BRCMIMAGE_STATUS_T brcmimage_create(BRCMIMAGE_TYPE_T type, unsigned int encoding, BRCMIMAGE_T **ctx)
{
BRCMIMAGE_STATUS_T status = BRCMIMAGE_SUCCESS;
BRCMIMAGE_T **comp;
if (type == BRCMIMAGE_TYPE_ENCODER)
comp = &brcmimage_encoder[getEncoderIndexFromType(encoding)];
else
comp = &brcmimage_decoder[getEncoderIndexFromType(encoding)];
vcos_once(&once, brcmimage_init_once);
LOCK();
if (!*comp)
{
int init1, init2, init3;
*comp = (BRCMIMAGE_T*)calloc(sizeof(BRCMIMAGE_T), 1);
if (!*comp)
{
UNLOCK();
return BRCMIMAGE_ERROR_NOMEM;
}
(*comp)->type = type;
(*comp)->encoding = encoding;
init1 = vcos_mutex_create(&(*comp)->lock, "brcmimage lock") != VCOS_SUCCESS;
init2 = vcos_mutex_create(&(*comp)->process_lock, "brcmimage process lock") != VCOS_SUCCESS;
init3 = vcos_semaphore_create(&(*comp)->sema, "brcmimage sema", 0) != VCOS_SUCCESS;
if (init1 | init2 | init3)
{
if (init1) vcos_mutex_delete(&(*comp)->lock);
if (init2) vcos_mutex_delete(&(*comp)->process_lock);
if (init3) vcos_semaphore_delete(&(*comp)->sema);
free(comp);
UNLOCK();
return BRCMIMAGE_ERROR_NOMEM;
}
}
(*comp)->ref_count++;
UNLOCK();
LOCK_COMP(*comp);
if (!(*comp)->init)
{
if (type == BRCMIMAGE_TYPE_ENCODER)
status = brcmimage_init_encoder(*comp);
else
status = brcmimage_init_decoder(*comp);
(*comp)->init = status == BRCMIMAGE_SUCCESS;
}
UNLOCK_COMP(*comp);
if (status != BRCMIMAGE_SUCCESS)
brcmimage_release(*comp);
*ctx = *comp;
return status;
}
BRCMJPEG_STATUS_T brcmjpeg_create(BRCMJPEG_TYPE_T type, BRCMJPEG_T **ctx)
{
BRCMJPEG_STATUS_T status = BRCMJPEG_SUCCESS;
BRCMJPEG_T **comp;
if (type == BRCMJPEG_TYPE_ENCODER)
comp = &brcmjpeg_encoder;
else
comp = &brcmjpeg_decoder;
vcos_once(&once, brcmjpeg_init_once);
LOCK();
if (!*comp)
{
int init1, init2, init3;
*comp = (BRCMJPEG_T*)calloc(sizeof(BRCMJPEG_T), 1);
if (!*comp)
{
UNLOCK();
return BRCMJPEG_ERROR_NOMEM;
}
(*comp)->type = type;
init1 = vcos_mutex_create(&(*comp)->lock, "brcmjpeg lock") != VCOS_SUCCESS;
init2 = vcos_mutex_create(&(*comp)->process_lock, "brcmjpeg process lock") != VCOS_SUCCESS;
init3 = vcos_semaphore_create(&(*comp)->sema, "brcmjpeg sema", 0) != VCOS_SUCCESS;
if (init1 | init2 | init3)
{
if (init1) vcos_mutex_delete(&(*comp)->lock);
if (init2) vcos_mutex_delete(&(*comp)->process_lock);
if (init3) vcos_semaphore_delete(&(*comp)->sema);
free(comp);
UNLOCK();
return BRCMJPEG_ERROR_NOMEM;
}
}
(*comp)->ref_count++;
UNLOCK();
LOCK_COMP(*comp);
if (!(*comp)->init)
{
if (type == BRCMJPEG_TYPE_ENCODER)
status = brcmjpeg_init_encoder(*comp);
else
status = brcmjpeg_init_decoder(*comp);
(*comp)->init = status == BRCMJPEG_SUCCESS;
}
UNLOCK_COMP(*comp);
if (status != BRCMJPEG_SUCCESS)
brcmjpeg_release(*comp);
*ctx = *comp;
return status;
}
VCOS_STATUS_T vcos_init(void)
{
VCOS_STATUS_T st = VCOS_SUCCESS;
#ifdef HAVE_MTRACE
// enable glibc memory debugging, if the environment
// variable MALLOC_TRACE names a valid file.
