Hi
On Thu, Aug 6, 2015 at 8:28 PM, Kővágó, Zoltán <dirty.ice...@gmail.com> wrote:
> Signed-off-by: Kővágó, Zoltán <dirty.ice...@gmail.com>
> ---
> audio/paaudio.c | 301
> ++++++++++++++++++++++++++++++++------------------------
> 1 file changed, 175 insertions(+), 126 deletions(-)
>
> diff --git a/audio/paaudio.c b/audio/paaudio.c
> index a53aaf6..e3b8207 100644
> --- a/audio/paaudio.c
> +++ b/audio/paaudio.c
> @@ -9,10 +9,21 @@
> #include "audio_int.h"
> #include "audio_pt_int.h"
>
> -typedef struct {
> - Audiodev *dev;
> +typedef struct PAConnection {
> + char *server;
> + int refcount;
> + QTAILQ_ENTRY(PAConnection) list;
> +
> pa_threaded_mainloop *mainloop;
> pa_context *context;
> +} PAConnection;
> +
> +static QTAILQ_HEAD(PAConnectionHead, PAConnection) pa_conns =
> + QTAILQ_HEAD_INITIALIZER(pa_conns);
> +
> +typedef struct {
> + Audiodev *dev;
> + PAConnection *conn;
> } paaudio;
>
> typedef struct {
> @@ -43,7 +54,7 @@ typedef struct {
> int samples;
> } PAVoiceIn;
>
> -static void qpa_audio_fini(void *opaque);
> +static void qpa_conn_fini(PAConnection *c);
>
> static void GCC_FMT_ATTR (2, 3) qpa_logerr (int err, const char *fmt, ...)
> {
> @@ -106,11 +117,11 @@ static inline int PA_STREAM_IS_GOOD(pa_stream_state_t x)
>
> static int qpa_simple_read (PAVoiceIn *p, void *data, size_t length, int
> *rerror)
> {
> - paaudio *g = p->g;
> + PAConnection *c = p->g->conn;
>
> - pa_threaded_mainloop_lock (g->mainloop);
> + pa_threaded_mainloop_lock(c->mainloop);
>
> - CHECK_DEAD_GOTO (g, p->stream, rerror, unlock_and_fail);
> + CHECK_DEAD_GOTO(c, p->stream, rerror, unlock_and_fail);
>
> while (length > 0) {
> size_t l;
> @@ -119,11 +130,11 @@ static int qpa_simple_read (PAVoiceIn *p, void *data,
> size_t length, int *rerror
> int r;
>
> r = pa_stream_peek (p->stream, &p->read_data, &p->read_length);
> - CHECK_SUCCESS_GOTO (g, rerror, r == 0, unlock_and_fail);
> + CHECK_SUCCESS_GOTO(c, rerror, r == 0, unlock_and_fail);
>
> if (!p->read_data) {
> - pa_threaded_mainloop_wait (g->mainloop);
> - CHECK_DEAD_GOTO (g, p->stream, rerror, unlock_and_fail);
> + pa_threaded_mainloop_wait(c->mainloop);
> + CHECK_DEAD_GOTO(c, p->stream, rerror, unlock_and_fail);
> } else {
> p->read_index = 0;
> }
> @@ -146,53 +157,53 @@ static int qpa_simple_read (PAVoiceIn *p, void *data,
> size_t length, int *rerror
> p->read_length = 0;
> p->read_index = 0;
>
> - CHECK_SUCCESS_GOTO (g, rerror, r == 0, unlock_and_fail);
> + CHECK_SUCCESS_GOTO(c, rerror, r == 0, unlock_and_fail);
> }
> }
>
> - pa_threaded_mainloop_unlock (g->mainloop);
> + pa_threaded_mainloop_unlock(c->mainloop);
> return 0;
>
> unlock_and_fail:
> - pa_threaded_mainloop_unlock (g->mainloop);
> + pa_threaded_mainloop_unlock(c->mainloop);
> return -1;
> }
>
> static int qpa_simple_write (PAVoiceOut *p, const void *data, size_t length,
> int *rerror)
> {
> - paaudio *g = p->g;
> + PAConnection *c = p->g->conn;
>
> - pa_threaded_mainloop_lock (g->mainloop);
> + pa_threaded_mainloop_lock(c->mainloop);
>
> - CHECK_DEAD_GOTO (g, p->stream, rerror, unlock_and_fail);
> + CHECK_DEAD_GOTO(c, p->stream, rerror, unlock_and_fail);
>
> while (length > 0) {
> size_t l;
> int r;
>
> while (!(l = pa_stream_writable_size (p->stream))) {
> - pa_threaded_mainloop_wait (g->mainloop);
