#include <pulse/def.h>
#include <pulse/timeval.h>
+#include <pulse/rtclock.h>
#include <pulse/xmalloc.h>
#include <pulsecore/pstream-util.h>
#include <pulsecore/log.h>
#include <pulsecore/hashmap.h>
#include <pulsecore/macro.h>
-#include <pulsecore/rtclock.h>
+#include <pulsecore/core-rtclock.h>
#include "fork-detect.h"
#include "internal.h"
-#define LATENCY_IPOL_INTERVAL_USEC (333*PA_USEC_PER_MSEC)
+#define AUTO_TIMING_INTERVAL_START_USEC (10*PA_USEC_PER_MSEC)
+#define AUTO_TIMING_INTERVAL_END_USEC (1500*PA_USEC_PER_MSEC)
#define SMOOTHER_ADJUST_TIME (1000*PA_USEC_PER_MSEC)
#define SMOOTHER_HISTORY_TIME (5000*PA_USEC_PER_MSEC)
s->suspended = FALSE;
s->corked = FALSE;
+ s->write_memblock = NULL;
+ s->write_data = NULL;
+
pa_memchunk_reset(&s->peek_memchunk);
s->peek_data = NULL;
-
s->record_memblockq = NULL;
-
memset(&s->timing_info, 0, sizeof(s->timing_info));
s->timing_info_valid = FALSE;
s->auto_timing_update_event = NULL;
s->auto_timing_update_requested = FALSE;
+ s->auto_timing_interval_usec = AUTO_TIMING_INTERVAL_START_USEC;
reset_callbacks(s);
stream_unlink(s);
+ if (s->write_memblock) {
+ pa_memblock_release(s->write_memblock);
+ pa_memblock_unref(s->write_data);
+ }
+
if (s->peek_memchunk.memblock) {
if (s->peek_data)
pa_memblock_release(s->peek_memchunk.memblock);
(force || !s->auto_timing_update_requested)) {
pa_operation *o;
-/* pa_log("automatically requesting new timing data"); */
+/* pa_log("Automatically requesting new timing data"); */
if ((o = pa_stream_update_timing_info(s, NULL, NULL))) {
pa_operation_unref(o);
}
if (s->auto_timing_update_event) {
- struct timeval next;
- pa_gettimeofday(&next);
- pa_timeval_add(&next, LATENCY_IPOL_INTERVAL_USEC);
- s->mainloop->time_restart(s->auto_timing_update_event, &next);
+ if (force)
+ s->auto_timing_interval_usec = AUTO_TIMING_INTERVAL_START_USEC;
+
+ pa_context_rttime_restart(s->context, s->auto_timing_update_event, pa_rtclock_now() + s->auto_timing_interval_usec);
+
+ s->auto_timing_interval_usec = PA_MIN(AUTO_TIMING_INTERVAL_END_USEC, s->auto_timing_interval_usec*2);
}
}
if (!s->smoother)
return;
- x = pa_rtclock_usec();
+ x = pa_rtclock_now();
if (s->timing_info_valid) {
if (aposteriori)
x -= s->timing_info.transport_usec;
else
x += s->timing_info.transport_usec;
-
- if (s->direction == PA_STREAM_PLAYBACK)
- /* it takes a while until the pause/resume is actually
- * audible */
- x += s->timing_info.sink_usec;
- else
- /* Data froma while back will be dropped */
- x -= s->timing_info.source_usec;
}
if (s->suspended || s->corked || force_stop)
pa_smoother_pause(s->smoother, x);
else if (force_start || s->buffer_attr.prebuf == 0)
- pa_smoother_resume(s->smoother, x);
+ pa_smoother_resume(s->smoother, x, TRUE);
+
/* Please note that we have no idea if playback actually started
* if prebuf is non-zero! */
s->requested_bytes += bytes;
if (s->requested_bytes > 0 && s->write_callback)
- s->write_callback(s, s->requested_bytes, s->write_userdata);
+ s->write_callback(s, (size_t) s->requested_bytes, s->write_userdata);
finish:
pa_context_unref(c);
request_auto_timing_update(s, TRUE);
}