mtrace();
#endif
vcos_mutex_create(&lock, "global_lock");
vcos_demand(pthread_key_create(&_vcos_thread_current_key, NULL) == 0);
/* Initialise a VCOS wrapper for the thread which called vcos_init. */
vcos_semaphore_create(&vcos_thread_main.suspend, NULL, 0);
vcos_thread_main.thread = pthread_self();
pthread_setspecific(_vcos_thread_current_key, &vcos_thread_main);
st = vcos_msgq_init();
vcos_assert(st == VCOS_SUCCESS);
vcos_logging_init();
return st;
}
/** Create a QUEUE of MMAL_BUFFER_HEADER_T */
MMAL_QUEUE_T *mmal_queue_create(void)
{
MMAL_QUEUE_T *queue;
queue = vcos_malloc(sizeof(*queue), "MMAL queue");
if(!queue) return 0;
if(vcos_mutex_create(&queue->lock, "MMAL queue lock") != VCOS_SUCCESS )
{
vcos_free(queue);
return 0;
}
if(vcos_semaphore_create(&queue->semaphore, "MMAL queue sema", 0) != VCOS_SUCCESS )
{
vcos_mutex_delete(&queue->lock);
vcos_free(queue);
return 0;
}
/* gratuitous lock for coverity */ vcos_mutex_lock(&queue->lock);
queue->length = 0;
queue->first = 0;
queue->last = &queue->first;
mmal_queue_sanity_check(queue, NULL);
/* gratuitous unlock for coverity */ vcos_mutex_unlock(&queue->lock);
return queue;
}
static void brcmimage_init_once(void)
{
vcos_mutex_create(&brcmimage_lock, VCOS_FUNCTION);
for (int i=0; i < MAX_ENCODER_TYPES; i++)
{
brcmimage_encoder[i] = NULL;
brcmimage_decoder[i] = NULL;
}
}
/** Create a new vidtex instance */
static VIDTEX_T *vidtex_create(EGLNativeWindowType win)
{
VIDTEX_T *vt;
VCOS_STATUS_T st;
vt = vcos_calloc(1, sizeof(*vt), "vidtex");
if (vt == NULL)
{
vcos_log_trace("Memory allocation failure");
return NULL;
}
st = vcos_semaphore_create(&vt->sem_decoded, "vidtex-dec", 0);
if (st != VCOS_SUCCESS)
{
vcos_log_trace("Error creating semaphore");
goto error_ctx;
}
st = vcos_semaphore_create(&vt->sem_drawn, "vidtex-drw", 0);
if (st != VCOS_SUCCESS)
{
vcos_log_trace("Error creating semaphore");
goto error_sem1;
}
st = vcos_mutex_create(&vt->mutex, "vidtex");
if (st != VCOS_SUCCESS)
{
vcos_log_trace("Error creating semaphore");
goto error_sem2;
}
if (vidtex_gl_init(vt, win) != 0)
{
vcos_log_trace("Error initialising EGL");
goto error_mutex;
}
vt->quit = false;
vt->stop_reason = 0;
return vt;
error_mutex:
vcos_mutex_delete(&vt->mutex);
error_sem2:
vcos_semaphore_delete(&vt->sem_drawn);
error_sem1:
vcos_semaphore_delete(&vt->sem_decoded);
error_ctx:
vcos_free(vt);
return NULL;
}
static VCOS_STATUS_T vcos_msgq_create(VCOS_MSGQUEUE_T *q)
{
VCOS_STATUS_T st;
memset(q, 0, sizeof(*q));
st = vcos_semaphore_create(&q->sem,"vcos:msgqueue",0);
if (st == VCOS_SUCCESS)
st = vcos_mutex_create(&q->lock,"vcos:msgqueue");
return st;
}
VCOS_STATUS_T vcos_generic_event_flags_create(VCOS_EVENT_FLAGS_T *flags, const char *name)
{
VCOS_STATUS_T rc;
if ((rc=vcos_mutex_create(&flags->lock, name)) != VCOS_SUCCESS)
{
return rc;
}
flags->events = 0;
flags->waiters.head = flags->waiters.tail = 0;
return rc;
}
void vcos_logging_init(void)
{
if (inited)
{
// FIXME: should print a warning or something here
return;
}
vcos_mutex_create(&lock, "vcos_log");
vcos_log_register("default", &dflt_log_category);
dflt_log_category.flags.want_prefix = 0;
vcos_assert(!inited);
inited = 1;
}
void vchiq_init_state(VCHIQ_STATE_T *state, VCHIQ_CHANNEL_T *local, VCHIQ_CHANNEL_T *remote)
{
VCOS_THREAD_ATTR_T attrs;
char threadname[8];
static int id = 0;
vcos_assert(is_pow2(VCHIQ_CHANNEL_SIZE));
vcos_assert(is_pow2(VCHIQ_NUM_CURRENT_BULKS));
vcos_assert(is_pow2(VCHIQ_NUM_SERVICE_BULKS));
vcos_assert(sizeof(VCHIQ_HEADER_T) == 8); /* we require this for consistency between endpoints */
memset(state, 0, sizeof(VCHIQ_STATE_T));
state->id = id++;
/*
initialize events and mutex
*/
vcos_event_create(&state->connect, "vchiq");