> - CHECK_DEAD_GOTO (g, p->stream, rerror, unlock_and_fail);
> + pa_threaded_mainloop_wait(c->mainloop);
> + CHECK_DEAD_GOTO(c, p->stream, rerror, unlock_and_fail);
> }
>
> - CHECK_SUCCESS_GOTO (g, rerror, l != (size_t) -1, unlock_and_fail);
> + CHECK_SUCCESS_GOTO(c, rerror, l != (size_t) -1, unlock_and_fail);
>
> if (l > length) {
> l = length;
> }
>
> r = pa_stream_write (p->stream, data, l, NULL, 0LL,
> PA_SEEK_RELATIVE);
> - CHECK_SUCCESS_GOTO (g, rerror, r >= 0, unlock_and_fail);
> + CHECK_SUCCESS_GOTO(c, rerror, r >= 0, unlock_and_fail);
>
> data = (const uint8_t *) data + l;
> length -= l;
> }
>
> - pa_threaded_mainloop_unlock (g->mainloop);
> + pa_threaded_mainloop_unlock(c->mainloop);
> return 0;
>
> unlock_and_fail:
> - pa_threaded_mainloop_unlock (g->mainloop);
> + pa_threaded_mainloop_unlock(c->mainloop);
> return -1;
> }
>
> @@ -430,13 +441,13 @@ static AudioFormat pa_to_audfmt (pa_sample_format_t
> fmt, int *endianness)
>
> static void context_state_cb (pa_context *c, void *userdata)
> {
> - paaudio *g = userdata;
> + PAConnection *conn = userdata;
>
> switch (pa_context_get_state(c)) {
> case PA_CONTEXT_READY:
> case PA_CONTEXT_TERMINATED:
> case PA_CONTEXT_FAILED:
> - pa_threaded_mainloop_signal (g->mainloop, 0);
> + pa_threaded_mainloop_signal(conn->mainloop, 0);
> break;
>
> case PA_CONTEXT_UNCONNECTED:
> @@ -449,14 +460,14 @@ static void context_state_cb (pa_context *c, void
> *userdata)
>
> static void stream_state_cb (pa_stream *s, void * userdata)
> {
> - paaudio *g = userdata;
> + PAConnection *c = userdata;
>
> switch (pa_stream_get_state (s)) {
>
> case PA_STREAM_READY:
> case PA_STREAM_FAILED:
> case PA_STREAM_TERMINATED:
> - pa_threaded_mainloop_signal (g->mainloop, 0);
> + pa_threaded_mainloop_signal(c->mainloop, 0);
> break;
>
> case PA_STREAM_UNCONNECTED:
> @@ -467,13 +478,13 @@ static void stream_state_cb (pa_stream *s, void *
> userdata)
>
> static void stream_request_cb (pa_stream *s, size_t length, void *userdata)
> {
> - paaudio *g = userdata;
> + PAConnection *c = userdata;
>
> - pa_threaded_mainloop_signal (g->mainloop, 0);
> + pa_threaded_mainloop_signal(c->mainloop, 0);
> }
>
> static pa_stream *qpa_simple_new (
> - paaudio *g,
> + PAConnection *c,
> const char *name,
> pa_stream_direction_t dir,
> const char *dev,
> @@ -484,50 +495,52 @@ static pa_stream *qpa_simple_new (
> {
> int r;
> pa_stream *stream;
> + pa_stream_flags_t flags;
>
> - pa_threaded_mainloop_lock (g->mainloop);
> + pa_threaded_mainloop_lock(c->mainloop);
>
> - stream = pa_stream_new (g->context, name, ss, map);
> + stream = pa_stream_new(c->context, name, ss, map);
> if (!stream) {
> goto fail;
> }
>
> - pa_stream_set_state_callback (stream, stream_state_cb, g);
> - pa_stream_set_read_callback (stream, stream_request_cb, g);
> - pa_stream_set_write_callback (stream, stream_request_cb, g);
> + 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
> +#ifdef PA_STREAM_ADJUST_LATENCY
> + |PA_STREAM_ADJUST_LATENCY
> +#endif
> + |PA_STREAM_AUTO_TIMING_UPDATE;
> + if (dev) {
> + /* don't move the stream if the user specified a sink/source */
> + flags |= PA_STREAM_DONT_MOVE;
This is unrelated, and I don't think it's justified, imho user should
be allowed to move the stream later if needed.