-static void auto_timing_update_callback(pa_mainloop_api *m, pa_time_event *e, const struct timeval *tv, void *userdata) {
+static void auto_timing_update_callback(pa_mainloop_api *m, pa_time_event *e, const struct timeval *t, void *userdata) {
pa_stream *s = userdata;
pa_assert(s);
pa_stream_set_state(s, PA_STREAM_READY);
if (s->requested_bytes > 0 && s->write_callback)
- s->write_callback(s, s->requested_bytes, s->write_userdata);
+ s->write_callback(s, (size_t) s->requested_bytes, s->write_userdata);
if (s->flags & PA_STREAM_AUTO_TIMING_UPDATE) {
- struct timeval tv;
- pa_gettimeofday(&tv);
- tv.tv_usec += (suseconds_t) LATENCY_IPOL_INTERVAL_USEC; /* every 100 ms */
+ s->auto_timing_interval_usec = AUTO_TIMING_INTERVAL_START_USEC;
pa_assert(!s->auto_timing_update_event);
- s->auto_timing_update_event = s->mainloop->time_new(s->mainloop, &tv, &auto_timing_update_callback, s);
+ s->auto_timing_update_event = pa_context_rttime_new(s->context, pa_rtclock_now() + s->auto_timing_interval_usec, &auto_timing_update_callback, s);
request_auto_timing_update(s, TRUE);
}
void pa_create_stream_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
pa_stream *s = userdata;
+ uint32_t requested_bytes = 0;
pa_assert(pd);
pa_assert(s);
if (pa_tagstruct_getu32(t, &s->channel) < 0 ||
s->channel == PA_INVALID_INDEX ||
((s->direction != PA_STREAM_UPLOAD) && (pa_tagstruct_getu32(t, &s->stream_index) < 0 || s->stream_index == PA_INVALID_INDEX)) ||
- ((s->direction != PA_STREAM_RECORD) && pa_tagstruct_getu32(t, &s->requested_bytes) < 0)) {
+ ((s->direction != PA_STREAM_RECORD) && pa_tagstruct_getu32(t, &requested_bytes) < 0)) {
pa_context_fail(s->context, PA_ERR_PROTOCOL);
goto finish;
}
+ s->requested_bytes = (int64_t) requested_bytes;
+
if (s->context->version >= 9) {
if (s->direction == PA_STREAM_PLAYBACK) {
if (pa_tagstruct_getu32(t, &s->buffer_attr.maxlength) < 0 ||
if (flags & PA_STREAM_INTERPOLATE_TIMING) {
pa_usec_t x;
- if (s->smoother)
- pa_smoother_free(s->smoother);
-
- s->smoother = pa_smoother_new(SMOOTHER_ADJUST_TIME, SMOOTHER_HISTORY_TIME, !(flags & PA_STREAM_NOT_MONOTONIC), SMOOTHER_MIN_HISTORY);
-
- x = pa_rtclock_usec();
- pa_smoother_set_time_offset(s->smoother, x);
- pa_smoother_pause(s->smoother, x);
+ x = pa_rtclock_now();
+
+ pa_assert(!s->smoother);
+ s->smoother = pa_smoother_new(
+ SMOOTHER_ADJUST_TIME,
+ SMOOTHER_HISTORY_TIME,
+ !(flags & PA_STREAM_NOT_MONOTONIC),
+ TRUE,
+ SMOOTHER_MIN_HISTORY,
+ x,
+ TRUE);
}
if (!dev)
const char *dev,
const pa_buffer_attr *attr,
pa_stream_flags_t flags,
- pa_cvolume *volume,
+ const pa_cvolume *volume,
pa_stream *sync_stream) {
pa_assert(s);
return create_stream(PA_STREAM_RECORD, s, dev, attr, flags, NULL, NULL);
}
+int pa_stream_begin_write(
+ pa_stream *s,
+ void **data,
+ size_t *nbytes) {
+
+ pa_assert(s);
+ pa_assert(PA_REFCNT_VALUE(s) >= 1);
+
+ PA_CHECK_VALIDITY(s->context, !pa_detect_fork(), PA_ERR_FORKED);
+ PA_CHECK_VALIDITY(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE);
+ PA_CHECK_VALIDITY(s->context, s->direction == PA_STREAM_PLAYBACK || s->direction == PA_STREAM_UPLOAD, PA_ERR_BADSTATE);
