void v4l_display_close(struct vpu_display *disp) { int type = V4L2_BUF_TYPE_VIDEO_OUTPUT; if (disp) { if (vpu_v4l_performance_test) { quitflag = 1; pthread_join(disp->v4l_disp_loop_thread, NULL); sem_destroy(&disp->avaiable_decoding_frame); sem_destroy(&disp->avaiable_dequeue_frame); } ioctl(disp->fd, VIDIOC_STREAMOFF, &type); v4l_free_bufs(disp->nframes, disp); close(disp->fd); free(disp); } }
void v4l_display_close(struct vpu_display *disp) { int type = V4L2_BUF_TYPE_VIDEO_OUTPUT; if (disp) { while (disp->queued_count > 0) { disp->buf.type = V4L2_BUF_TYPE_VIDEO_OUTPUT; disp->buf.memory = V4L2_MEMORY_MMAP; if (ioctl(disp->fd, VIDIOC_DQBUF, &disp->buf) < 0) break; disp->queued_count--; } ioctl(disp->fd, VIDIOC_STREAMOFF, &type); v4l_free_bufs(disp->nframes, disp); close(disp->fd); free(disp); } }
struct vpu_display * v4l_display_open(struct decode *dec, int nframes, struct rot rotation, Rect cropRect) { int width = dec->picwidth; int height = dec->picheight; int left = cropRect.left; int top = cropRect.top; int right = cropRect.right; int bottom = cropRect.bottom; int disp_width = dec->cmdl->width; int disp_height = dec->cmdl->height; int disp_left = dec->cmdl->loff; int disp_top = dec->cmdl->toff; int fd = -1, err = 0, out = 0, i = 0; char v4l_device[80], node[8]; struct v4l2_cropcap cropcap = {0}; struct v4l2_crop crop = {0}; struct v4l2_framebuffer fb = {0}; struct v4l2_format fmt = {0}; struct v4l2_requestbuffers reqbuf = {0}; struct v4l2_mxc_offset off = {0}; struct v4l2_rect icrop = {0}; struct vpu_display *disp; int fd_fb; char *tv_mode, *test_mode; char motion_mode = dec->cmdl->vdi_motion; struct mxcfb_gbl_alpha alpha; int ratio = 1; if (cpu_is_mx27()) { out = 0; } else { out = 3; #ifdef BUILD_FOR_ANDROID fd_fb = open("/dev/graphics/fb0", O_RDWR, 0); #else fd_fb = open("/dev/fb0", O_RDWR, 0); #endif if (fd_fb < 0) { err_msg("unable to open fb0\n"); return NULL; } alpha.alpha = 0; alpha.enable = 1; if (ioctl(fd_fb, MXCFB_SET_GBL_ALPHA, &alpha) < 0) { err_msg("set alpha blending failed\n"); return NULL; } close(fd_fb); } dprintf(3, "rot_en:%d; rot_angle:%d; ipu_rot_en:%d\n", rotation.rot_en, rotation.rot_angle, rotation.ipu_rot_en); tv_mode = getenv("VPU_TV_MODE"); if (tv_mode) { err = system("/bin/echo 1 > /sys/class/graphics/fb1/blank"); if (!strcmp(tv_mode, "NTSC")) { err = system("/bin/echo U:720x480i-60 > /sys/class/graphics/fb1/mode"); out = 5; } else if (!strcmp(tv_mode, "PAL")) { err = system("/bin/echo U:720x576i-50 > /sys/class/graphics/fb1/mode"); out = 5; } else if (!strcmp(tv_mode, "720P")) { err = system("/bin/echo U:1280x720p-60 > /sys/class/graphics/fb1/mode"); out = 5; } else { out = 3; warn_msg("VPU_TV_MODE should be set to NTSC, PAL, or 720P.\n" "\tDefault display is LCD if not set this environment " "or set wrong string.