#error Invalid PulseAudio API version
#endif
+#define CLEAR_LINE "\x1B[K"
+
static enum { RECORD, PLAYBACK } mode = PLAYBACK;
static pa_context *context = NULL;
static pa_stream_flags_t flags = 0;
+static size_t latency = 0, process_time=0;
+
/* A shortcut for terminating the application */
static void quit(int ret) {
assert(mainloop_api);
if (verbose) {
if (pa_stream_is_suspended(s))
- fprintf(stderr, "Stream device suspended.\n");
+ fprintf(stderr, "Stream device suspended." CLEAR_LINE " \n");
else
- fprintf(stderr, "Stream device resumed.\n");
+ fprintf(stderr, "Stream device resumed." CLEAR_LINE " \n");
}
}
+static void stream_underflow_callback(pa_stream *s, void *userdata) {
+ assert(s);
+
+ if (verbose)
+ fprintf(stderr, "Stream underrun." CLEAR_LINE " \n");
+}
+
+static void stream_overflow_callback(pa_stream *s, void *userdata) {
+ assert(s);
+
+ if (verbose)
+ fprintf(stderr, "Stream overrun." CLEAR_LINE " \n");
+}
+
+static void stream_started_callback(pa_stream *s, void *userdata) {
+ assert(s);
+
+ if (verbose)
+ fprintf(stderr, "Stream started." CLEAR_LINE " \n");
+}
+
static void stream_moved_callback(pa_stream *s, void *userdata) {
assert(s);
if (verbose)
- fprintf(stderr, "Stream moved to device %s (%u, %ssuspended).\n", pa_stream_get_device_name(s), pa_stream_get_device_index(s), pa_stream_is_suspended(s) ? "" : "not ");
+ fprintf(stderr, "Stream moved to device %s (%u, %ssuspended)." CLEAR_LINE " \n", pa_stream_get_device_name(s), pa_stream_get_device_index(s), pa_stream_is_suspended(s) ? "" : "not ");
}
/* This is called whenever the context status changes */
case PA_CONTEXT_READY: {
int r;
+ pa_buffer_attr buffer_attr;
assert(c);
assert(!stream);
if (verbose)
- fprintf(stderr, "Connection established.\n");
+ fprintf(stderr, "Connection established." CLEAR_LINE " \n");
if (!(stream = pa_stream_new(c, stream_name, &sample_spec, channel_map_set ? &channel_map : NULL))) {
fprintf(stderr, "pa_stream_new() failed: %s\n", pa_strerror(pa_context_errno(c)));
pa_stream_set_read_callback(stream, stream_read_callback, NULL);
pa_stream_set_suspended_callback(stream, stream_suspended_callback, NULL);
pa_stream_set_moved_callback(stream, stream_moved_callback, NULL);
+ pa_stream_set_underflow_callback(stream, stream_underflow_callback, NULL);
+ pa_stream_set_overflow_callback(stream, stream_overflow_callback, NULL);
+ pa_stream_set_started_callback(stream, stream_started_callback, NULL);
+
+ if (latency > 0) {
+ memset(&buffer_attr, 0, sizeof(buffer_attr));
+ buffer_attr.tlength = latency;
+ buffer_attr.minreq = process_time;
+ flags |= PA_STREAM_ADJUST_LATENCY;
+ }
if (mode == PLAYBACK) {
pa_cvolume cv;
- if ((r = pa_stream_connect_playback(stream, device, NULL, flags, pa_cvolume_set(&cv, sample_spec.channels, volume), NULL)) < 0) {
+ if ((r = pa_stream_connect_playback(stream, device, latency > 0 ? &buffer_attr : NULL, flags, pa_cvolume_set(&cv, sample_spec.channels, volume), NULL)) < 0) {
fprintf(stderr, "pa_stream_connect_playback() failed: %s\n", pa_strerror(pa_context_errno(c)));
goto fail;
}
} else {
- if ((r = pa_stream_connect_record(stream, device, NULL, flags)) < 0) {
+ if ((r = pa_stream_connect_record(stream, device, latency > 0 ? &buffer_attr : NULL, flags)) < 0) {
fprintf(stderr, "pa_stream_connect_record() failed: %s\n", pa_strerror(pa_context_errno(c)));
goto fail;
}
