Author: ayoung
Date: Sat Oct 2 07:56:51 2010
New Revision: 9146
URL: http://svn.slimdevices.com/jive?rev=9146&view=rev
Log:
Don't use SDL_Timer as it has a 1ms tick. Use our own callback thread for
nullaudio.
Modified:
7.6/trunk/squeezeplay/src/squeezeplay/src/audio/decode/decode_null.c
7.6/trunk/squeezeplay/src/squeezeplay/src/ui/jive_framework.c
Modified: 7.6/trunk/squeezeplay/src/squeezeplay/src/audio/decode/decode_null.c
URL:
http://svn.slimdevices.com/jive/7.6/trunk/squeezeplay/src/squeezeplay/src/audio/decode/decode_null.c?rev=9146&r1=9145&r2=9146&view=diff
==============================================================================
--- 7.6/trunk/squeezeplay/src/squeezeplay/src/audio/decode/decode_null.c
(original)
+++ 7.6/trunk/squeezeplay/src/squeezeplay/src/audio/decode/decode_null.c Sat
Oct 2 07:56:51 2010
@@ -11,8 +11,9 @@
#include "audio/decode/decode.h"
#include "audio/decode/decode_priv.h"
-
#ifdef HAVE_NULLAUDIO
+
+#include <time.h>
/* Stream sample rate */
static u32_t stream_sample_rate;
@@ -183,6 +184,43 @@
stream_sample_rate = decode_audio->set_sample_rate = 44100;
}
+static SDL_Thread *callback_thread = NULL;
+
+static int callback_thread_execute(void *unused) {
+ struct timespec req, now, then;
+ long diffms;
+ clock_gettime(CLOCK_REALTIME, &then);
+
+ while (1) {
+ then.tv_nsec += 100000000;
+ if (then.tv_nsec > 999999999) {
+ then.tv_nsec -= 1000000000;
+ then.tv_sec += 1;
+ }
+ clock_gettime(CLOCK_REALTIME, &now);
+
+ diffms = (then.tv_sec - now.tv_sec) * 1000
+ + (then.tv_nsec - now.tv_nsec) / 1000000;
+
+ req.tv_sec = 0;
+ req.tv_nsec = diffms * 1000000;
+ if (req.tv_nsec > 120000000) {
+ req.tv_nsec = 100000000;
+ } else if (req.tv_nsec < 0) {
+ req.tv_nsec = 10000000;
+ then = now;
+ }
+
+ if (nanosleep(&req, 0) < 0) {
+ continue;
+ }
+
+ callback(100);
+
+ }
+
+ return 0;
+}
static int decode_null_init(lua_State *L) {
void *buf;
@@ -201,9 +239,13 @@
/* XXX set up timer to call callback reqularly */
/* only need callback to run while actually playing */
- if (SDL_SetTimer(100, callback) != 0) {
- LOG_WARN(log_audio_output, "Cannot start callback timer");
- return 0;
+
+ if (!callback_thread) {
+ callback_thread = SDL_CreateThread(callback_thread_execute,
NULL);
+ if (!callback_thread) {
+ LOG_WARN(log_audio_output, "Cannot start callback
timer");
+ return 0;
+ }
}
return 1;
Modified: 7.6/trunk/squeezeplay/src/squeezeplay/src/ui/jive_framework.c
URL:
http://svn.slimdevices.com/jive/7.6/trunk/squeezeplay/src/squeezeplay/src/ui/jive_framework.c?rev=9146&r1=9145&r2=9146&view=diff
==============================================================================
--- 7.6/trunk/squeezeplay/src/squeezeplay/src/ui/jive_framework.c (original)
+++ 7.6/trunk/squeezeplay/src/squeezeplay/src/ui/jive_framework.c Sat Oct 2
07:56:51 2010
@@ -165,9 +165,9 @@
SDL_putenv("SDL_NOMOUSE=1");
#ifdef JIVE_NO_DISPLAY
-# define JIVE_SDL_FEATURES (SDL_INIT_TIMER)
+# define JIVE_SDL_FEATURES (0)
#else
-# define JIVE_SDL_FEATURES (SDL_INIT_VIDEO|SDL_INIT_TIMER)
+# define JIVE_SDL_FEATURES (SDL_INIT_VIDEO)
#endif
/* initialise SDL */
if (SDL_Init(JIVE_SDL_FEATURES) < 0) {
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