> + }
>
> if (dir == PA_STREAM_PLAYBACK) {
> - r = pa_stream_connect_playback (stream, dev, attr,
> - PA_STREAM_INTERPOLATE_TIMING
> -#ifdef PA_STREAM_ADJUST_LATENCY
> - |PA_STREAM_ADJUST_LATENCY
> -#endif
> - |PA_STREAM_AUTO_TIMING_UPDATE, NULL,
> NULL);
> + r = pa_stream_connect_playback(stream, dev, attr, flags, NULL, NULL);
> } else {
> - r = pa_stream_connect_record (stream, dev, attr,
> - PA_STREAM_INTERPOLATE_TIMING
> -#ifdef PA_STREAM_ADJUST_LATENCY
> - |PA_STREAM_ADJUST_LATENCY
> -#endif
> - |PA_STREAM_AUTO_TIMING_UPDATE);
> + r = pa_stream_connect_record(stream, dev, attr, flags);
> }
>
> if (r < 0) {
> goto fail;
> }
>
> - pa_threaded_mainloop_unlock (g->mainloop);
> + pa_threaded_mainloop_unlock(c->mainloop);
>
> return stream;
>
> fail:
> - pa_threaded_mainloop_unlock (g->mainloop);
> + pa_threaded_mainloop_unlock(c->mainloop);
>
> if (stream) {
> pa_stream_unref (stream);
> }
>
> - *rerror = pa_context_errno (g->context);
> + *rerror = pa_context_errno(c->context);
>
> return NULL;
> }
> @@ -543,6 +556,7 @@ static int qpa_init_out(HWVoiceOut *hw, struct
> audsettings *as,
> paaudio *g = pa->g = drv_opaque;
> AudiodevPaOptions *popts = g->dev->pa;
> AudiodevPaPerDirectionOptions *ppdo = popts->sink;
> + PAConnection *c = g->conn;
>
> ss.format = audfmt_to_pa (as->fmt, as->endianness);
> ss.channels = as->nchannels;
> @@ -560,7 +574,7 @@ static int qpa_init_out(HWVoiceOut *hw, struct
> audsettings *as,
> obt_as.fmt = pa_to_audfmt (ss.format, &obt_as.endianness);
>
> pa->stream = qpa_simple_new (
> - g,
> + c,
> "qemu",
> PA_STREAM_PLAYBACK,
> ppdo->has_name ? ppdo->name : NULL,
> @@ -612,6 +626,7 @@ static int qpa_init_in(HWVoiceIn *hw, struct audsettings
> *as, void *drv_opaque)
> paaudio *g = pa->g = drv_opaque;
> AudiodevPaOptions *popts = g->dev->pa;
> AudiodevPaPerDirectionOptions *ppdo = popts->source;
> + PAConnection *c = g->conn;
>
> ss.format = audfmt_to_pa (as->fmt, as->endianness);
> ss.channels = as->nchannels;
> @@ -620,7 +635,7 @@ static int qpa_init_in(HWVoiceIn *hw, struct audsettings
> *as, void *drv_opaque)
> obt_as.fmt = pa_to_audfmt (ss.format, &obt_as.endianness);
>
> pa->stream = qpa_simple_new (
> - g,
> + c,
> "qemu",
> PA_STREAM_RECORD,
> ppdo->has_name ? ppdo->name : NULL,
> @@ -708,7 +723,7 @@ static int qpa_ctl_out (HWVoiceOut *hw, int cmd, ...)
> PAVoiceOut *pa = (PAVoiceOut *) hw;
> pa_operation *op;
> pa_cvolume v;
> - paaudio *g = pa->g;
> + PAConnection *c = pa->g->conn;
>
> #ifdef PA_CHECK_VERSION /* macro is present in 0.9.16+ */
> pa_cvolume_init (&v); /* function is present in 0.9.13+ */
> @@ -728,28 +743,28 @@ static int qpa_ctl_out (HWVoiceOut *hw, int cmd, ...)
