From: Sidraya <sidraya.bj@xxxxxxxxxxxxxxxxxxx> This library handles picture buffer pixel format checking and layout conversion to suit HW requirements. Signed-off-by: Sunita Nadampalli <sunitan@xxxxxx> Signed-off-by: Sidraya <sidraya.bj@xxxxxxxxxxxxxxxxxxx> --- MAINTAINERS | 3 + .../staging/media/vxd/decoder/vdecdd_utils.c | 95 ++ .../staging/media/vxd/decoder/vdecdd_utils.h | 93 ++ .../media/vxd/decoder/vdecdd_utils_buf.c | 897 ++++++++++++++++++ 4 files changed, 1088 insertions(+) create mode 100644 drivers/staging/media/vxd/decoder/vdecdd_utils.c create mode 100644 drivers/staging/media/vxd/decoder/vdecdd_utils.h create mode 100644 drivers/staging/media/vxd/decoder/vdecdd_utils_buf.c diff --git a/MAINTAINERS b/MAINTAINERS index bf47d48a1ec2..c7edc60f4d5b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -19614,6 +19614,9 @@ F: drivers/staging/media/vxd/decoder/translation_api.h F: drivers/staging/media/vxd/decoder/vdec_defs.h F: drivers/staging/media/vxd/decoder/vdec_mmu_wrapper.c F: drivers/staging/media/vxd/decoder/vdec_mmu_wrapper.h +F: drivers/staging/media/vxd/decoder/vdecdd_utils.c +F: drivers/staging/media/vxd/decoder/vdecdd_utils.h +F: drivers/staging/media/vxd/decoder/vdecdd_utils_buf.c F: drivers/staging/media/vxd/decoder/vdecfw_share.h F: drivers/staging/media/vxd/decoder/vdecfw_shared.h F: drivers/staging/media/vxd/decoder/vxd_core.c diff --git a/drivers/staging/media/vxd/decoder/vdecdd_utils.c b/drivers/staging/media/vxd/decoder/vdecdd_utils.c new file mode 100644 index 000000000000..7fd7a80d46ae --- /dev/null +++ b/drivers/staging/media/vxd/decoder/vdecdd_utils.c @@ -0,0 +1,95 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * VXD Decoder device driver utility functions implementation + * + * Copyright (c) Imagination Technologies Ltd. + * Copyright (c) 2021 Texas Instruments Incorporated - http://www.ti.com/ + * + * Authors: + * Sunita Nadampalli <sunitan@xxxxxx> + * + * Re-written for upstream + * Sidraya Jayagond <sidraya.bj@xxxxxxxxxxxxxxxxxxx> + * Prashanth Kumar Amai <prashanth.ka@xxxxxxxxxxxxxxxxxxx> + */ + +#include <linux/dma-mapping.h> +#include <media/v4l2-ctrls.h> +#include <media/v4l2-device.h> +#include <media/v4l2-mem2mem.h> + +#include "bspp.h" +#include "vdecdd_utils.h" + +/* + * @Function VDECDDUTILS_FreeStrUnit + */ +int vdecddutils_free_strunit(struct vdecdd_str_unit *str_unit) +{ + struct bspp_bitstr_seg *bstr_seg; + + /* Loop over bit stream segments */ + bstr_seg = (struct bspp_bitstr_seg *)lst_removehead(&str_unit->bstr_seg_list); + while (bstr_seg) { + /* Free segment. */ + kfree(bstr_seg); + + /* Get next segment. */ + bstr_seg = (struct bspp_bitstr_seg *)lst_removehead(&str_unit->bstr_seg_list); + } + + /* Free the sequence header */ + if (str_unit->seq_hdr_info) { + str_unit->seq_hdr_info->ref_count--; + if (str_unit->seq_hdr_info->ref_count == 0) { + kfree(str_unit->seq_hdr_info); + str_unit->seq_hdr_info = NULL; + } + } + + /* Free the picture header... */ + if (str_unit->pict_hdr_info) { + kfree(str_unit->pict_hdr_info->pict_sgm_data.pic_data); + str_unit->pict_hdr_info->pict_sgm_data.pic_data = NULL; + + kfree(str_unit->pict_hdr_info); + str_unit->pict_hdr_info = NULL; + } + + /* Free stream unit. */ + kfree(str_unit); + str_unit = NULL; + + /* Return success */ + return IMG_SUCCESS; +} + +/* + * @Function: VDECDDUTILS_CreateStrUnit + * @Description: this function allocate a structure for a complete data unit + */ +int vdecddutils_create_strunit(struct vdecdd_str_unit **str_unit_handle, + struct lst_t *bs_list) +{ + struct vdecdd_str_unit *str_unit; + struct bspp_bitstr_seg *bstr_seg; + + str_unit = kzalloc(sizeof(*str_unit), GFP_KERNEL); + VDEC_ASSERT(str_unit); + if (!str_unit) + return IMG_ERROR_OUT_OF_MEMORY; + + if (bs_list) { + /* copy BS list to this list */ + lst_init(&str_unit->bstr_seg_list); + for (bstr_seg = lst_first(bs_list); bstr_seg; + bstr_seg = lst_first(bs_list)) { + bstr_seg = lst_removehead(bs_list); + lst_add(&str_unit->bstr_seg_list, bstr_seg); + } + } + + *str_unit_handle = str_unit; + + return IMG_SUCCESS; +} diff --git a/drivers/staging/media/vxd/decoder/vdecdd_utils.h b/drivers/staging/media/vxd/decoder/vdecdd_utils.h new file mode 100644 index 000000000000..233b7c80fe10 --- /dev/null +++ b/drivers/staging/media/vxd/decoder/vdecdd_utils.h @@ -0,0 +1,93 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * VXD Decoder device driver utility header + * + * Copyright (c) Imagination Technologies Ltd. + * Copyright (c) 2021 Texas Instruments Incorporated - http://www.ti.com/ + * + * Authors: + * Sunita Nadampalli <sunitan@xxxxxx> + * + * Re-written for upstream + * Sidraya Jayagond <sidraya.bj@xxxxxxxxxxxxxxxxxxx> + */ + +#ifndef __VDECDD_UTILS_H__ +#define __VDECDD_UTILS_H__ + +#include "img_errors.h" +#include "vdecdd_defs.h" + +/* The picture buffer alignment (in bytes) for VXD. */ +#define VDEC_VXD_PICTBUF_ALIGNMENT (64) +/* The buffer alignment (in bytes) for VXD. */ +#define VDEC_VXD_BUF_ALIGNMENT (4096) +/* The extended stride alignment for VXD. */ +#define VDEC_VXD_EXT_STRIDE_ALIGNMENT_DEFAULT (64) +/* Macroblock dimension (width and height) in pixels. */ +#define VDEC_MB_DIMENSION (16) + +static inline unsigned int vdec_size_min(unsigned int a, unsigned int b) +{ + return a <= b ? a : b; +} + +static inline unsigned char vdec_size_lt(struct vdec_pict_size sa, struct vdec_pict_size sb) +{ + return (sa.width < sb.width && sa.height <= sb.height) || + (sa.width <= sb.width && sa.height < sb.height); +} + +static inline unsigned char vdec_size_ge(struct vdec_pict_size sa, struct vdec_pict_size sb) +{ + return sa.width >= sb.width && sa.height >= sb.height; +} + +static inline unsigned char vdec_size_ne(struct vdec_pict_size sa, struct vdec_pict_size sb) +{ + return sa.width != sb.width || sa.height != sb.height; +} + +static inline unsigned char vdec_size_nz(struct vdec_pict_size sa) +{ + return sa.width != 0 && sa.height != 0; +} + +int vdecddutils_free_strunit(struct vdecdd_str_unit *str_unit); + +int vdecddutils_create_strunit(struct vdecdd_str_unit **str_unit_handle, + struct lst_t *bs_list); + +int vdecddutils_ref_pict_get_maxnum(const struct vdec_str_configdata *str_cfg_data, + const struct vdec_comsequ_hdrinfo *comseq_hdr_info, + unsigned int *num_picts); + +int vdecddutils_get_minrequired_numpicts(const struct vdec_str_configdata *str_cfg_data, + const struct vdec_comsequ_hdrinfo *comseq_hdr_info, + const struct vdec_str_opconfig *op_cfg, + unsigned int *num_picts); + +int vdecddutils_pictbuf_getconfig(const struct vdec_str_configdata *str_cfg_data, + const struct vdec_pict_rend_config *pict_rend_cfg, + const struct vdec_str_opconfig *str_opcfg, + struct vdec_pict_bufconfig *pict_bufcfg); + +int vdecddutils_pictbuf_getinfo(const struct vdec_str_configdata *str_cfg_data, + const struct vdec_pict_rend_config *pict_rend_cfg, + const struct vdec_str_opconfig *str_opcfg, + struct vdec_pict_rendinfo *pict_rend_info); + +int vdecddutils_convert_buffer_config(const struct vdec_str_configdata *str_cfg_data, + const struct vdec_pict_bufconfig *pict_bufcfg, + struct vdec_pict_rendinfo *pict_rend_info); + +int vdecddutils_get_display_region(const struct vdec_pict_size *coded_size, + const struct vdec_rect *orig_disp_region, + struct vdec_rect *disp_region); + +void vdecddutils_buf_vxd_adjust_size(unsigned int *buf_size); + +int vdecddutils_ref_pic_hevc_get_maxnum(const struct vdec_comsequ_hdrinfo *comseq_hdrinfo, + unsigned int *max_ref_picnum); + +#endif diff --git a/drivers/staging/media/vxd/decoder/vdecdd_utils_buf.c b/drivers/staging/media/vxd/decoder/vdecdd_utils_buf.c new file mode 100644 index 000000000000..3a6ad609f981 --- /dev/null +++ b/drivers/staging/media/vxd/decoder/vdecdd_utils_buf.c @@ -0,0 +1,897 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * VXD Decoder device driver buffer utility functions implementation + * + * Copyright (c) Imagination Technologies Ltd. + * Copyright (c) 2021 Texas Instruments Incorporated - http://www.ti.com/ + * + * Authors: + * Sunita Nadampalli <sunitan@xxxxxx> + * + * Re-written for upstream + * Sidraya Jayagond <sidraya.bj@xxxxxxxxxxxxxxxxxxx> + * Prashanth Kumar Amai <prashanth.ka@xxxxxxxxxxxxxxxxxxx> + */ + +#include <linux/dma-mapping.h> +#include <media/v4l2-ctrls.h> +#include <media/v4l2-device.h> +#include <media/v4l2-mem2mem.h> + +#include "img_profiles_levels.h" +#include "pixel_api.h" +#include "vdecdd_utils.h" + +/* + * Tests if chroma offset (immediately after size of luma) is exactly + * aligned to buffer alignment constraint. + */ +static inline unsigned char is_packedbuf_chroma_aligned(unsigned int offset, + unsigned int color_plane, + unsigned int align) +{ + return(color_plane != VDEC_PLANE_VIDEO_Y ? TRUE : + (offset == ALIGN(offset, align) ? TRUE : FALSE)); +} + +/* + * < h.264 MaxDpbMbs values per profile (see Table A-1 of Rec. ITU-T H.264 + * (03/2010)). + * NOTE: Level 1b will be treated as 1.1 in case of Baseline, + * Constrained Baseline, Main, and Extended profiles as the value of the + * constraint_set3_flag is not