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authorLennart Poettering <lennart@poettering.net>2009-07-23 20:01:40 +0200
committerLennart Poettering <lennart@poettering.net>2009-07-23 20:01:40 +0200
commita81244a726b28fb7e3ccf5fd1d1d823023602c30 (patch)
tree93bad507165dd49537bce6d3578c75e3d4ddb677 /src/utils/pacat.c
parente02e0259e5e0c22ff7fd598cfaf70f03e82c957a (diff)
pacat: use zero-copy write calls when playing audio file
Diffstat (limited to 'src/utils/pacat.c')
-rw-r--r--src/utils/pacat.c126
1 files changed, 65 insertions, 61 deletions
diff --git a/src/utils/pacat.c b/src/utils/pacat.c
index f00a32eb..9264a062 100644
--- a/src/utils/pacat.c
+++ b/src/utils/pacat.c
@@ -105,12 +105,12 @@ static void context_drain_complete(pa_context*c, void *userdata) {
static void stream_drain_complete(pa_stream*s, int success, void *userdata) {
if (!success) {
- pa_log(_("Failed to drain stream: %s\n"), pa_strerror(pa_context_errno(context)));
+ pa_log(_("Failed to drain stream: %s"), pa_strerror(pa_context_errno(context)));
quit(1);
}
if (verbose)
- pa_log(_("Playback stream drained.\n"));
+ pa_log(_("Playback stream drained."));
pa_stream_disconnect(stream);
pa_stream_unref(stream);
@@ -120,7 +120,7 @@ static void stream_drain_complete(pa_stream*s, int success, void *userdata) {
pa_context_disconnect(context);
else {
if (verbose)
- pa_log(_("Draining connection to server.\n"));
+ pa_log(_("Draining connection to server."));
}
}
@@ -133,7 +133,7 @@ static void start_drain(void) {
pa_stream_set_write_callback(stream, NULL, NULL);
if (!(o = pa_stream_drain(stream, stream_drain_complete, NULL))) {
- pa_log(_("pa_stream_drain(): %s\n"), pa_strerror(pa_context_errno(context)));
+ pa_log(_("pa_stream_drain(): %s"), pa_strerror(pa_context_errno(context)));
quit(1);
return;
}
@@ -156,7 +156,7 @@ static void do_stream_write(size_t length) {
l = buffer_length;
if (pa_stream_write(stream, (uint8_t*) buffer + buffer_index, l, NULL, 0, PA_SEEK_RELATIVE) < 0) {
- pa_log(_("pa_stream_write() failed: %s\n"), pa_strerror(pa_context_errno(context)));
+ pa_log(_("pa_stream_write() failed: %s"), pa_strerror(pa_context_errno(context)));
quit(1);
return;
}
@@ -193,7 +193,11 @@ static void stream_write_callback(pa_stream *s, size_t length, void *userdata) {
pa_assert(sndfile);
- data = pa_xmalloc(length);
+ if (pa_stream_begin_write(s, &data, &length) < 0) {
+ pa_log(_("pa_stream_begin_write() failed: %s"), pa_strerror(pa_context_errno(context)));
+ quit(1);
+ return;
+ }
if (readf_function) {
size_t k = pa_frame_size(&sample_spec);
@@ -205,9 +209,9 @@ static void stream_write_callback(pa_stream *s, size_t length, void *userdata) {
bytes = sf_read_raw(sndfile, data, (sf_count_t) length);
if (bytes > 0)
- pa_stream_write(s, data, (size_t) bytes, pa_xfree, 0, PA_SEEK_RELATIVE);
+ pa_stream_write(s, data, (size_t) bytes, NULL, 0, PA_SEEK_RELATIVE);
else
- pa_xfree(data);
+ pa_stream_cancel_write(s);
if (bytes < (sf_count_t) length)
start_drain();
