[pulseaudio-discuss] [PATCH v2 3/3] sink, source: Fix error reporting style for rate updates
David Henningsson
david.henningsson at canonical.com
Tue Aug 27 02:36:38 PDT 2013
On 08/27/2013 11:11 AM, Tanu Kaskinen wrote:
> ---
> src/modules/alsa/alsa-sink.c | 8 ++++----
> src/modules/alsa/alsa-source.c | 8 ++++----
> src/pulsecore/sink-input.c | 4 ++--
> src/pulsecore/sink.c | 24 ++++++++++++------------
> src/pulsecore/sink.h | 4 ++--
> src/pulsecore/source-output.c | 4 ++--
> src/pulsecore/source.c | 26 +++++++++++++-------------
> src/pulsecore/source.h | 4 ++--
> 8 files changed, 41 insertions(+), 41 deletions(-)
>
> diff --git a/src/modules/alsa/alsa-sink.c b/src/modules/alsa/alsa-sink.c
> index f910d19..6e60646 100644
> --- a/src/modules/alsa/alsa-sink.c
> +++ b/src/modules/alsa/alsa-sink.c
> @@ -1593,7 +1593,7 @@ static bool sink_set_formats(pa_sink *s, pa_idxset *formats) {
> return true;
> }
>
> -static bool sink_update_rate_cb(pa_sink *s, uint32_t rate) {
> +static int sink_update_rate_cb(pa_sink *s, uint32_t rate) {
> struct userdata *u = s->userdata;
> int i;
> bool supported = false;
> @@ -1609,16 +1609,16 @@ static bool sink_update_rate_cb(pa_sink *s, uint32_t rate) {
>
> if (!supported) {
> pa_log_info("Sink does not support sample rate of %d Hz", rate);
> - return false;
> + return -1;
> }
>
> if (!PA_SINK_IS_OPENED(s->state)) {
> pa_log_info("Updating rate for device %s, new rate is %d",u->device_name, rate);
> u->sink->sample_spec.rate = rate;
> - return true;
> + return 0;
> }
>
> - return false;
> + return -1;
> }
>
> static int process_rewind(struct userdata *u) {
> diff --git a/src/modules/alsa/alsa-source.c b/src/modules/alsa/alsa-source.c
> index faf8965..78125b1 100644
> --- a/src/modules/alsa/alsa-source.c
> +++ b/src/modules/alsa/alsa-source.c
> @@ -1401,7 +1401,7 @@ static void source_update_requested_latency_cb(pa_source *s) {
> update_sw_params(u);
> }
>
> -static bool source_update_rate_cb(pa_source *s, uint32_t rate) {
> +static int source_update_rate_cb(pa_source *s, uint32_t rate) {
> struct userdata *u = s->userdata;
> int i;
> bool supported = false;
> @@ -1417,16 +1417,16 @@ static bool source_update_rate_cb(pa_source *s, uint32_t rate) {
>
> if (!supported) {
> pa_log_info("Source does not support sample rate of %d Hz", rate);
> - return false;
> + return -1;
> }
>
> if (!PA_SOURCE_IS_OPENED(s->state)) {
> pa_log_info("Updating rate for device %s, new rate is %d", u->device_name, rate);
> u->source->sample_spec.rate = rate;
> - return true;
> + return 0;
> }
>
> - return false;
> + return -1;
> }
>
> static void thread_func(void *userdata) {
> diff --git a/src/pulsecore/sink-input.c b/src/pulsecore/sink-input.c
> index a275715..b5e8a0b 100644
> --- a/src/pulsecore/sink-input.c
> +++ b/src/pulsecore/sink-input.c
> @@ -426,7 +426,7 @@ int pa_sink_input_new(
> module-suspend-on-idle can resume a sink */
>
> pa_log_info("Trying to change sample rate");
> - if (pa_sink_update_rate(data->sink, data->sample_spec.rate, pa_sink_input_new_data_is_passthrough(data)) == true)
> + if (pa_sink_update_rate(data->sink, data->sample_spec.rate, pa_sink_input_new_data_is_passthrough(data)) >= 0)
> pa_log_info("Rate changed to %u Hz", data->sink->sample_spec.rate);
> }
>
> @@ -1829,7 +1829,7 @@ int pa_sink_input_finish_move(pa_sink_input *i, pa_sink *dest, bool save) {
> SINK_INPUT_MOVE_FINISH hook */
>
> pa_log_info("Trying to change sample rate");
> - if (pa_sink_update_rate(dest, i->sample_spec.rate, pa_sink_input_is_passthrough(i)) == true)
> + if (pa_sink_update_rate(dest, i->sample_spec.rate, pa_sink_input_is_passthrough(i)) >= 0)
> pa_log_info("Rate changed to %u Hz", dest->sample_spec.rate);
> }
>
> diff --git a/src/pulsecore/sink.c b/src/pulsecore/sink.c
> index bc8a3fd..de8c82e 100644
> --- a/src/pulsecore/sink.c
> +++ b/src/pulsecore/sink.c
> @@ -1377,8 +1377,8 @@ void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result) {
> }
>
> /* Called from main thread */
> -bool pa_sink_update_rate(pa_sink *s, uint32_t rate, bool passthrough) {
> - bool ret = false;
> +int pa_sink_update_rate(pa_sink *s, uint32_t rate, bool passthrough) {
> + int ret = -1;
> uint32_t desired_rate = rate;
> uint32_t default_rate = s->default_sample_rate;
> uint32_t alternate_rate = s->alternate_sample_rate;
> @@ -1387,32 +1387,32 @@ bool pa_sink_update_rate(pa_sink *s, uint32_t rate, bool passthrough) {
> bool use_alternate = false;
>
