstat (limited to 'lib/rbcodec/codecs/libm4a/demux.c')
| -rw-r--r-- | lib/rbcodec/codecs/libm4a/demux.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/rbcodec/codecs/libm4a/demux.c b/lib/rbcodec/codecs/libm4a/demux.c index 25462db030..8a424c5187 100644 --- a/lib/rbcodec/codecs/libm4a/demux.c +++ b/lib/rbcodec/codecs/libm4a/demux.c @@ -400,7 +400,8 @@ static bool read_chunk_stsz(qtmovie_t *qtmovie, size_t chunk_len) } else { - DEBUGF("stsz too large, ignoring it\n"); + qtmovie->res->sample_byte_sizes_offset = stream_tell(qtmovie->stream); + DEBUGF("stsz too large: %u, save sample_byte_sizes_offset\n", numsizes); } if (size_remaining) @@ -481,6 +482,14 @@ static bool read_chunk_stco(qtmovie_t *qtmovie, size_t chunk_len) return false; } + // Reading sample_byte_sizes data on seek can lead to additional re-buffering. + // So skip it if we have good enough seek accuracy via lookup_table (3000 ms) + if (qtmovie->res->sample_byte_sizes_offset && ci->id3->length / fit_numentries <= 3000) + { + qtmovie->res->sample_byte_sizes_offset = 0; + DEBUGF("lookup_table seek accuracy %ld ms, ignoring sample_byte_sizes_offset \n", ci->id3->length / fit_numentries); + } + /* Build up lookup table. The lookup table contains the sample index and * byte position in the file for each chunk. This table is used to seek * and resume (see m4a_seek() and m4a_seek_raw() in libm4a/m4a.c) and |