vcos_mutex_create(&state->mutex, "vchiq");
/*
initialize channel pointers
*/
state->local = local;
state->remote = remote;
vchiq_init_channel(local);
/*
bring up slot handler thread
*/
vcos_thread_attr_init(&attrs);
vcos_thread_attr_setstacksize(&attrs, VCHIQ_SLOT_HANDLER_STACK);
vcos_thread_attr_setpriority(&attrs, 5); /* FIXME: should not be hardcoded */
vcos_thread_attr_settimeslice(&attrs, 20); /* FIXME: should not be hardcoded */
strcpy(threadname, "VCHIQ-0");
threadname[6] += state->id % 10;
vcos_thread_create(&state->slot_handler_thread, threadname,
&attrs, slot_handler_func, state);
/* Indicate readiness to the other side */
local->initialised = 1;
}
VCOS_STATUS_T vcos_msgq_init(void)
{
VCOS_STATUS_T st = vcos_mutex_create(&lock,"msgq");
if (st != VCOS_SUCCESS)
goto fail_mtx;
st = vcos_tls_create(&tls_key);
if (st != VCOS_SUCCESS)
goto fail_tls;
endpoints = NULL;
return st;
fail_tls:
vcos_mutex_delete(&lock);
fail_mtx:
return st;
}
CComponent::CComponent(std::string sName, CGraph* pGraph) : m_sName(std::move(sName)), m_hComponent(NULL), m_pGraph(pGraph)
{
std::string sStateChangedEventName(m_sName);
sStateChangedEventName.append(":state_changed_event");
CHECK_VCOS(vcos_event_create(&m_StateChangedEvent, sStateChangedEventName.c_str()), "failed to create vcos event");
std::string sEventThreadName(m_sName);
sEventThreadName.append(":event_thread");
m_EventThread.Start(&CComponent::EventThreadProc, this, sEventThreadName.c_str());
std::string sEventQueueMutexName(m_sName);
sEventQueueMutexName.append(":event_queue_mutex");
vcos_mutex_create(&m_EventQueueMutex, sEventThreadName.c_str());
OMX_CALLBACKTYPE Callbacks;
Callbacks.EventHandler = &CComponent::EventHandler;
Callbacks.EmptyBufferDone = &CComponent::EmptyBufferDone;
Callbacks.FillBufferDone = &CComponent::FillBufferDone;
std::string sError("failed to create component ");
sError.append(m_sName);
CHECK_OMX(OMX_GetHandle(&m_hComponent, const_cast<char*>(m_sName.c_str()), this, &Callbacks), sError.c_str());
}
void vcos_logging_init(void)
{
if (inited)
{
/* FIXME: should print a warning or something here */
return;
}
vcos_mutex_create(&lock, "vcos_log");
vcos_log_platform_init();
vcos_log_register("default", &dflt_log_category);
#if VCOS_WANT_LOG_CMD
vcos_cmd_register( &cmd_log );
#endif
vcos_assert(!inited);
inited = 1;
}
void vc_vchi_gencmd_init (VCHI_INSTANCE_T initialise_instance, VCHI_CONNECTION_T **connections, uint32_t num_connections )
{
VCOS_STATUS_T status;
int32_t success;
int i;
if (gencmd_client.initialised)
return;
// record the number of connections
memset( &gencmd_client, 0, sizeof(GENCMD_SERVICE_T) );
gencmd_client.num_connections = (int) num_connections;
status = vcos_mutex_create(&gencmd_client.lock, "HGencmd");
vcos_assert(status == VCOS_SUCCESS);
status = vcos_event_create(&gencmd_client.message_available_event, "HGencmd");
vcos_assert(status == VCOS_SUCCESS);
for (i=0; i<gencmd_client.num_connections; i++) {
// Create a 'LONG' service on the each of the connections
SERVICE_CREATION_T gencmd_parameters = { VCHI_VERSION(VC_GENCMD_VER),
MAKE_FOURCC("GCMD"), // 4cc service code
connections[i], // passed in fn ptrs
0, // tx fifo size (unused)
0, // tx fifo size (unused)
&gencmd_callback, // service callback
&gencmd_client.message_available_event, // callback parameter
VC_FALSE, // want_unaligned_bulk_rx
VC_FALSE, // want_unaligned_bulk_tx
VC_FALSE // want_crc
};
success = vchi_service_open( initialise_instance, &gencmd_parameters, &gencmd_client.open_handle[i] );
assert( success == 0 );
}
gencmd_client.initialised = 1;
release_gencmd_service();
}
static void init_once(void)
{
vcos_mutex_create(&gpuserv_client.lock, VCOS_FUNCTION);
}
VCOS_STATUS_T vcos_generic_reentrant_mutex_create(VCOS_REENTRANT_MUTEX_T *m, const char *name)
