Esempi in C++ (Cpp) per mpq_dmx_tspp_aggregated_process

Esempio n. 1

File: mpq_dmx_plugin_tspp_v1.c Progetto: downthemachine/arthur_msm-JB-3.4-vanilla

/**
 * Demux thread function handling data from specific TSIF.
 *
 * @arg: TSIF number
 */
static int mpq_dmx_tspp_thread(void *arg)
{
	int tsif = (int)arg;
	struct mpq_demux *mpq_demux;
	const struct tspp_data_descriptor *tspp_data_desc;
	atomic_t *data_cnt;
	u32 notif_size;
	int channel_id;
	int ref_count;
	int ret;
	int j;

	do {
		ret = wait_event_interruptible(
			mpq_dmx_tspp_info.tsif[tsif].wait_queue,
			atomic_read(&mpq_dmx_tspp_info.tsif[tsif].data_cnt) ||
			kthread_should_stop());

		if ((ret < 0) || kthread_should_stop()) {
			MPQ_DVB_ERR_PRINT("%s: exit\n", __func__);
			break;
		}

		/* Lock against the TSPP filters data-structure */
		if (mutex_lock_interruptible(
			&mpq_dmx_tspp_info.tsif[tsif].mutex))
			return -ERESTARTSYS;

		channel_id = TSPP_CHANNEL_ID(tsif, TSPP_CHANNEL);

		ref_count = mpq_dmx_tspp_info.tsif[tsif].channel_ref;
		data_cnt = &mpq_dmx_tspp_info.tsif[tsif].data_cnt;

		/* Make sure channel is still active */
		if (ref_count == 0) {
			mutex_unlock(&mpq_dmx_tspp_info.tsif[tsif].mutex);
			continue;
		}

		atomic_dec(data_cnt);

		mpq_demux = mpq_dmx_tspp_info.tsif[tsif].mpq_demux;
		mpq_demux->hw_notification_size = 0;

		if (MPQ_DMX_TSPP_CONTIGUOUS_PHYS_ALLOC != allocation_mode &&
			mpq_sdmx_is_loaded())
			pr_err_once(
				"%s: TSPP Allocation mode does not support secure demux.\n",
				__func__);

		if (MPQ_DMX_TSPP_CONTIGUOUS_PHYS_ALLOC == allocation_mode &&
			mpq_sdmx_is_loaded()) {
			mpq_dmx_tspp_aggregated_process(tsif, channel_id);
		} else {
			/*
			 * Go through all filled descriptors
			 * and perform demuxing on them
			 */
			while ((tspp_data_desc = tspp_get_buffer(0, channel_id))
					!= NULL) {
				notif_size = tspp_data_desc->size /
					TSPP_RAW_TTS_SIZE;
				mpq_demux->hw_notification_size += notif_size;

				for (j = 0; j < notif_size; j++)
					dvb_dmx_swfilter_packet(
					 &mpq_demux->demux,
					 ((u8 *)tspp_data_desc->virt_base) +
					 j * TSPP_RAW_TTS_SIZE,
					 ((u8 *)tspp_data_desc->virt_base) +
					 j * TSPP_RAW_TTS_SIZE + TSPP_RAW_SIZE);
				/*
				 * Notify TSPP that the buffer
				 * is no longer needed
				 */
				tspp_release_buffer(0, channel_id,
					tspp_data_desc->id);
			}
		}

		if (mpq_demux->hw_notification_size &&
			(mpq_demux->hw_notification_size <
			mpq_demux->hw_notification_min_size))
			mpq_demux->hw_notification_min_size =
				mpq_demux->hw_notification_size;

		mutex_unlock(&mpq_dmx_tspp_info.tsif[tsif].mutex);
	} while (1);

	return 0;
}

Esempio n. 2

File: mpq_dmx_plugin_tspp_v1.c Progetto: DirtyDroidX/android_kernel_htc_m8ul

static int mpq_dmx_tspp_thread(void *arg)
{
	int tsif = (int)arg;
	struct mpq_demux *mpq_demux;
	const struct tspp_data_descriptor *tspp_data_desc;
	atomic_t *data_cnt;
	u32 notif_size;
	int channel_id;
	int ref_count;
	int ret;

	do {
		ret = wait_event_interruptible(
			mpq_dmx_tspp_info.tsif[tsif].wait_queue,
			atomic_read(&mpq_dmx_tspp_info.tsif[tsif].data_cnt) ||
			kthread_should_stop());

		if ((ret < 0) || kthread_should_stop()) {
			MPQ_DVB_ERR_PRINT("%s: exit\n", __func__);
			break;
		}

		
		if (mutex_lock_interruptible(
			&mpq_dmx_tspp_info.tsif[tsif].mutex))
			return -ERESTARTSYS;

		channel_id = TSPP_CHANNEL_ID(tsif, TSPP_CHANNEL);

		ref_count = mpq_dmx_tspp_info.tsif[tsif].channel_ref;
		data_cnt = &mpq_dmx_tspp_info.tsif[tsif].data_cnt;

		
		if (ref_count == 0) {
			mutex_unlock(&mpq_dmx_tspp_info.tsif[tsif].mutex);
			continue;
		}

		atomic_dec(data_cnt);

		mpq_demux = mpq_dmx_tspp_info.tsif[tsif].mpq_demux;
		mpq_demux->hw_notification_size = 0;

		if (MPQ_DMX_TSPP_CONTIGUOUS_PHYS_ALLOC != allocation_mode &&
			mpq_sdmx_is_loaded())
			pr_err_once(
				"%s: TSPP Allocation mode does not support secure demux.\n",
				__func__);

		if (MPQ_DMX_TSPP_CONTIGUOUS_PHYS_ALLOC == allocation_mode &&
			mpq_sdmx_is_loaded()) {
			mpq_dmx_tspp_aggregated_process(tsif, channel_id);
		} else {
			while ((tspp_data_desc = tspp_get_buffer(0, channel_id))
					!= NULL) {
				notif_size = tspp_data_desc->size /
					TSPP_RAW_TTS_SIZE;
				mpq_demux->hw_notification_size += notif_size;

				mpq_dmx_tspp_swfilter_desc(mpq_demux,
					tspp_data_desc);
				tspp_release_buffer(0, channel_id,
					tspp_data_desc->id);
			}
		}

		if (mpq_demux->hw_notification_size &&
			(mpq_demux->hw_notification_size <
			mpq_demux->hw_notification_min_size))
			mpq_demux->hw_notification_min_size =
				mpq_demux->hw_notification_size;

		mutex_unlock(&mpq_dmx_tspp_info.tsif[tsif].mutex);
	} while (1);

	return 0;
}