\n"); } err = system("/bin/echo 0 > /sys/class/graphics/fb1/blank"); if (err == -1) { warn_msg("set tv mode error\n"); } /* make sure tvout init done */ sleep(2); } if (rotation.rot_en) { if (rotation.rot_angle == 90 || rotation.rot_angle == 270) { i = width; width = height; height = i; } dprintf(3, "VPU rot: width = %d; height = %d\n", width, height); } disp = (struct vpu_display *)calloc(1, sizeof(struct vpu_display)); if (disp == NULL) { err_msg("falied to allocate vpu_display\n"); return NULL; } if (!dec->cmdl->video_node) { if (cpu_is_mx6x()) dec->cmdl->video_node = 17; /* fg for mx6x */ else dec->cmdl->video_node = 16; } sprintf(node, "%d", dec->cmdl->video_node); strcpy(v4l_device, "/dev/video"); strcat(v4l_device, node); fd = open(v4l_device, O_RDWR, 0); if (fd < 0) { err_msg("unable to open %s\n", v4l_device); goto err; } info_msg("v4l output to %s\n", v4l_device); if (!cpu_is_mx6x()) { err = ioctl(fd, VIDIOC_S_OUTPUT, &out); if (err < 0) { err_msg("VIDIOC_S_OUTPUT failed\n"); goto err; } } cropcap.type = V4L2_BUF_TYPE_VIDEO_OUTPUT; err = ioctl(fd, VIDIOC_CROPCAP, &cropcap); if (err < 0) { err_msg("VIDIOC_CROPCAP failed\n"); goto err; } dprintf(1, "cropcap.bounds.width = %d\n\tcropcap.bound.height = %d\n\t" \ "cropcap.defrect.width = %d\n\tcropcap.defrect.height = %d\n", cropcap.bounds.width, cropcap.bounds.height, cropcap.defrect.width, cropcap.defrect.height); if (rotation.ipu_rot_en == 0) { ratio = calculate_ratio(width, height, cropcap.bounds.width, cropcap.bounds.height); dprintf(3, "VPU rot: ratio = %d\n", ratio); } crop.type = V4L2_BUF_TYPE_VIDEO_OUTPUT; crop.c.top = disp_top; crop.c.left = disp_left; crop.c.width = width / ratio; crop.c.height = height / ratio; if ((disp_width != 0) && (disp_height!= 0 )) { crop.c.width = disp_width; crop.c.height = disp_height; } else if (!cpu_is_mx27()) { crop.c.width = cropcap.bounds.width; crop.c.height = cropcap.bounds.height; } info_msg("Display to %d %d, top offset %d, left offset %d\n", crop.c.width, crop.c.height, disp_top, disp_left); dprintf(1, "crop.c.width/height: %d/%d\n", crop.c.width, crop.c.height); err = ioctl(fd, VIDIOC_S_CROP, &crop); if (err < 0) { err_msg("VIDIOC_S_CROP failed\n"); goto err; } /* Set VDI motion algorithm. */ if (motion_mode) { struct v4l2_control ctrl; ctrl.id = V4L2_CID_MXC_MOTION; if (motion_mode == 'h') { ctrl.value = HIGH_MOTION; } else if (motion_mode == 'l') { ctrl.value = LOW_MOTION; } else if (motion_mode == 'm') { ctrl.value = MED_MOTION; } else { ctrl.value = MED_MOTION; info_msg("%c unknown motion mode, medium, the default is used\n",motion_mode); } err = ioctl(fd, VIDIOC_S_CTRL, &ctrl); if (err < 0) { err_msg("VIDIOC_S_CTRL failed\n"); goto err; } } if (cpu_is_mx6x()) { /* Set rotation via new V4L2 interface on 2.6.38 kernel */ struct v4l2_control ctrl; ctrl.id = V4L2_CID_ROTATE; if (rotation.ipu_rot_en) ctrl.value = rotation.rot_angle; else ctrl.value = 0; err = ioctl(fd, VIDIOC_S_CTRL, &ctrl); if (err < 0) { err_msg("VIDIOC_S_CTRL failed\n"); goto err; } } else if (rotation.ipu_rot_en && (rotation.rot_angle != 0)) { /* Set rotation via V4L2 i/f */ struct v4l2_control ctrl; ctrl.id = V4L2_CID_PRIVATE_BASE; if (rotation.rot_angle == 90) ctrl.value = V4L2_MXC_ROTATE_90_RIGHT; else if (rotation.rot_angle == 180) ctrl.value = V4L2_MXC_ROTATE_180; else if (rotation.rot_angle == 270) ctrl.value = V4L2_MXC_ROTATE_90_LEFT; err = ioctl(fd, VIDIOC_S_CTRL, &ctrl); if (err < 0) { err_msg("VIDIOC_S_CTRL failed\n"); goto err; } } else { struct v4l2_control ctrl; ctrl.id = V4L2_CID_PRIVATE_BASE; ctrl.value = 