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-rw-r--r--src/modules/module-alsa-sink.c43
-rw-r--r--src/modules/module-alsa-source.c44
-rw-r--r--src/modules/module-null-sink.c18
-rw-r--r--src/modules/module-pipe-source.c5
-rw-r--r--src/modules/module-sine-source.c326
-rw-r--r--src/modules/module-sine.c58
6 files changed, 414 insertions, 80 deletions
diff --git a/src/modules/module-alsa-sink.c b/src/modules/module-alsa-sink.c
index 95a8c972..f9fb9bd5 100644
--- a/src/modules/module-alsa-sink.c
+++ b/src/modules/module-alsa-sink.c
@@ -599,9 +599,9 @@ static int update_sw_params(struct userdata *u) {
u->hwbuf_unused_frames = (snd_pcm_sframes_t)
(PA_LIKELY(b < u->hwbuf_size) ?
((u->hwbuf_size - b) / u->frame_size) : 0);
-
- fix_tsched_watermark(u);
}
+
+ fix_tsched_watermark(u);
}
pa_log_debug("hwbuf_unused_frames=%lu", (unsigned long) u->hwbuf_unused_frames);
@@ -1506,28 +1506,35 @@ int pa__init(pa_module*m) {
suitable = TRUE;
}
- if (snd_mixer_selem_get_playback_dB_range(u->mixer_elem, &u->hw_dB_min, &u->hw_dB_max) < 0)
- pa_log_info("Mixer doesn't support dB information.");
- else {
+ if (suitable) {
+ if (snd_mixer_selem_get_playback_dB_range(u->mixer_elem, &u->hw_dB_min, &u->hw_dB_max) < 0)
+ pa_log_info("Mixer doesn't support dB information.");
+ else {
#ifdef HAVE_VALGRIND_MEMCHECK_H
- VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_min, sizeof(u->hw_dB_min));
- VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_max, sizeof(u->hw_dB_max));
+ VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_min, sizeof(u->hw_dB_min));
+ VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_max, sizeof(u->hw_dB_max));
#endif
- if (u->hw_dB_min >= u->hw_dB_max)
- pa_log_warn("Your kernel driver is broken: it reports a volume range from %0.2f dB to %0.2f dB which makes no sense.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0);
- else {
- pa_log_info("Volume ranges from %0.2f dB to %0.2f dB.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0);
- u->hw_dB_supported = TRUE;
+ if (u->hw_dB_min >= u->hw_dB_max)
+ pa_log_warn("Your kernel driver is broken: it reports a volume range from %0.2f dB to %0.2f dB which makes no sense.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0);
+ else {
+ pa_log_info("Volume ranges from %0.2f dB to %0.2f dB.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0);
+ u->hw_dB_supported = TRUE;
+
+ if (u->hw_dB_max > 0) {
+ u->sink->base_volume = pa_sw_volume_from_dB(- (double) u->hw_dB_max/100.0);
+ pa_log_info("Fixing base volume to %0.2f dB", pa_sw_volume_to_dB(u->sink->base_volume));
+ } else
+ pa_log_info("No particular base volume set, fixing to 0 dB");
+ }
}
- }
- if (suitable &&
- !u->hw_dB_supported &&
- u->hw_volume_max - u->hw_volume_min < 3) {
+ if (!u->hw_dB_supported &&
+ u->hw_volume_max - u->hw_volume_min < 3) {
- pa_log_info("Device doesn't do dB volume and has less than 4 volume levels. Falling back to software volume control.");
- suitable = FALSE;
+ pa_log_info("Device doesn't do dB volume and has less than 4 volume levels. Falling back to software volume control.");
+ suitable = FALSE;
+ }
}
if (suitable) {
diff --git a/src/modules/module-alsa-source.c b/src/modules/module-alsa-source.c
index b6c6ed1a..a6e4c907 100644
--- a/src/modules/module-alsa-source.c
+++ b/src/modules/module-alsa-source.c
@@ -545,9 +545,9 @@ static int update_sw_params(struct userdata *u) {
u->hwbuf_unused_frames = (snd_pcm_sframes_t)
(PA_LIKELY(b < u->hwbuf_size) ?