{
m->count = 0;
m->owner = 0;
return vcos_mutex_create(&m->mutex, name);
}
VCOS_STATUS_T vcos_generic_blockpool_init(VCOS_BLOCKPOOL_T *pool,
VCOS_UNSIGNED num_blocks, VCOS_UNSIGNED block_size,
void *start, VCOS_UNSIGNED pool_size, VCOS_UNSIGNED align,
VCOS_UNSIGNED flags, const char *name)
{
VCOS_STATUS_T status = VCOS_SUCCESS;
vcos_unused(name);
vcos_unused(flags);
vcos_log_trace(
"%s: pool %p num_blocks %d block_size %d start %p pool_size %d name %p",
VCOS_FUNCTION, pool, num_blocks, block_size, start, pool_size, name);
vcos_demand(pool);
vcos_demand(start);
vcos_assert((block_size > 0));
vcos_assert(num_blocks > 0);
if (! align)
align = VCOS_BLOCKPOOL_ALIGN_DEFAULT;
if (align & 0x3)
{
vcos_log_error("%s: invalid alignment %d", VCOS_FUNCTION, align);
return VCOS_EINVAL;
}
if (VCOS_BLOCKPOOL_SIZE(num_blocks, block_size, align) > pool_size)
{
vcos_log_error("%s: Pool is too small" \
" num_blocks %d block_size %d align %d"
" pool_size %d required size %d", VCOS_FUNCTION,
num_blocks, block_size, align,
pool_size, (int) VCOS_BLOCKPOOL_SIZE(num_blocks, block_size, align));
return VCOS_ENOMEM;
}
status = vcos_mutex_create(&pool->mutex, "vcos blockpool mutex");
if (status != VCOS_SUCCESS)
return status;
pool->block_data_size = block_size;
/* TODO - create flag that if set forces the header to be in its own cache
* line */
pool->block_size = VCOS_BLOCKPOOL_ROUND_UP(pool->block_data_size +
(align >= 4096 ? 32 : 0) +
sizeof(VCOS_BLOCKPOOL_HEADER_T), align);
pool->magic = VCOS_BLOCKPOOL_MAGIC;
pool->num_subpools = 1;
pool->num_extension_blocks = 0;
pool->align = align;
memset(pool->subpools, 0, sizeof(pool->subpools));
vcos_generic_blockpool_subpool_init(pool, &pool->subpools[0], start,
pool_size, num_blocks, align, VCOS_BLOCKPOOL_SUBPOOL_FLAG_NONE);
return status;
}
void os_cond_init(void)
{
vcos_assert(vcos_cv_inited++ == 0);
vcos_demand(vcos_mutex_create(&cond_latch,NULL) == VCOS_SUCCESS);
}
static void mmal_vc_payload_list_init()
{
vcos_mutex_create(&mmal_vc_payload_list.lock, "mmal_vc_payload_list");
}
/** Allocate a port structure */
MMAL_PORT_T *mmal_port_alloc(MMAL_COMPONENT_T *component, MMAL_PORT_TYPE_T type, unsigned int extra_size)
{
MMAL_PORT_T *port;
MMAL_PORT_PRIVATE_CORE_T *core;
unsigned int name_size = strlen(component->name) + sizeof(PORT_NAME_FORMAT);
unsigned int size = sizeof(*port) + sizeof(MMAL_PORT_PRIVATE_T) +
sizeof(MMAL_PORT_PRIVATE_CORE_T) + name_size + extra_size;
MMAL_BOOL_T lock = 0, lock_send = 0, lock_transit = 0, sema_transit = 0;
MMAL_BOOL_T lock_stats = 0, lock_connection = 0;
LOG_TRACE("component:%s type:%u extra:%u", component->name, type, extra_size);
port = vcos_calloc(1, size, "mmal port");
if (!port)
{
LOG_ERROR("failed to allocate port, size %u", size);
return 0;
}
port->type = type;
port->priv = (MMAL_PORT_PRIVATE_T *)(port+1);
port->priv->core = core = (MMAL_PORT_PRIVATE_CORE_T *)(port->priv+1);
if (extra_size)
port->priv->module = (struct MMAL_PORT_MODULE_T *)(port->priv->core+1);
port->component = component;
port->name = core->name = ((char *)(port->priv->core+1)) + extra_size;
core->name_size = name_size;
mmal_port_name_update(port);
core->queue_last = &core->queue_first;
port->priv->pf_connect = mmal_port_connect_default;
lock = vcos_mutex_create(&port->priv->core->lock, "mmal port lock") == VCOS_SUCCESS;
lock_send = vcos_mutex_create(&port->priv->core->send_lock, "mmal port send lock") == VCOS_SUCCESS;
lock_transit = vcos_mutex_create(&port->priv->core->transit_lock, "mmal port transit lock") == VCOS_SUCCESS;
sema_transit = vcos_semaphore_create(&port->priv->core->transit_sema, "mmal port transit sema", 1) == VCOS_SUCCESS;