0; err = ioctl(fd, VIDIOC_S_CTRL, &ctrl); if (err < 0) { err_msg("VIDIOC_S_CTRL failed\n"); goto err; } } if (cpu_is_mx27()) { fb.capability = V4L2_FBUF_CAP_EXTERNOVERLAY; fb.flags = V4L2_FBUF_FLAG_PRIMARY; err = ioctl(fd, VIDIOC_S_FBUF, &fb); if (err < 0) { err_msg("VIDIOC_S_FBUF failed\n"); goto err; } } fmt.type = V4L2_BUF_TYPE_VIDEO_OUTPUT; /* * Just consider one case: * (top,left) = (0,0) */ if (top || left) { err_msg("This case is not covered in this demo for simplicity:\n" "croping rectangle (top, left) != (0, 0); " "top/left = %d/%d\n", top, left); goto err; } else if (right || bottom) { if (cpu_is_mx6x()) { /* This is aligned with new V4L interface on 2.6.38 kernel */ fmt.fmt.pix.width = width; fmt.fmt.pix.height = height; icrop.left = left; icrop.top = top; icrop.width = right - left; icrop.height = bottom - top; fmt.fmt.pix.priv = (unsigned long)&icrop; } else { fmt.fmt.pix.width = right - left; fmt.fmt.pix.height = bottom - top; fmt.fmt.pix.bytesperline = width; off.u_offset = width * height; off.v_offset = off.u_offset + width * height / 4; fmt.fmt.pix.priv = (unsigned long) &off; fmt.fmt.pix.sizeimage = width * height * 3 / 2; } } else { fmt.fmt.pix.width = width; fmt.fmt.pix.height = height; fmt.fmt.pix.bytesperline = width; } dprintf(1, "fmt.fmt.pix.width = %d\n\tfmt.fmt.pix.height = %d\n", fmt.fmt.pix.width, fmt.fmt.pix.height); fmt.fmt.pix.field = V4L2_FIELD_ANY; if (dec->cmdl->mapType == LINEAR_FRAME_MAP) { if (dec->cmdl->chromaInterleave == 0) { if (dec->mjpg_fmt == MODE420) fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV420; else if (dec->mjpg_fmt == MODE422) fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV422P; else { err_msg("Display cannot support this MJPG format\n"); goto err; } } else { if (dec->mjpg_fmt == MODE420) { info_msg("Display: NV12\n"); fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_NV12; } else if (dec->mjpg_fmt == MODE422) { info_msg("Display: NV16\n"); fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_NV16; } else { err_msg("Display cannot support this MJPG format\n"); goto err; } } } else if (dec->cmdl->mapType == TILED_FRAME_MB_RASTER_MAP) { fmt.fmt.pix.pixelformat = IPU_PIX_FMT_TILED_NV12; } else if (dec->cmdl->mapType == TILED_FIELD_MB_RASTER_MAP) { fmt.fmt.pix.pixelformat = IPU_PIX_FMT_TILED_NV12F; } else { err_msg("Display cannot support mapType = %d\n", dec->cmdl->mapType); goto err; } err = ioctl(fd, VIDIOC_S_FMT, &fmt); if (err < 0) { err_msg("VIDIOC_S_FMT failed\n"); goto err; } err = ioctl(fd, VIDIOC_G_FMT, &fmt); if (err < 0) { err_msg("VIDIOC_G_FMT failed\n"); goto err; } reqbuf.type = V4L2_BUF_TYPE_VIDEO_OUTPUT; reqbuf.memory = V4L2_MEMORY_MMAP; reqbuf.count = nframes; err = ioctl(fd, VIDIOC_REQBUFS, &reqbuf); if (err < 0) { err_msg("VIDIOC_REQBUFS failed\n"); goto err; } if (reqbuf.count < nframes) { err_msg("VIDIOC_REQBUFS: not enough buffers\n"); goto err; } for (i = 0; i < nframes; i++) { struct v4l2_buffer buffer = {0}; struct v4l_buf *buf; buf = calloc(1, sizeof(struct v4l_buf)); if (buf == NULL) { v4l_free_bufs(i, disp); goto err; } disp->buffers[i] = buf; buffer.type = V4L2_BUF_TYPE_VIDEO_OUTPUT; buffer.memory = V4L2_MEMORY_MMAP; buffer.index = i; err = ioctl(fd, VIDIOC_QUERYBUF, &buffer); if (err < 0) { err_msg("VIDIOC_QUERYBUF: not enough buffers\n"); v4l_free_bufs(i, disp); goto err; } buf->start = mmap(NULL, buffer.length, PROT_READ | PROT_WRITE, MAP_SHARED, fd, buffer.m.offset); if (cpu_is_mx6x()) { /* * Workaround for new V4L interface change, this change * will be removed after V4L driver is updated for this. * Need to call QUERYBUF ioctl again after mmap. */ err = ioctl(fd, VIDIOC_QUERYBUF, &buffer); if (err < 0) { err_msg("VIDIOC_QUERYBUF: not enough buffers\n"); v4l_free_bufs(i, disp); goto err; } } buf->offset = buffer.m.offset; buf->length = buffer.length; dprintf(3, "V4L2buf phy addr: %08x, size = %d\n", (unsigned int)buf->offset, buf->length); if (buf->start == MAP_FAILED) { err_msg("mmap failed\n"); v4l_free_bufs(i, disp); goto err; } } disp->fd = fd; disp->nframes = nframes; /* * Use environment VIDEO_PERFORMANCE_TEST to select different mode. * When doing performance test, video decoding and display are in different * threads and default display fps is controlled by cmd. Display will * show the frame immediately if user doesn't input fps with -a option. * This is different from normal unit test. */ test_mode = getenv("VIDEO_PERFORMANCE_TEST"); if (test_mode && !strcmp(test_mode, "1") && (dec->cmdl->dst_scheme == PATH_V4L2)) vpu_v4l_performance_test = 1; if (vpu_v4l_performance_test) { dec->disp = disp; sem_init(&disp->avaiable_decoding_frame, 0, dec->regfbcount - dec->minfbcount); sem_init(&disp->avaiable_dequeue_frame, 0, 0); pthread_mutex_init(&v4l_mutex, NULL); /* start v4l disp loop thread */ pthread_create(&(disp->v4l_disp_loop_thread), NULL, (void *)v4l_disp_loop_thread, (void *)dec); } return disp; err: close(fd); free(disp); return NULL; }
struct vpu_display* v4l_display_open(struct DecodingInstance *dec, int nframes, int w, int h, int x, int y) { int width = dec->picwidth; int height = dec->picheight; int fd = -1, err = 0, out = 0, i = 0; char v4l_device[32] = "/dev/video16"; struct v4l2_format fmt = {}; struct v4l2_requestbuffers reqbuf = {}; struct vpu_display *disp; int fd_fb; char *tv_mode; char motion_mode = 0; struct mxcfb_gbl_alpha alpha; if (cpu_is_mx27()) { out = 0; } else { out = 3; #ifdef BUILD_FOR_ANDROID fd_fb = open("/dev/graphics/fb0", O_RDWR, 0); #else fd_fb = open("/dev/fb0", O_RDWR, 0); #endif if (fd_fb < 0) { fputs("unable to open fb0\n", stderr); return NULL; } alpha.alpha = 0; alpha.enable = 1; if (ioctl(fd_fb, MXCFB_SET_GBL_ALPHA, &alpha) < 0) { fputs("set alpha blending failed\n", stderr); return NULL; } close(fd_fb); } tv_mode = getenv("VPU_TV_MODE"); if (tv_mode) { err = system("/bin/echo 1 > /sys/class/graphics/fb1/blank"); if (!strcmp(tv_mode, "NTSC")) { err = system("/bin/echo U:720x480i-60 > /sys/class/graphics/fb1/mode"); out = 5; } else if (!strcmp(tv_mode, "PAL")) { err = system("/bin/echo U:720x576i-50 > /sys/class/graphics/fb1/mode"); out = 5; } else if (!strcmp(tv_mode, "720P")) { err = system("/bin/echo U:1280x720p-60 > /sys/class/graphics/fb1/mode"); out = 5; } else { out = 3; fputs("VPU_TV_MODE should be set to NTSC, PAL, or 720P.\n" "\tDefault display is LCD if not set this environment " "or set wrong string.