| /****************************************************************************** |
| * |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| ***************************************************************************** |
| * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore |
| */ |
| |
| /** |
| ******************************************************************************* |
| * @file |
| * ih264e_fmt_conv.c |
| * |
| * @brief |
| * Contains functions for format conversion or frame copy of output buffer |
| * |
| * @author |
| * ittiam |
| * |
| * @par List of Functions: |
| * - ih264e_fmt_conv_420sp_to_rgb565() |
| * - ih264e_fmt_conv_420sp_to_rgba8888() |
| * - ih264e_fmt_conv_420sp_to_420sp() |
| * - ih264e_fmt_conv_420sp_to_420sp_swap_uv() |
| * - ih264e_fmt_conv_420sp_to_420p() |
| * - ih264e_fmt_conv_420p_to_420sp() |
| * - ih264e_fmt_conv_422i_to_420sp() |
| * - ih264e_fmt_conv() |
| * |
| * @remarks |
| * None |
| * |
| ******************************************************************************* |
| */ |
| |
| /*****************************************************************************/ |
| /* File Includes */ |
| /*****************************************************************************/ |
| |
| /* System Include files */ |
| #include <stdio.h> |
| #include <stddef.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <assert.h> |
| |
| /* User Include files */ |
| #include "ih264_typedefs.h" |
| #include "iv2.h" |
| #include "ive2.h" |
| #include "ih264e.h" |
| #include "ithread.h" |
| #include "ih264_defs.h" |
| #include "ih264_debug.h" |
| #include "ime_distortion_metrics.h" |
| #include "ime_structs.h" |
| #include "ih264_defs.h" |
| #include "ih264_error.h" |
| #include "ih264_structs.h" |
| #include "ih264_trans_quant_itrans_iquant.h" |
| #include "ih264_inter_pred_filters.h" |
| #include "ih264_mem_fns.h" |
| #include "ih264_padding.h" |
| #include "ih264_intra_pred_filters.h" |
| #include "ih264_deblk_edge_filters.h" |
| #include "ih264_macros.h" |
| #include "ih264_platform_macros.h" |
| #include "ih264_error.h" |
| #include "ih264_buf_mgr.h" |
| #include "ih264e_defs.h" |
| #include "ih264e_error.h" |
| #include "ih264e_bitstream.h" |
| #include "irc_cntrl_param.h" |
| #include "irc_frame_info_collector.h" |
| #include "ih264e_rate_control.h" |
| #include "ih264e_structs.h" |
| #include "ih264e_fmt_conv.h" |
| |
| |
| /*****************************************************************************/ |
| /* Function Definitions */ |
| /*****************************************************************************/ |
| |
| void ih264e_fmt_conv_420sp_to_rgb565(UWORD8 *pu1_y_src, |
| UWORD8 *pu1_uv_src, |
| UWORD16 *pu2_rgb_dst, |
| WORD32 wd, |
| WORD32 ht, |