lock_stats = vcos_mutex_create(&port->priv->core->stats_lock, "mmal stats lock") == VCOS_SUCCESS;
lock_connection = vcos_mutex_create(&port->priv->core->connection_lock, "mmal connection lock") == VCOS_SUCCESS;
if (!lock || !lock_send || !lock_transit || !sema_transit || !lock_stats || !lock_connection)
{
LOG_ERROR("%s: failed to create sync objects (%u,%u,%u,%u,%u,%u)",
port->name, lock, lock_send, lock_transit, sema_transit, lock_stats, lock_connection);
goto error;
}
port->format = mmal_format_alloc();
if (!port->format)
{
LOG_ERROR("%s: failed to allocate format object", port->name);
goto error;
}
port->priv->core->format_ptr_copy = port->format;
LOG_TRACE("%s: created at %p", port->name, port);
return port;
error:
if (lock) vcos_mutex_delete(&port->priv->core->lock);
if (lock_send) vcos_mutex_delete(&port->priv->core->send_lock);
if (lock_transit) vcos_mutex_delete(&port->priv->core->transit_lock);
if (sema_transit) vcos_semaphore_delete(&port->priv->core->transit_sema);
if (lock_stats) vcos_mutex_delete(&port->priv->core->stats_lock);
if (lock_connection) vcos_mutex_delete(&port->priv->core->connection_lock);
if (port->format) mmal_format_free(port->format);
vcos_free(port);
return 0;
}
VCOS_STATUS_T _vcos_named_semaphore_init(void)
{
memset(sems,0,sizeof(sems));
return vcos_mutex_create(&lock,"vcosnmsem");
}
/* Create Simple Video Player instance. */
SVP_T *svp_create(const char *uri, SVP_CALLBACKS_T *callbacks, const SVP_OPTS_T *opts)
{
SVP_T *svp;
MMAL_STATUS_T st;
VCOS_STATUS_T vst;
MMAL_PORT_T *reader_output = NULL;
MMAL_COMPONENT_T *video_decode = NULL;
MMAL_PORT_T *video_output = NULL;
LOG_TRACE("Creating player for %s", (uri ? uri : "camera preview"));
vcos_assert(callbacks->video_frame_cb);
vcos_assert(callbacks->stop_cb);
svp = vcos_calloc(1, sizeof(*svp), "svp");
CHECK_STATUS((svp ? MMAL_SUCCESS : MMAL_ENOMEM), "Failed to allocate context");
svp->opts = *opts;
svp->callbacks = *callbacks;
/* Semaphore used for synchronising buffer handling for decoded frames */
vst = vcos_semaphore_create(&svp->sema, "svp-sem", 0);
CHECK_STATUS((vst == VCOS_SUCCESS ? MMAL_SUCCESS : MMAL_ENOMEM), "Failed to create semaphore");
svp->created |= SVP_CREATED_SEM;
vst = vcos_mutex_create(&svp->mutex, "svp-mutex");
CHECK_STATUS((vst == VCOS_SUCCESS ? MMAL_SUCCESS : MMAL_ENOMEM), "Failed to create mutex");
svp->created |= SVP_CREATED_MUTEX;
vst = vcos_timer_create(&svp->timer, "svp-timer", svp_timer_cb, svp);
CHECK_STATUS((vst == VCOS_SUCCESS ? MMAL_SUCCESS : MMAL_ENOMEM), "Failed to create timer");
svp->created |= SVP_CREATED_TIMER;
vst = vcos_timer_create(&svp->wd_timer, "svp-wd-timer", svp_watchdog_cb, svp);
CHECK_STATUS((vst == VCOS_SUCCESS ? MMAL_SUCCESS : MMAL_ENOMEM), "Failed to create timer");
svp->created |= SVP_CREATED_WD_TIMER;
/* Create components */
svp->reader = NULL;
svp->video_decode = NULL;
svp->camera = NULL;
svp->connection = NULL;
if (uri)
{
/* Video from URI: setup container_reader -> video_decode */
/* Create and set up container reader */
st = mmal_component_create(MMAL_COMPONENT_DEFAULT_CONTAINER_READER, &svp->reader);
CHECK_STATUS(st, "Failed to create container reader");
st = svp_setup_reader(svp->reader, uri, &reader_output);
if (st != MMAL_SUCCESS)
goto error;
st = mmal_component_enable(svp->reader);
CHECK_STATUS(st, "Failed to enable container reader");
st = svp_port_enable(svp, svp->reader->control, svp_bh_control_cb);
CHECK_STATUS(st, "Failed to enable container reader control port");
/* Create and set up video decoder */
st = mmal_component_create(MMAL_COMPONENT_DEFAULT_VIDEO_DECODER, &svp->video_decode);
CHECK_STATUS(st, "Failed to create video decoder");
video_decode = svp->video_decode;
video_output = video_decode->output[0];