@@ -226,12 +230,11 @@ static void stream_read_callback(pa_stream *s, size_t length, void *userdata) {
if (stdio_event)
mainloop_api->io_enable(stdio_event, PA_IO_EVENT_OUTPUT);
-
while (pa_stream_readable_size(s) > 0) {
const void *data;
if (pa_stream_peek(s, &data, &length) < 0) {
- pa_log(_("pa_stream_peek() failed: %s\n"), pa_strerror(pa_context_errno(context)));
+ pa_log(_("pa_stream_peek() failed: %s"), pa_strerror(pa_context_errno(context)));
quit(1);
return;
}
@@ -249,6 +252,7 @@ static void stream_read_callback(pa_stream *s, size_t length, void *userdata) {
buffer_length = length;
buffer_index = 0;
}
+
pa_stream_drop(s);
}
@@ -260,7 +264,7 @@ static void stream_read_callback(pa_stream *s, size_t length, void *userdata) {
const void *data;
if (pa_stream_peek(s, &data, &length) < 0) {
- pa_log(_("pa_stream_peek() failed: %s\n"), pa_strerror(pa_context_errno(context)));
+ pa_log(_("pa_stream_peek() failed: %s"), pa_strerror(pa_context_errno(context)));
quit(1);
return;
}
@@ -300,25 +304,25 @@ static void stream_state_callback(pa_stream *s, void *userdata) {
const pa_buffer_attr *a;
char cmt[PA_CHANNEL_MAP_SNPRINT_MAX], sst[PA_SAMPLE_SPEC_SNPRINT_MAX];
- pa_log(_("Stream successfully created.\n"));
+ pa_log(_("Stream successfully created."));
if (!(a = pa_stream_get_buffer_attr(s)))
- pa_log(_("pa_stream_get_buffer_attr() failed: %s\n"), pa_strerror(pa_context_errno(pa_stream_get_context(s))));
+ pa_log(_("pa_stream_get_buffer_attr() failed: %s"), pa_strerror(pa_context_errno(pa_stream_get_context(s))));
else {
if (mode == PLAYBACK)
- pa_log(_("Buffer metrics: maxlength=%u, tlength=%u, prebuf=%u, minreq=%u\n"), a->maxlength, a->tlength, a->prebuf, a->minreq);
+ pa_log(_("Buffer metrics: maxlength=%u, tlength=%u, prebuf=%u, minreq=%u"), a->maxlength, a->tlength, a->prebuf, a->minreq);
else {
pa_assert(mode == RECORD);
- pa_log(_("Buffer metrics: maxlength=%u, fragsize=%u\n"), a->maxlength, a->fragsize);
+ pa_log(_("Buffer metrics: maxlength=%u, fragsize=%u"), a->maxlength, a->fragsize);
}
}
- pa_log(_("Using sample spec '%s', channel map '%s'.\n"),
+ pa_log(_("Using sample spec '%s', channel map '%s'."),
pa_sample_spec_snprint(sst, sizeof(sst), pa_stream_get_sample_spec(s)),
pa_channel_map_snprint(cmt, sizeof(cmt), pa_stream_get_channel_map(s)));
- pa_log(_("Connected to device %s (%u, %ssuspended).\n"),
+ pa_log(_("Connected to device %s (%u, %ssuspended)."),
pa_stream_get_device_name(s),
pa_stream_get_device_index(s),
pa_stream_is_suspended(s) ? "" : "not ");
@@ -328,7 +332,7 @@ static void stream_state_callback(pa_stream *s, void *userdata) {
case PA_STREAM_FAILED:
default:
- pa_log(_("Stream error: %s\n"), pa_strerror(pa_context_errno(pa_stream_get_context(s))));
+ pa_log(_("Stream error: %s"), pa_strerror(pa_context_errno(pa_stream_get_context(s))));
quit(1);
}
}
@@ -338,9 +342,9 @@ static void stream_suspended_callback(pa_stream *s, void *userdata) {
if (verbose) {
if (pa_stream_is_suspended(s))