((u->hwbuf_size - b) / u->frame_size) : 0);
-
- fix_tsched_watermark(u);
}
+
+ fix_tsched_watermark(u);
}
pa_log_debug("hwbuf_unused_frames=%lu", (unsigned long) u->hwbuf_unused_frames);
@@ -1328,28 +1328,36 @@ int pa__init(pa_module*m) {
suitable = TRUE;
}
- if (snd_mixer_selem_get_capture_dB_range(u->mixer_elem, &u->hw_dB_min, &u->hw_dB_max) < 0)
- pa_log_info("Mixer doesn't support dB information.");
- else {
+ if (suitable) {
+ if (snd_mixer_selem_get_capture_dB_range(u->mixer_elem, &u->hw_dB_min, &u->hw_dB_max) < 0)
+ pa_log_info("Mixer doesn't support dB information.");
+ else {
#ifdef HAVE_VALGRIND_MEMCHECK_H
- VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_min, sizeof(u->hw_dB_min));
- VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_max, sizeof(u->hw_dB_max));
+ VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_min, sizeof(u->hw_dB_min));
+ VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_max, sizeof(u->hw_dB_max));
#endif
- if (u->hw_dB_min >= u->hw_dB_max)
- pa_log_warn("Your kernel driver is broken: it reports a volume range from %0.2f dB to %0.2f dB which makes no sense.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0);
- else {
- pa_log_info("Volume ranges from %0.2f dB to %0.2f dB.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0);
- u->hw_dB_supported = TRUE;
+ if (u->hw_dB_min >= u->hw_dB_max)
+ pa_log_warn("Your kernel driver is broken: it reports a volume range from %0.2f dB to %0.2f dB which makes no sense.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0);
+ else {
+ pa_log_info("Volume ranges from %0.2f dB to %0.2f dB.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0);
+ u->hw_dB_supported = TRUE;
+
+ if (u->hw_dB_max > 0) {
+ u->source->base_volume = pa_sw_volume_from_dB(- (double) u->hw_dB_max/100.0);
+ pa_log_info("Fixing base volume to %0.2f dB", pa_sw_volume_to_dB(u->source->base_volume));
+ } else
+ pa_log_info("No particular base volume set, fixing to 0 dB");
+
+ }
}
- }
- if (suitable &&
- !u->hw_dB_supported &&
- u->hw_volume_max - u->hw_volume_min < 3) {
+ if (!u->hw_dB_supported &&
+ u->hw_volume_max - u->hw_volume_min < 3) {
- pa_log_info("Device has less than 4 volume levels. Falling back to software volume control.");
- suitable = FALSE;
+ pa_log_info("Device has less than 4 volume levels. Falling back to software volume control.");
+ suitable = FALSE;
+ }
}
if (suitable) {
diff --git a/src/modules/module-null-sink.c b/src/modules/module-null-sink.c
index 470c622e..daf9767c 100644
--- a/src/modules/module-null-sink.c
+++ b/src/modules/module-null-sink.c
@@ -73,8 +73,6 @@ struct userdata {
pa_thread_mq thread_mq;
pa_rtpoll *rtpoll;
- size_t block_size;
-
pa_usec_t block_usec;
pa_usec_t timestamp;
};
@@ -89,7 +87,13 @@ static const char* const valid_modargs[] = {
NULL
};
-static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
+static int sink_process_msg(
+ pa_msgobject *o,
+ int code,
+ void *data,
+ int64_t offset,
+ pa_memchunk *chunk) {
+
struct userdata *u = PA_SINK(o)->userdata;
switch (code) {
@@ -104,7 +108,7 @@ static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offse
pa_usec_t now;
now = pa_rtclock_usec();