st = mmal_component_enable(video_decode);
CHECK_STATUS(st, "Failed to enable video decoder");
st = svp_port_enable(svp, video_decode->control, svp_bh_control_cb);
CHECK_STATUS(st, "Failed to enable video decoder control port");
}
else
{
/* Camera preview */
MMAL_PARAMETER_CAMERA_CONFIG_T config;
st = mmal_component_create(MMAL_COMPONENT_DEFAULT_CAMERA, &svp->camera);
CHECK_STATUS(st, "Failed to create camera");
st = mmal_component_enable(svp->camera);
CHECK_STATUS(st, "Failed to enable camera");
st = svp_port_enable(svp, svp->camera->control, svp_bh_control_cb);
CHECK_STATUS(st, "Failed to enable camera control port");
video_output = svp->camera->output[0]; /* Preview port */
}
st = mmal_port_parameter_set_boolean(video_output, MMAL_PARAMETER_ZERO_COPY, MMAL_TRUE);
CHECK_STATUS((st == MMAL_ENOSYS ? MMAL_SUCCESS : st), "Failed to enable zero copy");
if (uri)
{
/* Create connection: container_reader -> video_decoder */
st = mmal_connection_create(&svp->connection, reader_output, video_decode->input[0],
MMAL_CONNECTION_FLAG_TUNNELLING);
CHECK_STATUS(st, "Failed to create connection");
}
/* Set video output port format.
* Opaque encoding ensures we get buffer data as handles to relocatable heap. */
video_output->format->encoding = MMAL_ENCODING_OPAQUE;
if (!uri)
{
/* Set video format for camera preview */
MMAL_VIDEO_FORMAT_T *vfmt = &video_output->format->es->video;
CHECK_STATUS((video_output->format->type == MMAL_ES_TYPE_VIDEO) ? MMAL_SUCCESS : MMAL_EINVAL,
"Output port isn't video format");
vfmt->width = SVP_CAMERA_WIDTH;
vfmt->height = SVP_CAMERA_HEIGHT;
vfmt->crop.x = 0;
vfmt->crop.y = 0;
vfmt->crop.width = vfmt->width;
vfmt->crop.height = vfmt->height;
vfmt->frame_rate.num = SVP_CAMERA_FRAMERATE;
vfmt->frame_rate.den = 1;
}
st = mmal_port_format_commit(video_output);
CHECK_STATUS(st, "Failed to set output port format");
/* Finally, set buffer num/size. N.B. For container_reader/video_decode, must be after
* connection created, in order for port format to propagate.
* Don't enable video output port until want to produce frames. */
video_output->buffer_num = video_output->buffer_num_recommended;
video_output->buffer_size = video_output->buffer_size_recommended;
/* Pool + queue to hold decoded video frames */
svp->out_pool = mmal_port_pool_create(video_output, video_output->buffer_num,
video_output->buffer_size);
CHECK_STATUS((svp->out_pool ? MMAL_SUCCESS : MMAL_ENOMEM), "Error allocating pool");
svp->queue = mmal_queue_create();
CHECK_STATUS((svp ? MMAL_SUCCESS : MMAL_ENOMEM), "Error allocating queue");
svp->video_output = video_output;
return svp;
error:
svp_destroy(svp);
return NULL;
}
int main(int argc, const char **argv)
{
VCOS_THREAD_ATTR_T attrs;
int i;
vcos_init();
signal(SIGINT, test_signal_handler);
/* coverity[tainted_data] Ignore unnecessary warning about an attacker
* being able to pass an arbitrarily long "-vvvvv..." argument */
if (test_parse_cmdline(argc, argv))
return -1;
if (verbosity--)
{
static char value[512];
const char *levels[] = {"warn", "info", "trace"};
char *env = getenv("VC_LOGLEVEL");
if (verbosity >= MMAL_COUNTOF(levels)) verbosity = MMAL_COUNTOF(levels) - 1;
snprintf(value, sizeof(value)-1, "mmalplay:%s,mmal:%s,%s",
levels[verbosity], levels[verbosity], env ? env : "");
#ifdef WIN32
_putenv("VC_LOGLEVEL", value, 1);
#else
setenv("VC_LOGLEVEL", value, 1);
#endif
}
vcos_log_register("mmalplay", VCOS_LOG_CATEGORY);
LOG_INFO("MMAL Video Playback Test App");
vcos_thread_attr_init(&attrs);
for (i = 0; i < play_info_count; i++)
{
const char *uri = play_info[i].uri;
memcpy(play_info[i].name, THREAD_PREFIX, sizeof(THREAD_PREFIX));
if (strlen(uri) >= URI_FOR_THREAD_NAME_MAX)
uri += strlen(uri) - URI_FOR_THREAD_NAME_MAX;
