From: Dikshita Agarwal <quic_dikshita@xxxxxxxxxxx>
Add helpers to calculate stride, scanline, buffer size
etc. for different media formats.
Signed-off-by: Dikshita Agarwal <quic_dikshita@xxxxxxxxxxx>
Signed-off-by: Vikash Garodia <quic_vgarodia@xxxxxxxxxxx>
---
.../platform/qcom/iris/vidc/inc/msm_media_info.h | 599 +++++++++++++++++++++
1 file changed, 599 insertions(+)
create mode 100644 drivers/media/platform/qcom/iris/vidc/inc/msm_media_info.h
diff --git a/drivers/media/platform/qcom/iris/vidc/inc/msm_media_info.h b/drivers/media/platform/qcom/iris/vidc/inc/msm_media_info.h
new file mode 100644
index 0000000..772b2482
--- /dev/null
+++ b/drivers/media/platform/qcom/iris/vidc/inc/msm_media_info.h
@@ -0,0 +1,599 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef __MSM_MEDIA_INFO_H__
+#define __MSM_MEDIA_INFO_H__
+
+#include "msm_vidc_internal.h"
+
+/* Width and Height should be multiple of 16 */
+#define INTERLACE_WIDTH_MAX 1920
+#define INTERLACE_HEIGHT_MAX 1920
+#define INTERLACE_MB_PER_FRAME_MAX ((1920 * 1088) / 256)
+
+#ifndef MSM_MEDIA_ALIGN
+#define MSM_MEDIA_ALIGN(__sz, __align) (((__align) & ((__align) - 1)) ?\
+ ((((__sz) + (__align) - 1) / (__align)) * (__align)) :\
+ (((__sz) + (__align) - 1) & (~((__align) - 1))))
+#endif
+
+#ifndef MSM_MEDIA_ROUNDUP
+#define MSM_MEDIA_ROUNDUP(__sz, __r) (((__sz) + ((__r) - 1)) / (__r))
+#endif
+
+/*
+ * Function arguments:
+ * @v4l2_fmt
+ * @width
+ * Progressive: width
+ * Interlaced: width
+ */
+static inline unsigned int video_y_stride_bytes(unsigned int colorformat,
+ unsigned int width)
+{
+ unsigned int alignment, stride = 0;
+
+ if (!width)
+ goto invalid_input;
+
+ switch (colorformat) {
+ case MSM_VIDC_FMT_NV12:
+ case MSM_VIDC_FMT_NV21:
+ case MSM_VIDC_FMT_NV12C:
+ alignment = 128;
+ stride = MSM_MEDIA_ALIGN(width, alignment);
+ break;
+ case MSM_VIDC_FMT_TP10C:
+ alignment = 256;
+ stride = MSM_MEDIA_ALIGN(width, 192);
+ stride = MSM_MEDIA_ALIGN(stride * 4 / 3, alignment);
+ break;
+ case MSM_VIDC_FMT_P010:
+ alignment = 256;
+ stride = MSM_MEDIA_ALIGN(width * 2, alignment);
+ break;
+ default:
+ break;
+ }
+invalid_input:
+ return stride;
+}
+
+/*
+ * Function arguments:
+ * @v4l2_fmt
+ * @width
+ * Progressive: width
+ * Interlaced: width
+ */
+static inline unsigned int video_y_stride_pix(unsigned int colorformat,
+ unsigned int width)
+{
+ unsigned int alignment, stride = 0;
+
+ if (!width)
+ goto invalid_input;
+
+ switch (colorformat) {
+ case MSM_VIDC_FMT_NV12:
+ case MSM_VIDC_FMT_NV21:
+ case MSM_VIDC_FMT_NV12C:
+ case MSM_VIDC_FMT_P010:
+ alignment = 128;
+ stride = MSM_MEDIA_ALIGN(width, alignment);
+ break;
+ case MSM_VIDC_FMT_TP10C:
+ alignment = 192;
+ stride = MSM_MEDIA_ALIGN(width, alignment);
+ break;
+ default:
+ break;
+ }
+
+invalid_input:
+ return stride;
+}
+
+/*
+ * Function arguments:
+ * @v4l2_fmt
+ * @width
+ * Progressive: width
+ * Interlaced: width
+ */
+static inline unsigned int video_uv_stride_bytes(unsigned int colorformat,
+ unsigned int width)
