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Get the plugins synced up with the threading changes.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14881 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2007-09-28 11:12:45 +00:00
parent a13a1d5492
commit d7cb90722f
5 changed files with 109 additions and 62 deletions

View file

@ -1114,7 +1114,6 @@ void thread(void)
} while (!gTread.exiting);
gTread.ended = true; /* acknowledge the exit */
rb->remove_thread(NULL); /* commit suicide */
}
/* callback to end the TSR plugin, called before a new one gets loaded */

View file

@ -332,7 +332,7 @@ void thread(void)
"bench exit");
#endif
thread_stopped = true;
rb->remove_thread(NULL); /* Suicide. Never returns. */
return;
}
rb->queue_wait_w_tmo(&thread_q, &ev, sleep_time);

View file

@ -27,40 +27,71 @@
extern struct plugin_api* rb;
long mem_ptr;
long bufsize;
unsigned char* mallocbuf;
/* Main allocator */
static off_t mem_ptr;
static size_t bufsize;
static unsigned char* mallocbuf;
void mpeg2_alloc_init(unsigned char* buf, int mallocsize)
/* libmpeg2 allocator */
static off_t mpeg2_mem_ptr;
static size_t mpeg2_bufsize;
static unsigned char *mpeg2_mallocbuf;
static void * mpeg_malloc_internal (unsigned char *mallocbuf,
off_t *mem_ptr,
size_t bufsize,
unsigned size,
int reason)
{
mem_ptr = 0;
bufsize = mallocsize;
mallocbuf = buf;
rb->memset(buf,0,bufsize);
void *x;
return;
}
void * mpeg2_malloc (unsigned size, mpeg2_alloc_t reason)
{
void* x;
(void)reason;
DEBUGF("mpeg2_malloc(%d,%d)\n",size,reason);
if (mem_ptr + (long)size > bufsize) {
if (*mem_ptr + size > bufsize)
{
DEBUGF("OUT OF MEMORY\n");
return NULL;
}
x=&mallocbuf[mem_ptr];
mem_ptr+=(size+3)&~3; /* Keep memory 32-bit aligned */
x = &mallocbuf[*mem_ptr];
*mem_ptr += (size + 3) & ~3; /* Keep memory 32-bit aligned */
return(x);
return x;
(void)reason;
}
void mpeg2_free(void* ptr) {
(void)ptr;
void *mpeg_malloc(size_t size, mpeg2_alloc_t reason)
{
return mpeg_malloc_internal(mallocbuf, &mem_ptr, bufsize, size,
reason);
}
size_t mpeg_alloc_init(unsigned char *buf, size_t mallocsize,
size_t libmpeg2size)
{
mem_ptr = 0;
bufsize = mallocsize;
/* Line-align buffer */
mallocbuf = (char *)(((intptr_t)buf + 15) & ~15);
/* Adjust for real size */
bufsize -= mallocbuf - buf;
rb->memset(buf,0,bufsize);
/* Separate allocator for video */
libmpeg2size = (libmpeg2size + 15) & ~15;
if (mpeg_malloc_internal(mallocbuf, &mem_ptr,
bufsize, libmpeg2size, 0) == NULL)
{
return 0;
}
mpeg2_mallocbuf = mallocbuf;
mpeg2_mem_ptr = 0;
mpeg2_bufsize = libmpeg2size;
#if NUM_CORES > 1
flush_icache();
#endif
return bufsize - mpeg2_bufsize;
}
/* gcc may want to use memcpy before rb is initialised, so here's a trivial
@ -77,18 +108,30 @@ void *memcpy(void *dest, const void *src, size_t n) {
return dest;
}
/* The following are expected by libmad */
void* codec_malloc(size_t size)
void * mpeg2_malloc(unsigned size, mpeg2_alloc_t reason)
{
return mpeg2_malloc(size,-3);
return mpeg_malloc_internal(mpeg2_mallocbuf, &mpeg2_mem_ptr,
mpeg2_bufsize, size, reason);
}
void* codec_calloc(size_t nmemb, size_t size)
void mpeg2_free(void *ptr)
{
(void)ptr;
}
/* The following are expected by libmad */
void * codec_malloc(size_t size)
{
return mpeg_malloc_internal(mallocbuf, &mem_ptr,
bufsize, size, -3);
}
void * codec_calloc(size_t nmemb, size_t size)
{
void* ptr;
ptr = mpeg2_malloc(nmemb*size,-3);
ptr = mpeg_malloc_internal(mallocbuf, &mem_ptr,
bufsize, nmemb*size, -3);
if (ptr)
rb->memset(ptr,0,size);
@ -96,7 +139,8 @@ void* codec_calloc(size_t nmemb, size_t size)
return ptr;
}
void codec_free(void* ptr) {
void codec_free(void* ptr)
{
(void)ptr;
}