- *((pa_usec_t*) data) = u->timestamp > now ? u->timestamp - now : 0;
+ *((pa_usec_t*) data) = u->timestamp > now ? u->timestamp - now : 0ULL;
return 0;
}
@@ -117,10 +121,12 @@ static void sink_update_requested_latency_cb(pa_sink *s) {
struct userdata *u;
pa_sink_assert_ref(s);
- u = s->userdata;
- pa_assert(u);
+ pa_assert_se(u = s->userdata);
u->block_usec = pa_sink_get_requested_latency_within_thread(s);
+
+ if (u->block_usec == (pa_usec_t) -1)
+ u->block_usec = s->thread_info.max_latency;
}
static void process_rewind(struct userdata *u, pa_usec_t now) {
diff --git a/src/modules/module-pipe-source.c b/src/modules/module-pipe-source.c
index e6437a05..77310cab 100644
--- a/src/modules/module-pipe-source.c
+++ b/src/modules/module-pipe-source.c
@@ -226,10 +226,9 @@ int pa__init(pa_module*m) {
goto fail;
}
- u = pa_xnew0(struct userdata, 1);
+ m->userdata = u = pa_xnew0(struct userdata, 1);
u->core = m->core;
u->module = m;
- m->userdata = u;
pa_memchunk_reset(&u->memchunk);
u->rtpoll = pa_rtpoll_new();
pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);
@@ -264,7 +263,7 @@ int pa__init(pa_module*m) {
pa_source_new_data_set_sample_spec(&data, &ss);
pa_source_new_data_set_channel_map(&data, &map);
- u->source = pa_source_new(m->core, &data, 0);
+ u->source = pa_source_new(m->core, &data, PA_SOURCE_LATENCY);
pa_source_new_data_done(&data);
if (!u->source) {
diff --git a/src/modules/module-sine-source.c b/src/modules/module-sine-source.c
new file mode 100644
index 00000000..be95cc39
--- /dev/null
+++ b/src/modules/module-sine-source.c
@@ -0,0 +1,326 @@
+/***
+ This file is part of PulseAudio.
+
+ Copyright 2008 Lennart Poettering
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 2 of the License,
+ or (at your option) any later version.
+
+ PulseAudio is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with PulseAudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <limits.h>
+#include <sys/ioctl.h>
+#include <sys/poll.h>
+
+#include <pulse/xmalloc.h>
+#include <pulse/timeval.h>
+
+#include <pulsecore/core-error.h>
+#include <pulsecore/source.h>
+#include <pulsecore/module.h>
+#include <pulsecore/core-util.h>
+#include <pulsecore/modargs.h>
+#include <pulsecore/log.h>
+#include <pulsecore/thread.h>
+#include <pulsecore/thread-mq.h>
+#include <pulsecore/rtpoll.h>
+#include <pulsecore/rtclock.h>
+
+#include "module-sine-source-symdef.h"
+
+PA_MODULE_AUTHOR("Lennart Poettering");
+PA_MODULE_DESCRIPTION("Sine wave generator source");
+PA_MODULE_VERSION(PACKAGE_VERSION);
+PA_MODULE_LOAD_ONCE(FALSE);
+PA_MODULE_USAGE(
+ "rate=<sample rate> "
+ "source_name=<name for the source> "
+ "frequency=<frequency in Hz>");
+
+#define DEFAULT_SOURCE_NAME "sine_input"
+#define MAX_LATENCY_USEC (PA_USEC_PER_SEC * 2)
+
+struct userdata {
+ pa_core *core;
+ pa_module *module;
+ pa_source *source;
+
+ pa_thread *thread;
+ pa_thread_mq thread_mq;
+ pa_rtpoll *rtpoll;
+
+ pa_memchunk memchunk;
+ size_t peek_index;
+
+ pa_usec_t block_usec; /* how much to push at once */
+ pa_usec_t timestamp; /* when to push next */
+};
+
+static const char* const valid_modargs[] = {
+ "rate",
+ "source_name",
+ "frequency",
+ NULL
+};
+
+static int source_process_msg(
+ pa_msgobject *o,
+ int code,