+{
+ unsigned int alignment, stride = 0;
+
+ if (!width)
+ goto invalid_input;
+
+ switch (colorformat) {
+ case MSM_VIDC_FMT_NV21:
+ case MSM_VIDC_FMT_NV12:
+ case MSM_VIDC_FMT_NV12C:
+ alignment = 128;
+ stride = MSM_MEDIA_ALIGN(width, alignment);
+ break;
+ case MSM_VIDC_FMT_TP10C:
+ alignment = 256;
+ stride = MSM_MEDIA_ALIGN(width, 192);
+ stride = MSM_MEDIA_ALIGN(stride * 4 / 3, alignment);
+ break;
+ case MSM_VIDC_FMT_P010:
+ alignment = 256;
+ stride = MSM_MEDIA_ALIGN(width * 2, alignment);
+ break;
+ default:
+ break;
+ }
+invalid_input:
+ return stride;
+}
+
+/*
+ * Function arguments:
+ * @v4l2_fmt
+ * @width
+ * Progressive: width
+ * Interlaced: width
+ */
+static inline unsigned int video_uv_stride_pix(unsigned int colorformat,
+ unsigned int width)
+{
+ unsigned int alignment, stride = 0;
+
+ if (!width)
+ goto invalid_input;
+
+ switch (colorformat) {
+ case MSM_VIDC_FMT_NV21:
+ case MSM_VIDC_FMT_NV12:
+ case MSM_VIDC_FMT_NV12C:
+ case MSM_VIDC_FMT_P010:
+ alignment = 128;
+ stride = MSM_MEDIA_ALIGN(width, alignment);
+ break;
+ case MSM_VIDC_FMT_TP10C:
+ alignment = 192;
+ stride = MSM_MEDIA_ALIGN(width, alignment);
+ break;
+ default:
+ break;
+ }
+invalid_input:
+ return stride;
+}
+
+/*
+ * Function arguments:
+ * @v4l2_fmt
+ * @height
+ * Progressive: height
+ * Interlaced: (height+1)>>1
+ */
+static inline unsigned int video_y_scanlines(unsigned int colorformat,
+ unsigned int height)
+{
+ unsigned int alignment, sclines = 0;
+
+ if (!height)
+ goto invalid_input;
+
+ switch (colorformat) {
+ case MSM_VIDC_FMT_NV12:
+ case MSM_VIDC_FMT_NV21:
+ case MSM_VIDC_FMT_NV12C:
+ case MSM_VIDC_FMT_P010:
+ alignment = 32;
+ break;
+ case MSM_VIDC_FMT_TP10C:
+ alignment = 16;
+ break;
+ default:
+ return 0;
+ }
+ sclines = MSM_MEDIA_ALIGN(height, alignment);
+invalid_input:
+ return sclines;
+}
+
+/*
+ * Function arguments:
+ * @v4l2_fmt
+ * @height
+ * Progressive: height
+ * Interlaced: (height+1)>>1
+ */
+static inline unsigned int video_uv_scanlines(unsigned int colorformat,
+ unsigned int height)
+{
+ unsigned int alignment, sclines = 0;
+
+ if (!height)
+ goto invalid_input;
+
+ switch (colorformat) {
+ case MSM_VIDC_FMT_NV21:
+ case MSM_VIDC_FMT_NV12:
+ case MSM_VIDC_FMT_TP10C:
+ case MSM_VIDC_FMT_P010:
+ alignment = 16;
+ break;
+ case MSM_VIDC_FMT_NV12C:
+ alignment = 32;
+ break;
+ default:
+ goto invalid_input;
+ }
+
+ sclines = MSM_MEDIA_ALIGN((height + 1) >> 1, alignment);
+
+invalid_input:
+ return sclines;
+}
+
+/*
+ * Function arguments:
+ * @v4l2_fmt
+ * @width
+ * Progressive: width
+ * Interlaced: width
+ */
+static inline unsigned int video_y_meta_stride(unsigned int colorformat,
+ unsigned int width)
+{
+ int y_tile_width = 0, y_meta_stride = 0;
+
+ if (!width)
+ goto invalid_input;
+
+ switch (colorformat) {
+ case MSM_VIDC_FMT_NV12C:
+ y_tile_width = 32;
+ break;
+ case MSM_VIDC_FMT_TP10C:
+ y_tile_width = 48;
+ break;
+ default:
+ goto invalid_input;
+ }
+
+ y_meta_stride = MSM_MEDIA_ROUNDUP(width, y_tile_width);
