diff options
Diffstat (limited to 'audio/audio.c')
| -rw-r--r-- | audio/audio.c | 122 |
1 files changed, 63 insertions, 59 deletions
diff --git a/audio/audio.c b/audio/audio.c index 435bcf20c1..ba07fb77dd 100644 --- a/audio/audio.c +++ b/audio/audio.c @@ -544,8 +544,8 @@ static size_t audio_pcm_hw_find_min_in (HWVoiceIn *hw) static size_t audio_pcm_hw_get_live_in(HWVoiceIn *hw) { size_t live = hw->total_samples_captured - audio_pcm_hw_find_min_in (hw); - if (audio_bug(__func__, live > hw->samples)) { - dolog("live=%zu hw->samples=%zu\n", live, hw->samples); + if (audio_bug(__func__, live > hw->conv_buf->size)) { + dolog("live=%zu hw->conv_buf->size=%zu\n", live, hw->conv_buf->size); return 0; } return live; @@ -554,17 +554,17 @@ static size_t audio_pcm_hw_get_live_in(HWVoiceIn *hw) static void audio_pcm_hw_clip_out(HWVoiceOut *hw, void *pcm_buf, size_t len) { size_t clipped = 0; - size_t pos = hw->rpos; + size_t pos = hw->mix_buf->pos; while (len) { - st_sample *src = hw->mix_buf + pos; + st_sample *src = hw->mix_buf->samples + pos; uint8_t *dst = advance(pcm_buf, clipped << hw->info.shift); - size_t samples_till_end_of_buf = hw->samples - pos; + size_t samples_till_end_of_buf = hw->mix_buf->size - pos; size_t samples_to_clip = MIN(len, samples_till_end_of_buf); hw->clip(dst, src, samples_to_clip); - pos = (pos + samples_to_clip) % hw->samples; + pos = (pos + samples_to_clip) % hw->mix_buf->size; len -= samples_to_clip; clipped += samples_to_clip; } @@ -579,17 +579,17 @@ static size_t audio_pcm_sw_get_rpos_in(SWVoiceIn *sw) ssize_t live = hw->total_samples_captured - sw->total_hw_samples_acquired; ssize_t rpos; - if (audio_bug(__func__, live < 0 || live > hw->samples)) { - dolog("live=%zu hw->samples=%zu\n", live, hw->samples); + if (audio_bug(__func__, live < 0 || live > hw->conv_buf->size)) { + dolog("live=%zu hw->conv_buf->size=%zu\n", live, hw->conv_buf->size); return 0; } - rpos = hw->wpos - live; + rpos = hw->conv_buf->pos - live; if (rpos >= 0) { return rpos; } else { - return hw->samples + rpos; + return hw->conv_buf->size + rpos; } } @@ -599,11 +599,11 @@ static size_t audio_pcm_sw_read(SWVoiceIn *sw, void *buf, size_t size) size_t samples, live, ret = 0, swlim, isamp, osamp, rpos, total = 0; struct st_sample *src, *dst = sw->buf; - rpos = audio_pcm_sw_get_rpos_in (sw) % hw->samples; + rpos = audio_pcm_sw_get_rpos_in(sw) % hw->conv_buf->size; live = hw->total_samples_captured - sw->total_hw_samples_acquired; - if (audio_bug(__func__, live > hw->samples)) { - dolog("live_in=%zu hw->samples=%zu\n", live, hw->samples); + if (audio_bug(__func__, live > hw->conv_buf->size)) { + dolog("live_in=%zu hw->conv_buf->size=%zu\n", live, hw->conv_buf->size); return 0; } @@ -616,11 +616,11 @@ static size_t audio_pcm_sw_read(SWVoiceIn *sw, void *buf, size_t size) swlim = MIN (swlim, samples); while (swlim) { - src = hw->conv_buf + rpos; - if (hw->wpos > rpos) { - isamp = hw->wpos - rpos; + src = hw->conv_buf->samples + rpos; + if (hw->conv_buf->pos > rpos) { + isamp = hw->conv_buf->pos - rpos; } else { - isamp = hw->samples - rpos; + isamp = hw->conv_buf->size - rpos; } if (!isamp) { @@ -630,7 +630,7 @@ static size_t audio_pcm_sw_read(SWVoiceIn *sw, void *buf, size_t size) st_rate_flow (sw->rate, src, dst, &isamp, &osamp); swlim -= osamp; - rpos = (rpos + isamp) % hw->samples; + rpos = (rpos + isamp) % hw->conv_buf->size; dst += osamp; ret += osamp; total += isamp; @@ -678,8 +678,8 @@ static size_t audio_pcm_hw_get_live_out (HWVoiceOut *hw, int *nb_live) if (nb_live1) { size_t live = smin; - if (audio_bug(__func__, live > hw->samples)) { - dolog("live=%zu hw->samples=%zu\n", live, hw->samples); + if (audio_bug(__func__, live > hw->mix_buf->size)) { + dolog("live=%zu hw->mix_buf->size=%zu\n", live, hw->mix_buf->size); return 0; } return live; @@ -699,11 +699,11 @@ static size_t audio_pcm_sw_write(SWVoiceOut *sw, void *buf, size_t size) return size; } - hwsamples = sw->hw->samples; + hwsamples = sw->hw->mix_buf->size; live = sw->total_hw_samples_mixed; if (audio_bug(__func__, live > hwsamples)) { - dolog("live=%zu hw->samples=%zu\n", live, hwsamples); + dolog("live=%zu hw->mix_buf->size=%zu\n", live, hwsamples); return 0; } @@ -714,7 +714,7 @@ static size_t audio_pcm_sw_write(SWVoiceOut *sw, void *buf, size_t size) return 0; } - wpos = (sw->hw->rpos + live) % hwsamples; + wpos = (sw->hw->mix_buf->pos + live) % hwsamples; samples = size >> sw->info.shift; dead = hwsamples - live; @@ -740,7 +740,7 @@ static size_t audio_pcm_sw_write(SWVoiceOut *sw, void *buf, size_t size) st_rate_flow_mix ( sw->rate, sw->buf + pos, - sw->hw->mix_buf + wpos, + sw->hw->mix_buf->samples + wpos, &isamp, &osamp ); @@ -868,7 +868,7 @@ size_t AUD_read(SWVoiceIn *sw, void *buf, size_t size) int AUD_get_buffer_size_out (SWVoiceOut *sw) { - return sw->hw->samples << sw->hw->info.shift; + return sw->hw->mix_buf->size << sw->hw->info.shift; } void AUD_set_active_out (SWVoiceOut *sw, int on) @@ -969,8 +969,9 @@ static size_t audio_get_avail (SWVoiceIn *sw) } live = sw->hw->total_samples_captured - sw->total_hw_samples_acquired; - if (audio_bug(__func__, live > sw->hw->samples)) { - dolog("live=%zu sw->hw->samples=%zu\n", live, sw->hw->samples); + if (audio_bug(__func__, live > sw->hw->conv_buf->size)) { + dolog("live=%zu sw->hw->conv_buf->size=%zu\n", live, + sw->hw->conv_buf->size); return 0; } @@ -993,12 +994,13 @@ static size_t audio_get_free(SWVoiceOut *sw) live = sw->total_hw_samples_mixed; - if (audio_bug(__func__, live > sw->hw->samples)) { - dolog("live=%zu sw->hw->samples=%zu\n", live, sw->hw->samples); + if (audio_bug(__func__, live > sw->hw->mix_buf->size)) { + dolog("live=%zu sw->hw->mix_buf->size=%zu\n", live, + sw->hw->mix_buf->size); return 0; } - dead = sw->hw->samples - live; + dead = sw->hw->mix_buf->size - live; #ifdef DEBUG_OUT