- pa_log(_("Stream device suspended.%s \n"), CLEAR_LINE);
+ pa_log(_("Stream device suspended.%s"), CLEAR_LINE);
else
- pa_log(_("Stream device resumed.%s \n"), CLEAR_LINE);
+ pa_log(_("Stream device resumed.%s"), CLEAR_LINE);
}
}
@@ -348,35 +352,35 @@ static void stream_underflow_callback(pa_stream *s, void *userdata) {
pa_assert(s);
if (verbose)
- pa_log(_("Stream underrun.%s \n"), CLEAR_LINE);
+ pa_log(_("Stream underrun.%s"), CLEAR_LINE);
}
static void stream_overflow_callback(pa_stream *s, void *userdata) {
pa_assert(s);
if (verbose)
- pa_log(_("Stream overrun.%s \n"), CLEAR_LINE);
+ pa_log(_("Stream overrun.%s"), CLEAR_LINE);
}
static void stream_started_callback(pa_stream *s, void *userdata) {
pa_assert(s);
if (verbose)
- pa_log(_("Stream started.%s \n"), CLEAR_LINE);
+ pa_log(_("Stream started.%s"), CLEAR_LINE);
}
static void stream_moved_callback(pa_stream *s, void *userdata) {
pa_assert(s);
if (verbose)
- pa_log(_("Stream moved to device %s (%u, %ssuspended).%s \n"), pa_stream_get_device_name(s), pa_stream_get_device_index(s), pa_stream_is_suspended(s) ? "" : _("not "), CLEAR_LINE);
+ pa_log(_("Stream moved to device %s (%u, %ssuspended).%s"), pa_stream_get_device_name(s), pa_stream_get_device_index(s), pa_stream_is_suspended(s) ? "" : _("not "), CLEAR_LINE);
}
static void stream_buffer_attr_callback(pa_stream *s, void *userdata) {
pa_assert(s);
if (verbose)
- pa_log(_("Stream buffer attributes changed.%s \n"), CLEAR_LINE);
+ pa_log(_("Stream buffer attributes changed.%s"), CLEAR_LINE);
}
static void stream_event_callback(pa_stream *s, const char *name, pa_proplist *pl, void *userdata) {
@@ -387,7 +391,7 @@ static void stream_event_callback(pa_stream *s, const char *name, pa_proplist *p
pa_assert(pl);
t = pa_proplist_to_string_sep(pl, ", ");
- pa_log("Got event '%s', properties '%s'\n", name, t);
+ pa_log("Got event '%s', properties '%s'", name, t);
pa_xfree(t);
}
@@ -409,10 +413,10 @@ static void context_state_callback(pa_context *c, void *userdata) {
pa_assert(!stream);
if (verbose)
- pa_log(_("Connection established.%s \n"), CLEAR_LINE);
+ pa_log(_("Connection established.%s"), CLEAR_LINE);
if (!(stream = pa_stream_new_with_proplist(c, NULL, &sample_spec, &channel_map, proplist))) {
- pa_log(_("pa_stream_new() failed: %s\n"), pa_strerror(pa_context_errno(c)));
+ pa_log(_("pa_stream_new() failed: %s"), pa_strerror(pa_context_errno(c)));
goto fail;
}
@@ -440,13 +444,13 @@ static void context_state_callback(pa_context *c, void *userdata) {
if (mode == PLAYBACK) {
pa_cvolume cv;
if ((r = pa_stream_connect_playback(stream, device, latency > 0 ? &buffer_attr : NULL, flags, volume_is_set ? pa_cvolume_set(&cv, sample_spec.channels, volume) : NULL, NULL)) < 0) {
- pa_log(_("pa_stream_connect_playback() failed: %s\n"), pa_strerror(pa_context_errno(c)));
+ pa_log(_("pa_stream_connect_playback() failed: %s"), pa_strerror(pa_context_errno(c)));
goto fail;
}
} else {
if ((r = pa_stream_connect_record(stream, device, latency > 0 ? &buffer_attr : NULL, flags)) < 0) {