+ y_meta_stride = MSM_MEDIA_ALIGN(y_meta_stride, 64);
+
+invalid_input:
+ return y_meta_stride;
+}
+
+/*
+ * Function arguments:
+ * @v4l2_fmt
+ * @height
+ * Progressive: height
+ * Interlaced: (height+1)>>1
+ */
+static inline unsigned int video_y_meta_scanlines(unsigned int colorformat,
+ unsigned int height)
+{
+ int y_tile_height = 0, y_meta_scanlines = 0;
+
+ if (!height)
+ goto invalid_input;
+
+ switch (colorformat) {
+ case MSM_VIDC_FMT_NV12C:
+ y_tile_height = 8;
+ break;
+ case MSM_VIDC_FMT_TP10C:
+ y_tile_height = 4;
+ break;
+ default:
+ goto invalid_input;
+ }
+
+ y_meta_scanlines = MSM_MEDIA_ROUNDUP(height, y_tile_height);
+ y_meta_scanlines = MSM_MEDIA_ALIGN(y_meta_scanlines, 16);
+
+invalid_input:
+ return y_meta_scanlines;
+}
+
+/*
+ * Function arguments:
+ * @v4l2_fmt
+ * @width
+ * Progressive: width
+ * Interlaced: width
+ */
+static inline unsigned int video_uv_meta_stride(unsigned int colorformat,
+ unsigned int width)
+{
+ int uv_tile_width = 0, uv_meta_stride = 0;
+
+ if (!width)
+ goto invalid_input;
+
+ switch (colorformat) {
+ case MSM_VIDC_FMT_NV12C:
+ uv_tile_width = 16;
+ break;
+ case MSM_VIDC_FMT_TP10C:
+ uv_tile_width = 24;
+ break;
+ default:
+ goto invalid_input;
+ }
+
+ uv_meta_stride = MSM_MEDIA_ROUNDUP((width + 1) >> 1, uv_tile_width);
+ uv_meta_stride = MSM_MEDIA_ALIGN(uv_meta_stride, 64);
+
+invalid_input:
+ return uv_meta_stride;
+}
+
+/*
+ * Function arguments:
+ * @v4l2_fmt
+ * @height
+ * Progressive: height
+ * Interlaced: (height+1)>>1
+ */
+static inline unsigned int video_uv_meta_scanlines(unsigned int colorformat,
+ unsigned int height)
+{
+ int uv_tile_height = 0, uv_meta_scanlines = 0;
+
+ if (!height)
+ goto invalid_input;
+
+ switch (colorformat) {
+ case MSM_VIDC_FMT_NV12C:
+ uv_tile_height = 8;
+ break;
+ case MSM_VIDC_FMT_TP10C:
+ uv_tile_height = 4;
+ break;
+ default:
+ goto invalid_input;
+ }
+
+ uv_meta_scanlines = MSM_MEDIA_ROUNDUP((height + 1) >> 1, uv_tile_height);
+ uv_meta_scanlines = MSM_MEDIA_ALIGN(uv_meta_scanlines, 16);
+
+invalid_input:
+ return uv_meta_scanlines;
+}
+
+static inline unsigned int video_rgb_stride_bytes(unsigned int colorformat,
+ unsigned int width)
+{
+ unsigned int alignment = 0, stride = 0, bpp = 4;
+
+ if (!width)
+ goto invalid_input;
+
+ switch (colorformat) {
+ case MSM_VIDC_FMT_RGBA8888C:
+ case MSM_VIDC_FMT_RGBA8888:
+ alignment = 256;
+ break;
+ default:
+ goto invalid_input;
+ }
+
+ stride = MSM_MEDIA_ALIGN(width * bpp, alignment);
+
+invalid_input:
+ return stride;
+}
+
+static inline unsigned int video_rgb_stride_pix(unsigned int colorformat,
+ unsigned int width)
+{
+ unsigned int bpp = 4;
+
+ return video_rgb_stride_bytes(colorformat, width) / bpp;
+}
+
+static inline unsigned int video_rgb_scanlines(unsigned int colorformat,
+ unsigned int height)
+{
+ unsigned int alignment = 0, scanlines = 0;
+
+ if (!height)
+ goto invalid_input;
+
+ switch (colorformat) {
+ case MSM_VIDC_FMT_RGBA8888C:
+ alignment = 16;
+ break;
+ case MSM_VIDC_FMT_RGBA8888:
