sample cache work

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@102 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-08-03 19:26:56 +00:00
parent e10b918009
commit 24291aff27
27 changed files with 835 additions and 251 deletions

View file

@ -30,19 +30,37 @@
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <sndfile.h>
#include <polyp/polyplib.h>
#include <polyp/polyplib-error.h>
#include <polyp/mainloop.h>
#include <polyp/mainloop-signal.h>
#include <polyp/sample.h>
#define BUFSIZE 1024
static struct pa_context *context = NULL;
static struct pa_mainloop_api *mainloop_api = NULL;
static char **process_argv = NULL;
static SNDFILE *sndfile = NULL;
static struct pa_stream *sample_stream = NULL;
static struct pa_sample_spec sample_spec;
static size_t sample_length = 0;
static char *sample_name = NULL;
static enum {
NONE,
EXIT,
STAT
STAT,
UPLOAD_SAMPLE,
PLAY_SAMPLE,
REMOVE_SAMPLE
} action = NONE;
static void quit(int ret) {
@ -78,6 +96,79 @@ static void stat_callback(struct pa_context *c, uint32_t blocks, uint32_t total,
drain();
}
static void play_sample_callback(struct pa_context *c, int success, void *userdata) {
if (!success) {
fprintf(stderr, "Failed to play sample: %s\n", pa_strerror(pa_context_errno(c)));
quit(1);
return;
}
drain();
}
static void remove_sample_callback(struct pa_context *c, int success, void *userdata) {
if (!success) {
fprintf(stderr, "Failed to remove sample: %s\n", pa_strerror(pa_context_errno(c)));
quit(1);
return;
}
drain();
}
static void stream_die_callback(struct pa_stream *s, void *userdata) {
assert(s);
fprintf(stderr, "Stream deleted, exiting.\n");
quit(1);
}
static void finish_sample_callback(struct pa_stream *s, int success, void *userdata) {
assert(s);
if (!success) {
fprintf(stderr, "Failed to upload sample: %s\n", pa_strerror(pa_context_errno(context)));
quit(1);
return;
}
drain();
}
static void stream_write_callback(struct pa_stream *s, size_t length, void *userdata) {
sf_count_t l;
float *d;
assert(s && length && sndfile);
d = malloc(length);
assert(d);
assert(sample_length >= length);
l = length/pa_frame_size(&sample_spec);
if ((sf_readf_float(sndfile, d, l)) != l) {
free(d);
fprintf(stderr, "Premature end of file\n");
quit(1);
}
pa_stream_write(s, d, length);
free(d);
sample_length -= length;
if (sample_length <= 0) {
pa_stream_set_write_callback(sample_stream, NULL, NULL);
pa_stream_finish_sample(sample_stream, finish_sample_callback, NULL);
}
}
static void upload_callback(struct pa_stream *s, int success, void *userdata) {
if (!success) {
fprintf(stderr, "Failed to upload sample: %s\n", pa_strerror(pa_context_errno(context)));
quit(1);
}
}
static void context_complete_callback(struct pa_context *c, int success, void *userdata) {
assert(c);
@ -90,7 +181,19 @@ static void context_complete_callback(struct pa_context *c, int success, void *u
if (action == STAT)
pa_context_stat(c, stat_callback, NULL);
else {
else if (action == PLAY_SAMPLE)
pa_context_play_sample(c, process_argv[2], NULL, 0x100, play_sample_callback, NULL);
else if (action == REMOVE_SAMPLE)
pa_context_remove_sample(c, process_argv[2], remove_sample_callback, NULL);
else if (action == UPLOAD_SAMPLE) {
if (!(sample_stream = pa_context_upload_sample(c, sample_name, &sample_spec, sample_length, upload_callback, NULL))) {
fprintf(stderr, "Failed to upload sample: %s\n", pa_strerror(pa_context_errno(c)));
goto fail;
}
pa_stream_set_die_callback(sample_stream, stream_die_callback, NULL);
pa_stream_set_write_callback(sample_stream, stream_write_callback, NULL);
} else {
assert(action == EXIT);
pa_context_exit(c);
drain();
@ -105,11 +208,12 @@ fail:
static void exit_signal_callback(void *id, int sig, void *userdata) {
fprintf(stderr, "Got SIGINT, exiting.\n");
quit(0);
}
int main(int argc, char *argv[]) {
struct pa_mainloop* m = NULL;
char tmp[PATH_MAX];
int ret = 1, r;
if (argc >= 2) {
@ -117,13 +221,60 @@ int main(int argc, char *argv[]) {
action = STAT;
else if (!strcmp(argv[1], "exit"))
action = EXIT;
else if (!strcmp(argv[1], "scache_upload")) {
struct SF_INFO sfinfo;
action = UPLOAD_SAMPLE;
if (argc < 3) {
fprintf(stderr, "Please specify a sample file to load\n");
goto quit;
}
if (argc >= 4)
sample_name = argv[3];
else {
char *f = strrchr(argv[2], '/');
if (f)
f++;
else
f = argv[2];
strncpy(sample_name = tmp, f, strcspn(f, "."));
}
memset(&sfinfo, 0, sizeof(sfinfo));
if (!(sndfile = sf_open(argv[2], SFM_READ, &sfinfo))) {
fprintf(stderr, "Failed to open sound file.\n");
goto quit;
}
sample_spec.format = PA_SAMPLE_FLOAT32;
sample_spec.rate = sfinfo.samplerate;
sample_spec.channels = sfinfo.channels;
sample_length = sfinfo.frames*pa_frame_size(&sample_spec);
} else if (!strcmp(argv[1], "scache_play")) {
action = PLAY_SAMPLE;
if (argc < 3) {
fprintf(stderr, "You have to specify a sample name to play\n");
goto quit;
}
} else if (!strcmp(argv[1], "scache_remove")) {
action = REMOVE_SAMPLE;
if (argc < 3) {
fprintf(stderr, "You have to specify a sample name to remove\n");
goto quit;
}
}
}
if (action == NONE) {
fprintf(stderr, "No valid action specified. Use one of: stat, exit\n");
fprintf(stderr, "No valid action specified. Use one of: stat, exit, scache_upload, scache_play, scache_remove\n");
goto quit;
}
process_argv = argv;
if (!(m = pa_mainloop_new())) {
fprintf(stderr, "pa_mainloop_new() failed.\n");
goto quit;
@ -162,5 +313,8 @@ quit:
pa_mainloop_free(m);
}
if (sndfile)
sf_close(sndfile);
return ret;
}