available in #VDEC_sComSequHdrInfo structure. + */ +static unsigned int h264_max_dpb_mbs[H264_LEVEL_MAJOR_NUM][H264_LEVEL_MINOR_NUM] = { + /* level: n/a n/a n/a 1.0b */ + { 396, 396, 396, 396 }, + /* level: 1.0 1.1 1.2 1.3 */ + { 396, 900, 2376, 2376 }, + /* level: 2.0 2.1 2.2 n/a */ + { 2376, 4752, 8100, 8100 }, + /* level: 3.0 3.1 3.2 n/a */ + { 8100, 18000, 20480, 20480}, + /* level: 4.0 4.1 4.2 n/a */ + { 32768, 32768, 34816, 34816}, + /* level: 5.0 5.1 5.2 n/a */ + { 110400, 184320, 184320, 184320} +}; + +typedef int (*fn_ref_pic_get_max_num)(const struct vdec_comsequ_hdrinfo + *comseq_hdrinfo, unsigned int *max_ref_pic_num); + +void vdecddutils_buf_vxd_adjust_size(unsigned int *buf_size) +{ + /* Align the buffer size to VXD page size. */ + *buf_size = ALIGN(*buf_size, VDEC_VXD_BUF_ALIGNMENT); +} + +static int vdecddutils_ref_pic_h264_get_maxnum + (const struct vdec_comsequ_hdrinfo *comseq_hdrinfo, + unsigned int *max_ref_pic_num) +{ + unsigned int pic_width_mb; + unsigned int pic_height_mb; + unsigned int lvl_major = 0; + unsigned int lvl_minor = 0; + + /* Pre-validate level. */ + if (comseq_hdrinfo->codec_level < H264_LEVEL_MIN || + comseq_hdrinfo->codec_level > H264_LEVEL_MAX) { + pr_warn("Wrong H264 level value: %u", + comseq_hdrinfo->codec_level); + } + + if (comseq_hdrinfo->max_reorder_picts) { + *max_ref_pic_num = comseq_hdrinfo->max_reorder_picts; + } else { + /* Calculate level major and minor. */ + lvl_major = comseq_hdrinfo->codec_level / 10; + lvl_minor = comseq_hdrinfo->codec_level % 10; + + /* Calculate picture sizes in MBs. */ + pic_width_mb = (comseq_hdrinfo->max_frame_size.width + + (VDEC_MB_DIMENSION - 1)) / VDEC_MB_DIMENSION; + pic_height_mb = (comseq_hdrinfo->max_frame_size.height + + (VDEC_MB_DIMENSION - 1)) / VDEC_MB_DIMENSION; + + /* Validate lvl_minor */ + if (lvl_minor > 3) { + pr_warn("Wrong H264 lvl_minor level value: %u, overriding with 3", + lvl_minor); + lvl_minor = 3; + } + /* Validate lvl_major */ + if (lvl_major > 5) { + pr_warn("Wrong H264 lvl_major level value: %u, overriding with 5", + lvl_major); + lvl_major = 5; + } + + /* + * Calculate the maximum number of reference pictures + * required based on level. + */ + *max_ref_pic_num = h264_max_dpb_mbs[lvl_major][lvl_minor] / + (pic_width_mb * pic_height_mb); + if (*max_ref_pic_num > 16) + *max_ref_pic_num = 16; + } + + /* Return success. */ + return IMG_SUCCESS; +} + +#ifdef HAS_HEVC +/* + * @Function vdecddutils_ref_pic_hevc_get_maxnum + */ +int vdecddutils_ref_pic_hevc_get_maxnum(const struct vdec_comsequ_hdrinfo *comseq_hdrinfo, + unsigned int *max_ref_picnum) +{ + static const unsigned int HEVC_LEVEL_IDC_MIN = 30; + static const unsigned int HEVC_LEVEL_IDC_MAX = 186; + + static const unsigned int + max_luma_ps_list[HEVC_LEVEL_MAJOR_NUM][HEVC_LEVEL_MINOR_NUM] = { + /* level: 1.0 1.1 1.2 */ + { 36864, 0, 0, }, + /* level: 2.0 2.1 2.2 */ + { 122880, 245760, 0, }, + /* level: 3.0 3.1 3.2 */ + { 552960, 983040, 0, }, + /* level: 4.0 4.1 4.2 */ + { 2228224, 2228224, 0, }, + /* level: 5.0 5.1 5.2 */ + { 8912896, 8912896, 8912896, }, + /* level: 6.0 6.1 6.2 */ + { 35651584, 35651584, 35651584, } + }; + + /* ITU-T H.265 04/2013 A.4.1 */ + + const unsigned int max_dpb_picbuf = 6; + + /* this is rounded to whole Ctbs */ + unsigned int pic_size_in_samples_Y = comseq_hdrinfo->frame_size.height * + comseq_hdrinfo->frame_size.width; + + signed char level_maj, level_min; + unsigned int max_luma_ps; + + /* some error resilience */ + if (comseq_hdrinfo->codec_level > HEVC_LEVEL_IDC_MAX || + comseq_hdrinfo->codec_level < HEVC_LEVEL_IDC_MIN) { + pr_warn("HEVC Codec level out of range: %u, falling back to %u", + comseq_hdrinfo->codec_level, + comseq_hdrinfo->min_pict_buf_num); + + *max_ref_picnum = comseq_hdrinfo->min_pict_buf_num; + return IMG_SUCCESS; + } + + level_maj = comseq_hdrinfo->codec_level / 30; + level_min = (comseq_hdrinfo->codec_level % 30) / 3; + + if (level_maj > 0 && level_maj <= HEVC_LEVEL_MAJOR_NUM && + level_min >= 0 && level_min < HEVC_LEVEL_MINOR_NUM) { + max_luma_ps = max_luma_ps_list[level_maj - 1][level_min]; + } else { + pr_err("%s: Invalid parameters\n", __func__); + return IMG_ERROR_INVALID_PARAMETERS; + } + + if (max_luma_ps == 0) { + pr_err("Wrong HEVC level value: %u.