C++ (Cpp) fimc_is_frame_open Exemples

Exemple #1

Fichier : fimc-is-video.c Projet : djmax81/android_kernel_samsung_exynos5433_LL

int fimc_is_video_reqbufs(struct file *file,
	struct fimc_is_video_ctx *vctx,
	struct v4l2_requestbuffers *request)
{
	int ret = 0;
	struct fimc_is_framemgr *framemgr;
	struct fimc_is_queue *queue;

	BUG_ON(!vctx);
	BUG_ON(!request);

	queue = GET_VCTX_QUEUE(vctx, request);

	if (test_bit(FIMC_IS_QUEUE_STREAM_ON, &queue->state)) {
		err("video is stream on, not applied");
		ret = -EINVAL;
		goto p_err;
	}

	ret = vb2_reqbufs(queue->vbq, request);
	if (ret) {
		err("vb2_reqbufs is fail(%d)", ret);
		goto p_err;
	}

	framemgr = &queue->framemgr;
	queue->buf_maxcount = request->count;
	if (queue->buf_maxcount == 0) {
		queue->buf_refcount = 0;
		clear_bit(FIMC_IS_QUEUE_BUFFER_READY, &queue->state);
		clear_bit(FIMC_IS_QUEUE_BUFFER_PREPARED, &queue->state);
		fimc_is_frame_close(framemgr);
	} else {
		if (queue->buf_maxcount < queue->buf_rdycount) {
			err("buffer count is not invalid(%d < %d)",
				queue->buf_maxcount, queue->buf_rdycount);
			ret = -EINVAL;
			goto p_err;
		}

		if (!queue->buf_rdycount)
			set_bit(FIMC_IS_QUEUE_BUFFER_READY, &queue->state);

		fimc_is_frame_open(framemgr, queue->buf_maxcount);
	}

p_err:
	return ret;
}

Exemple #2

Fichier : fimc-is-video.c Projet : MikeForeskin/Vindicator-S6-MM

int fimc_is_video_reqbufs(struct file *file,
	struct fimc_is_video_ctx *vctx,
	struct v4l2_requestbuffers *request)
{
	int ret = 0;
	struct fimc_is_queue *queue;
	struct fimc_is_framemgr *framemgr;

	BUG_ON(!vctx);
	BUG_ON(!request);

	if (!(vctx->state & (BIT(FIMC_IS_VIDEO_S_FORMAT) | BIT(FIMC_IS_VIDEO_STOP) | BIT(FIMC_IS_VIDEO_S_BUFS)))) {
		err("[V%02d] invalid reqbufs is requested(%lX)", vctx->video->id, vctx->state);
		return -EINVAL;
	}

	queue = GET_QUEUE(vctx);
	if (test_bit(FIMC_IS_QUEUE_STREAM_ON, &queue->state)) {
		err("video is stream on, not applied");
		ret = -EINVAL;
		goto p_err;
	}

	ret = CALL_QOPS(queue, request_bufs, GET_DEVICE(vctx), request->count);
	if (ret) {
		err("request_bufs is fail(%d)", ret);
		goto p_err;
	}

	ret = vb2_reqbufs(queue->vbq, request);
	if (ret) {
		err("vb2_reqbufs is fail(%d)", ret);
		goto p_err;
	}

	framemgr = &queue->framemgr;
	queue->buf_maxcount = request->count;
	if (queue->buf_maxcount == 0) {
		queue->buf_req = 0;
		queue->buf_pre = 0;
		queue->buf_que = 0;
		queue->buf_com = 0;
		queue->buf_dqe = 0;
		queue->buf_refcount = 0;
		clear_bit(FIMC_IS_QUEUE_BUFFER_READY, &queue->state);
		clear_bit(FIMC_IS_QUEUE_BUFFER_PREPARED, &queue->state);
		fimc_is_frame_close(framemgr);
	} else {
		if (queue->buf_maxcount < queue->buf_rdycount) {
			err("buffer count is not invalid(%d < %d)",
				queue->buf_maxcount, queue->buf_rdycount);
			ret = -EINVAL;
			goto p_err;
		}

		ret = fimc_is_frame_open(framemgr, queue->buf_maxcount);
		if (ret) {
			err("[V%02d] fimc_is_frame_open is fail(%d)", vctx->video->id, ret);
			goto p_err;
		}
	}

	vctx->state = BIT(FIMC_IS_VIDEO_S_BUFS);

p_err:
	return ret;
}