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Have the codec thread do callbacks instead of messing with the stack which is much simpler and safer. Remove threads array from plugin API since it now serves no purpose. Up minimum API version and sort.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19684 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2009-01-05 10:31:19 +00:00
parent 45aa9a22f9
commit 2054627caa
6 changed files with 56 additions and 125 deletions
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60
apps/plugins/test_codec.c
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@ -513,9 +513,6 @@ static void codec_thread(void)
codec_playing = false;
}
static uintptr_t* codec_stack;
static size_t codec_stack_size;
static enum plugin_status test_track(const char* filename)
{
size_t n;
@ -525,7 +522,6 @@ static enum plugin_status test_track(const char* filename)
long ticks;
unsigned long speed;
unsigned long duration;
unsigned int codecthread_id;
const char* ch;
/* Display filename (excluding any path)*/
@ -588,13 +584,7 @@ static enum plugin_status test_track(const char* filename)
codec_playing = true;
if ((codecthread_id = rb->create_thread(codec_thread,
codec_stack, codec_stack_size, 0, "testcodec"
IF_PRIO(,PRIORITY_PLAYBACK) IF_COP(, CPU))) == 0)
{
log_text("Cannot create codec thread!",true);
goto exit;
}
rb->codec_thread_do_callback(codec_thread, NULL);
/* Wait for codec thread to die */
while (codec_playing)
@ -606,7 +596,7 @@ static enum plugin_status test_track(const char* filename)
ticks = endtick - starttick;
/* Be sure it is done */
rb->thread_wait(codecthread_id);
rb->codec_thread_do_callback(NULL, NULL);
log_text(str,true);
@ -656,11 +646,9 @@ exit:
/* plugin entry point */
enum plugin_status plugin_start(const struct plugin_api* api, const void* parameter)
{
uintptr_t* codec_stack_copy;
int result, selection = 0;
enum plugin_status res = PLUGIN_OK;
int scandir;
int i;
struct dirent *entry;
DIR* dir;
char* ch;
@ -676,43 +664,8 @@ enum plugin_status plugin_start(const struct plugin_api* api, const void* parame
}
codec_mallocbuf = rb->plugin_get_audio_buffer(&audiosize);
#ifdef SIMULATOR
/* The simulator thread implementation doesn't have stack buffers */
(void)i;
codec_stack_size = 0;
#else
/* Borrow the codec thread's stack (in IRAM on most targets) */
codec_stack = NULL;
for (i = 0; i < MAXTHREADS; i++)
{
if (rb->strcmp(rb->threads[i].name,"codec")==0)
{
/* Wait to ensure the codec thread has blocked */
while (rb->threads[i].state!=STATE_BLOCKED)
rb->yield();
codec_stack = rb->threads[i].stack;
codec_stack_size = rb->threads[i].stack_size;
break;
}
}
if (codec_stack == NULL)
{
rb->splash(HZ*2, "No codec thread!");
return PLUGIN_ERROR;
}
#endif
codec_stack_copy = codec_mallocbuf + CODEC_SIZE;
audiobuf = SKIPBYTES(codec_stack_copy, codec_stack_size);
audiosize -= CODEC_SIZE + codec_stack_size;
#ifndef SIMULATOR
/* Backup the codec thread's stack */
rb->memcpy(codec_stack_copy,codec_stack,codec_stack_size);
#endif
audiobuf = SKIPBYTES(codec_mallocbuf, CODEC_SIZE);
audiosize -= CODEC_SIZE;
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(true);
@ -803,11 +756,6 @@ enum plugin_status plugin_start(const struct plugin_api* api, const void* parame
exit:
log_close();
#ifndef SIMULATOR
/* Restore the codec thread's stack */
rb->memcpy(codec_stack, codec_stack_copy, codec_stack_size);
#endif
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(false);
#endif