%u (general_level_idc: %u)", + level_maj, level_min, comseq_hdrinfo->codec_level); + + return IMG_ERROR_VALUE_OUT_OF_RANGE; + } + + if (max_luma_ps < pic_size_in_samples_Y) + pr_warn("HEVC PicSizeInSamplesY too large for level (%u > %u)", + pic_size_in_samples_Y, max_luma_ps); + + if (pic_size_in_samples_Y <= (max_luma_ps >> 2)) + *max_ref_picnum = vdec_size_min(4 * max_dpb_picbuf, 16); + else if (pic_size_in_samples_Y <= (max_luma_ps >> 1)) + *max_ref_picnum = vdec_size_min(2 * max_dpb_picbuf, 16); + else if (pic_size_in_samples_Y <= ((3 * max_luma_ps) >> 2)) + *max_ref_picnum = vdec_size_min((4 * max_dpb_picbuf) / 3, 16); + else + *max_ref_picnum = max_dpb_picbuf; + + /* Return success. */ + return IMG_SUCCESS; +} +#endif + +#ifdef HAS_JPEG +static int vdecddutils_ref_pic_jpeg_get_maxnum(const struct vdec_comsequ_hdrinfo *comseq_hdrinfo, + unsigned int *max_ref_picnum) +{ + /* No reference frames for JPEG. */ + *max_ref_picnum = 0; + + /* Return success. */ + return IMG_SUCCESS; +} +#endif + +/* + * The array of pointers to functions calculating the maximum number + * of reference pictures required for each supported video standard. + * NOTE: The table is indexed by #VDEC_eVidStd enum values. + */ +static fn_ref_pic_get_max_num ref_pic_get_maxnum[VDEC_STD_MAX - 1] = { + NULL, + NULL, + NULL, + vdecddutils_ref_pic_h264_get_maxnum, + NULL, + NULL, + NULL, +#ifdef HAS_JPEG + vdecddutils_ref_pic_jpeg_get_maxnum, +#else + NULL, +#endif + NULL, + NULL, + NULL, +#ifdef HAS_HEVC + vdecddutils_ref_pic_hevc_get_maxnum +#else + NULL +#endif +}; + +int +vdecddutils_ref_pict_get_maxnum(const struct vdec_str_configdata *str_cfg_data, + const struct vdec_comsequ_hdrinfo *comseq_hdr_info, + unsigned int *num_picts) +{ + int ret = IMG_SUCCESS; + + /* Validate input params. */ + if (str_cfg_data->vid_std == VDEC_STD_UNDEFINED || str_cfg_data->vid_std >= VDEC_STD_MAX) + return IMG_ERROR_VALUE_OUT_OF_RANGE; + + /* Call the function related to the provided video standard. */ + ret = ref_pic_get_maxnum[str_cfg_data->vid_std - 1](comseq_hdr_info, + num_picts); + if (ret != IMG_SUCCESS) + pr_warn("[USERSID=0x%08X] Failed to get number of reference pictures", + str_cfg_data->user_str_id); + + /* + * For non-conformant stream use the + * max(*pui32NumPicts,comseq_hdrinfo->ui32MinPicBufNum) + */ + if (*num_picts < comseq_hdr_info->min_pict_buf_num) + *num_picts = comseq_hdr_info->min_pict_buf_num; + + /* + * Increase for MVC: mvcScaleFactor = 2 (H.10.2) and additional pictures + * for a StoreInterViewOnlyRef case (C.4.5.2) + */ + if (comseq_hdr_info->num_views > 1) { + *num_picts *= 2; + *num_picts += comseq_hdr_info->num_views - 1; + } + + return ret; +} + +static void vdecddutils_update_rend_pictsize(struct vdec_pict_size pict_size, + struct vdec_pict_size *rend_pict_size) +{ + if (rend_pict_size->width == 0) { + rend_pict_size->width = pict_size.width; + } else { + /* Take the smallest resolution supported by all the planes */ + rend_pict_size->width = (pict_size.width < + rend_pict_size->width) ? + pict_size.width : + rend_pict_size->width; + } + if (rend_pict_size->height == 0) { + rend_pict_size->height = pict_size.height; + } else { + /* Take the smallest resolution supported by all the planes. */ + rend_pict_size->height = (pict_size.height < + rend_pict_size->height) ? + pict_size.height : + rend_pict_size->height; + } +} + +int vdecddutils_convert_buffer_config(const struct vdec_str_configdata *str_cfg_data, + const struct vdec_pict_bufconfig *pict_bufcfg, + struct vdec_pict_rendinfo *pict_rend_info) +{ + const struct pixel_pixinfo *pix_info; + struct img_pixfmt_desc pixfmt; + unsigned int i; + unsigned int total_vert_samples = 0; + unsigned int vert_samples[IMG_MAX_NUM_PLANES]; + unsigned int plane_size = 0; + unsigned int plane_offset = 0; + struct vdec_pict_size pict_size; + + /* Validate inputs. */ + VDEC_ASSERT(str_cfg_data); + VDEC_ASSERT(pict_bufcfg); + VDEC_ASSERT(pict_rend_info); + + /* Reset picture buffer allocation data. */ + memset(pict_rend_info, 0x0, sizeof(*pict_rend_info)); + + pr_debug("%s picture buffer pixel_fmt = %d\n", __func__, pict_bufcfg->pixel_fmt); + /* Get pixel format info for regular pixel formats... */ + if (pict_bufcfg->pixel_fmt < IMG_PIXFMT_ARBPLANAR8) { + pix_info = pixel_get_pixinfo(pict_bufcfg->pixel_fmt); + pixel_yuv_get_desc((struct pixel_pixinfo *)pix_info, &pixfmt); + } else { + pixel_get_fmt_desc(pict_bufcfg->pixel_fmt, &pixfmt); + } + + /* + * Construct the render region information from the picture + * buffer configuration. + */ + for (i = 0; i < IMG_MAX_NUM_PLANES; i++) { + if (pixfmt.planes[i]) { + unsigned int plane_align = VDEC_VXD_PICTBUF_ALIGNMENT; + + /* + * Determine the offset (in bytes) to this plane. + * This is zero for the first (luma) plane and at the + * end