static pa_hook_result_t sink_input_fixate_hook_callback(pa_core *c, pa_sink_input_new_data *data, struct userdata *u) {
struct rule *r;
char *name;
pa_assert(data);
/* In the FIXATE hook we only adjust the volum. Adjusting the device
* is left for the NEW hook */
if (!data->client || !(name = client_name(data->client)))
return PA_HOOK_OK;
if ((r = pa_hashmap_get(u->hashmap, name))) {
if (r->volume_is_set && data->sample_spec.channels == r->volume.channels) {
pa_log_info("Restoring volume for <%s>", r->name);
pa_sink_input_new_data_set_volume(data, &r->volume);
}
}
pa_xfree(name);
return PA_HOOK_OK;
}
pa_sink_input* pa_memblockq_sink_input_new(
pa_sink *sink,
const pa_sample_spec *ss,
const pa_channel_map *map,
pa_memblockq *q,
pa_cvolume *volume,
pa_proplist *p,
pa_sink_input_flags_t flags) {
memblockq_stream *u = NULL;
pa_sink_input_new_data data;
pa_assert(sink);
pa_assert(ss);
/* We allow creating this stream with no q set, so that it can be
* filled in later */
u = pa_msgobject_new(memblockq_stream);
u->parent.parent.free = memblockq_stream_free;
u->parent.process_msg = memblockq_stream_process_msg;
u->core = sink->core;
u->sink_input = NULL;
u->memblockq = NULL;
pa_sink_input_new_data_init(&data);
pa_sink_input_new_data_set_sink(&data, sink, FALSE);
data.driver = __FILE__;
pa_sink_input_new_data_set_sample_spec(&data, ss);
pa_sink_input_new_data_set_channel_map(&data, map);
pa_sink_input_new_data_set_volume(&data, volume);
pa_proplist_update(data.proplist, PA_UPDATE_REPLACE, p);
data.flags |= flags;
pa_sink_input_new(&u->sink_input, sink->core, &data);
pa_sink_input_new_data_done(&data);
if (!u->sink_input)
goto fail;
u->sink_input->pop = sink_input_pop_cb;
u->sink_input->process_rewind = sink_input_process_rewind_cb;
u->sink_input->update_max_rewind = sink_input_update_max_rewind_cb;
u->sink_input->kill = sink_input_kill_cb;
u->sink_input->state_change = sink_input_state_change_cb;
u->sink_input->userdata = u;
if (q)
pa_memblockq_sink_input_set_queue(u->sink_input, q);
/* The reference to u is dangling here, because we want
* to keep this stream around until it is fully played. */
/* This sink input is not "put" yet, i.e. pa_sink_input_put() has
* not been called! */
return pa_sink_input_ref(u->sink_input);
fail:
if (u)
memblockq_stream_unref(u);
return NULL;
}
int pa_play_file(
pa_sink *sink,
const char *fname,
const pa_cvolume *volume) {
file_stream *u = NULL;
pa_sample_spec ss;
pa_channel_map cm;
pa_sink_input_new_data data;
int fd;
SF_INFO sfi;
pa_memchunk silence;
pa_assert(sink);
pa_assert(fname);
u = pa_msgobject_new(file_stream);
u->parent.parent.free = file_stream_free;
u->parent.process_msg = file_stream_process_msg;
u->core = sink->core;
u->sink_input = NULL;
u->sndfile = NULL;
u->readf_function = NULL;
u->memblockq = NULL;
if ((fd = pa_open_cloexec(fname, O_RDONLY, 0)) < 0) {
pa_log("Failed to open file %s: %s", fname, pa_cstrerror(errno));
goto fail;
}
/* FIXME: For now we just use posix_fadvise to avoid page faults
* when accessing the file data. Eventually we should move the
* file reader into the main event loop and pass the data over the
* asyncmsgq. */
#ifdef HAVE_POSIX_FADVISE
if (posix_fadvise(fd, 0, 0, POSIX_FADV_SEQUENTIAL) < 0) {
pa_log_warn("POSIX_FADV_SEQUENTIAL failed: %s", pa_cstrerror(errno));
goto fail;
} else
pa_log_debug("POSIX_FADV_SEQUENTIAL succeeded.");
if (posix_fadvise(fd, 0, 0, POSIX_FADV_WILLNEED) < 0) {
pa_log_warn("POSIX_FADV_WILLNEED failed: %s", pa_cstrerror(errno));
goto fail;
} else
pa_log_debug("POSIX_FADV_WILLNEED succeeded.");
#endif
pa_zero(sfi);
if (!(u->sndfile = sf_open_fd(fd, SFM_READ, &sfi, 1))) {
pa_log("Failed to open file %s", fname);
goto fail;
}
fd = -1;
if (pa_sndfile_read_sample_spec(u->sndfile, &ss) < 0) {
pa_log("Failed to determine file sample format.");
goto fail;
}
if (pa_sndfile_read_channel_map(u->sndfile, &cm) < 0) {
if (ss.channels > 2)
pa_log_info("Failed to determine file channel map, synthesizing one.");
pa_channel_map_init_extend(&cm, ss.channels, PA_CHANNEL_MAP_DEFAULT);
}
u->readf_function = pa_sndfile_readf_function(&ss);
pa_sink_input_new_data_init(&data);
pa_sink_input_new_data_set_sink(&data, sink, FALSE);
data.driver = __FILE__;
pa_sink_input_new_data_set_sample_spec(&data, &ss);
pa_sink_input_new_data_set_channel_map(&data, &cm);
pa_sink_input_new_data_set_volume(&data, volume);
pa_proplist_sets(data.proplist, PA_PROP_MEDIA_NAME, pa_path_get_filename(fname));
pa_proplist_sets(data.proplist, PA_PROP_MEDIA_FILENAME, fname);
pa_sndfile_init_proplist(u->sndfile, data.proplist);
pa_sink_input_new(&u->sink_input, sink->core, &data);
pa_sink_input_new_data_done(&data);
if (!u->sink_input)
goto fail;
u->sink_input->pop = sink_input_pop_cb;
u->sink_input->process_rewind = sink_input_process_rewind_cb;
u->sink_input->update_max_rewind = sink_input_update_max_rewind_cb;
u->sink_input->kill = sink_input_kill_cb;
u->sink_input->state_change = sink_input_state_change_cb;
u->sink_input->userdata = u;
pa_sink_input_get_silence(u->sink_input, &silence);
u->memblockq = pa_memblockq_new("sound-file-stream memblockq", 0, MEMBLOCKQ_MAXLENGTH, 0, &ss, 1, 1, 0, &silence);
pa_memblock_unref(silence.memblock);
pa_sink_input_put(u->sink_input);
/* The reference to u is dangling here, because we want to keep
* this stream around until it is fully played. */
return 0;
fail:
file_stream_unref(u);
if (fd >= 0)
pa_close(fd);
return -1;
}
