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| author | Andree Buschmann <AndreeBuschmann@t-online.de> | 2011-04-19 05:55:54 +0000 |
|---|---|---|
| committer | Andree Buschmann <AndreeBuschmann@t-online.de> | 2011-04-19 05:55:54 +0000 |
| commit | 2358fabb709bcadd300c46e11e74d48f2b115d8e (patch) | |
| tree | 343ac99ac5ffe713319a878ce6fb624973efc7c7 /apps/codecs/aac.c | |
| parent | 8d1d2f8982a8c68a7572a82ebc8409e257e77994 (diff) | |
| download | rockbox-2358fabb709bcadd300c46e11e74d48f2b115d8e.tar.gz rockbox-2358fabb709bcadd300c46e11e74d48f2b115d8e.zip | |
Optimization to latest aac decoder changes. Significantly reduce loop count in m4a_check_sample_offset() during standard playback. Before this change the loop count increased with each decoded chunk and for each frame.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29750 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/codecs/aac.c')
| -rw-r--r-- | apps/codecs/aac.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/apps/codecs/aac.c b/apps/codecs/aac.c index 6bb5ac50ae..8eb2dfd8ce 100644 --- a/apps/codecs/aac.c +++ b/apps/codecs/aac.c @@ -61,6 +61,7 @@ enum codec_status codec_main(void) NeAACDecFrameInfo frame_info; NeAACDecHandle decoder; int err; + uint32_t seek_idx = 0; uint32_t s = 0; uint32_t sbr_fac = 1; unsigned char c = 0; @@ -201,7 +202,8 @@ next_track: sound_samples_done *= sbr_fac; elapsed_time = (sound_samples_done * 10) / (ci->id3->frequency / 100); ci->set_elapsed(elapsed_time); - + seek_idx = 0; + if (i == 0) { lead_trim = ci->id3->lead_trim; @@ -215,8 +217,8 @@ next_track: * "proper" file can have chunks out of order. Why one would want * that an good question (but files with gaps do exist, so who * knows?), so we don't support that - for now, at least. - */ - file_offset = m4a_check_sample_offset(&demux_res, i); + */ + file_offset = m4a_check_sample_offset(&demux_res, i, &seek_idx); if (file_offset > ci->curpos) { |