+ void *data,
+ int64_t offset,
+ pa_memchunk *chunk) {
+
+ struct userdata *u = PA_SOURCE(o)->userdata;
+
+ switch (code) {
+
+ case PA_SINK_MESSAGE_SET_STATE:
+
+ if (PA_PTR_TO_UINT(data) == PA_SINK_RUNNING)
+ u->timestamp = pa_rtclock_usec();
+
+ break;
+
+ case PA_SOURCE_MESSAGE_GET_LATENCY: {
+ pa_usec_t now, left_to_fill;
+
+ now = pa_rtclock_usec();
+ left_to_fill = u->timestamp > now ? u->timestamp - now : 0ULL;
+
+ *((pa_usec_t*) data) = u->block_usec > left_to_fill ? u->block_usec - left_to_fill : 0ULL;
+
+ return 0;
+ }
+ }
+
+ return pa_source_process_msg(o, code, data, offset, chunk);
+}
+
+static void source_update_requested_latency_cb(pa_source *s) {
+ struct userdata *u;
+
+ pa_source_assert_ref(s);
+ pa_assert_se(u = s->userdata);
+
+ u->block_usec = pa_source_get_requested_latency_within_thread(s);
+
+ if (u->block_usec == (pa_usec_t) -1)
+ u->block_usec = s->thread_info.max_latency;
+
+ pa_log_debug("new block msec = %lu", (unsigned long) (u->block_usec / PA_USEC_PER_MSEC));
+}
+
+static void process_render(struct userdata *u, pa_usec_t now) {
+ pa_assert(u);
+
+ while (u->timestamp < now + u->block_usec) {
+ pa_memchunk chunk;
+ size_t k;
+
+ k = pa_usec_to_bytes_round_up(now + u->block_usec - u->timestamp, &u->source->sample_spec);
+
+ chunk = u->memchunk;
+ chunk.index += u->peek_index;
+ chunk.length = PA_MIN(chunk.length - u->peek_index, k);
+
+/* pa_log_debug("posting %lu", (unsigned long) chunk.length); */
+ pa_source_post(u->source, &chunk);
+
+ u->peek_index += chunk.length;
+ while (u->peek_index >= u->memchunk.length)
+ u->peek_index -= u->memchunk.length;
+
+ u->timestamp += pa_bytes_to_usec(chunk.length, &u->source->sample_spec);
+ }
+}
+
+static void thread_func(void *userdata) {
+ struct userdata *u = userdata;
+
+ pa_assert(u);
+
+ pa_log_debug("Thread starting up");
+
+ pa_thread_mq_install(&u->thread_mq);
+ pa_rtpoll_install(u->rtpoll);
+
+ u->timestamp = pa_rtclock_usec();
+
+ for (;;) {
+ int ret;
+
+ if (PA_SOURCE_IS_OPENED(u->source->thread_info.state)) {
+ pa_usec_t now;
+
+ now = pa_rtclock_usec();
+
+ if (u->timestamp <= now)
+ process_render(u, now);
+
+ pa_rtpoll_set_timer_absolute(u->rtpoll, u->timestamp);
+ } else
+ pa_rtpoll_set_timer_disabled(u->rtpoll);
+
+ /* Hmm, nothing to do. Let's sleep */
+ if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0)
+ goto fail;
+
+ if (ret == 0)
+ goto finish;
+ }
+
+fail:
+ /* If this was no regular exit from the loop we have to continue
+ * processing messages until we received PA_MESSAGE_SHUTDOWN */
+ pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL);
+ pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
+
+finish:
+ pa_log_debug("Thread shutting down");
+}
+
+static void calc_sine(float *f, size_t l, double freq) {
+ size_t i;
+
+ l /= sizeof(float);
+
+ for (i = 0; i < l; i++)
+ *(f++) = (float) 0.5f * sin((double) i*M_PI*2*freq / (double) l);
+}
+
+int pa__init(pa_module*m) {
+ struct userdata *u;
+ pa_modargs *ma;
+ pa_source_new_data data;
+ uint32_t frequency;
+ pa_sample_spec ss;
+
+ pa_assert(m);
+
+ if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
+ pa_log("failed to parse module arguments.");
+ goto fail;
+ }
+
