[v2,13/18] media: mtk-vcodec: venc: use platform data for ENUM_FRAMESIZES
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Message ID 20200626080442.292309-14-acourbot@chromium.org
State New
Headers show
Series
  • media: mtk-vcodec: venc: support for MT8183 and v4l2-compliance fixes
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Commit Message

Alexandre Courbot June 26, 2020, 8:04 a.m. UTC
vidioc_enum_framesizes() assumes that all encoders support H.264 and VP8,
which is not necessarily true and requires to duplicate information about
the supported codecs which is already stored in the platform data.

Fix this by referring to the platform data to find out whether a given
format is supported. Since the supported sizes are all the same
regardless of the format, we can then return a copy of a static value if
the format is supported.

Signed-off-by: Alexandre Courbot <acourbot@chromium.org>
---
 .../platform/mtk-vcodec/mtk_vcodec_enc.c      | 24 ++++++++-----------
 1 file changed, 10 insertions(+), 14 deletions(-)

Patch
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diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
index 1a981d842c19..f8d4fbe927f9 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
@@ -26,17 +26,9 @@ 
 
 static void mtk_venc_worker(struct work_struct *work);
 
-static const struct mtk_codec_framesizes mtk_venc_framesizes[] = {
-	{
-		.fourcc	= V4L2_PIX_FMT_H264,
-		.stepwise = { MTK_VENC_MIN_W, MTK_VENC_MAX_W, 16,
-			      MTK_VENC_MIN_H, MTK_VENC_MAX_H, 16 },
-	},
-	{
-		.fourcc = V4L2_PIX_FMT_VP8,
-		.stepwise = { MTK_VENC_MIN_W, MTK_VENC_MAX_W, 16,
-			      MTK_VENC_MIN_H, MTK_VENC_MAX_H, 16 },
-	},
+static const struct v4l2_frmsize_stepwise mtk_venc_framesizes = {
+	MTK_VENC_MIN_W, MTK_VENC_MAX_W, 16,
+	MTK_VENC_MIN_H, MTK_VENC_MAX_H, 16,
 };
 
 #define NUM_SUPPORTED_FRAMESIZE ARRAY_SIZE(mtk_venc_framesizes)
@@ -134,17 +126,21 @@  static int vidioc_enum_fmt(struct v4l2_fmtdesc *f,
 static int vidioc_enum_framesizes(struct file *file, void *fh,
 				  struct v4l2_frmsizeenum *fsize)
 {
+	const struct mtk_vcodec_enc_pdata *pdata =
+		fh_to_ctx(fh)->dev->venc_pdata;
 	int i = 0;
 
 	if (fsize->index != 0)
 		return -EINVAL;
 
-	for (i = 0; i < NUM_SUPPORTED_FRAMESIZE; ++i) {
-		if (fsize->pixel_format != mtk_venc_framesizes[i].fourcc)
+	for (i = 0; i < pdata->num_capture_formats; ++i) {
+		const struct mtk_video_fmt *fmt = &pdata->capture_formats[i];
+
+		if (fsize->pixel_format != fmt->fourcc)
 			continue;
 
 		fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
-		fsize->stepwise = mtk_venc_framesizes[i].stepwise;
+		fsize->stepwise = mtk_venc_framesizes;
 		return 0;
 	}