View file

@ -173,10 +173,16 @@ PLUGIN_IRAM_DECLARE
struct plugin_api* rb;
static mpeg2dec_t * mpeg2dec;
static int total_offset = 0;
static int num_drawn = 0;
static int count_start = 0;
CACHE_FUNCTION_WRAPPERS(rb);
extern void *mpeg_malloc(size_t size, mpeg2_alloc_t reason);
extern size_t mpeg_alloc_init(unsigned char *buf, size_t mallocsize,
size_t libmpeg2size);
static mpeg2dec_t * mpeg2dec NOCACHEBSS_ATTR;
static int total_offset NOCACHEBSS_ATTR = 0;
static int num_drawn NOCACHEBSS_ATTR = 0;
static int count_start NOCACHEBSS_ATTR = 0;
/* Streams */
typedef struct
@ -348,9 +354,6 @@ static inline void unlock_stream(void)
{ }
#endif
/* Events */
static struct event_queue msg_queue IBSS_ATTR;
#define MSG_BUFFER_NEARLY_EMPTY 1
#define MSG_EXIT_REQUESTED 2
@ -383,7 +386,7 @@ unsigned char mad_main_data[MAD_BUFFER_MDLEN]; /* 2567 bytes */
#ifdef CPU_COLDFIRE
static mad_fixed_t mad_frame_overlap[2][32][18] IBSS_ATTR; /* 4608 bytes */
#else
static mad_fixed_t mad_frame_overlap[2][32][18]; /* 4608 bytes */
static mad_fixed_t mad_frame_overlap[2][32][18] __attribute__((aligned(16))); /* 4608 bytes */
#endif
static void init_mad(void* mad_frame_overlap)
@ -717,11 +720,11 @@ static void get_next_data( Stream* str )
#define TIME_TO_TICKS(stamp) ((uint64_t)CLOCK_RATE*(stamp) / 27000000)
/** MPEG audio stream buffer */
uint8_t* mpa_buffer;
uint8_t* mpa_buffer NOCACHEBSS_ATTR;
static bool init_mpabuf(void)
{
mpa_buffer = mpeg2_malloc(MPABUF_SIZE,-2);
mpa_buffer = mpeg_malloc(MPABUF_SIZE,-2);
return mpa_buffer != NULL;
}
@ -732,13 +735,13 @@ struct pts_queue_slot
{
uint32_t pts; /* Time stamp for packet */
ssize_t size; /* Number of bytes left in packet */
} pts_queue[PTS_QUEUE_LEN];
} pts_queue[PTS_QUEUE_LEN] __attribute__((aligned(16)));
/* This starts out wr == rd but will never be emptied to zero during
streaming again in order to support initializing the first packet's
pts value without a special case */
static unsigned pts_queue_rd;
static unsigned pts_queue_wr;
static unsigned pts_queue_rd NOCACHEBSS_ATTR;
static unsigned pts_queue_wr NOCACHEBSS_ATTR;
/* Increments the queue head postion - should be used to preincrement */
static bool pts_queue_add_head(void)
@ -811,7 +814,7 @@ static ssize_t pcmbuf_used(void)
static bool init_pcmbuf(void)
{
pcm_buffer = mpeg2_malloc(PCMBUFFER_SIZE + PCMBUFFER_GUARD_SIZE, -2);
pcm_buffer = mpeg_malloc(PCMBUFFER_SIZE + PCMBUFFER_GUARD_SIZE, -2);
if (pcm_buffer == NULL)
return false;
@ -1365,7 +1368,6 @@ audio_thread_quit:
pcm_playback_stop();
audio_str.status = STREAM_TERMINATED;
rb->remove_thread(NULL);
}
/* End of libmad stuff */
@ -1405,7 +1407,7 @@ static void video_thread(void)
rb->splash(0, "mpeg2_init failed");
/* Commit suicide */
video_str.status = STREAM_TERMINATED;
rb->remove_thread(NULL);
return;
}
/* Clear the display - this is mainly just to indicate that the
@ -1444,7 +1446,9 @@ static void video_thread(void)
video_str.status = STREAM_STOPPED;
goto video_thread_quit;
case STREAM_PAUSE:
#if NUM_CORES > 1
flush_icache();
#endif
video_str.status = STREAM_PAUSED;
str_reply_msg(&video_str, 1);
continue;
@ -1742,7 +1746,9 @@ static void video_thread(void)
}
done:
#if NUM_CORES > 1
flush_icache();
#endif
video_str.status = STREAM_DONE;
@ -1757,11 +1763,8 @@ done:
}
video_thread_quit:
flush_icache();
/* Commit suicide */
video_str.status = STREAM_TERMINATED;
rb->remove_thread(NULL);
}
enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
@ -1811,15 +1814,17 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
audio_str.id = 0xc0;
/* Initialise our malloc buffer */
mpeg2_alloc_init(audiobuf,audiosize);
audiosize = mpeg_alloc_init(audiobuf, audiosize, LIBMPEG2BUFFER_SIZE);
if (audiosize == 0)
return PLUGIN_ERROR;
/* Grab most of the buffer for the compressed video - leave some for
PCM audio data and some for libmpeg2 malloc use. */
buffer_size = audiosize - (PCMBUFFER_SIZE+PCMBUFFER_GUARD_SIZE+
MPABUF_SIZE+LIBMPEG2BUFFER_SIZE);
MPABUF_SIZE);
DEBUGF("audiosize=%ld, buffer_size=%ld\n",audiosize,buffer_size);
buffer = mpeg2_malloc(buffer_size,-1);
buffer = mpeg_malloc(buffer_size,-1);
if (buffer == NULL)
return PLUGIN_ERROR;
@ -1877,10 +1882,6 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
init_settings();
/* Msg queue init - no need for queue_remove since it's not a registered
queue */
rb->queue_init( &msg_queue, false );
/* Initialise libmad */
rb->memset(mad_frame_overlap, 0, sizeof(mad_frame_overlap));
init_mad(mad_frame_overlap);
@ -1913,7 +1914,9 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
init_stream_lock();
#if NUM_CORES > 1
flush_icache();
#endif
/* We put the video thread on the second processor for multi-core targets. */
if ((video_str.thread = rb->create_thread(video_thread,
@ -1983,6 +1986,10 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
rb->sleep(HZ/10);
#if NUM_CORES > 1
invalidate_icache();
#endif
#ifndef HAVE_LCD_COLOR
gray_release();
#endif

View file

@ -493,9 +493,6 @@ static void codec_thread(void)
/* Signal to the main thread that we are done */
codec_playing = false;
/* Commit suicide */
rb->remove_thread(NULL);
}
static unsigned char* codec_stack;