+ alignment = 32;
+ break;
+ default:
+ goto invalid_input;
+ }
+
+ scanlines = MSM_MEDIA_ALIGN(height, alignment);
+
+invalid_input:
+ return scanlines;
+}
+
+static inline unsigned int video_rgb_meta_stride(unsigned int colorformat,
+ unsigned int width)
+{
+ int rgb_tile_width = 0, rgb_meta_stride = 0;
+
+ if (!width)
+ goto invalid_input;
+
+ switch (colorformat) {
+ case MSM_VIDC_FMT_RGBA8888C:
+ case MSM_VIDC_FMT_RGBA8888:
+ rgb_tile_width = 16;
+ break;
+ default:
+ goto invalid_input;
+ }
+
+ rgb_meta_stride = MSM_MEDIA_ROUNDUP(width, rgb_tile_width);
+ rgb_meta_stride = MSM_MEDIA_ALIGN(rgb_meta_stride, 64);
+
+invalid_input:
+ return rgb_meta_stride;
+}
+
+static inline unsigned int video_rgb_meta_scanlines(unsigned int colorformat,
+ unsigned int height)
+{
+ int rgb_tile_height = 0, rgb_meta_scanlines = 0;
+
+ if (!height)
+ goto invalid_input;
+
+ switch (colorformat) {
+ case MSM_VIDC_FMT_RGBA8888C:
+ case MSM_VIDC_FMT_RGBA8888:
+ rgb_tile_height = 4;
+ break;
+ default:
+ goto invalid_input;
+ }
+
+ rgb_meta_scanlines = MSM_MEDIA_ROUNDUP(height, rgb_tile_height);
+ rgb_meta_scanlines = MSM_MEDIA_ALIGN(rgb_meta_scanlines, 16);
+
+invalid_input:
+ return rgb_meta_scanlines;
+}
+
+static inline unsigned int video_buffer_size(unsigned int colorformat, unsigned int pix_width,
+ unsigned int pix_height, unsigned int interlace)
+{
+ unsigned int size = 0;
+ unsigned int y_plane, uv_plane, y_stride,
+ uv_stride, y_sclines, uv_sclines;
+ unsigned int y_ubwc_plane = 0, uv_ubwc_plane = 0;
+ unsigned int y_meta_stride = 0, y_meta_scanlines = 0;
+ unsigned int uv_meta_stride = 0, uv_meta_scanlines = 0;
+ unsigned int y_meta_plane = 0, uv_meta_plane = 0;
+ unsigned int rgb_stride = 0, rgb_scanlines = 0;
+ unsigned int rgb_plane = 0, rgb_ubwc_plane = 0, rgb_meta_plane = 0;
+ unsigned int rgb_meta_stride = 0, rgb_meta_scanlines = 0;
+
+ if (!pix_width || !pix_height)
+ goto invalid_input;
+
+ y_stride = video_y_stride_bytes(colorformat, pix_width);
+ uv_stride = video_uv_stride_bytes(colorformat, pix_width);
+ y_sclines = video_y_scanlines(colorformat, pix_height);
+ uv_sclines = video_uv_scanlines(colorformat, pix_height);
+ rgb_stride = video_rgb_stride_bytes(colorformat, pix_width);
+ rgb_scanlines = video_rgb_scanlines(colorformat, pix_height);
+
+ switch (colorformat) {
+ case MSM_VIDC_FMT_NV21:
+ case MSM_VIDC_FMT_NV12:
+ case MSM_VIDC_FMT_P010:
+ y_plane = y_stride * y_sclines;
+ uv_plane = uv_stride * uv_sclines;
+ size = y_plane + uv_plane;
+ break;
+ case MSM_VIDC_FMT_NV12C:
+ y_meta_stride = video_y_meta_stride(colorformat, pix_width);
+ uv_meta_stride = video_uv_meta_stride(colorformat, pix_width);
+ if (!interlace && colorformat == MSM_VIDC_FMT_NV12C) {
+ y_ubwc_plane = MSM_MEDIA_ALIGN(y_stride * y_sclines, 4096);
+ uv_ubwc_plane = MSM_MEDIA_ALIGN(uv_stride * uv_sclines, 4096);
+ y_meta_scanlines =
+ video_y_meta_scanlines(colorformat, pix_height);
+ y_meta_plane = MSM_MEDIA_ALIGN(y_meta_stride * y_meta_scanlines, 4096);