of the previous plane for all subsequent planes. + */ + plane_offset = plane_offset + plane_size; + + /* + * Calculate the minimum number of vertical samples + * for this plane. + */ + vert_samples[i] = + ((pict_bufcfg->coded_height + + pixfmt.v_denom - 1) / pixfmt.v_denom) * + pixfmt.v_numer[i]; + + /* + * Calculate the mimimum plane size from the stride and + * decode picture height. Packed buffers have the luma + * and chroma exactly adjacent and consequently the + * chroma plane offset is equal to this plane size. + */ + plane_size = pict_bufcfg->stride[i] * vert_samples[i]; + plane_size = ALIGN(plane_size, plane_align); + + if (!pict_bufcfg->packed && pict_bufcfg->chroma_offset[i]) { + unsigned int max_plane_size; + + max_plane_size = + pict_bufcfg->chroma_offset[i] - plane_offset; + + if (plane_size > max_plane_size) { + pr_err("Chroma offset [%d bytes] is not large enough to fit minimum plane data [%d bytes] at offset [%d]", + pict_bufcfg->chroma_offset[i], + plane_size, plane_offset); + return IMG_ERROR_INVALID_PARAMETERS; + } + + plane_size = max_plane_size; + + vert_samples[i] = plane_size / + pict_bufcfg->stride[i]; + } else { + if (pict_bufcfg->chroma_offset[i] && (plane_offset + plane_size) != + pict_bufcfg->chroma_offset[i]) { + pr_err("Chroma offset specified [%d bytes] should match that required for plane size calculated from stride and height [%d bytes]", + pict_bufcfg->chroma_offset[i], + plane_offset + plane_size); + return IMG_ERROR_INVALID_PARAMETERS; + } + } + + pict_rend_info->plane_info[i].offset = plane_offset; + pict_rend_info->plane_info[i].stride = + pict_bufcfg->stride[i]; + pict_rend_info->plane_info[i].size = plane_size; + +#ifdef DEBUG_DECODER_DRIVER + pr_info("VDECDDUTILS_ConvertBufferConfig() plane %d stride %u size %u offset %u", + i, pict_rend_info->plane_info[i].stride, + pict_rend_info->plane_info[i].size, + pict_rend_info->plane_info[i].offset); +#endif + + pict_rend_info->rendered_size += + pict_rend_info->plane_info[i].size; + + total_vert_samples += vert_samples[i]; + + /* Calculate the render region maximum picture size. */ + pict_size.width = (pict_rend_info->plane_info[i].stride * + pixfmt.bop_denom) / pixfmt.bop_numer[i]; + pict_size.height = (vert_samples[i] * pixfmt.v_denom) / pixfmt.v_numer[i]; + vdecddutils_update_rend_pictsize(pict_size, + &pict_rend_info->rend_pict_size); + } + } +#ifdef DEBUG_DECODER_DRIVER + pr_info("VDECDDUTILS_ConvertBufferConfig() total required %u (inc. alignment for addressing/tiling) vs. buffer %u", + pict_rend_info->rendered_size, pict_bufcfg->buf_size); +#endif + + /* Ensure that the buffer size is large enough to hold the data */ + if (pict_bufcfg->buf_size < pict_rend_info->rendered_size) { + pr_err("Buffer size [%d bytes] should be at least as large as rendered data (inc. any enforced gap between planes) [%d bytes]", + pict_bufcfg->buf_size, + pict_rend_info->rendered_size); + return IMG_ERROR_INVALID_PARAMETERS; + } + + /* Whole buffer should be marked as rendered region */ + pict_rend_info->rendered_size = pict_bufcfg->buf_size; + /* Use the actual stride alignment */ + pict_rend_info->stride_alignment = pict_bufcfg->stride_alignment; + + return IMG_SUCCESS; +} + +static unsigned char vdecddutils_is_secondary_op_required(const struct vdec_comsequ_hdrinfo + *comseq_hdr_info, + const struct vdec_str_opconfig + *op_cfg) +{ + unsigned char result = TRUE; + + if (!op_cfg->force_oold && + !comseq_hdr_info->post_processing && + comseq_hdr_info->pixel_info.chroma_fmt_idc == + op_cfg->pixel_info.chroma_fmt_idc && + comseq_hdr_info->pixel_info.bitdepth_y == + op_cfg->pixel_info.bitdepth_y && + comseq_hdr_info->pixel_info.bitdepth_c == + op_cfg->pixel_info.bitdepth_c) + /* + * The secondary output is not required (if we have it we will + * not use it for transformation (e.g. scaling. rotating or + * up/down-sampling). + */ + result = FALSE; + + return result; +} + +int vdecddutils_get_minrequired_numpicts(const struct vdec_str_configdata *str_cfg_data, + const struct vdec_comsequ_hdrinfo *comseq_hdr_info, + const struct vdec_str_opconfig *op_cfg, + unsigned int *num_picts) +{ + int ret; + unsigned int max_held_picnum; + + /* If any operation requiring internal buffers is to be applied... */ + if (vdecddutils_is_secondary_op_required(comseq_hdr_info, op_cfg)) { + /* + * Reference picture buffers will be allocated internally, + * but there may be a number of picture buffers to which + * out-of-display-order pictures will be decoded. These + * buffers need to be