- pa_log(_("pa_stream_connect_record() failed: %s\n"), pa_strerror(pa_context_errno(c)));
+ pa_log(_("pa_stream_connect_record() failed: %s"), pa_strerror(pa_context_errno(c)));
goto fail;
}
}
@@ -460,7 +464,7 @@ static void context_state_callback(pa_context *c, void *userdata) {
case PA_CONTEXT_FAILED:
default:
- pa_log(_("Connection failure: %s\n"), pa_strerror(pa_context_errno(c)));
+ pa_log(_("Connection failure: %s"), pa_strerror(pa_context_errno(c)));
goto fail;
}
@@ -493,12 +497,12 @@ static void stdin_callback(pa_mainloop_api*a, pa_io_event *e, int fd, pa_io_even
if ((r = read(fd, buffer, l)) <= 0) {
if (r == 0) {
if (verbose)
- pa_log(_("Got EOF.\n"));
+ pa_log(_("Got EOF."));
start_drain();
} else {
- pa_log(_("read() failed: %s\n"), strerror(errno));
+ pa_log(_("read() failed: %s"), strerror(errno));
quit(1);
}
@@ -530,7 +534,7 @@ static void stdout_callback(pa_mainloop_api*a, pa_io_event *e, int fd, pa_io_eve
pa_assert(buffer_length);
if ((r = write(fd, (uint8_t*) buffer+buffer_index, buffer_length)) <= 0) {
- pa_log(_("write() failed: %s\n"), strerror(errno));
+ pa_log(_("write() failed: %s"), strerror(errno));
quit(1);
mainloop_api->io_free(stdio_event);
@@ -551,7 +555,7 @@ static void stdout_callback(pa_mainloop_api*a, pa_io_event *e, int fd, pa_io_eve
/* UNIX signal to quit recieved */
static void exit_signal_callback(pa_mainloop_api*m, pa_signal_event *e, int sig, void *userdata) {
if (verbose)
- pa_log(_("Got signal, exiting.\n"));
+ pa_log(_("Got signal, exiting."));
quit(0);
}
@@ -565,7 +569,7 @@ static void stream_update_timing_callback(pa_stream *s, int success, void *userd
if (!success ||
pa_stream_get_time(s, &usec) < 0 ||
pa_stream_get_latency(s, &l, &negative) < 0) {
- pa_log(_("Failed to get latency: %s\n"), pa_strerror(pa_context_errno(context)));
+ pa_log(_("Failed to get latency: %s"), pa_strerror(pa_context_errno(context)));
quit(1);
return;
}
@@ -588,7 +592,7 @@ static void time_event_callback(pa_mainloop_api *m, pa_time_event *e, const stru
if (stream && pa_stream_get_state(stream) == PA_STREAM_READY) {
pa_operation *o;
if (!(o = pa_stream_update_timing_info(stream, stream_update_timing_callback, NULL)))
- pa_log(_("pa_stream_update_timing_info() failed: %s\n"), pa_strerror(pa_context_errno(context)));
+ pa_log(_("pa_stream_update_timing_info() failed: %s"), pa_strerror(pa_context_errno(context)));
else
pa_operation_unref(o);
}
@@ -753,7 +757,7 @@ int main(int argc, char *argv[]) {
if (!(t = pa_locale_to_utf8(optarg)) ||
pa_proplist_sets(proplist, PA_PROP_APPLICATION_NAME, t) < 0) {
- pa_log(_("Invalid client name '%s'\n"), t ? t : optarg);
+ pa_log(_("Invalid client name '%s'"), t ? t : optarg);
pa_xfree(t);
goto quit;
}
@@ -769,7 +773,7 @@ int main(int argc, char *argv[]) {
if (!(t = pa_locale_to_utf8(optarg)) ||
pa_proplist_sets(proplist, PA_PROP_MEDIA_NAME, t) < 0) {
- pa_log(_("Invalid stream name '%s'\n"), t ? t : optarg);
+ pa_log(_("Invalid stream name '%s'"), t ? t : optarg);