+ uv_meta_scanlines =
+ video_uv_meta_scanlines(colorformat, pix_height);
+ uv_meta_plane = MSM_MEDIA_ALIGN(uv_meta_stride *
+ uv_meta_scanlines, 4096);
+ size = (y_ubwc_plane + uv_ubwc_plane + y_meta_plane +
+ uv_meta_plane);
+ } else {
+ if (pix_width <= INTERLACE_WIDTH_MAX &&
+ pix_height <= INTERLACE_HEIGHT_MAX &&
+ (pix_height * pix_width) / 256 <= INTERLACE_MB_PER_FRAME_MAX) {
+ y_sclines =
+ video_y_scanlines(colorformat, (pix_height + 1) >> 1);
+ y_ubwc_plane =
+ MSM_MEDIA_ALIGN(y_stride * y_sclines, 4096);
+ uv_sclines =
+ video_uv_scanlines(colorformat, (pix_height + 1) >> 1);
+ uv_ubwc_plane =
+ MSM_MEDIA_ALIGN(uv_stride * uv_sclines, 4096);
+ y_meta_scanlines =
+ video_y_meta_scanlines(colorformat, (pix_height + 1) >> 1);
+ y_meta_plane = MSM_MEDIA_ALIGN(y_meta_stride * y_meta_scanlines,
+ 4096);
+ uv_meta_scanlines =
+ video_uv_meta_scanlines(colorformat, (pix_height + 1) >> 1);
+ uv_meta_plane = MSM_MEDIA_ALIGN(uv_meta_stride *
+ uv_meta_scanlines, 4096);
+ size = (y_ubwc_plane + uv_ubwc_plane + y_meta_plane +
+ uv_meta_plane) * 2;
+ } else {
+ y_sclines = video_y_scanlines(colorformat, pix_height);
+ y_ubwc_plane =
+ MSM_MEDIA_ALIGN(y_stride * y_sclines, 4096);
+ uv_sclines = video_uv_scanlines(colorformat, pix_height);
+ uv_ubwc_plane =
+ MSM_MEDIA_ALIGN(uv_stride * uv_sclines, 4096);
+ y_meta_scanlines =
+ video_y_meta_scanlines(colorformat, pix_height);
+ y_meta_plane = MSM_MEDIA_ALIGN(y_meta_stride * y_meta_scanlines,
+ 4096);
+ uv_meta_scanlines =
+ video_uv_meta_scanlines(colorformat, pix_height);
+ uv_meta_plane = MSM_MEDIA_ALIGN(uv_meta_stride *
+ uv_meta_scanlines, 4096);
+ size = (y_ubwc_plane + uv_ubwc_plane + y_meta_plane +
+ uv_meta_plane);
+ }
+ }
+ break;
+ case MSM_VIDC_FMT_TP10C:
+ y_ubwc_plane = MSM_MEDIA_ALIGN(y_stride * y_sclines, 4096);
+ uv_ubwc_plane = MSM_MEDIA_ALIGN(uv_stride * uv_sclines, 4096);
+ y_meta_stride = video_y_meta_stride(colorformat, pix_width);
+ y_meta_scanlines = video_y_meta_scanlines(colorformat, pix_height);
+ y_meta_plane = MSM_MEDIA_ALIGN(y_meta_stride * y_meta_scanlines, 4096);
+ uv_meta_stride = video_uv_meta_stride(colorformat, pix_width);
+ uv_meta_scanlines = video_uv_meta_scanlines(colorformat, pix_height);
+ uv_meta_plane = MSM_MEDIA_ALIGN(uv_meta_stride *
+ uv_meta_scanlines, 4096);
+
+ size = y_ubwc_plane + uv_ubwc_plane + y_meta_plane +
+ uv_meta_plane;
+ break;
+ case MSM_VIDC_FMT_RGBA8888C:
+ rgb_ubwc_plane = MSM_MEDIA_ALIGN(rgb_stride * rgb_scanlines, 4096);
+ rgb_meta_stride = video_rgb_meta_stride(colorformat, pix_width);
+ rgb_meta_scanlines = video_rgb_meta_scanlines(colorformat, pix_height);
+ rgb_meta_plane = MSM_MEDIA_ALIGN(rgb_meta_stride * rgb_meta_scanlines, 4096);
+ size = rgb_ubwc_plane + rgb_meta_plane;
+ break;
+ case MSM_VIDC_FMT_RGBA8888:
+ rgb_plane = MSM_MEDIA_ALIGN(rgb_stride * rgb_scanlines, 4096);
+ size = rgb_plane;
+ break;
+ default:
+ break;
+ }
+
+invalid_input:
+ size = MSM_MEDIA_ALIGN(size, 4096);
+ return size;
+}
+
+#endif
--
2.7.4
