[COMMON] media: mfc: check max/min resoltion for encoder

- Encoder max resolution
HEVC(422), BPG: 65536x8192 or 8192x65536
HEVC(420), H.264, VP8: 8192x8192
VP9: 4096x8192
MPEG4: 2048x2048
H.263: 2048x1152
- Encoder min resolution
HEVC, BPG, VP9: 64x64
H.264, VP8, MPEG4, H.263: 32x32

Change-Id: I8718b609b02c854360a70abfcfe8570b66846bc0
Signed-off-by: Jeonghee Kim <jhhhh.kim@samsung.com>

diff --git a/drivers/media/platform/exynos/mfc/s5p_mfc_enc.c b/drivers/media/platform/exynos/mfc/s5p_mfc_enc.c
index 04636fd033011040b6a66ac98d219dab4cbeadd5..281cf8021c47ba261b990b452253e58a11488b72 100644 (file)
--- a/drivers/media/platform/exynos/mfc/s5p_mfc_enc.c
+++ b/drivers/media/platform/exynos/mfc/s5p_mfc_enc.c
@@ -290,6 +290,94 @@ static void mfc_enc_check_format(struct s5p_mfc_ctx *ctx)
        mfc_debug(2, "[FRAME] 10bit: %d, 422: %d\n", ctx->is_10bit, ctx->is_422);
 }
 
+static int mfc_enc_check_resolution(struct s5p_mfc_ctx *ctx)
+{
+       int max_width = 0, max_height = 0, min_width = 0, min_height = 0, swap_check = 0;
+
+       /* Check max resolution */
+       switch (ctx->codec_mode) {
+       case S5P_FIMV_CODEC_HEVC_ENC:
+               if (ctx->is_422) {
+                       max_width = 65536;
+                       max_height = 8192;
+                       swap_check = 1;
+               } else {
+                       max_width = 8192;
+                       max_height = 8192;
+               }
+               break;
+       case S5P_FIMV_CODEC_BPG_ENC:
+               max_width = 65536;
+               max_height = 8192;
+               swap_check = 1;
+               break;
+       case S5P_FIMV_CODEC_H264_ENC:
+       case S5P_FIMV_CODEC_VP8_ENC:
+               max_width = 8192;
+               max_height = 8192;
+               break;
+       case S5P_FIMV_CODEC_VP9_ENC:
+               max_width = 4096;
+               max_height = 8192;
+               break;
+       case S5P_FIMV_CODEC_MPEG4_ENC:
+               max_width = 2048;
+               max_height = 2048;
+               break;
+       case S5P_FIMV_CODEC_H263_ENC:
+               max_width = 2048;
+               max_height = 1152;
+               break;
+       default:
+               mfc_err_ctx("Not supported codec(%d)\n", ctx->codec_mode);
+               return -EINVAL;
+       }
+
+       if (swap_check) {
+               if (!((ctx->crop_width < max_width && ctx->crop_height < max_height) ||
+                               (ctx->crop_width < max_height && ctx->crop_height < max_width))) {
+                       mfc_err_ctx("Resolution is too big(%dx%d > %dxi%d or %dx%d\n",
+                                       ctx->crop_width, ctx->crop_height, max_width, max_height,
+                                       max_height, max_width);
+                       return -EINVAL;
+               }
+       } else {
+               if (ctx->crop_width > max_width || ctx->crop_height > max_height) {
+                       mfc_err_ctx("Resolution is too big(%dx%d > %dx%d)\n",
+                                       ctx->crop_width, ctx->crop_height, max_width, max_height);
+                       return -EINVAL;
+               }
+       }
+
+       /* Check min resolution */
+       switch (ctx->codec_mode) {
+       case S5P_FIMV_CODEC_HEVC_ENC:
+       case S5P_FIMV_CODEC_BPG_ENC:
+       case S5P_FIMV_CODEC_VP9_ENC:
+               min_width = 64;
+               min_height = 64;
+               break;
+       case S5P_FIMV_CODEC_H264_ENC:
+       case S5P_FIMV_CODEC_VP8_ENC:
+       case S5P_FIMV_CODEC_MPEG4_ENC:
+       case S5P_FIMV_CODEC_H263_ENC:
+               min_width = 32;
+               min_height = 32;
+               break;
+       default:
+               mfc_err_ctx("Not supported codec(%d)\n", ctx->codec_mode);
+               return -EINVAL;
+       }
+
+       if (ctx->crop_width < min_width || ctx->crop_height < min_height) {
+               mfc_err_ctx("Resolution is too small(%dx%d < %dx%d)\n",
+                               ctx->crop_width, ctx->crop_height, min_width, min_height);
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
 static int vidioc_s_fmt_vid_cap_mplane(struct file *file, void *priv,
                                                        struct v4l2_format *f)
 {
@@ -316,6 +404,11 @@ static int vidioc_s_fmt_vid_cap_mplane(struct file *file, void *priv,
        mfc_info_ctx("[STREAM] Enc dst codec(%d) : %s\n",
                        ctx->codec_mode, ctx->dst_fmt->name);
 
+       if (mfc_enc_check_resolution(ctx)) {
+               mfc_err_ctx("Unsupported resolution\n");
+               return -EINVAL;
+       }
+
        if (ctx->otf_handle) {
                if (ctx->dst_fmt->fourcc != V4L2_PIX_FMT_H264 &&
                                ctx->dst_fmt->fourcc != V4L2_PIX_FMT_HEVC) {