strncat(play_info[i].name, uri, URI_FOR_THREAD_NAME_MAX);
vcos_mutex_create(&play_info[i].lock, "mmalplay");
play_info[i].options.render_layer = i;
if (vcos_thread_create(&play_info[i].thread, play_info[i].name, &attrs, mmal_playback, &play_info[i]) != VCOS_SUCCESS)
{
LOG_ERROR("Thread creation failure for URI %s", play_info[i].uri);
return -2;
}
}
if (sleepy_time != 0)
{
#ifdef WIN32
Sleep(sleepy_time);
#else
sleep(sleepy_time);
#endif
for (i = 0; i < play_info_count; i++)
{
vcos_mutex_lock(&play_info[i].lock);
if (play_info[i].ctx)
mmalplay_stop(play_info[i].ctx);
vcos_mutex_unlock(&play_info[i].lock);
}
}
LOG_TRACE("Waiting for threads to terminate");
for (i = 0; i < play_info_count; i++)
{
vcos_thread_join(&play_info[i].thread, NULL);
LOG_TRACE("Joined thread %d (%i)", i, play_info[i].status);
}
LOG_TRACE("Completed");
/* Check for errors */
for (i = 0; i < play_info_count; i++)
{
if (!play_info[i].status)
continue;
LOG_ERROR("Playback of %s failed (%i, %s)", play_info[i].uri,
play_info[i].status,
mmal_status_to_string(play_info[i].status));
fprintf(stderr, "playback of %s failed (%i, %s)\n", play_info[i].uri,
play_info[i].status,
mmal_status_to_string(play_info[i].status));
return play_info[i].status;
}
return 0;
}
static void brcmjpeg_init_once(void)
{
vcos_mutex_create(&brcmjpeg_lock, VCOS_FUNCTION);
}
VCOS_STATUS_T vcos_platform_init(void)
{
VCOS_STATUS_T st;
uint32_t flags = 0;
int pst;
st = _vcos_named_semaphore_init();
if (!vcos_verify(st == VCOS_SUCCESS))
goto end;
flags |= VCOS_INIT_NAMED_SEM;
#ifdef HAVE_MTRACE
/* enable glibc memory debugging, if the environment
* variable MALLOC_TRACE names a valid file.
*/
mtrace();
#endif
#ifdef ANDROID
st = vcos_mutex_create(&printf_lock, "printf");
if (!vcos_verify(st == VCOS_SUCCESS))
goto end;
flags |= VCOS_INIT_PRINTF_LOCK;
#endif
st = vcos_once(¤t_thread_key_once, current_thread_key_init);
if (!vcos_verify(st == VCOS_SUCCESS))
goto end;
/* Initialise a VCOS wrapper for the thread which called vcos_init. */
st = vcos_semaphore_create(&vcos_thread_main.suspend, NULL, 0);
if (!vcos_verify(st == VCOS_SUCCESS))
goto end;
flags |= VCOS_INIT_MAIN_SEM;
vcos_thread_main.thread = pthread_self();
pst = pthread_setspecific(_vcos_thread_current_key, &vcos_thread_main);
if (!vcos_verify(pst == 0))
{
st = VCOS_EINVAL;
goto end;
}
st = vcos_msgq_init();
if (!vcos_verify(st == VCOS_SUCCESS))
goto end;
flags |= VCOS_INIT_MSGQ;
vcos_logging_init();
end:
if (st != VCOS_SUCCESS)
vcos_term(flags);
return st;
}
static void __inline local_mutex_create(LOCAL_MUTEX_T *mutex)
{
vcos_mutex_create(&mutex->mutex, "vchiq");
}
/* Atomic creation of lock protecting shared state */
static void initOnce(void)
{
VCOS_STATUS_T status;
status = vcos_mutex_create(&lock, VCOS_FUNCTION);
vcos_demand(status == VCOS_SUCCESS);
}
void vc_vchi_dispmanx_init (VCHI_INSTANCE_T initialise_instance, VCHI_CONNECTION_T **connections, uint32_t num_connections ) {
VCOS_STATUS_T status;
int32_t success;
uint32_t i;
// record the number of connections
memset( &dispmanx_client, 0, sizeof(DISPMANX_SERVICE_T) );
dispmanx_client.num_connections = num_connections;
status = vcos_mutex_create(&dispmanx_client.lock, "HDispmanx");
vcos_assert(status == VCOS_SUCCESS);
status = vcos_event_create(&dispmanx_message_available_event, "HDispmanx");
vcos_assert(status == VCOS_SUCCESS);
status = vcos_event_create(&dispmanx_notify_available_event, "HDispmanx");
vcos_assert(status == VCOS_SUCCESS);
dispmanx_client.initialised = 1;
for (i=0; i<dispmanx_client.num_connections; i++) {
VCOS_THREAD_ATTR_T attrs;
// Create a 'Client' service on the each of the connections
SERVICE_CREATION_T dispmanx_parameters = { DISPMANX_CLIENT_NAME, // 4cc service code
