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bool jpeg_parse_error; + const struct mxc_jpeg_fmt *fmt; + int w; + int h; }; static inline struct mxc_jpeg_src_buf *vb2_to_mxc_buf(struct vb2_buffer *vb) @@ -327,6 +330,9 @@ static unsigned int debug; module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "Debug level (0-3)"); +static void mxc_jpeg_bytesperline(struct mxc_jpeg_q_data *q, u32 precision); +static void mxc_jpeg_sizeimage(struct mxc_jpeg_q_data *q); + static void _bswap16(u16 *a) { *a = ((*a & 0x00FF) << 8) | ((*a & 0xFF00) >> 8); @@ -922,6 +928,59 @@ static void mxc_jpeg_config_enc_desc(struct vb2_buffer *out_buf, mxc_jpeg_set_desc(cfg_desc_handle, reg, slot); } +static bool mxc_jpeg_source_change(struct mxc_jpeg_ctx *ctx, + struct mxc_jpeg_src_buf *jpeg_src_buf) +{ + struct device *dev = ctx->mxc_jpeg->dev; + struct mxc_jpeg_q_data *q_data_cap; + bool src_chg = false; + + if (!jpeg_src_buf->fmt) + return src_chg; + + q_data_cap = mxc_jpeg_get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); + if (q_data_cap->w != jpeg_src_buf->w || q_data_cap->h != jpeg_src_buf->h) { + dev_dbg(dev, "Detected jpeg res=(%dx%d)->(%dx%d), pixfmt=%c%c%c%c\n", + q_data_cap->w, q_data_cap->h, + jpeg_src_buf->w, jpeg_src_buf->h, + (jpeg_src_buf->fmt->fourcc & 0xff), + (jpeg_src_buf->fmt->fourcc >> 8) & 0xff, + (jpeg_src_buf->fmt->fourcc >> 16) & 0xff, + (jpeg_src_buf->fmt->fourcc >> 24) & 0xff); + + /* + * set-up the capture queue with the pixelformat and resolution + * detected from the jpeg output stream + */ + q_data_cap->w = jpeg_src_buf->w; + q_data_cap->h = jpeg_src_buf->h; + q_data_cap->fmt = jpeg_src_buf->fmt; + q_data_cap->w_adjusted = q_data_cap->w; + q_data_cap->h_adjusted = q_data_cap->h; + + /* + * align up the resolution for CAST IP, + * but leave the buffer resolution unchanged + */ + v4l_bound_align_image(&q_data_cap->w_adjusted, + q_data_cap->w_adjusted, /* adjust up */ + MXC_JPEG_MAX_WIDTH, + q_data_cap->fmt->h_align, + &q_data_cap->h_adjusted, + q_data_cap->h_adjusted, /* adjust up */ + MXC_JPEG_MAX_HEIGHT, + q_data_cap->fmt->v_align, + 0); + + /* setup bytesperline/sizeimage for capture queue */ + mxc_jpeg_bytesperline(q_data_cap, jpeg_src_buf->fmt->precision); + mxc_jpeg_sizeimage(q_data_cap); + notify_src_chg(ctx); + src_chg = true; + } + return src_chg; +} + static void mxc_jpeg_device_run(void *priv) { struct mxc_jpeg_ctx *ctx = priv; @@ -1209,8 +1268,7 @@ static u32 mxc_jpeg_get_image_format(struct device *dev, return fourcc; } -static void mxc_jpeg_bytesperline(struct mxc_jpeg_q_data *q, - u32 precision) +static void mxc_jpeg_bytesperline(struct mxc_jpeg_q_data *q, u32 precision) { /* Bytes distance between the leftmost pixels in two adjacent lines */ if (q->fmt->fourcc == V4L2_PIX_FMT_JPEG) { @@ -1261,9 +1319,7 @@ static void mxc_jpeg_sizeimage(struct mxc_jpeg_q_data *q) static int mxc_jpeg_parse(struct mxc_jpeg_ctx *ctx, struct vb2_buffer *vb) { struct device *dev = ctx->mxc_jpeg->dev; - struct mxc_jpeg_q_data *q_data_out, *q_data_cap; - enum v4l2_buf_type cap_type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; - bool src_chg = false; + struct mxc_jpeg_q_data *q_data_out; u32 fourcc; struct v4l2_jpeg_header header; struct mxc_jpeg_sof *psof = NULL; @@ -1331,51 +1387,11 @@ static int mxc_jpeg_parse(struct mxc_jpeg_ctx *ctx, struct vb2_buffer *vb) if (fourcc == 0) return -EINVAL; - /* - * set-up the capture queue with the pixelformat and resolution - * detected from the jpeg output stream - */ - q_data_cap = mxc_jpeg_get_q_data(ctx, cap_type); - if (q_data_cap->w != header.frame.width || - q_data_cap->h != header.frame.height) - src_chg = true; - q_data_cap->w = header.frame.width; - q_data_cap->h = header.frame.height; - q_data_cap->fmt = mxc_jpeg_find_format(ctx, fourcc); - q_data_cap->w_adjusted = q_data_cap->w; - q_data_cap->h_adjusted = q_data_cap->h; - /* - * align up the resolution for CAST IP, - * but leave the buffer resolution unchanged - */ - v4l_bound_align_image(&q_data_cap->w_adjusted, - q_data_cap->w_adjusted, /* adjust up */ - MXC_JPEG_MAX_WIDTH, - q_data_cap->fmt->h_align, - &q_data_cap->h_adjusted, - q_data_cap->h_adjusted, /* adjust up */ - MXC_JPEG_MAX_HEIGHT, - q_data_cap->fmt->v_align, - 0); - dev_dbg(dev, "Detected jpeg res=(%dx%d)->(%dx%d), pixfmt=%c%c%c%c\n", - q_data_cap->w, q_data_cap->h, - q_data_cap->w_adjusted, q_data_cap->h_adjusted, - (fourcc & 0xff), - (fourcc >> 8) & 0xff, - (fourcc >> 16) & 0xff, - (fourcc >> 24) & 0xff); - - /* setup bytesperline/sizeimage for capture queue */ - mxc_jpeg_bytesperline(q_data_cap, q_data_cap->fmt->precision); - mxc_jpeg_sizeimage(q_data_cap); + jpeg_src_buf->fmt = mxc_jpeg_find_format(ctx, fourcc); + jpeg_src_buf->w = header.frame.width; + jpeg_src_buf->h = header.frame.height; - /* - * if the CAPTURE format was updated with new values, regardless of - * whether they match the values set by the client or not, signal - * a source change event - */ - if (src_chg) - notify_src_chg(ctx); + mxc_jpeg_source_change(ctx, jpeg_src_buf); return 0; } -- 2.33.0