diff options
| -rw-r--r-- | firmware/mpeg.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/firmware/mpeg.c b/firmware/mpeg.c index b5a594f..400a702 100644 --- a/firmware/mpeg.c +++ b/firmware/mpeg.c @@ -1128,15 +1128,20 @@ static bool swap_one_chunk(void) { int free_space_left; int amount_to_swap; + int playable_space; + playable_space = mp3buf_swapwrite - mp3buf_read; + if(playable_space < 0) + playable_space += mp3buflen; + free_space_left = get_unswapped_space(); if(free_space_left == 0 && !play_pending) return false; /* Swap in larger chunks when the user is waiting for the playback - to start */ - if(play_pending) + to start, or when there is dangerously little playable data left */ + if(play_pending || playable_space < MPEG_LOW_WATER_CHUNKSIZE) amount_to_swap = MIN(MPEG_LOW_WATER_CHUNKSIZE, free_space_left); else amount_to_swap = MIN(MPEG_SWAP_CHUNKSIZE, free_space_left); |