diff options
Diffstat (limited to 'audio/paaudio.c')
-rw-r--r-- | audio/paaudio.c | 372 |
1 files changed, 45 insertions, 327 deletions
diff --git a/audio/paaudio.c b/audio/paaudio.c index bfef9ac..75fce53 100644 --- a/audio/paaudio.c +++ b/audio/paaudio.c @@ -9,7 +9,6 @@ #define AUDIO_CAP "pulseaudio" #include "audio_int.h" -#include "audio_pt_int.h" typedef struct PAConnection { char *server; @@ -30,28 +29,16 @@ typedef struct { typedef struct { HWVoiceOut hw; - size_t done; - size_t live; - size_t decr; - size_t rpos; pa_stream *stream; - void *pcm_buf; - struct audio_pt pt; paaudio *g; size_t samples; } PAVoiceOut; typedef struct { HWVoiceIn hw; - size_t done; - size_t dead; - size_t incr; - size_t wpos; pa_stream *stream; - void *pcm_buf; - struct audio_pt pt; const void *read_data; - size_t read_index, read_length; + size_t read_length; paaudio *g; size_t samples; } PAVoiceIn; @@ -89,298 +76,96 @@ static inline int PA_STREAM_IS_GOOD(pa_stream_state_t x) } #endif -#define CHECK_SUCCESS_GOTO(c, rerror, expression, label) \ +#define CHECK_SUCCESS_GOTO(c, expression, label, msg) \ do { \ if (!(expression)) { \ - if (rerror) { \ - *(rerror) = pa_context_errno ((c)->context); \ - } \ + qpa_logerr(pa_context_errno((c)->context), msg); \ goto label; \ } \ } while (0) -#define CHECK_DEAD_GOTO(c, stream, rerror, label) \ +#define CHECK_DEAD_GOTO(c, stream, label, msg) \ do { \ if (!(c)->context || !PA_CONTEXT_IS_GOOD (pa_context_get_state((c)->context)) || \ !(stream) || !PA_STREAM_IS_GOOD (pa_stream_get_state ((stream)))) { \ if (((c)->context && pa_context_get_state ((c)->context) == PA_CONTEXT_FAILED) || \ ((stream) && pa_stream_get_state ((stream)) == PA_STREAM_FAILED)) { \ - if (rerror) { \ - *(rerror) = pa_context_errno ((c)->context); \ - } \ + qpa_logerr(pa_context_errno((c)->context), msg); \ } else { \ - if (rerror) { \ - *(rerror) = PA_ERR_BADSTATE; \ - } \ + qpa_logerr(PA_ERR_BADSTATE, msg); \ } \ goto label; \ } \ } while (0) -static int qpa_simple_read (PAVoiceIn *p, void *data, size_t length, int *rerror) +static size_t qpa_read(HWVoiceIn *hw, void *data, size_t length) { + PAVoiceIn *p = (PAVoiceIn *) hw; PAConnection *c = p->g->conn; + size_t l; + int r; pa_threaded_mainloop_lock(c->mainloop); - CHECK_DEAD_GOTO(c, p->stream, rerror, unlock_and_fail); - - while (length > 0) { - size_t l; - - while (!p->read_data) { - int r; - - r = pa_stream_peek (p->stream, &p->read_data, &p->read_length); - CHECK_SUCCESS_GOTO(c, rerror, r == 0, unlock_and_fail); - - if (!p->read_data) { - pa_threaded_mainloop_wait(c->mainloop); - CHECK_DEAD_GOTO(c, p->stream, rerror, unlock_and_fail); - } else { - p->read_index = 0; - } - } - - l = p->read_length < length ? p->read_length : length; - memcpy (data, (const uint8_t *) p->read_data+p->read_index, l); - - data = (uint8_t *) data + l; - length -= l; + CHECK_DEAD_GOTO(c, p->stream, unlock_and_fail, + "pa_threaded_mainloop_lock