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authorManuel Bachmann <manuel.bachmann@iot.bzh>2016-05-27 11:04:56 +0200
committerManuel Bachmann <manuel.bachmann@iot.bzh>2016-05-27 11:04:56 +0200
commited6b81ea46629ae69176e77aec14844257dc36af (patch)
treedea64662171be0358a1fbb31ef20ac69b4b6a370 /plugins/audio
parent53d6a6e09c79383c086f8f4d6f41c6490c387e07 (diff)
Improve Audio plugin PulseAudio backend
Remove obvious errors from the PulseAudio backend. It does not work yet (permissions issues ?), and some parts of the code are still hardly self-explaining. Signed-off-by: Manuel Bachmann <manuel.bachmann@iot.bzh>
Diffstat (limited to 'plugins/audio')
-rw-r--r--plugins/audio/audio-pulse.c64
1 files changed, 38 insertions, 26 deletions
diff --git a/plugins/audio/audio-pulse.c b/plugins/audio/audio-pulse.c
index 7f511be1..50ddf40c 100644
--- a/plugins/audio/audio-pulse.c
+++ b/plugins/audio/audio-pulse.c
@@ -65,10 +65,10 @@ unsigned char _pulse_init (const char *name, audioCtxHandleT *ctx) {
fprintf (stderr, "Stopping PulseAudio backend...\n");
return 0;
}
- if (ret >= 0) {
+ if (ret > 0) {
/* found a matching sink from callback */
- fprintf (stderr, "Success : using sink n.%d\n", error);
- ctx->audio_dev = (void*)dev_ctx_p[ret];
+ fprintf (stderr, "Success : using sink n.%d\n", ret-1);
+ ctx->audio_dev = (void*)dev_ctx_p[ret-1];
break;
}
gettimeofday (&tv_now, NULL);
@@ -78,11 +78,11 @@ unsigned char _pulse_init (const char *name, audioCtxHandleT *ctx) {
return 0;
/* make the client context aware of current card state */
- ctx->mute = (unsigned char)dev_ctx_p[ret]->mute;
- ctx->channels = (unsigned int)dev_ctx_p[ret]->volume.channels;
+ ctx->mute = (unsigned char)dev_ctx_p[ret-1]->mute;
+ ctx->channels = (unsigned int)dev_ctx_p[ret-1]->volume.channels;
for (i = 0; i < ctx->channels; i++)
- ctx->volume[i] = dev_ctx_p[ret]->volume.values[i];
- ctx->idx = ret;
+ ctx->volume[i] = dev_ctx_p[ret-1]->volume.values[i];
+ ctx->idx = ret-1;
/* open matching sink for playback */
pa_spec = (pa_sample_spec*) malloc (sizeof(pa_sample_spec));
@@ -90,13 +90,13 @@ unsigned char _pulse_init (const char *name, audioCtxHandleT *ctx) {
pa_spec->rate = 22050;
pa_spec->channels = (uint8_t)ctx->channels;
- if (!(pa = pa_simple_new (NULL, "afb-audio-plugin", PA_STREAM_PLAYBACK, dev_ctx_p[ret]->sink_name,
+ if (!(pa = pa_simple_new (NULL, "afb-audio-plugin", PA_STREAM_PLAYBACK, dev_ctx_p[ret-1]->sink_name,
"afb-audio-output", pa_spec, NULL, NULL, &error))) {
fprintf (stderr, "Error opening PulseAudio sink %s : %s\n",
- dev_ctx_p[ret]->sink_name, pa_strerror(error));
+ dev_ctx_p[ret-1]->sink_name, pa_strerror(error));
return 0;
}
- dev_ctx_p[ret]->pa = pa;
+ dev_ctx_p[ret-1]->pa = pa;
free (pa_spec);
client_count++;
@@ -113,7 +113,7 @@ void _pulse_free (audioCtxHandleT *ctx) {
client_count--;
if (client_count > 0) return;
- for (num = 0; num < (sizeof(dev_ctx_p)/sizeof(dev_ctx_pulse_T)); num++) {
+ for (num = 0; num < (sizeof(dev_ctx_p)/sizeof(dev_ctx_pulse_T*)); num++) {
for (i = 0; num < (sizeof(dev_ctx_p[num]->card_name)/sizeof(char*)); i++) {
free (dev_ctx_p[num]->card_name[i]);
@@ -245,7 +245,7 @@ void _pulse_enumerate_cards () {
int new_info, i, num = 0;
/* allocate the global alsa array */
- alsa_info = (alsa_info_T**) malloc (sizeof(alsa_info_T));
+ alsa_info = (alsa_info_T**) malloc (sizeof(alsa_info_T*));
alsa_info[0] = (alsa_info_T*) malloc (sizeof(alsa_info_T));
alsa_info[0]->device = NULL;
alsa_info[0]->synonyms = NULL;
@@ -276,7 +276,7 @@ void _pulse_enumerate_cards () {
if (found) card_name[found-card_name] = '\0';
/* was the card name already listed in the global alsa array ? */
- for (i = 0; i < (sizeof(alsa_info)/sizeof(alsa_info_T)); i++) {
+ for (i = 0; i < (sizeof(alsa_info)/sizeof(alsa_info_T*)); i++) {