+ ss.format = PA_SAMPLE_FLOAT32;
+ ss.channels = 1;
+ ss.rate = 44100;
+
+ if (pa_modargs_get_value_u32(ma, "rate", &ss.rate) < 0 || ss.rate <= 1) {
+ pa_log("Invalid rate specification");
+ goto fail;
+ }
+
+ frequency = 440;
+ if (pa_modargs_get_value_u32(ma, "frequency", &frequency) < 0 || frequency < 1 || frequency > ss.rate/2) {
+ pa_log("Invalid frequency specification");
+ goto fail;
+ }
+
+ m->userdata = u = pa_xnew0(struct userdata, 1);
+ u->core = m->core;
+ u->module = m;
+ u->rtpoll = pa_rtpoll_new();
+ pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);
+
+ u->peek_index = 0;
+ pa_memchunk_sine(&u->memchunk, m->core->mempool, ss.rate, frequency);
+
+ pa_source_new_data_init(&data);
+ data.driver = __FILE__;
+ data.module = m;
+ pa_source_new_data_set_name(&data, pa_modargs_get_value(ma, "source_name", DEFAULT_SOURCE_NAME));
+ pa_proplist_setf(data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Sine source at %u Hz", (unsigned) frequency);
+ pa_proplist_sets(data.proplist, PA_PROP_DEVICE_CLASS, "abstract");
+ pa_proplist_setf(data.proplist, "sine.hz", "%u", frequency);
+ pa_source_new_data_set_sample_spec(&data, &ss);
+
+ u->source = pa_source_new(m->core, &data, PA_SOURCE_LATENCY);
+ pa_source_new_data_done(&data);
+
+ if (!u->source) {
+ pa_log("Failed to create source.");
+ goto fail;
+ }
+
+ u->source->parent.process_msg = source_process_msg;
+ u->source->update_requested_latency = source_update_requested_latency_cb;
+ u->source->userdata = u;
+
+ pa_source_set_asyncmsgq(u->source, u->thread_mq.inq);
+ pa_source_set_rtpoll(u->source, u->rtpoll);
+
+ pa_source_set_latency_range(u->source, (pa_usec_t) -1, MAX_LATENCY_USEC);
+ u->block_usec = u->source->thread_info.max_latency;
+
+ if (!(u->thread = pa_thread_new(thread_func, u))) {
+ pa_log("Failed to create thread.");
+ goto fail;
+ }
+
+ pa_source_put(u->source);
+
+ pa_modargs_free(ma);
+
+ return 0;
+
+fail:
+ if (ma)
+ pa_modargs_free(ma);
+
+ pa__done(m);
+
+ return -1;
+}
+
+void pa__done(pa_module*m) {
+ struct userdata *u;
+
+ pa_assert(m);
+
+ if (!(u = m->userdata))
+ return;
+
+ if (u->source)
+ pa_source_unlink(u->source);
+
+ if (u->thread) {
+ pa_asyncmsgq_send(u->thread_mq.inq, NULL, PA_MESSAGE_SHUTDOWN, NULL, 0, NULL);
+ pa_thread_free(u->thread);
+ }
+
+ pa_thread_mq_done(&u->thread_mq);
+
+ if (u->source)
+ pa_source_unref(u->source);
+
+ if (u->memchunk.memblock)
+ pa_memblock_unref(u->memchunk.memblock);
+
+ if (u->rtpoll)
+ pa_rtpoll_free(u->rtpoll);
+
+ pa_xfree(u);
+}
diff --git a/src/modules/module-sine.c b/src/modules/module-sine.c
index 21565cc4..3b0dc352 100644
--- a/src/modules/module-sine.c
+++ b/src/modules/module-sine.c
@@ -41,13 +41,15 @@ PA_MODULE_AUTHOR("Lennart Poettering");
PA_MODULE_DESCRIPTION("Sine wave generator");
PA_MODULE_VERSION(PACKAGE_VERSION);
PA_MODULE_LOAD_ONCE(FALSE);
-PA_MODULE_USAGE("sink=<sink to connect to> frequency=<frequency in Hz>");
+PA_MODULE_USAGE(
+ "sink=<sink to connect to> "
+ "frequency=<frequency in Hz>");
struct userdata {
pa_core *core;
pa_module *module;
pa_sink_input *sink_input;
- pa_memblock *memblock;
+ pa_memchunk memchunk;
size_t peek_index;
};