> v.values[0] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.l) /
> UINT32_MAX;
> v.values[1] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.r) /
> UINT32_MAX;
>
> - pa_threaded_mainloop_lock (g->mainloop);
> + pa_threaded_mainloop_lock(c->mainloop);
>
> - op = pa_context_set_sink_input_volume (g->context,
> + op = pa_context_set_sink_input_volume(c->context,
> pa_stream_get_index (pa->stream),
> &v, NULL, NULL);
> if (!op)
> - qpa_logerr (pa_context_errno (g->context),
> + qpa_logerr (pa_context_errno(c->context),
> "set_sink_input_volume() failed\n");
> else
> pa_operation_unref (op);
>
> - op = pa_context_set_sink_input_mute (g->context,
> + op = pa_context_set_sink_input_mute(c->context,
> pa_stream_get_index (pa->stream),
> sw->vol.mute, NULL, NULL);
> if (!op) {
> - qpa_logerr (pa_context_errno (g->context),
> + qpa_logerr (pa_context_errno(c->context),
> "set_sink_input_mute() failed\n");
> } else {
> pa_operation_unref (op);
> }
>
> - pa_threaded_mainloop_unlock (g->mainloop);
> + pa_threaded_mainloop_unlock(c->mainloop);
> }
> }
> return 0;
> @@ -760,7 +775,7 @@ static int qpa_ctl_in (HWVoiceIn *hw, int cmd, ...)
> PAVoiceIn *pa = (PAVoiceIn *) hw;
> pa_operation *op;
> pa_cvolume v;
> - paaudio *g = pa->g;
> + PAConnection *c = pa->g->conn;
>
> #ifdef PA_CHECK_VERSION
> pa_cvolume_init (&v);
> @@ -780,123 +795,157 @@ static int qpa_ctl_in (HWVoiceIn *hw, int cmd, ...)
> v.values[0] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.l) /
> UINT32_MAX;
> v.values[1] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.r) /
> UINT32_MAX;
>
> - pa_threaded_mainloop_lock (g->mainloop);
> + pa_threaded_mainloop_lock(c->mainloop);
>
> /* FIXME: use the upcoming "set_source_output_{volume,mute}" */
> - op = pa_context_set_source_volume_by_index (g->context,
> + op = pa_context_set_source_volume_by_index(c->context,
> pa_stream_get_device_index (pa->stream),
> &v, NULL, NULL);
> if (!op) {
> - qpa_logerr (pa_context_errno (g->context),
> + qpa_logerr (pa_context_errno(c->context),
> "set_source_volume() failed\n");
> } else {
> pa_operation_unref(op);
> }
>
> - op = pa_context_set_source_mute_by_index (g->context,
> + op = pa_context_set_source_mute_by_index(c->context,
> pa_stream_get_index (pa->stream),
> sw->vol.mute, NULL, NULL);
> if (!op) {
> - qpa_logerr (pa_context_errno (g->context),
> + qpa_logerr (pa_context_errno(c->context),
> "set_source_mute() failed\n");
> } else {
> pa_operation_unref (op);
> }
>
> - pa_threaded_mainloop_unlock (g->mainloop);
> + pa_threaded_mainloop_unlock(c->mainloop);
> }
> }
> return 0;
> }
>
> /* common */
> +static void *qpa_conn_init(const char *server)
> +{
> + PAConnection *c = g_malloc0(sizeof(PAConnection));
> + QTAILQ_INSERT_TAIL(&pa_conns, c, list);
> +
> + c->mainloop = pa_threaded_mainloop_new();
> + if (!c->mainloop) {
> + goto fail;
> + }
> +
> + c->context = pa_context_new(pa_threaded_mainloop_get_api(c->mainloop),
> + server);
> + if (!c->context) {
> + goto fail;
> + }
> +
> + pa_context_set_state_callback(c->context, context_state_cb, c);
> +
> + if (pa_context_connect(c->context, server, 0, NULL) < 0) {
> + qpa_logerr(pa_context_errno(c->context),
> + "pa_context_connect() failed\n");
> + goto fail;
> + }
> +
> + pa_threaded_mainloop_lock(c->mainloop);
> +
> + if (pa_threaded_mainloop_start(c->mainloop) < 0) {
> + goto unlock_and_fail;
> + }
> +
> + for (;;) {
> + pa_context_state_t state;
> +
> + state = pa_context_get_state(c->context);