allocated externally, so there's a + * need to calculate the number of out-of-(display)-order + * pictures required for the provided video standard. + */ + ret = vdecddutils_ref_pict_get_maxnum(str_cfg_data, comseq_hdr_info, + &max_held_picnum); + if (ret != IMG_SUCCESS) + return ret; + } else { + /* + * All the reference picture buffers have to be allocated + * externally, so there's a need to calculate the number of + * reference picture buffers required for the provided video + * standard. + */ + ret = vdecddutils_ref_pict_get_maxnum(str_cfg_data, comseq_hdr_info, + &max_held_picnum); + if (ret != IMG_SUCCESS) + return ret; + } + + /* + * Calculate the number of picture buffers required as the maximum + * number of picture buffers to be held onto by the driver plus the + * current picture buffer. + */ + *num_picts = max_held_picnum + + (comseq_hdr_info->interlaced_frames ? 2 : 1); + + return IMG_SUCCESS; +} + +static void vdecddutils_get_codedsize(const struct vdec_pict_rend_config *pict_rend_cfg, + struct vdec_pict_size *decoded_pict_size) +{ + decoded_pict_size->width = pict_rend_cfg->coded_pict_size.width; + decoded_pict_size->height = pict_rend_cfg->coded_pict_size.height; +} + +static unsigned char vdecddutils_is_packed(const struct vdec_pict_rendinfo *pict_rend_info, + const struct vdec_pict_rend_config *pict_rend_cfg) +{ + unsigned char packed = TRUE; + unsigned int pict_buf_align; + + /* Validate inputs. */ + VDEC_ASSERT(pict_rend_info); + VDEC_ASSERT(pict_rend_cfg); + + pict_buf_align = VDEC_VXD_PICTBUF_ALIGNMENT; + + if (pict_rend_info->plane_info[VDEC_PLANE_VIDEO_Y].size != + pict_rend_info->plane_info[VDEC_PLANE_VIDEO_UV].offset) { + /* Planes that are not adjacent cannot be packed */ + packed = FALSE; + } else if (!is_packedbuf_chroma_aligned(pict_rend_info->plane_info + [VDEC_PLANE_VIDEO_UV].offset, + VDEC_PLANE_VIDEO_Y, + pict_buf_align)) { + /* Chroma plane must be aligned for packed buffers. */ + VDEC_ASSERT(pict_rend_info->plane_info[VDEC_PLANE_VIDEO_Y].size == + pict_rend_info->plane_info[VDEC_PLANE_VIDEO_UV].offset); + packed = FALSE; + } + + return packed; +} + +static int vdecddutils_get_stride + (const struct vdec_str_configdata *str_cfg_data, + const struct vdec_pict_rend_config *pict_rend_cfg, + unsigned int vert_samples, unsigned int *h_stride, + enum vdec_color_planes color_planes) +{ + unsigned int hw_h_stride = *h_stride; + + /* + * If extended strides are to be used or indexed strides failed, + * make extended stride alignment. + */ + hw_h_stride = ALIGN(hw_h_stride, + pict_rend_cfg->stride_alignment > 0 ? + pict_rend_cfg->stride_alignment : + VDEC_VXD_EXT_STRIDE_ALIGNMENT_DEFAULT); + + /* A zero-value indicates unsupported stride */ + if (hw_h_stride == 0) + /* No valid stride found */ + return IMG_ERROR_NOT_SUPPORTED; + + *h_stride = hw_h_stride; + + return IMG_SUCCESS; +} + +static int vdecddutils_get_render_info(const struct vdec_str_configdata *str_cfg_data, + const struct vdec_pict_rend_config *pict_rend_cfg, + const struct pixel_pixinfo *pix_info, + struct vdec_pict_rendinfo *pict_rend_info) +{ + unsigned int i; + struct img_pixfmt_desc pixfmt; + struct vdec_pict_size coded_pict_size; + unsigned char single_stride = FALSE; + unsigned int vert_sample[IMG_MAX_NUM_PLANES] = {0}; + unsigned int total_vert_samples; + unsigned int largest_stride; + unsigned int result; + + /* Reset the output structure. */ + memset(pict_rend_info, 0, sizeof(*pict_rend_info)); + + /* Ensure that the coded sizes are in whole macroblocks. */ + if ((pict_rend_cfg->coded_pict_size.width & + (VDEC_MB_DIMENSION - 1)) != 0 || + (pict_rend_cfg->coded_pict_size.height & + (VDEC_MB_DIMENSION - 1)) != 0) { + pr_err("Invalid render configuration coded picture size [%d x %d]. It should be a whole number of MBs in each dimension", + pict_rend_cfg->coded_pict_size.width, + pict_rend_cfg->coded_pict_size.height); + return IMG_ERROR_INVALID_PARAMETERS; + } + + /* Check if the stride alignment is multiple of default. */ + if ((pict_rend_cfg->stride_alignment & + (VDEC_VXD_EXT_STRIDE_ALIGNMENT_DEFAULT - 1)) != 0) { + pr_err("Invalid stride alignment %d used. It should be multiple of %d.", + pict_rend_cfg->stride_alignment, + VDEC_VXD_EXT_STRIDE_ALIGNMENT_DEFAULT); + return IMG_ERROR_INVALID_PARAMETERS; + } + + /* Get pixel format info for regular pixel formats... */ + if (pix_info->pixfmt < IMG_PIXFMT_ARBPLANAR8) + pixel_yuv_get_desc((struct pixel_pixinfo *)pix_info, &pixfmt); + else + pixel_get_fmt_desc(pix_info->pixfmt, &pixfmt); + + /* Get