pa_xfree(t);
goto quit;
}
@@ -806,7 +810,7 @@ int main(int argc, char *argv[]) {
case ARG_CHANNELMAP:
if (!pa_channel_map_parse(&channel_map, optarg)) {
- pa_log(_("Invalid channel map '%s'\n"), optarg);
+ pa_log(_("Invalid channel map '%s'"), optarg);
goto quit;
}
@@ -835,14 +839,14 @@ int main(int argc, char *argv[]) {
case ARG_LATENCY:
if (((latency = (size_t) atoi(optarg))) <= 0) {
- pa_log(_("Invalid latency specification '%s'\n"), optarg);
+ pa_log(_("Invalid latency specification '%s'"), optarg);
goto quit;
}
break;
case ARG_PROCESS_TIME:
if (((process_time = (size_t) atoi(optarg))) <= 0) {
- pa_log(_("Invalid process time specification '%s'\n"), optarg);
+ pa_log(_("Invalid process time specification '%s'"), optarg);
goto quit;
}
break;
@@ -854,7 +858,7 @@ int main(int argc, char *argv[]) {
pa_proplist_setp(proplist, t) < 0) {
pa_xfree(t);
- pa_log(_("Invalid property '%s'\n"), optarg);
+ pa_log(_("Invalid property '%s'"), optarg);
goto quit;
}
@@ -890,7 +894,7 @@ int main(int argc, char *argv[]) {
}
if (!pa_sample_spec_valid(&sample_spec)) {
- pa_log(_("Invalid sample specification\n"));
+ pa_log(_("Invalid sample specification"));
goto quit;
}
@@ -900,19 +904,19 @@ int main(int argc, char *argv[]) {
filename = argv[optind];
if ((fd = open(argv[optind], mode == PLAYBACK ? O_RDONLY : O_WRONLY|O_TRUNC|O_CREAT, 0666)) < 0) {
- pa_log(_("open(): %s\n"), strerror(errno));
+ pa_log(_("open(): %s"), strerror(errno));
goto quit;
}
if (dup2(fd, mode == PLAYBACK ? STDIN_FILENO : STDOUT_FILENO) < 0) {
- pa_log(_("dup2(): %s\n"), strerror(errno));
+ pa_log(_("dup2(): %s"), strerror(errno));
goto quit;
}
pa_close(fd);
} else if (optind+1 <= argc) {
- pa_log(_("Too many arguments.\n"));
+ pa_log(_("Too many arguments."));
goto quit;
}
@@ -923,7 +927,7 @@ int main(int argc, char *argv[]) {
if (mode == RECORD) {
/* This might patch up the sample spec */
if (pa_sndfile_write_sample_spec(&sfi, &sample_spec) < 0) {
- pa_log(_("Failed to generate sample specification for file.\n"));
+ pa_log(_("Failed to generate sample specification for file."));
goto quit;
}
@@ -943,16 +947,16 @@ int main(int argc, char *argv[]) {
if (!(sndfile = sf_open_fd(mode == RECORD ? STDOUT_FILENO : STDIN_FILENO,
mode == RECORD ? SFM_WRITE : SFM_READ,
&sfi, 0))) {
- pa_log(_("Failed to open audio file.\n"));
+ pa_log(_("Failed to open audio file."));
goto quit;
}
if (mode == PLAYBACK) {
if (sample_spec_set)
- pa_log(_("Warning: specified sample specification will be overwritten with specification from file.\n"));
+ pa_log(_("Warning: specified sample specification will be overwritten with specification from file."));
if (pa_sndfile_read_sample_spec(sndfile, &sample_spec) < 0) {
- pa_log(_("Failed to determine sample specification from file.\n"));
+ pa_log(_("Failed to determine sample specification from file."));
goto quit;
}
sample_spec_set = TRUE;
@@ -961,7 +965,7 @@ int main(int argc, char *argv[]) {