dolog ("%s: get_free live %d dead %d ret %" PRId64 "\n", @@ -1023,12 +1025,12 @@ static void audio_capture_mix_and_clear(HWVoiceOut *hw, size_t rpos, n = samples; while (n) { - size_t till_end_of_hw = hw->samples - rpos2; + size_t till_end_of_hw = hw->mix_buf->size - rpos2; size_t to_write = MIN(till_end_of_hw, n); size_t bytes = to_write << hw->info.shift; size_t written; - sw->buf = hw->mix_buf + rpos2; + sw->buf = hw->mix_buf->samples + rpos2; written = audio_pcm_sw_write (sw, NULL, bytes); if (written - bytes) { dolog("Could not mix %zu bytes into a capture " @@ -1037,14 +1039,14 @@ static void audio_capture_mix_and_clear(HWVoiceOut *hw, size_t rpos, break; } n -= to_write; - rpos2 = (rpos2 + to_write) % hw->samples; + rpos2 = (rpos2 + to_write) % hw->mix_buf->size; } } } - n = MIN(samples, hw->samples - rpos); - mixeng_clear(hw->mix_buf + rpos, n); - mixeng_clear(hw->mix_buf, samples - n); + n = MIN(samples, hw->mix_buf->size - rpos); + mixeng_clear(hw->mix_buf->samples + rpos, n); + mixeng_clear(hw->mix_buf->samples, samples - n); } static size_t audio_pcm_hw_run_out(HWVoiceOut *hw, size_t live) @@ -1056,7 +1058,7 @@ static size_t audio_pcm_hw_run_out(HWVoiceOut *hw, size_t live) void *buf = hw->pcm_ops->get_buffer_out(hw, &size); if (!buf) { /* retrying will likely won't help, drop everything. */ - hw->rpos = (hw->rpos + live) % hw->samples; + hw->mix_buf->pos = (hw->mix_buf->pos + live) % hw->mix_buf->size; return clipped + live; } @@ -1067,7 +1069,7 @@ static size_t audio_pcm_hw_run_out(HWVoiceOut *hw, size_t live) live -= proc; clipped += proc; - hw->rpos = (hw->rpos + proc) % hw->samples; + hw->mix_buf->pos = (hw->mix_buf->pos + proc) % hw->mix_buf->size; if (proc == 0 || proc < decr) { break; @@ -1091,8 +1093,8 @@ static void audio_run_out (AudioState *s) live = 0; } - if (audio_bug(__func__, live > hw->samples)) { - dolog ("live=%zu hw->samples=%zu\n", live, hw->samples); + if (audio_bug(__func__, live > hw->mix_buf->size)) { + dolog("live=%zu hw->mix_buf->size=%zu\n", live, hw->mix_buf->size); continue; } @@ -1123,13 +1125,13 @@ static void audio_run_out (AudioState *s) continue; } - prev_rpos = hw->rpos; + prev_rpos = hw->mix_buf->pos; played = audio_pcm_hw_run_out(hw, live); replay_audio_out(&played); - if (audio_bug(__func__, hw->rpos >= hw->samples)) { - dolog("hw->rpos=%zu hw->samples=%zu played=%zu\n", - hw->rpos, hw->samples, played); - hw->rpos = 0; + if (audio_bug(__func__, hw->mix_buf->pos >= hw->mix_buf->size)) { + dolog("hw->mix_buf->pos=%zu hw->mix_buf->size=%zu played=%zu\n", + hw->mix_buf->pos, hw->mix_buf->size, played); + hw->mix_buf->pos = 0; } #ifdef DEBUG_OUT @@ -1186,6 +1188,7 @@ static void audio_run_out (AudioState *s) static size_t audio_pcm_hw_run_in(HWVoiceIn *hw, size_t samples) { size_t conv = 0; + STSampleBuffer *conv_buf = hw->conv_buf; while (samples) { size_t proc; @@ -1199,10 +1202,10 @@ static size_t