failed\n"); - p->read_index += l; - p->read_length -= l; + if (!p->read_length) { + r = pa_stream_peek(p->stream, &p->read_data, &p->read_length); + CHECK_SUCCESS_GOTO(c, r == 0, unlock_and_fail, + "pa_stream_peek failed\n"); + } - if (!p->read_length) { - int r; + l = MIN(p->read_length, length); + memcpy(data, p->read_data, l); - r = pa_stream_drop (p->stream); - p->read_data = NULL; - p->read_length = 0; - p->read_index = 0; + p->read_data += l; + p->read_length -= l; - CHECK_SUCCESS_GOTO(c, rerror, r == 0, unlock_and_fail); - } + if (!p->read_length) { + r = pa_stream_drop(p->stream); + CHECK_SUCCESS_GOTO(c, r == 0, unlock_and_fail, + "pa_stream_drop failed\n"); } pa_threaded_mainloop_unlock(c->mainloop); - return 0; + return l; unlock_and_fail: pa_threaded_mainloop_unlock(c->mainloop); - return -1; + return 0; } -static int qpa_simple_write (PAVoiceOut *p, const void *data, size_t length, int *rerror) +static size_t qpa_write(HWVoiceOut *hw, void *data, size_t length) { + PAVoiceOut *p = (PAVoiceOut *) hw; PAConnection *c = p->g->conn; + size_t l; + int r; pa_threaded_mainloop_lock(c->mainloop); - CHECK_DEAD_GOTO(c, p->stream, rerror, unlock_and_fail); + CHECK_DEAD_GOTO(c, p->stream, unlock_and_fail, + "pa_threaded_mainloop_lock failed\n"); - while (length > 0) { - size_t l; - int r; + l = pa_stream_writable_size(p->stream); - while (!(l = pa_stream_writable_size (p->stream))) { - pa_threaded_mainloop_wait(c->mainloop); - CHECK_DEAD_GOTO(c, p->stream, rerror, unlock_and_fail); - } - - CHECK_SUCCESS_GOTO(c, rerror, l != (size_t) -1, unlock_and_fail); - - if (l > length) { - l = length; - } + CHECK_SUCCESS_GOTO(c, l != (size_t) -1, unlock_and_fail, + "pa_stream_writable_size failed\n"); - r = pa_stream_write (p->stream, data, l, NULL, 0LL, PA_SEEK_RELATIVE); - CHECK_SUCCESS_GOTO(c, rerror, r >= 0, unlock_and_fail); - - data = (const uint8_t *) data + l; - length -= l; + if (l > length) { + l = length; } + r = pa_stream_write(p->stream, data, l, NULL, 0LL, PA_SEEK_RELATIVE); + CHECK_SUCCESS_GOTO(c, r >= 0, unlock_and_fail, "pa_stream_write failed\n"); + pa_threaded_mainloop_unlock(c->mainloop); - return 0; + return l; unlock_and_fail: pa_threaded_mainloop_unlock(c->mainloop); - return -1; -} - -static void *qpa_thread_out (void *arg) -{ - PAVoiceOut *pa = arg; - HWVoiceOut *hw = &pa->hw; - - if (audio_pt_lock(&pa->pt, __func__)) { - return NULL; - } - - for (;;) { - size_t decr, to_mix, rpos; - - for (;;) { - if (pa->done) { - goto exit; - } - - if (pa->live > 0) { - break; - } - - if (audio_pt_wait(&pa->pt, __func__)) { - goto exit; - } - } - - decr = to_mix = MIN(pa->live, pa->samples >> 5); - rpos = pa->rpos; - - if (audio_pt_unlock(&pa->pt, __func__)) { - return NULL; - } - - while (to_mix) { - int error; - size_t chunk = MIN (to_mix, hw->samples - rpos); - struct st_sample *src = hw->mix_buf + rpos; - - hw->clip (pa->pcm_buf, src, chunk); - - if (qpa_simple_write (pa, pa->pcm_buf, - chunk << hw->info.shift, &error) < 0) { - qpa_logerr (error, "pa_simple_write failed\n"); - return NULL; - } - - rpos = (rpos + chunk) % hw->samples; - to_mix -= chunk; - } - - if (audio_pt_lock(&pa->pt, __func__)) { - return NULL; - } - - pa->rpos = rpos; - pa->live -= decr; - pa->decr += decr; - } - - exit: - audio_pt_unlock(&pa->pt, __func__); - return NULL; -} - -static size_t qpa_run_out(HWVoiceOut *hw, size_t live) -{ - size_t decr; - PAVoiceOut *pa = (PAVoiceOut *) hw; - - if (audio_pt_lock(&pa->pt, __func__)) { - return 0; - } - - decr = MIN (live, pa->decr); - pa->decr -= decr; - pa->live = live - decr; - hw->rpos = pa->rpos; - if (pa->live > 0) { - audio_pt_unlock_and_signal(&pa->pt, __func__); - } - else { - audio_pt_unlock(&pa->pt, __func__); - } - return decr; -} - -/* capture */ -static void *qpa_thread_in (void *arg) -{ - PAVoiceIn *pa = arg; - HWVoiceIn *hw = &pa->hw; - - if (audio_pt_lock(&pa->pt, __func__)) { - return NULL; - } - - for (;;) { - size_t incr, to_grab, wpos; - - for (;;) { - if (pa->done) { - goto exit; - } - - if (pa->dead > 0) { - break; - } - - if (audio_pt_wait(&pa->pt, __func__)) { - goto exit; - } - } - - incr = to_grab = MIN(pa->dead, pa->samples >> 5); - wpos = pa->wpos; - - if (audio_pt_unlock(&pa->pt, __func__)) { - return NULL; - } - - while (to_grab) { - int error; - size_t chunk = MIN (to_grab, hw->samples - wpos); - void *buf = advance (pa->pcm_buf, wpos); - - if (qpa_simple_read (pa, buf, - chunk << hw->info.shift, &error) < 0) { - qpa_logerr (error, "pa_simple_read failed\n"); - return NULL; - } - - hw->conv (hw->conv_buf + wpos, buf, chunk); - wpos = (wpos + chunk) % hw->samples; - to_grab -= chunk; - } - - if (audio_pt_lock(&pa->pt, __func__)) { - return NULL; - } - - pa->wpos = wpos; - pa->dead -= incr; - pa->incr += incr; - } - - exit: - audio_pt_unlock(&pa->pt, __func__); - return NULL; -} - -static size_t qpa_run_in(HWVoiceIn *hw) -{ - size_t live, incr, dead; - PAVoiceIn *pa = (PAVoiceIn *) hw; - - if (audio_pt_lock(&pa->pt, __func__)) { - return 0; - } - - live = audio_pcm_hw_get_live_in (hw); - dead = hw->samples - live; - incr = MIN (dead, pa->incr); - pa->incr -= incr; - pa->dead = dead - incr; - hw->wpos = pa->wpos; - if (pa->dead > 0) { - audio_pt_unlock_and_signal(&pa->pt, __func__); - } - else { - audio_pt_unlock(&pa->pt, __func__); - } - return incr; + return 0; } static pa_sample_format_t audfmt_to_pa (AudioFormat afmt, int endianness) @@ -468,13 +253,6 @@ static void stream_state_cb (pa_stream *s, void * userdata) } } -static void stream_request_cb (pa_stream *s, size_t length, void *userdata) -{ - PAConnection *c = userdata; - - pa_threaded_mainloop_signal(c->mainloop, 0); -} - static pa_stream *qpa_simple_new ( PAConnection *c, const char *name, @@ -497,8 +275,6 @@ static pa_stream *qpa_simple_new ( } pa_stream_set_state_callback(stream, stream_state_cb, c); - pa_stream_set_read_callback(stream, stream_request_cb, c); - pa_stream_set_write_callback(stream, stream_request_cb, c); flags = PA_STREAM_INTERPOLATE_TIMING @@ -579,28 +355,9 @@ static int qpa_init_out(HWVoiceOut *hw, struct audsettings *as, hw->samples = pa->samples = audio_buffer_samples( qapi_AudiodevPaPerDirectionOptions_base(ppdo), &obt_as, ppdo->buffer_length); - pa->pcm_buf = audio_calloc(__func__, hw->samples, 1 << hw->info.shift); - pa->rpos = hw->rpos; - if (!pa->pcm_buf) { - dolog("Could not allocate buffer (%zu bytes)\n", - hw->samples << hw->info.shift); - goto fail2; - } - - if (audio_pt_init(&pa->pt, qpa_thread_out, hw, AUDIO_CAP, __func__)) { - goto fail3; - } return 0; - fail3: - g_free (pa->pcm_buf); - pa->pcm_buf = NULL; - fail2: - if (pa->stream) { - pa_stream_unref (pa->stream); - pa->stream = NULL; - } fail1: return -1; } @@ -647,28 +404,9 @@ static int qpa_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque) hw->samples = pa->samples = audio_buffer_samples( qapi_AudiodevPaPerDirectionOptions_base(ppdo), &obt_as, ppdo->buffer_length); - pa->pcm_buf = audio_calloc(__func__, hw->samples, 1 << hw->info.shift); - pa->wpos = hw->wpos; - if (!pa->pcm_buf) { - dolog("Could not allocate buffer (%zu bytes)\n", - hw->samples << hw->info.shift); - goto fail2; - } - - if (audio_pt_init(&pa->pt, qpa_thread_in, hw, AUDIO_CAP, __func__)) { - goto fail3; - } return 0; - fail3: - g_free (pa->pcm_buf); - pa->pcm_buf = NULL; - fail2: - if (pa->stream) { - pa_stream_unref (pa->stream); - pa->stream = NULL; - } fail1: return -1; } @@ -696,42 +434,22 @@ static void qpa_simple_disconnect(PAConnection *c, pa_stream *stream) static void qpa_fini_out (HWVoiceOut *hw) { - void *ret; PAVoiceOut *pa = (PAVoiceOut *) hw; - audio_pt_lock(&pa->pt, __func__); - pa->done = 1; - audio_pt_unlock_and_signal(&pa->pt, __func__); - audio_pt_join(&pa->pt, &ret, __func__); - if (pa->stream) { qpa_simple_disconnect(pa->g->conn, pa->stream); pa->stream = NULL; } - - audio_pt_fini(&pa->pt, __func__); - g_free (pa->pcm_buf); - pa->pcm_buf = NULL; } static void qpa_fini_in (HWVoiceIn *hw) { - void *ret; PAVoiceIn *pa = (PAVoiceIn *) hw; - audio_pt_lock(&pa->pt, __func__); - pa->done = 1; - audio_pt_unlock_and_signal(&pa->pt, __func__); - audio_pt_join(&pa->pt, &ret, __func__); - if (pa->stream) { qpa_simple_disconnect(pa->g->conn, pa->stream); pa->stream = NULL; } - - audio_pt_fini(&pa->pt, __func__); - g_free (pa->pcm_buf); - pa->pcm_buf = NULL; } static int qpa_ctl_out (HWVoiceOut *hw, int cmd, ...) @@ -1005,12 +723,12 @@ static void qpa_audio_fini (void *opaque) static struct audio_pcm_ops qpa_pcm_ops = { .init_out = qpa_init_out, .fini_out = qpa_fini_out, - .run_out = qpa_run_out, + .write = qpa_write, .ctl_out = qpa_ctl_out, .init_in = qpa_init_in, .fini_in = qpa_fini_in, - .run_in = qpa_run_in, + .read = qpa_read, .ctl_in = qpa_ctl_in }; 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