diff options
Diffstat (limited to 'audio/audio.c')
-rw-r--r-- | audio/audio.c | 35 |
1 files changed, 24 insertions, 11 deletions
diff --git a/audio/audio.c b/audio/audio.c index 567f953e66..61cdd73df5 100644 --- a/audio/audio.c +++ b/audio/audio.c @@ -2251,26 +2251,39 @@ void audio_rate_start(RateCtl *rate) rate->start_ticks = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); } -size_t audio_rate_get_bytes(struct audio_pcm_info *info, RateCtl *rate, - size_t bytes_avail) +size_t audio_rate_peek_bytes(RateCtl *rate, struct audio_pcm_info *info) { int64_t now; int64_t ticks; int64_t bytes; - int64_t samples; - size_t ret; + int64_t frames; now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); ticks = now - rate->start_ticks; bytes = muldiv64(ticks, info->bytes_per_second, NANOSECONDS_PER_SECOND); - samples = (bytes - rate->bytes_sent) / info->bytes_per_frame; - if (samples < 0 || samples > 65536) { - AUD_log(NULL, "Resetting rate control (%" PRId64 " samples)\n", samples); + frames = (bytes - rate->bytes_sent) / info->bytes_per_frame; + if (frames < 0 || frames > 65536) { + AUD_log(NULL, "Resetting rate control (%" PRId64 " frames)\n", frames); audio_rate_start(rate); - samples = 0; + frames = 0; } - ret = MIN(samples * info->bytes_per_frame, bytes_avail); - rate->bytes_sent += ret; - return ret; + return frames * info->bytes_per_frame; +} + +void audio_rate_add_bytes(RateCtl *rate, size_t bytes_used) +{ + rate->bytes_sent += bytes_used; +} + +size_t audio_rate_get_bytes(struct audio_pcm_info *info, RateCtl *rate, + size_t bytes_avail) +{ + size_t bytes; + + bytes = audio_rate_peek_bytes(rate, info); + bytes = MIN(bytes, bytes_avail); + audio_rate_add_bytes(rate, bytes); + + return bytes; } |