@@ -64,9 +66,11 @@ static int sink_input_pop_cb(pa_sink_input *i, size_t nbytes, pa_memchunk *chunk
pa_assert_se(u = i->userdata);
pa_assert(chunk);
- chunk->memblock = pa_memblock_ref(u->memblock);
- chunk->length = pa_memblock_get_length(u->memblock) - u->peek_index;
- chunk->index = u->peek_index;
+ *chunk = u->memchunk;
+ pa_memblock_ref(chunk->memblock);
+
+ chunk->index += u->peek_index;
+ chunk->length -= u->peek_index;
u->peek_index = 0;
@@ -74,19 +78,17 @@ static int sink_input_pop_cb(pa_sink_input *i, size_t nbytes, pa_memchunk *chunk
}
static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes) {
- size_t l;
struct userdata *u;
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- l = pa_memblock_get_length(u->memblock);
- nbytes %= l;
+ nbytes %= u->memchunk.length;
if (u->peek_index >= nbytes)
u->peek_index -= nbytes;
else
- u->peek_index = l + u->peek_index - nbytes;
+ u->peek_index = u->memchunk.length + u->peek_index - nbytes;
}
static void sink_input_kill_cb(pa_sink_input *i) {
@@ -116,22 +118,12 @@ static void sink_input_state_change_cb(pa_sink_input *i, pa_sink_input_state_t s
pa_sink_input_request_rewind(i, 0, FALSE, TRUE);
}
-static void calc_sine(float *f, size_t l, double freq) {
- size_t i;
-
- l /= sizeof(float);
-
- for (i = 0; i < l; i++)
- f[i] = (float) sin((double) i/(double)l*M_PI*2*freq)/2;
-}
-
int pa__init(pa_module*m) {
pa_modargs *ma = NULL;
struct userdata *u;
pa_sink *sink;
pa_sample_spec ss;
uint32_t frequency;
- void *p;
pa_sink_input_new_data data;
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
@@ -139,14 +131,7 @@ int pa__init(pa_module*m) {
goto fail;
}
- m->userdata = u = pa_xnew0(struct userdata, 1);
- u->core = m->core;
- u->module = m;
- u->sink_input = NULL;
- u->memblock = NULL;
- u->peek_index = 0;
-
- if (!(sink = pa_namereg_get(m->core, pa_modargs_get_value(ma, "sink", NULL), PA_NAMEREG_SINK, 1))) {
+ if (!(sink = pa_namereg_get(m->core, pa_modargs_get_value(ma, "sink", NULL), PA_NAMEREG_SINK, TRUE))) {
pa_log("No such sink.");
goto fail;
}
@@ -161,19 +146,22 @@ int pa__init(pa_module*m) {
goto fail;
}
- u->memblock = pa_memblock_new(m->core->mempool, pa_bytes_per_second(&ss));
- p = pa_memblock_acquire(u->memblock);
- calc_sine(p, pa_memblock_get_length(u->memblock), (double) frequency);
- pa_memblock_release(u->memblock);
+ m->userdata = u = pa_xnew0(struct userdata, 1);
+ u->core = m->core;
+ u->module = m;
+ u->sink_input = NULL;
+
+ u->peek_index = 0;
+ pa_memchunk_sine(&u->memchunk, m->core->mempool, ss.rate, frequency);
pa_sink_input_new_data_init(&data);
- data.sink = sink;
data.driver = __FILE__;
+ data.module = m;
+ data.sink = sink;
pa_proplist_setf(data.proplist, PA_PROP_MEDIA_NAME, "%u Hz Sine", frequency);
pa_proplist_sets(data.proplist, PA_PROP_MEDIA_ROLE, "abstract");
pa_proplist_setf(data.proplist, "sine.hz", "%u", frequency);
pa_sink_input_new_data_set_sample_spec(&data, &ss);
- data.module = m;
u->sink_input = pa_sink_input_new(m->core, &data, 0);
pa_sink_input_new_data_done(&data);
@@ -213,8 +201,8 @@ void pa__done(pa_module*m) {
pa_sink_input_unref(u->sink_input);
}
- if (u->memblock)
- pa_memblock_unref(u->memblock);
+ if (u->memchunk.memblock)
+ pa_memblock_unref(u->memchunk.memblock);
pa_xfree(u);
}