connections[i], // passed in fn ptrs
0, // tx fifo size (unused)
0, // tx fifo size (unused)
&dispmanx_client_callback, // service callback
&dispmanx_message_available_event, // callback parameter
VC_FALSE, // want_unaligned_bulk_rx
VC_FALSE, // want_unaligned_bulk_tx
VC_FALSE, // want_crc
};
SERVICE_CREATION_T dispmanx_parameters2 = { DISPMANX_NOTIFY_NAME, // 4cc service code
connections[i], // passed in fn ptrs
0, // tx fifo size (unused)
0, // tx fifo size (unused)
&dispmanx_notify_callback, // service callback
&dispmanx_notify_available_event, // callback parameter
VC_FALSE, // want_unaligned_bulk_rx
VC_FALSE, // want_unaligned_bulk_tx
VC_FALSE, // want_crc
};
success = vchi_service_open( initialise_instance, &dispmanx_parameters, &dispmanx_client.client_handle[i] );
vcos_assert( success == 0 );
// Create the async service of dispman to handle update callback
success = vchi_service_open( initialise_instance, &dispmanx_parameters2, &dispmanx_client.notify_handle[i] );
vcos_assert( success == 0 );
//Create the notifier task
vcos_thread_attr_init(&attrs);
vcos_thread_attr_setstacksize(&attrs, 2048);
vcos_thread_attr_settimeslice(&attrs, 1);
status = vcos_thread_create(&dispmanx_notify_task, "HDispmanx Notify", &attrs, dispmanx_notify_func, NULL);
vcos_assert(status == VCOS_SUCCESS);
// release services until they're actually used
vchi_service_release(dispmanx_client.client_handle[i]);
vchi_service_release(dispmanx_client.notify_handle[i]);
}
}
MMAL_STATUS_T mmal_vc_init(void)
{
VCHIQ_SERVICE_PARAMS_T vchiq_params;
MMAL_BOOL_T vchiq_initialised = 0, waitpool_initialised = 0;
MMAL_BOOL_T service_initialised = 0;
MMAL_STATUS_T status = MMAL_EIO;
VCHIQ_STATUS_T vchiq_status;
int count;
vcos_once(&once, init_once);
vcos_mutex_lock(&client.lock);
count = client.refcount++;
if (count > 0)
{
/* Already initialised so nothing to do */
vcos_mutex_unlock(&client.lock);
return MMAL_SUCCESS;
}
vcos_log_register("mmalipc", VCOS_LOG_CATEGORY);
/* Initialise a VCHIQ instance */
vchiq_status = vchiq_initialise(&mmal_vchiq_instance);
if (vchiq_status != VCHIQ_SUCCESS)
{
LOG_ERROR("failed to initialise vchiq");
status = MMAL_EIO;
goto error;
}
vchiq_initialised = 1;
vchiq_status = vchiq_connect(mmal_vchiq_instance);
if (vchiq_status != VCHIQ_SUCCESS)
{
LOG_ERROR("failed to connect to vchiq");
status = MMAL_EIO;
goto error;
}
memset(&vchiq_params,0,sizeof(vchiq_params));
vchiq_params.fourcc = MMAL_CONTROL_FOURCC();
vchiq_params.callback = mmal_vc_vchiq_callback;
vchiq_params.userdata = &client;
vchiq_params.version = WORKER_VER_MAJOR;
vchiq_params.version_min = WORKER_VER_MINIMUM;
vchiq_status = vchiq_open_service(mmal_vchiq_instance, &vchiq_params, &client.service);
if (vchiq_status != VCHIQ_SUCCESS)
{
LOG_ERROR("could not open vchiq service");
status = MMAL_EIO;
goto error;
}
client.usecount = 1; /* usecount set to 1 by the open call. */
service_initialised = 1;
status = create_waitpool(&client.waitpool);
if (status != MMAL_SUCCESS)
{
LOG_ERROR("could not create wait pool");
goto error;
}
waitpool_initialised = 1;
if (vcos_mutex_create(&client.bulk_lock, "mmal client bulk lock") != VCOS_SUCCESS)
{
LOG_ERROR("could not create bulk lock");
status = MMAL_ENOSPC;
goto error;
}
client.inited = 1;
vcos_mutex_unlock(&client.lock);
/* assume we're not using VC immediately. Do this outside the lock */
mmal_vc_release();
return MMAL_SUCCESS;
error:
if (waitpool_initialised)
destroy_waitpool(&client.waitpool);
if (service_initialised)
{
client.usecount = 0;
vchiq_close_service(client.service);
}
if (vchiq_initialised)
vchiq_shutdown(mmal_vchiq_instance);
vcos_log_unregister(VCOS_LOG_CATEGORY);
client.refcount--;
vcos_mutex_unlock(&client.lock);
return status;
}