/* Allow the user to overwrite the channel map on the command line */
if (pa_sndfile_read_channel_map(sndfile, &channel_map) < 0) {
if (sample_spec.channels > 2)
- pa_log(_("Warning: Failed to determine channel map from file.\n"));
+ pa_log(_("Warning: Failed to determine channel map from file."));
} else
channel_map_set = TRUE;
}
@@ -972,7 +976,7 @@ int main(int argc, char *argv[]) {
pa_channel_map_init_extend(&channel_map, sample_spec.channels, PA_CHANNEL_MAP_DEFAULT);
if (!pa_channel_map_compatible(&channel_map, &sample_spec)) {
- pa_log(_("Channel map doesn't match sample specification\n"));
+ pa_log(_("Channel map doesn't match sample specification"));
goto quit;
}
@@ -983,7 +987,7 @@ int main(int argc, char *argv[]) {
readf_function = pa_sndfile_readf_function(&sample_spec);
else {
if (pa_sndfile_write_channel_map(sndfile, &channel_map) < 0)
- pa_log(_("Warning: failed to write channel map to file.\n"));
+ pa_log(_("Warning: failed to write channel map to file."));
writef_function = pa_sndfile_writef_function(&sample_spec);
}
@@ -998,7 +1002,7 @@ int main(int argc, char *argv[]) {
if (verbose) {
char tss[PA_SAMPLE_SPEC_SNPRINT_MAX], tcm[PA_CHANNEL_MAP_SNPRINT_MAX];
- pa_log(_("Opening a %s stream with sample specification '%s' and channel map '%s'.\n"),
+ pa_log(_("Opening a %s stream with sample specification '%s' and channel map '%s'."),
mode == RECORD ? _("recording") : _("playback"),
pa_sample_spec_snprint(tss, sizeof(tss), &sample_spec),
pa_channel_map_snprint(tcm, sizeof(tcm), &channel_map));
@@ -1025,7 +1029,7 @@ int main(int argc, char *argv[]) {
/* Set up a new main loop */
if (!(m = pa_mainloop_new())) {
- pa_log(_("pa_mainloop_new() failed.\n"));
+ pa_log(_("pa_mainloop_new() failed."));
goto quit;
}
@@ -1044,14 +1048,14 @@ int main(int argc, char *argv[]) {
mode == PLAYBACK ? STDIN_FILENO : STDOUT_FILENO,
mode == PLAYBACK ? PA_IO_EVENT_INPUT : PA_IO_EVENT_OUTPUT,
mode == PLAYBACK ? stdin_callback : stdout_callback, NULL))) {
- pa_log(_("io_new() failed.\n"));
+ pa_log(_("io_new() failed."));
goto quit;
}
}
/* Create a new connection context */
if (!(context = pa_context_new_with_proplist(mainloop_api, NULL, proplist))) {
- pa_log(_("pa_context_new() failed.\n"));
+ pa_log(_("pa_context_new() failed."));
goto quit;
}
@@ -1059,20 +1063,20 @@ int main(int argc, char *argv[]) {
/* Connect the context */
if (pa_context_connect(context, server, 0, NULL) < 0) {
- pa_log(_("pa_context_connect() failed: %s\n"), pa_strerror(pa_context_errno(context)));
+ pa_log(_("pa_context_connect() failed: %s"), pa_strerror(pa_context_errno(context)));
goto quit;
}
if (verbose) {
if (!(time_event = pa_context_rttime_new(context, pa_rtclock_now() + TIME_EVENT_USEC, time_event_callback, NULL))) {
- pa_log(_("pa_context_rttime_new() failed.\n"));
+ pa_log(_("pa_context_rttime_new() failed."));
goto quit;
}
}
/* Run the main loop */
if (pa_mainloop_run(m, &ret) < 0) {
- pa_log(_("pa_mainloop_run() failed.\n"));
+ pa_log(_("pa_mainloop_run() failed."));
goto quit;
}