diff options
Diffstat (limited to 'yavta.c')
| -rw-r--r-- | yavta.c | 99 |
1 files changed, 68 insertions, 31 deletions
@@ -86,11 +86,57 @@ static const char *v4l2_buf_type_name(enum v4l2_buf_type type) return "Unknown"; } -static const char *v4l2_fourcc_name(unsigned int fourcc) +#ifndef V4L2_PIX_FMT_SGRBG8 /* 2.6.31 */ +#define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') +#endif +#ifndef V4L2_PIX_FMT_SRGGB8 /* 2.6.33 */ +#define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') +#define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') +#define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') +#define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') +#endif +#ifndef V4L2_PIX_FMT_SBGGR12 /* 2.6.39 */ +#define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') +#define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') +#define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') +#define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') +#endif + +static struct { + const char *name; + unsigned int fourcc; +} pixel_formats[] = { + { "Y8", V4L2_PIX_FMT_GREY }, + { "Y16", V4L2_PIX_FMT_Y16 }, + { "YUYV", V4L2_PIX_FMT_YUYV }, + { "UYVY", V4L2_PIX_FMT_UYVY }, + { "SBGGR8", V4L2_PIX_FMT_SBGGR8 }, + { "SGBRG8", V4L2_PIX_FMT_SGBRG8 }, + { "SGRBG8", V4L2_PIX_FMT_SGRBG8 }, + { "SRGGB8", V4L2_PIX_FMT_SRGGB8 }, + { "SGRBG10_DPCM8", V4L2_PIX_FMT_SGRBG10DPCM8 }, + { "SBGGR10", V4L2_PIX_FMT_SBGGR10 }, + { "SGBRG10", V4L2_PIX_FMT_SGBRG10 }, + { "SGRBG10", V4L2_PIX_FMT_SGRBG10 }, + { "SRGGB10", V4L2_PIX_FMT_SRGGB10 }, + { "SBGGR12", V4L2_PIX_FMT_SBGGR12 }, + { "SGBRG12", V4L2_PIX_FMT_SGBRG12 }, + { "SGRBG12", V4L2_PIX_FMT_SGRBG12 }, + { "SRGGB12", V4L2_PIX_FMT_SRGGB12 }, + { "DV", V4L2_PIX_FMT_DV }, + { "MJPEG", V4L2_PIX_FMT_MJPEG }, +}; + +static const char *v4l2_format_name(unsigned int fourcc) { static char name[5]; unsigned int i; + for (i = 0; i < ARRAY_SIZE(pixel_formats); ++i) { + if (pixel_formats[i].fourcc == fourcc) + return pixel_formats[i].name; + } + for (i = 0; i < 4; ++i) { name[i] = fourcc & 0xff; fourcc >>= 8; @@ -100,6 +146,18 @@ static const char *v4l2_fourcc_name(unsigned int fourcc) return name; } +static unsigned int v4l2_format_code(const char *name) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(pixel_formats); ++i) { + if (strcasecmp(pixel_formats[i].name, name) == 0) + return pixel_formats[i].fourcc; + } + + return 0; +} + static int video_open(struct device *dev, const char *devname, int no_query) { struct v4l2_capability cap; @@ -210,13 +268,9 @@ static int video_get_format(struct device *dev) dev->bytesperline = fmt.fmt.pix.bytesperline; dev->imagesize = fmt.fmt.pix.bytesperline ? fmt.fmt.pix.sizeimage : 0; - printf("Video format: %c%c%c%c (%08x) %ux%u\n", - (fmt.fmt.pix.pixelformat >> 0) & 0xff, - (fmt.fmt.pix.pixelformat >> 8) & 0xff, - (fmt.fmt.pix.pixelformat >> 16) & 0xff, - (fmt.fmt.pix.pixelformat >> 24) & 0xff, - fmt.fmt.pix.pixelformat, - fmt.fmt.pix.width, fmt.fmt.pix.height); + printf("Video format: %s (%08x) %ux%u buffer size %u\n", + v4l2_format_name(fmt.fmt.pix.pixelformat), fmt.fmt.pix.pixelformat, + fmt.fmt.pix.width, fmt.fmt.pix.height, fmt.fmt.pix.sizeimage); return 0; } @@ -239,7 +293,8 @@ static int video_set_format(struct device *dev, unsigned int w, unsigned int h, return ret; } - printf("Video format set: width: %u height: %u buffer size: %u\n", + printf("Video format set: %s (%08x) %ux%u buffer size %u\n", + v4l2_format_name(fmt.fmt.pix.pixelformat), fmt.fmt.pix.pixelformat, fmt.fmt.pix.width, fmt.fmt.pix.height, fmt.fmt.pix.sizeimage); return 0; } @@ -634,6 +689,7 @@ static void video_enum_frame_sizes(struct device *dev, __u32 pixelformat) } } } + static void video_enum_formats(struct device *dev, enum v4l2_buf_type type) { struct v4l2_fmtdesc fmt; @@ -656,7 +712,7 @@ static void video_enum_formats(struct device *dev, enum v4l2_buf_type type) "%u.\n", fmt.type); printf("\tFormat %u: %s (%08x)\n", i, - v4l2_fourcc_name(fmt.pixelformat), fmt.pixelformat); + v4l2_format_name(fmt.pixelformat), fmt.pixelformat); printf("\tType: %s (%u)\n", v4l2_buf_type_name(fmt.type), fmt.type); printf("\tName: %.32s\n", fmt.description); @@ -1053,27 +1109,8 @@ int main(int argc, char *argv[]) break; case 'f': do_set_format = 1; - if (strcasecmp(optarg, "MJPEG") == 0) - pixelformat = V4L2_PIX_FMT_MJPEG; - else if (strcasecmp(optarg, "YUYV") == 0) - pixelformat = V4L2_PIX_FMT_YUYV; - else if (strcasecmp(optarg, "UYVY") == 0) - pixelformat = V4L2_PIX_FMT_UYVY; - else if (strcasecmp(optarg, "Y16") == 0) - pixelformat = V4L2_PIX_FMT_Y16; - else if (strcasecmp(optarg, "Y8") == 0) - pixelformat = V4L2_PIX_FMT_GREY; - else if (strcasecmp(optarg, "SGRBG10_DPMC8") == 0) - pixelformat = V4L2_PIX_FMT_SGRBG10DPCM8; - else if (strcasecmp(optarg, "SGRBG10") == 0) - pixelformat = V4L2_PIX_FMT_SGRBG10; -#ifdef V4L2_PIX_FMT_SGRBG12 - else if (strcasecmp(optarg, "SGRBG12") == 0) - pixelformat = V4L2_PIX_FMT_SGRBG12; -#endif - else if (strcasecmp(optarg, "DV") == 0) - pixelformat = V4L2_PIX_FMT_DV; - else { + pixelformat = v4l2_format_code(optarg); + if (pixelformat == 0) { printf("Unsupported video format '%s'\n", optarg); return 1; } |