/* Show the current latency */
static void stream_update_timing_callback(pa_stream *s, int success, void *userdata) {
- pa_usec_t latency, usec;
+ pa_usec_t l, usec;
int negative = 0;
assert(s);
if (!success ||
pa_stream_get_time(s, &usec) < 0 ||
- pa_stream_get_latency(s, &latency, &negative) < 0) {
+ pa_stream_get_latency(s, &l, &negative) < 0) {
fprintf(stderr, "Failed to get latency: %s\n", pa_strerror(pa_context_errno(context)));
quit(1);
return;
fprintf(stderr, "Time: %0.3f sec; Latency: %0.0f usec. \r",
(float) usec / 1000000,
- (float) latency * (negative?-1:1));
+ (float) l * (negative?-1:1));
}
/* Someone requested that the latency is shown */
" from the sink the stream is being connected to.\n"
" --no-remix Don't upmix or downmix channels.\n"
" --no-remap Map channels by index instead of name.\n"
+ " --latency=BYTES Request the specified latency in bytes.\n"
+ " --process-time=BYTES Request the specified process time per request in bytes.\n"
,
argv0);
}
ARG_FIX_RATE,
ARG_FIX_CHANNELS,
ARG_NO_REMAP,
- ARG_NO_REMIX
+ ARG_NO_REMIX,
+ ARG_LATENCY,
+ ARG_PROCESS_TIME
};
int main(int argc, char *argv[]) {
pa_time_event *time_event = NULL;
static const struct option long_options[] = {
- {"record", 0, NULL, 'r'},
- {"playback", 0, NULL, 'p'},
- {"device", 1, NULL, 'd'},
- {"server", 1, NULL, 's'},
- {"client-name", 1, NULL, 'n'},
- {"stream-name", 1, NULL, ARG_STREAM_NAME},
- {"version", 0, NULL, ARG_VERSION},
- {"help", 0, NULL, 'h'},
- {"verbose", 0, NULL, 'v'},
- {"volume", 1, NULL, ARG_VOLUME},
- {"rate", 1, NULL, ARG_SAMPLERATE},
- {"format", 1, NULL, ARG_SAMPLEFORMAT},
- {"channels", 1, NULL, ARG_CHANNELS},
- {"channel-map", 1, NULL, ARG_CHANNELMAP},
- {"fix-format", 0, NULL, ARG_FIX_FORMAT},
- {"fix-rate", 0, NULL, ARG_FIX_RATE},
- {"fix-channels",0, NULL, ARG_FIX_CHANNELS},
- {"no-remap", 0, NULL, ARG_NO_REMAP},
- {"no-remix", 0, NULL, ARG_NO_REMIX},
- {NULL, 0, NULL, 0}
+ {"record", 0, NULL, 'r'},
+ {"playback", 0, NULL, 'p'},
+ {"device", 1, NULL, 'd'},
+ {"server", 1, NULL, 's'},
+ {"client-name", 1, NULL, 'n'},
+ {"stream-name", 1, NULL, ARG_STREAM_NAME},
+ {"version", 0, NULL, ARG_VERSION},
+ {"help", 0, NULL, 'h'},
+ {"verbose", 0, NULL, 'v'},
+ {"volume", 1, NULL, ARG_VOLUME},
+ {"rate", 1, NULL, ARG_SAMPLERATE},
+ {"format", 1, NULL, ARG_SAMPLEFORMAT},
+ {"channels", 1, NULL, ARG_CHANNELS},
+ {"channel-map", 1, NULL, ARG_CHANNELMAP},
+ {"fix-format", 0, NULL, ARG_FIX_FORMAT},
+ {"fix-rate", 0, NULL, ARG_FIX_RATE},
+ {"fix-channels", 0, NULL, ARG_FIX_CHANNELS},
+ {"no-remap", 0, NULL, ARG_NO_REMAP},
+ {"no-remix", 0, NULL, ARG_NO_REMIX},
+ {"latency", 1, NULL, ARG_LATENCY},
+ {"process-time", 1, NULL, ARG_PROCESS_TIME},
+ {NULL, 0, NULL, 0}
};
if (!(bn = strrchr(argv[0], '/')))
case ARG_CHANNELMAP:
if (!pa_channel_map_parse(&channel_map, optarg)) {
- fprintf(stderr, "Invalid channel map\n");
+ fprintf(stderr, "Invalid channel map '%s'\n", optarg);
goto quit;
}
flags |= PA_STREAM_NO_REMAP_CHANNELS;
break;
+ case ARG_LATENCY:
+ if (((latency = atoi(optarg))) <= 0) {
+ fprintf(stderr, "Invalid latency specification '%s'\n", optarg);
+ goto quit;
+ }
+ break;
+
+ case ARG_PROCESS_TIME:
+ if (((process_time = atoi(optarg))) <= 0) {
+ fprintf(stderr, "Invalid process time specification '%s'\n", optarg);
+ goto quit;
+ }
+ break;
+
default:
goto quit;
}
projects / profile / ivi / pulseaudio.git / blobdiff