\n", stderr); } err = system("/bin/echo 0 > /sys/class/graphics/fb1/blank"); if (err == -1) { fputs("set tv mode error\n", stderr); } /* make sure tvout init done */ sleep(2); } disp = (struct vpu_display *)calloc(1, sizeof(struct vpu_display)); if (disp == NULL) { fputs("falied to allocate vpu_display\n", stderr); return NULL; } fd = open(v4l_device, O_RDWR, 0); if (fd < 0) { fprintf(stderr, "unable to open %s\n", v4l_device); goto err; } err = ioctl(fd, VIDIOC_S_OUTPUT, &out); if (err < 0) { fputs("VIDIOC_S_OUTPUT failed\n", stderr); goto err; } /* Set VDI motion algorithm. */ if (motion_mode) { struct v4l2_control ctrl; ctrl.id = V4L2_CID_MXC_MOTION; if (motion_mode == 'h') { ctrl.value = HIGH_MOTION; } else if (motion_mode == 'l') { ctrl.value = LOW_MOTION; } else if (motion_mode == 'm') { ctrl.value = MED_MOTION; } else { ctrl.value = MED_MOTION; } err = ioctl(fd, VIDIOC_S_CTRL, &ctrl); if (err < 0) { fputs("VIDIOC_S_CTRL failed\n", stderr); goto err; } } struct v4l2_control ctrl; ctrl.id = V4L2_CID_PRIVATE_BASE; ctrl.value = 0; err = ioctl(fd, VIDIOC_S_CTRL, &ctrl); if (err < 0) { fputs("VIDIOC_S_CTRL failed\n", stderr); goto err; } fmt.type = V4L2_BUF_TYPE_VIDEO_OUTPUT; /* * Just consider one case: * (top,left) = (0,0) */ fmt.fmt.pix.width = width; fmt.fmt.pix.height = height; fmt.fmt.pix.bytesperline = width; dprintf(1, "fmt.fmt.pix.width = %d\n\tfmt.fmt.pix.height = %d\n", fmt.fmt.pix.width, fmt.fmt.pix.height); fmt.fmt.pix.field = V4L2_FIELD_ANY; if(dec->mjpg_fmt == MODE420) fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV420; else if(dec->mjpg_fmt == MODE422) fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV422P; else { goto err; } err = ioctl(fd, VIDIOC_S_FMT, &fmt); if (err < 0) { goto err; } err = ioctl(fd, VIDIOC_G_FMT, &fmt); if (err < 0) { goto err; } reqbuf.type = V4L2_BUF_TYPE_VIDEO_OUTPUT; reqbuf.memory = V4L2_MEMORY_MMAP; reqbuf.count = nframes; err = ioctl(fd, VIDIOC_REQBUFS, &reqbuf); if (err < 0) { goto err; } if (reqbuf.count < nframes) { goto err; } for (i = 0; i < nframes; i++) { struct v4l2_buffer buffer = {0}; struct v4l_buf *buf; buf = calloc(1, sizeof(struct v4l_buf)); if (buf == NULL) { v4l_free_bufs(i, disp); goto err; } disp->buffers[i] = buf; buffer.type = V4L2_BUF_TYPE_VIDEO_OUTPUT; buffer.memory = V4L2_MEMORY_MMAP; buffer.index = i; err = ioctl(fd, VIDIOC_QUERYBUF, &buffer); if (err < 0) { v4l_free_bufs(i, disp); goto err; } buf->offset = buffer.m.offset; buf->length = buffer.length; dprintf(3, "V4L2buf phy addr: %08x, size = %d\n", (unsigned int)buf->offset, buf->length); buf->start = mmap(NULL, buffer.length, PROT_READ | PROT_WRITE, MAP_SHARED, fd, buffer.m.offset); if (buf->start == MAP_FAILED) { v4l_free_bufs(i, disp); goto err; } } disp->fd = fd; disp->nframes = nframes; /* * Use environment VIDEO_PERFORMANCE_TEST to select different mode. * When doing performance test, video decoding and display are in different * threads and default display fps is controlled by cmd. Display will * show the frame immediately if user doesn't input fps with -a option. * This is different from normal unit test. */ return disp; err: close(fd); free(disp); return NULL; }