> if (rate == s->sample_spec.rate)
> - return true;
> + return 0;
>
> if (!s->update_rate)
> - return false;
> + return -1;
>
> if (PA_UNLIKELY(default_rate == alternate_rate && !passthrough)) {
> pa_log_debug("Default and alternate sample rates are the same.");
> - return false;
> + return -1;
> }
>
> if (PA_SINK_IS_RUNNING(s->state)) {
> pa_log_info("Cannot update rate, SINK_IS_RUNNING, will keep using %u Hz",
> s->sample_spec.rate);
> - return false;
> + return -1;
> }
>
> if (s->monitor_source) {
> if (PA_SOURCE_IS_RUNNING(s->monitor_source->state) == true) {
> pa_log_info("Cannot update rate, monitor source is RUNNING");
> - return false;
> + return -1;
> }
> }
>
> if (PA_UNLIKELY (desired_rate < 8000 ||
> desired_rate > PA_RATE_MAX))
> - return false;
> + return -1;
>
> if (!passthrough) {
> pa_assert((default_rate % 4000 == 0) || (default_rate % 11025 == 0));
> @@ -1436,15 +1436,15 @@ bool pa_sink_update_rate(pa_sink *s, uint32_t rate, bool passthrough) {
> }
>
> if (desired_rate == s->sample_spec.rate)
> - return false;
> + return -1;
>
> if (!passthrough && pa_sink_used_by(s) > 0)
> - return false;
> + return -1;
>
> pa_log_debug("Suspending sink %s due to changing the sample rate.", s->name);
> pa_sink_suspend(s, true, PA_SUSPEND_INTERNAL);
>
> - if (s->update_rate(s, desired_rate) == true) {
> + if (s->update_rate(s, desired_rate) >= 0) {
> /* update monitor source as well */
> if (s->monitor_source && !passthrough)
> pa_source_update_rate(s->monitor_source, desired_rate, false);
> @@ -1455,7 +1455,7 @@ bool pa_sink_update_rate(pa_sink *s, uint32_t rate, bool passthrough) {
> pa_sink_input_update_rate(i);
> }
>
> - ret = true;
> + ret = 0;
> }
>
> pa_sink_suspend(s, false, PA_SUSPEND_INTERNAL);
> diff --git a/src/pulsecore/sink.h b/src/pulsecore/sink.h
> index 54056a7..332e2b1 100644
> --- a/src/pulsecore/sink.h
> +++ b/src/pulsecore/sink.h
> @@ -230,7 +230,7 @@ struct pa_sink {
>
> /* Called whenever the sampling frequency shall be changed. Called from
> * main thread. */
> - bool (*update_rate)(pa_sink *s, uint32_t rate);
> + int (*update_rate)(pa_sink *s, uint32_t rate);
>
> /* Contains copies of the above data so that the real-time worker
> * thread can work without access locking */
> @@ -411,7 +411,7 @@ unsigned pa_device_init_priority(pa_proplist *p);
>
> /**** May be called by everyone, from main context */
>
> -bool pa_sink_update_rate(pa_sink *s, uint32_t rate, bool passthrough);
> +int pa_sink_update_rate(pa_sink *s, uint32_t rate, bool passthrough);
> void pa_sink_set_latency_offset(pa_sink *s, int64_t offset);
>
> /* The returned value is supposed to be in the time domain of the sound card! */
> diff --git a/src/pulsecore/source-output.c b/src/pulsecore/source-output.c
> index 5a48935..b158f14 100644
> --- a/src/pulsecore/source-output.c
> +++ b/src/pulsecore/source-output.c
> @@ -366,7 +366,7 @@ int pa_source_output_new(
> module-suspend-on-idle can resume a source */
>
> pa_log_info("Trying to change sample rate");
> - if (pa_source_update_rate(data->source, data->sample_spec.rate, pa_source_output_new_data_is_passthrough(data)) == true)
> + if (pa_source_update_rate(data->source, data->sample_spec.rate, pa_source_output_new_data_is_passthrough(data)) >= 0)
> pa_log_info("Rate changed to %u Hz", data->source->sample_spec.rate);
> }
>
> @@ -1449,7 +1449,7 @@ int pa_source_output_finish_move(pa_source_output *o, pa_source *dest, bool save
> SOURCE_OUTPUT_MOVE_FINISH hook */
>
> pa_log_info("Trying to change sample rate");
> - if (pa_source_update_rate(dest, o->sample_spec.rate, pa_source_output_is_passthrough(o)) == true)
> + if (pa_source_update_rate(dest, o->sample_spec.rate, pa_source_output_is_passthrough(o)) >= 0)
> pa_log_info("Rate changed to %u Hz", dest->sample_spec.rate);
> }
>
> diff --git a/src/pulsecore/source.c b/src/pulsecore/source.c
> index 5e59a40..f695655 100644
> --- a/src/pulsecore/source.c
> +++ b/src/pulsecore/source.c
> @@ -967,40 +967,40 @@ void pa_source_post_direct(pa_source*s, pa_source_output *o, const pa_memchunk *
> }
>
> /* Called from main thread */
> -bool pa_source_update_rate(pa_source *s, uint32_t rate, bool passthrough) {
> - bool ret = false;
> +int pa_source_update_rate(pa_source *s, uint32_t rate, bool passthrough) {
> + int ret;
There's a change here that now ret is no longer initialized, but
assuming this is not a mistake on your side, feel free to push all the
remaining three patches in this series.