+ PA_CHECK_VALIDITY(s->context, data, PA_ERR_INVALID);
+ PA_CHECK_VALIDITY(s->context, nbytes && *nbytes != 0, PA_ERR_INVALID);
+
+ if (*nbytes != (size_t) -1) {
+ size_t m, fs;
+
+ m = pa_mempool_block_size_max(s->context->mempool);
+ fs = pa_frame_size(&s->sample_spec);
+
+ m = (m / fs) * fs;
+ if (*nbytes > m)
+ *nbytes = m;
+ }
+
+ if (!s->write_memblock) {
+ s->write_memblock = pa_memblock_new(s->context->mempool, *nbytes);
+ s->write_data = pa_memblock_acquire(s->write_memblock);
+ }
+
+ *data = s->write_data;
+ *nbytes = pa_memblock_get_length(s->write_memblock);
+
+ return 0;
+}
+
+int pa_stream_cancel_write(
+ pa_stream *s) {
+
+ pa_assert(s);
+ pa_assert(PA_REFCNT_VALUE(s) >= 1);
+
+ PA_CHECK_VALIDITY(s->context, !pa_detect_fork(), PA_ERR_FORKED);
+ PA_CHECK_VALIDITY(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE);
+ PA_CHECK_VALIDITY(s->context, s->direction == PA_STREAM_PLAYBACK || s->direction == PA_STREAM_UPLOAD, PA_ERR_BADSTATE);
+ PA_CHECK_VALIDITY(s->context, s->write_memblock, PA_ERR_BADSTATE);
+
+ pa_assert(s->write_data);
+
+ pa_memblock_release(s->write_memblock);
+ pa_memblock_unref(s->write_memblock);
+ s->write_memblock = NULL;
+ s->write_data = NULL;
+
+ return 0;
+}
+
int pa_stream_write(
pa_stream *s,
const void *data,
size_t length,
- void (*free_cb)(void *p),
+ pa_free_cb_t free_cb,
int64_t offset,
pa_seek_mode_t seek) {
- pa_memchunk chunk;
- pa_seek_mode_t t_seek;
- int64_t t_offset;
- size_t t_length;
- const void *t_data;
-
pa_assert(s);
pa_assert(PA_REFCNT_VALUE(s) >= 1);
pa_assert(data);
PA_CHECK_VALIDITY(s->context, s->direction == PA_STREAM_PLAYBACK || s->direction == PA_STREAM_UPLOAD, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY(s->context, seek <= PA_SEEK_RELATIVE_END, PA_ERR_INVALID);
PA_CHECK_VALIDITY(s->context, s->direction == PA_STREAM_PLAYBACK || (seek == PA_SEEK_RELATIVE && offset == 0), PA_ERR_INVALID);
+ PA_CHECK_VALIDITY(s->context,
+ !s->write_memblock ||
+ ((data >= s->write_data) &&
+ ((const char*) data + length <= (const char*) s->write_data + pa_memblock_get_length(s->write_memblock))),
+ PA_ERR_INVALID);
+ PA_CHECK_VALIDITY(s->context, !free_cb || !s->write_memblock, PA_ERR_INVALID);
- if (length <= 0)
- return 0;
+ if (s->write_memblock) {
+ pa_memchunk chunk;
- t_seek = seek;
- t_offset = offset;
- t_length = length;
- t_data = data;
+ /* pa_stream_write_begin() was called before */
- while (t_length > 0) {
+ pa_memblock_release(s->write_memblock);
- chunk.index = 0;
+ chunk.memblock = s->write_memblock;
+ chunk.index = (const char *) data - (const char *) s->write_data;
+ chunk.length = length;
- if (free_cb && !pa_pstream_get_shm(s->context->pstream)) {
- chunk.memblock = pa_memblock_new_user(s->context->mempool, (void*) t_data, t_length, free_cb, 1);
- chunk.length = t_length;
- } else {
- void *d;
+ s->write_memblock = NULL;
+ s->write_data = NULL;
- chunk.length = PA_MIN(t_length, pa_mempool_block_size_max(s->context->mempool));
- chunk.memblock = pa_memblock_new(s->context->mempool, chunk.length);
+ pa_pstream_send_memblock(s->context->pstream, s->channel, offset, seek, &chunk);