> +
> + if (state == PA_CONTEXT_READY) {
> + break;
> + }
> +
> + if (!PA_CONTEXT_IS_GOOD (state)) {
> + qpa_logerr(pa_context_errno(c->context),
> + "Wrong context state\n");
> + goto unlock_and_fail;
> + }
> +
> + /* Wait until the context is ready */
> + pa_threaded_mainloop_wait(c->mainloop);
> + }
> +
> + pa_threaded_mainloop_unlock(c->mainloop);
> + return c;
> +
> +unlock_and_fail:
> + pa_threaded_mainloop_unlock(c->mainloop);
> +fail:
> + AUD_log (AUDIO_CAP, "Failed to initialize PA context");
> + qpa_conn_fini(c);
> + return NULL;
> +}
> +
> static void *qpa_audio_init(Audiodev *dev)
> {
> paaudio *g;
> AudiodevPaOptions *popts;
> const char *server;
> + PAConnection *c;
>
> assert(dev->kind == AUDIODEV_DRIVER_PA);
>
> - g = g_malloc(sizeof(paaudio));
> + g = g_malloc0(sizeof(paaudio));
> popts = dev->pa;
> server = popts->has_server ? popts->server : NULL;
>
> g->dev = dev;
> - g->mainloop = NULL;
> - g->context = NULL;
>
> - g->mainloop = pa_threaded_mainloop_new ();
> - if (!g->mainloop) {
> - goto fail;
> - }
> -
> - g->context = pa_context_new (pa_threaded_mainloop_get_api (g->mainloop),
> - server);
> - if (!g->context) {
> - goto fail;
> - }
> -
> - pa_context_set_state_callback (g->context, context_state_cb, g);
> -
> - if (pa_context_connect (g->context, server, 0, NULL) < 0) {
> - qpa_logerr (pa_context_errno (g->context),
> - "pa_context_connect() failed\n");
> - goto fail;
> - }
> -
> - pa_threaded_mainloop_lock (g->mainloop);
> -
> - if (pa_threaded_mainloop_start (g->mainloop) < 0) {
> - goto unlock_and_fail;
> - }
> -
> - for (;;) {
> - pa_context_state_t state;
> -
> - state = pa_context_get_state (g->context);
> -
> - if (state == PA_CONTEXT_READY) {
> + QTAILQ_FOREACH(c, &pa_conns, list) {
> + if (server == NULL || c->server == NULL ?
> + server == c->server :
> + strcmp(server, c->server) == 0) {
> + g->conn = c;
> break;
> }
> -
> - if (!PA_CONTEXT_IS_GOOD (state)) {
> - qpa_logerr (pa_context_errno (g->context),
> - "Wrong context state\n");
> - goto unlock_and_fail;
> - }
> -
> - /* Wait until the context is ready */
> - pa_threaded_mainloop_wait (g->mainloop);
> + }
> + if (!g->conn) {
> + g->conn = qpa_conn_init(server);
> + }
> + if (!g->conn) {
> + g_free(g);
> + return NULL;
> }
>
> - pa_threaded_mainloop_unlock (g->mainloop);
> -
> + ++g->conn->refcount;
> return g;
> +}
>
> -unlock_and_fail:
> - pa_threaded_mainloop_unlock (g->mainloop);
> -fail:
> - AUD_log (AUDIO_CAP, "Failed to initialize PA context");
> - qpa_audio_fini(g);
> - return NULL;
> +static void qpa_conn_fini(PAConnection *c)
> +{
> + if (c->mainloop) {
> + pa_threaded_mainloop_stop(c->mainloop);
> + }
> +
> + if (c->context) {
> + pa_context_disconnect(c->context);
> + pa_context_unref(c->context);
> + }
> +
> + if (c->mainloop) {
> + pa_threaded_mainloop_free(c->mainloop);
> + }
> +
> + QTAILQ_REMOVE(&pa_conns, c, list);
> + g_free(c);
> }
>
> static void qpa_audio_fini (void *opaque)
> {
> paaudio *g = opaque;
> + PAConnection *c = g->conn;
>
> - if (g->mainloop) {
> - pa_threaded_mainloop_stop (g->mainloop);
> - }
> -
> - if (g->context) {
> - pa_context_disconnect (g->context);
> - pa_context_unref (g->context);
> - }
> -
> - if (g->mainloop) {
> - pa_threaded_mainloop_free (g->mainloop);
> + if (--c->refcount == 0) {
> + qpa_conn_fini(c);
> }
>
> g_free(g);
> --
> 2.4.5
>
>
otherwise
Reviewed-by: Marc-André Lureau <marcandre.lur...@redhat.com>
--
Marc-André Lureau