Thanks!
> uint32_t desired_rate = rate;
> uint32_t default_rate = s->default_sample_rate;
> uint32_t alternate_rate = s->alternate_sample_rate;
> bool use_alternate = false;
>
> if (rate == s->sample_spec.rate)
> - return true;
> + return 0;
>
> if (!s->update_rate && !s->monitor_of)
> - return false;
> + return -1;
>
> if (PA_UNLIKELY(default_rate == alternate_rate && !passthrough)) {
> pa_log_debug("Default and alternate sample rates are the same.");
> - return false;
> + return -1;
> }
>
> if (PA_SOURCE_IS_RUNNING(s->state)) {
> pa_log_info("Cannot update rate, SOURCE_IS_RUNNING, will keep using %u Hz",
> s->sample_spec.rate);
> - return false;
> + return -1;
> }
>
> if (s->monitor_of) {
> if (PA_SINK_IS_RUNNING(s->monitor_of->state)) {
> pa_log_info("Cannot update rate, this is a monitor source and the sink is running.");
> - return false;
> + return -1;
> }
> }
>
> if (PA_UNLIKELY (desired_rate < 8000 ||
> desired_rate > PA_RATE_MAX))
> - return false;
> + return -1;
>
> if (!passthrough) {
> pa_assert((default_rate % 4000 == 0) || (default_rate % 11025 == 0));
> @@ -1024,10 +1024,10 @@ bool pa_source_update_rate(pa_source *s, uint32_t rate, bool passthrough) {
> }
>
> if (desired_rate == s->sample_spec.rate)
> - return false;
> + return -1;
>
> if (!passthrough && pa_source_used_by(s) > 0)
> - return false;
> + return -1;
>
> pa_log_debug("Suspending source %s due to changing the sample rate.", s->name);
> pa_source_suspend(s, true, PA_SUSPEND_INTERNAL);
> @@ -1046,7 +1046,7 @@ bool pa_source_update_rate(pa_source *s, uint32_t rate, bool passthrough) {
> s->sample_spec.rate = desired_rate;
> ret = pa_sink_update_rate(s->monitor_of, desired_rate, false);
>
> - if (!ret) {
> + if (ret < 0) {
> /* Changing the sink rate failed, roll back the old rate for
> * the monitor source. Why did we set the source rate before
> * calling pa_sink_update_rate(), you may ask. The reason is
> @@ -1060,10 +1060,10 @@ bool pa_source_update_rate(pa_source *s, uint32_t rate, bool passthrough) {
> s->sample_spec.rate = old_rate;
> }
> } else
> - ret = false;
> + ret = -1;
> }
>
> - if (ret) {
> + if (ret >= 0) {
> uint32_t idx;
> pa_source_output *o;
>
> diff --git a/src/pulsecore/source.h b/src/pulsecore/source.h
> index 6bdd472..b20d4c0 100644
> --- a/src/pulsecore/source.h
> +++ b/src/pulsecore/source.h
> @@ -187,7 +187,7 @@ struct pa_source {
>
> /* Called whenever the sampling frequency shall be changed. Called from
> * main thread. */
> - bool (*update_rate)(pa_source *s, uint32_t rate);
> + int (*update_rate)(pa_source *s, uint32_t rate);
>
> /* Contains copies of the above data so that the real-time worker
> * thread can work without access locking */
> @@ -382,7 +382,7 @@ bool pa_source_update_proplist(pa_source *s, pa_update_mode_t mode, pa_proplist
> int pa_source_set_port(pa_source *s, const char *name, bool save);
> void pa_source_set_mixer_dirty(pa_source *s, bool is_dirty);
>
> -bool pa_source_update_rate(pa_source *s, uint32_t rate, bool passthrough);
> +int pa_source_update_rate(pa_source *s, uint32_t rate, bool passthrough);
>
> unsigned pa_source_linked_by(pa_source *s); /* Number of connected streams */
> unsigned pa_source_used_by(pa_source *s); /* Number of connected streams that are not corked */
>
--
David Henningsson, Canonical Ltd.
https://launchpad.net/~diwic
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