the coded size for the appropriate orientation */ + vdecddutils_get_codedsize(pict_rend_cfg, &coded_pict_size); + + /* + * Calculate the hardware (inc. constraints) strides and + * number of vertical samples for each plane. + */ + total_vert_samples = 0; + largest_stride = 0; + for (i = 0; i < IMG_MAX_NUM_PLANES; i++) { + if (pixfmt.planes[i]) { + unsigned int h_stride; + + /* Horizontal stride must be for a multiple of BOPs. */ + h_stride = ((coded_pict_size.width + + pixfmt.bop_denom - 1) / + pixfmt.bop_denom) * pixfmt.bop_numer[i]; + + /* + * Vertical only has to satisfy whole pixel of + * samples. + */ + vert_sample[i] = ((coded_pict_size.height + + pixfmt.v_denom - 1) / + pixfmt.v_denom) * pixfmt.v_numer[i]; + + /* + * Obtain a horizontal stride supported by the hardware + * (inc. constraints). + */ + result = vdecddutils_get_stride(str_cfg_data, pict_rend_cfg, vert_sample[i], + &h_stride, (enum vdec_color_planes)i); + if (result != IMG_SUCCESS) { + VDEC_ASSERT(0); + pr_err("No valid VXD stride found for picture with decoded dimensions [%d x %d] and min stride [%d]", + coded_pict_size.width, coded_pict_size.height, h_stride); + return result; + } + + pict_rend_info->plane_info[i].stride = h_stride; + if (i == VDEC_PLANE_VIDEO_UV && (str_cfg_data->vid_std == VDEC_STD_H264 || + str_cfg_data->vid_std == VDEC_STD_HEVC)) { + struct pixel_pixinfo *info = + pixel_get_pixinfo(pix_info->pixfmt); + VDEC_ASSERT(PIXEL_FORMAT_INVALID != + info->chroma_fmt_idc); + } + + total_vert_samples += vert_sample[i]; + if (h_stride > largest_stride) + largest_stride = h_stride; + } + } + pict_rend_info->stride_alignment = + pict_rend_cfg->stride_alignment > 0 ? + pict_rend_cfg->stride_alignment : + VDEC_VXD_EXT_STRIDE_ALIGNMENT_DEFAULT; + + if (pict_rend_cfg->packed) + single_stride = TRUE; + +#ifdef HAS_JPEG + /* JPEG hardware uses a single (luma) stride for all planes. */ + if (str_cfg_data->vid_std == VDEC_STD_JPEG) { + single_stride = true; + + /* Luma should be largest for this to be used for all planes. */ + VDEC_ASSERT(largest_stride == + pict_rend_info->plane_info[VDEC_PLANE_VIDEO_Y].stride); + } +#endif + + /* Calculate plane sizes. */ + for (i = 0; i < IMG_MAX_NUM_PLANES; i++) { + if (pixfmt.planes[i]) { + struct vdec_pict_size pict_size; + unsigned int vert_samples = vert_sample[i]; + unsigned int plane_align = VDEC_VXD_PICTBUF_ALIGNMENT; + + if (single_stride) + pict_rend_info->plane_info[i].stride = + largest_stride; + + pict_rend_info->plane_info[i].size = + pict_rend_info->plane_info[i].stride * + vert_samples; + pict_rend_info->plane_info[i].size = + ALIGN(pict_rend_info->plane_info[i].size, plane_align); + /* + * Ensure that the total buffer rendered size is + * rounded-up to the picture buffer alignment so that + * this plane (within this single buffer) can be + * correctly addressed by the hardware at this byte + * offset. + */ + if (i == 1 && pict_rend_cfg->packed) + /* + * Packed buffers must have chroma plane + * already aligned since this was factored + * into the stride/size calculation. + */ + VDEC_ASSERT(pict_rend_info->rendered_size == + ALIGN(pict_rend_info->rendered_size, plane_align)); + + pict_rend_info->plane_info[i].offset = pict_rend_info->rendered_size; + + /* Update the total buffer size (inc. this plane). */ + pict_rend_info->rendered_size += + pict_rend_info->plane_info[i].size; + + /* + * Update the maximum render picture size supported + * by all planes of this buffer. + */ + pict_size.width = (pict_rend_info->plane_info[i].stride * + pixfmt.bop_denom) / pixfmt.bop_numer[i]; + + pict_size.height = (vert_sample[i] * pixfmt.v_denom) / pixfmt.v_numer[i]; + + vdecddutils_update_rend_pictsize(pict_size, + &pict_rend_info->rend_pict_size); + +#ifdef DEBUG_DECODER_DRIVER + pr_info("vdecddutils_GetRenderInfo() plane %d stride %u size %u offset %u", + i, pict_rend_info->plane_info[i].stride, + pict_rend_info->plane_info[i].size, + pict_rend_info->plane_info[i].offset); +#endif + } + } + +#ifdef DEBUG_DECODER_DRIVER + pr_info("vdecddutils_GetRenderInfo() total %u (inc. alignment for addressing/tiling)", + pict_rend_info->rendered_size); +#endif + + return IMG_SUCCESS; +} + +int vdecddutils_pictbuf_getconfig(const struct vdec_str_configdata *str_cfg_data, + const struct vdec_pict_rend_config *pict_rend_cfg, + const struct vdec_str_opconfig *str_opcfg, + struct vdec_pict_bufconfig *pict_bufcfg) +{ + struct vdec_pict_rendinfo disp_pict_rendinfo; + struct vdec_pict_size coded_pict_size; + unsigned int ret, i; + unsigned int