if (alsa_info[i]->device &&
!strcmp (alsa_info[i]->device, card_name)) {
@@ -288,7 +288,7 @@ void _pulse_enumerate_cards () {
}
/* it was not ; create it */
if (new_info) {
- alsa_info = (alsa_info_T**) realloc (alsa_info, (num+1)*sizeof(alsa_info_T));
+ alsa_info = (alsa_info_T**) realloc (alsa_info, (num+1)*sizeof(alsa_info_T*));
alsa_info[num]->device = strdup (card_name);
asprintf (&alsa_info[num]->synonyms, ":%s", alsa_name);
num++;
@@ -309,12 +309,12 @@ char** _pulse_find_cards (const char *name) {
asprintf (&needle, ":%s", name);
- for (num = 0; num < (sizeof(alsa_info)/sizeof(alsa_info_T)); num++) {
+ for (num = 0; num < (sizeof(alsa_info)/sizeof(alsa_info_T*)); num++) {
found = strstr (alsa_info[num]->synonyms, needle);
while (found) {
/* if next character is not ':' or '\0', we are wrong */
- if ((found[strlen(name)] != ':') && (found[strlen(name)] != '\0')) {
+ if ((found[strlen(name)+1] != ':') && (found[strlen(name)+1] != '\0')) {
found = strstr (found+1, needle);
continue;
}
@@ -322,11 +322,12 @@ char** _pulse_find_cards (const char *name) {
found = strstr (alsa_info[num]->synonyms, ":");
while (found) {
next = strstr (found+1, ":");
+ if (!next) break;
cards = (char**) realloc (cards, (i+1)*sizeof(char*));
cards[i] = (char*) malloc (next-found+1);
strncpy (cards[i], found+1, next-found);
- cards[i][next-found] = '\0';
- i++;
+ cards[i][next-found-1] = '\0';
+ found = next; i++;
}
}
}
@@ -356,20 +357,20 @@ void _pulse_sink_list_cb (pa_context *context, const pa_sink_info *info,
dev_ctx_pulse_T *dev_ctx_p_t = (dev_ctx_pulse_T *)data;
const char *device_string;
+ char *device, *found;
char **cards;
int num, i;
if (eol != 0)
return;
+ device_string = pa_proplist_gets (info->proplist, "device.string");
/* ignore sinks with no cards */
- if (!pa_proplist_contains (info->proplist, "device.string"))
+ if (!device_string)
return;
- device_string = pa_proplist_gets (info->proplist, "device.string");
-
/* was a sink with similar name already found ? */
- for (num = 0; num < (sizeof(dev_ctx_p)/sizeof(dev_ctx_pulse_T)); num++) {
+ for (num = 0; num < (sizeof(dev_ctx_p)/sizeof(dev_ctx_pulse_T*)); num++) {
if (dev_ctx_p[num]->sink_name &&
!strcmp (dev_ctx_p[num]->sink_name, info->name)) {
@@ -379,7 +380,8 @@ void _pulse_sink_list_cb (pa_context *context, const pa_sink_info *info,
if (!strcmp (cards[i], dev_ctx_p_t->card_name[0])) {
/* it did : stop there and succeed */
fprintf (stderr, "Found matching sink : %s\n", info->name);
- pa_mainloop_quit (dev_ctx_p_t->pa_loop, num);
+ /* we return num+1 because '0' is already used */
+ pa_mainloop_quit (dev_ctx_p_t->pa_loop, num+1);
}
}
/* it did not, ignore and return */
@@ -388,11 +390,20 @@ void _pulse_sink_list_cb (pa_context *context, const pa_sink_info *info,
}
num++;
+ /* remove ending ":0",":1"... in device name */
+ device = strdup (device_string);
+ found = strstr (device, ":");
+ if (found) device[found-device] = '\0';
+
+fprintf(stderr, "BEFORE PULSE_FIND_CARDS\n");
/* new sink, find all the cards it manages, fail if none */
- cards = _pulse_find_cards (device_string);
- if (!cards) return;
+ cards = _pulse_find_cards (device);
+ free (device);
+ if (!cards)
+ return;
/* everything is well, register it in global array */
+fprintf(stderr, "NEW SINK IN GLOBAL ARRAY\n");
dev_ctx_p_t->sink_name = strdup (info->name);
dev_ctx_p_t->card_name = cards;
dev_ctx_p_t->mute = info->mute;
@@ -406,7 +417,8 @@ void _pulse_sink_list_cb (pa_context *context, const pa_sink_info *info,
if (!strcmp (cards[i], dev_ctx_p_t->card_name[0])) {
/* it did : stop there and succeed */
fprintf (stderr, "Found matching sink : %s\n", info->name);
- pa_mainloop_quit (dev_ctx_p_t->pa_loop, num);
+ /* we return num+1 because '0' is already used */
+ pa_mainloop_quit (dev_ctx_p_t->pa_loop, num+1);
}
}
}