+ pa_memblock_unref(chunk.memblock);
- d = pa_memblock_acquire(chunk.memblock);
- memcpy(d, t_data, chunk.length);
- pa_memblock_release(chunk.memblock);
- }
+ } else {
+ pa_seek_mode_t t_seek = seek;
+ int64_t t_offset = offset;
+ size_t t_length = length;
+ const void *t_data = data;
- pa_pstream_send_memblock(s->context->pstream, s->channel, t_offset, t_seek, &chunk);
+ /* pa_stream_write_begin() was not called before */
- t_offset = 0;
- t_seek = PA_SEEK_RELATIVE;
+ while (t_length > 0) {
+ pa_memchunk chunk;
- t_data = (const uint8_t*) t_data + chunk.length;
- t_length -= chunk.length;
+ chunk.index = 0;
- pa_memblock_unref(chunk.memblock);
- }
+ if (free_cb && !pa_pstream_get_shm(s->context->pstream)) {
+ chunk.memblock = pa_memblock_new_user(s->context->mempool, (void*) t_data, t_length, free_cb, 1);
+ chunk.length = t_length;
+ } else {
+ void *d;
- if (free_cb && pa_pstream_get_shm(s->context->pstream))
- free_cb((void*) data);
+ chunk.length = PA_MIN(t_length, pa_mempool_block_size_max(s->context->mempool));
+ chunk.memblock = pa_memblock_new(s->context->mempool, chunk.length);
- if (length < s->requested_bytes)
- s->requested_bytes -= (uint32_t) length;
- else
- s->requested_bytes = 0;
+ d = pa_memblock_acquire(chunk.memblock);
+ memcpy(d, t_data, chunk.length);
+ pa_memblock_release(chunk.memblock);
+ }
+
+ pa_pstream_send_memblock(s->context->pstream, s->channel, t_offset, t_seek, &chunk);
+
+ t_offset = 0;
+ t_seek = PA_SEEK_RELATIVE;
+
+ t_data = (const uint8_t*) t_data + chunk.length;
+ t_length -= chunk.length;
+
+ pa_memblock_unref(chunk.memblock);
+ }
+
+ if (free_cb && pa_pstream_get_shm(s->context->pstream))
+ free_cb((void*) data);
+ }
- /* FIXME!!! ^^^ will break when offset is != 0 and mode is not RELATIVE*/
+ /* This is obviously wrong since we ignore the seeking index . But
+ * that's OK, the server side applies the same error */
+ s->requested_bytes -= (seek == PA_SEEK_RELATIVE ? offset : 0) + (int64_t) length;
if (s->direction == PA_STREAM_PLAYBACK) {
PA_CHECK_VALIDITY_RETURN_ANY(s->context, s->state == PA_STREAM_READY, PA_ERR_BADSTATE, (size_t) -1);
PA_CHECK_VALIDITY_RETURN_ANY(s->context, s->direction != PA_STREAM_RECORD, PA_ERR_BADSTATE, (size_t) -1);
- return s->requested_bytes;
+ return s->requested_bytes > 0 ? (size_t) s->requested_bytes : 0;
}
size_t pa_stream_readable_size(pa_stream *s) {
if (o->stream->smoother) {
pa_usec_t u, x;
- u = x = pa_rtclock_usec() - i->transport_usec;
+ u = x = pa_rtclock_now() - i->transport_usec;
if (o->stream->direction == PA_STREAM_PLAYBACK && o->context->version >= 13) {
pa_usec_t su;
pa_smoother_put(o->stream->smoother, u, calc_time(o->stream, TRUE));
if (i->playing)
- pa_smoother_resume(o->stream->smoother, x);
+ pa_smoother_resume(o->stream->smoother, x, TRUE);
}
}
PA_CHECK_VALIDITY(s->context, s->direction != PA_STREAM_RECORD || !s->timing_info.write_index_corrupt, PA_ERR_NODATA);
if (s->smoother)
- usec = pa_smoother_get(s->smoother, pa_rtclock_usec());
+ usec = pa_smoother_get(s->smoother, pa_rtclock_now());
else
usec = calc_time(s, FALSE);