audio_pcm_hw_run_in(HWVoiceIn *hw, size_t samples) } proc = MIN(size >> hw->info.shift, - hw->samples - hw->wpos); + conv_buf->size - conv_buf->pos); - hw->conv(hw->conv_buf + hw->wpos, buf, proc); - hw->wpos = (hw->wpos + proc) % hw->samples; + hw->conv(conv_buf->samples + conv_buf->pos, buf, proc); + conv_buf->pos = (conv_buf->pos + proc) % conv_buf->size; samples -= proc; conv += proc; @@ -1222,9 +1225,10 @@ static void audio_run_in (AudioState *s) if (replay_mode != REPLAY_MODE_PLAY) { captured = audio_pcm_hw_run_in( - hw, hw->samples - audio_pcm_hw_get_live_in(hw)); + hw, hw->conv_buf->size - audio_pcm_hw_get_live_in(hw)); } - replay_audio_in(&captured, hw->conv_buf, &hw->wpos, hw->samples); + replay_audio_in(&captured, hw->conv_buf->samples, &hw->conv_buf->pos, + hw->conv_buf->size); min = audio_pcm_hw_find_min_in (hw); hw->total_samples_captured += captured - min; @@ -1255,14 +1259,14 @@ static void audio_run_capture (AudioState *s) SWVoiceOut *sw; captured = live = audio_pcm_hw_get_live_out (hw, NULL); - rpos = hw->rpos; + rpos = hw->mix_buf->pos; while (live) { - size_t left = hw->samples - rpos; + size_t left = hw->mix_buf->size - rpos; size_t to_capture = MIN(live, left); struct st_sample *src; struct capture_callback *cb; - src = hw->mix_buf + rpos; + src = hw->mix_buf->samples + rpos; hw->clip (cap->buf, src, to_capture); mixeng_clear (src, to_capture); @@ -1270,10 +1274,10 @@ static void audio_run_capture (AudioState *s) cb->ops.capture (cb->opaque, cap->buf, to_capture << hw->info.shift); } - rpos = (rpos + to_capture) % hw->samples; + rpos = (rpos + to_capture) % hw->mix_buf->size; live -= to_capture; } - hw->rpos = rpos; + hw->mix_buf->pos = rpos; for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { if (!sw->active && sw->empty) { @@ -1321,7 +1325,7 @@ void *audio_generic_get_buffer_in(HWVoiceIn *hw, size_t *size) ssize_t start; if (unlikely(!hw->buf_emul)) { - size_t calc_size = hw->samples << hw->info.shift; + size_t calc_size = hw->conv_buf->size << hw->info.shift; hw->buf_emul = g_malloc(calc_size); hw->size_emul = calc_size; hw->pos_emul = hw->pending_emul = 0; @@ -1357,7 +1361,7 @@ void audio_generic_put_buffer_in(HWVoiceIn *hw, void *buf, size_t size) void *audio_generic_get_buffer_out(HWVoiceOut *hw, size_t *size) { if (unlikely(!hw->buf_emul)) { - size_t calc_size = hw->samples << hw->info.shift; + size_t calc_size = hw->mix_buf->size << hw->info.shift; hw->buf_emul = g_malloc(calc_size); hw->size_emul = calc_size; @@ -1764,11 +1768,11 @@ CaptureVoiceOut *AUD_add_capture( /* XXX find a more elegant way */ hw->samples = 4096 * 4; - hw->mix_buf = g_new0(struct st_sample, hw->samples); + audio_pcm_hw_alloc_resources_out(hw); audio_pcm_init_info (&hw->info, as); - cap->buf = g_malloc0_n(hw->samples, 1 << hw->info.shift); + cap->buf = g_malloc0_n(hw->mix_buf->size, 1 << hw->info.shift); hw->clip = mixeng_clip [hw->info.nchannels == 2] |