diff options
Diffstat (limited to 'yavta.c')
| -rw-r--r-- | yavta.c | 68 |
1 files changed, 37 insertions, 31 deletions
@@ -71,8 +71,6 @@ struct device unsigned int width; unsigned int height; - unsigned int bytesperline; - unsigned int imagesize; unsigned char num_planes; struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; @@ -428,8 +426,6 @@ static int video_get_format(struct device *dev) } else { dev->width = fmt.fmt.pix.width; dev->height = fmt.fmt.pix.height; - dev->bytesperline = fmt.fmt.pix.bytesperline; - dev->imagesize = fmt.fmt.pix.bytesperline ? fmt.fmt.pix.sizeimage : 0; dev->num_planes = 1; dev->plane_fmt[0].bytesperline = fmt.fmt.pix.bytesperline; @@ -1252,35 +1248,50 @@ static int video_prepare_capture(struct device *dev, int nbufs, unsigned int off return 0; } -static void video_verify_buffer(struct device *dev, int index) +static void video_verify_buffer(struct device *dev, struct v4l2_buffer *buf) { - struct buffer *buffer = &dev->buffers[index]; - const uint8_t *data = buffer->mem[0] + buffer->size[0]; - unsigned int errors = 0; - unsigned int dirty = 0; + struct buffer *buffer = &dev->buffers[buf->index]; + unsigned int plane; unsigned int i; - if (buffer->padding[0] == 0) - return; + for (plane = 0; plane < dev->num_planes; ++plane) { + const uint8_t *data = buffer->mem[plane] + buffer->size[plane]; + unsigned int errors = 0; + unsigned int dirty = 0; + unsigned int length; + + if (video_is_mplane(dev)) + length = buf->m.planes[plane].bytesused; + else + length = buf->bytesused; - for (i = 0; i < buffer->padding[0]; ++i) { - if (data[i] != 0x55) { - errors++; - dirty = i + 1; + if (dev->plane_fmt[plane].sizeimage && + dev->plane_fmt[plane].sizeimage != length) + printf("Warning: bytes used %u != image size %u for plane %u\n", + length, dev->plane_fmt[plane].sizeimage, plane); + + if (buffer->padding[plane] == 0) + continue; + + for (i = 0; i < buffer->padding[plane]; ++i) { + if (data[i] != 0x55) { + errors++; + dirty = i + 1; + } } - } - if (errors) { - printf("Warning: %u bytes overwritten among %u first padding bytes\n", - errors, dirty); + if (errors) { + printf("Warning: %u bytes overwritten among %u first padding bytes for plane %u\n", + errors, dirty, plane); - dirty = (dirty + 15) & ~15; - dirty = dirty > 32 ? 32 : dirty; + dirty = (dirty + 15) & ~15; + dirty = dirty > 32 ? 32 : dirty; - for (i = 0; i < dirty; ++i) { - printf("%02x ", data[i]); - if (i % 16 == 15) - printf("\n"); + for (i = 0; i < dirty; ++i) { + printf("%02x ", data[i]); + if (i % 16 == 15) + printf("\n"); + } } } } @@ -1384,13 +1395,8 @@ static int video_do_capture(struct device *dev, unsigned int nframes, video_buffer_fill_userptr(dev, &dev->buffers[i], &buf); } - if (dev->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && - dev->imagesize != 0 && buf.bytesused != dev->imagesize) - printf("Warning: bytes used %u != image size %u\n", - buf.bytesused, dev->imagesize); - if (video_is_capture(dev)) - video_verify_buffer(dev, buf.index); + video_verify_buffer(dev, &buf); size += buf.bytesused; |