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path: root/drivers/media/platform/vicodec/codec-v4l2-fwht.h
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Diffstat (limited to 'drivers/media/platform/vicodec/codec-v4l2-fwht.h')
-rw-r--r--drivers/media/platform/vicodec/codec-v4l2-fwht.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/media/platform/vicodec/codec-v4l2-fwht.h b/drivers/media/platform/vicodec/codec-v4l2-fwht.h
new file mode 100644
index 000000000000..162465b78067
--- /dev/null
+++ b/drivers/media/platform/vicodec/codec-v4l2-fwht.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: LGPL-2.1 */
+/*
+ * Copyright 2018 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
+ */
+
+#ifndef CODEC_V4L2_FWHT_H
+#define CODEC_V4L2_FWHT_H
+
+#include "codec-fwht.h"
+
+struct v4l2_fwht_pixfmt_info {
+ u32 id;
+ unsigned int bytesperline_mult;
+ unsigned int sizeimage_mult;
+ unsigned int sizeimage_div;
+ unsigned int luma_step;
+ unsigned int chroma_step;
+ /* Chroma plane subsampling */
+ unsigned int width_div;
+ unsigned int height_div;
+};
+
+struct v4l2_fwht_state {
+ const struct v4l2_fwht_pixfmt_info *info;
+ unsigned int width;
+ unsigned int height;
+ unsigned int gop_size;
+ unsigned int gop_cnt;
+ u16 i_frame_qp;
+ u16 p_frame_qp;
+
+ enum v4l2_colorspace colorspace;
+ enum v4l2_ycbcr_encoding ycbcr_enc;
+ enum v4l2_xfer_func xfer_func;
+ enum v4l2_quantization quantization;
+
+ struct fwht_raw_frame ref_frame;
+ u8 *compressed_frame;
+};
+
+const struct v4l2_fwht_pixfmt_info *v4l2_fwht_find_pixfmt(u32 pixelformat);
+const struct v4l2_fwht_pixfmt_info *v4l2_fwht_get_pixfmt(u32 idx);
+
+int v4l2_fwht_encode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out);
+int v4l2_fwht_decode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out);
+
+#endif