size0, size1; + + /* Validate inputs. */ + VDEC_ASSERT(str_cfg_data); + VDEC_ASSERT(pict_rend_cfg); + VDEC_ASSERT(str_opcfg); + VDEC_ASSERT(pict_bufcfg); + + /* Clear the picture buffer config before populating */ + memset(pict_bufcfg, 0, sizeof(struct vdec_pict_bufconfig)); + + /* Determine the rounded-up coded sizes (compatible with hardware) */ + ret = vdecddutils_get_render_info(str_cfg_data, + pict_rend_cfg, + &str_opcfg->pixel_info, + &disp_pict_rendinfo); + if (ret != IMG_SUCCESS) + return ret; + + /* Get the coded size for the appropriate orientation */ + vdecddutils_get_codedsize(pict_rend_cfg, &coded_pict_size); + + pict_bufcfg->coded_width = coded_pict_size.width; + pict_bufcfg->coded_height = coded_pict_size.height; + + /* + * Use the luma stride for all planes in buffer. + * Additional chroma stride may be needed for other pixel formats. + */ + for (i = 0; i < VDEC_PLANE_MAX; i++) + pict_bufcfg->stride[i] = disp_pict_rendinfo.plane_info[i].stride; + + /* + * Pixel information is taken from that + * specified for display. + */ + pict_bufcfg->pixel_fmt = str_opcfg->pixel_info.pixfmt; + pr_debug("picture buffer pixel_fmt = %d\n", pict_bufcfg->pixel_fmt); + + /* Tiling scheme is taken from render configuration */ + pict_bufcfg->byte_interleave = pict_rend_cfg->byte_interleave; + pr_debug("picture buffer byte_interleave = %d\n", pict_bufcfg->byte_interleave); + /* Stride alignment */ + pict_bufcfg->stride_alignment = pict_rend_cfg->stride_alignment > 0 ? + pict_rend_cfg->stride_alignment : VDEC_VXD_EXT_STRIDE_ALIGNMENT_DEFAULT; + + pr_debug("picture buffer stride_alignment = %d\n", pict_bufcfg->stride_alignment); + /* Chroma offset taken as calculated for render configuration. */ + pict_bufcfg->chroma_offset[0] = disp_pict_rendinfo.plane_info[VDEC_PLANE_VIDEO_UV].offset; + pict_bufcfg->chroma_offset[1] = disp_pict_rendinfo.plane_info[VDEC_PLANE_VIDEO_V].offset; + + if (pict_rend_cfg->packed && str_opcfg->pixel_info.num_planes > 1) { + pict_bufcfg->packed = vdecddutils_is_packed(&disp_pict_rendinfo, pict_rend_cfg); + if (!pict_bufcfg->packed) { + /* Report if unable to meet request to pack. */ + pr_err("Request for packed buffer could not be met"); + return IMG_ERROR_NOT_SUPPORTED; + } + + size0 = ALIGN(pict_bufcfg->chroma_offset[0], VDEC_VXD_PICTBUF_ALIGNMENT); + size1 = ALIGN(pict_bufcfg->chroma_offset[1], VDEC_VXD_PICTBUF_ALIGNMENT); + + if (pict_bufcfg->chroma_offset[0] != size0 || + pict_bufcfg->chroma_offset[1] != size1) { + pr_err("Chroma plane could not be located on a %d byte boundary (investigate stride calculations)", + VDEC_VXD_PICTBUF_ALIGNMENT); + return IMG_ERROR_NOT_SUPPORTED; + } + } else { + pict_bufcfg->packed = FALSE; + } + + pict_bufcfg->buf_size = disp_pict_rendinfo.rendered_size; + + /* Return success */ + return IMG_SUCCESS; +} + +int vdecddutils_get_display_region(const struct vdec_pict_size *coded_size, + const struct vdec_rect *orig_disp_region, + struct vdec_rect *disp_region) +{ + int ret = IMG_SUCCESS; + + /* Validate inputs. */ + VDEC_ASSERT(coded_size); + VDEC_ASSERT(orig_disp_region); + VDEC_ASSERT(disp_region); + if (!coded_size || !orig_disp_region || !disp_region) + return IMG_ERROR_INVALID_PARAMETERS; + + /* + * In the simplest case the display region is the same as + * that defined in the bitstream. + */ + *disp_region = *orig_disp_region; + + if (orig_disp_region->height == 0 || orig_disp_region->width == 0 || + coded_size->height == 0 || coded_size->width == 0) { + pr_err("Invalid params to calculate display region:"); + pr_err("Display Size: [%d,%d]", orig_disp_region->width, orig_disp_region->height); + pr_err("Coded Size : [%d,%d]", coded_size->width, coded_size->height); + return IMG_ERROR_INVALID_PARAMETERS; + } + + return ret; +} + +int vdecddutils_pictbuf_getinfo(const struct vdec_str_configdata *str_cfg_data, + const struct vdec_pict_rend_config *pict_rend_cfg, + const struct vdec_str_opconfig *str_op_cfg, + struct vdec_pict_rendinfo *pict_rend_info) +{ + unsigned int ret; + + /* Validate inputs. */ + VDEC_ASSERT(str_cfg_data); + VDEC_ASSERT(pict_rend_cfg); + VDEC_ASSERT(str_op_cfg); + VDEC_ASSERT(pict_rend_info); + + ret = vdecddutils_get_render_info(str_cfg_data, pict_rend_cfg, + &str_op_cfg->pixel_info, + pict_rend_info); + VDEC_ASSERT(ret == IMG_SUCCESS); + if (ret != IMG_SUCCESS) + return ret; + + return IMG_SUCCESS; +} -- 2.17.1 -- This message contains confidential information and is intended only for the individual(s) named. 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