| WORD32 src_y_strd, |
| WORD32 src_uv_strd, |
| WORD32 dst_strd, |
| WORD32 is_u_first) |
| { |
| WORD16 i2_r, i2_g, i2_b; |
| UWORD32 u4_r, u4_g, u4_b; |
| WORD16 i2_i, i2_j; |
| UWORD8 *pu1_y_src_nxt; |
| UWORD16 *pu2_rgb_dst_NextRow; |
| |
| UWORD8 *pu1_u_src, *pu1_v_src; |
| |
| if (is_u_first) |
| { |
| pu1_u_src = (UWORD8 *) pu1_uv_src; |
| pu1_v_src = (UWORD8 *) pu1_uv_src + 1; |
| } |
| else |
| { |
| pu1_u_src = (UWORD8 *) pu1_uv_src + 1; |
| pu1_v_src = (UWORD8 *) pu1_uv_src; |
| } |
| |
| pu1_y_src_nxt = pu1_y_src + src_y_strd; |
| pu2_rgb_dst_NextRow = pu2_rgb_dst + dst_strd; |
| |
| for (i2_i = 0; i2_i < (ht >> 1); i2_i++) |
| { |
| for (i2_j = (wd >> 1); i2_j > 0; i2_j--) |
| { |
| i2_b = ((*pu1_u_src - 128) * COEFF4 >> 13); |
| i2_g = ((*pu1_u_src - 128) * COEFF2 + (*pu1_v_src - 128) * COEFF3) |
| >> 13; |
| i2_r = ((*pu1_v_src - 128) * COEFF1) >> 13; |
| |
| pu1_u_src += 2; |
| pu1_v_src += 2; |
| /* pixel 0 */ |
| /* B */ |
| u4_b = CLIP_U8(*pu1_y_src + i2_b); |
| u4_b >>= 3; |
| /* G */ |
| u4_g = CLIP_U8(*pu1_y_src + i2_g); |
| u4_g >>= 2; |
| /* R */ |
| u4_r = CLIP_U8(*pu1_y_src + i2_r); |
| u4_r >>= 3; |
| |
| pu1_y_src++; |
| *pu2_rgb_dst++ = ((u4_r << 11) | (u4_g << 5) | u4_b); |
| |
| /* pixel 1 */ |
| /* B */ |
| u4_b = CLIP_U8(*pu1_y_src + i2_b); |
| u4_b >>= 3; |
| /* G */ |
| u4_g = CLIP_U8(*pu1_y_src + i2_g); |
| u4_g >>= 2; |
| /* R */ |
| u4_r = CLIP_U8(*pu1_y_src + i2_r); |
| u4_r >>= 3; |
| |
| pu1_y_src++; |
| *pu2_rgb_dst++ = ((u4_r << 11) | (u4_g << 5) | u4_b); |
| |
| /* pixel 2 */ |
| /* B */ |
| u4_b = CLIP_U8(*pu1_y_src_nxt + i2_b); |
| u4_b >>= 3; |
| /* G */ |
| u4_g = CLIP_U8(*pu1_y_src_nxt + i2_g); |
| u4_g >>= 2; |
| /* R */ |
| u4_r = CLIP_U8(*pu1_y_src_nxt + i2_r); |
| u4_r >>= 3; |
| |
| pu1_y_src_nxt++; |
| *pu2_rgb_dst_NextRow++ = ((u4_r << 11) | (u4_g << 5) | u4_b); |
| |
| /* pixel 3 */ |
| /* B */ |
| u4_b = CLIP_U8(*pu1_y_src_nxt + i2_b); |
| u4_b >>= 3; |
| /* G */ |
| u4_g = CLIP_U8(*pu1_y_src_nxt + i2_g); |
| u4_g >>= 2; |
| /* R */ |
| u4_r = CLIP_U8(*pu1_y_src_nxt + i2_r); |
| u4_r >>= 3; |
| |
| pu1_y_src_nxt++; |
| *pu2_rgb_dst_NextRow++ = ((u4_r << 11) | (u4_g << 5) | u4_b); |
| |
| } |
| |
| pu1_u_src = pu1_u_src + src_uv_strd - wd; |
| pu1_v_src = pu1_v_src + src_uv_strd - wd; |
| |
| pu1_y_src = pu1_y_src + (src_y_strd << 1) - wd; |
| pu1_y_src_nxt = pu1_y_src_nxt + (src_y_strd << 1) - wd; |
| |
| pu2_rgb_dst = pu2_rgb_dst_NextRow - wd + dst_strd; |
| pu2_rgb_dst_NextRow = pu2_rgb_dst_NextRow + (dst_strd << 1) - wd; |
| } |
| |
| } |
| |
| void ih264e_fmt_conv_420sp_to_rgba8888(UWORD8 *pu1_y_src, |
| UWORD8 *pu1_uv_src, |
| UWORD32 *pu4_rgba_dst, |
| WORD32 wd, |
| WORD32 ht, |
| WORD32 src_y_strd, |
| WORD32 src_uv_strd, |
| WORD32 dst_strd, |
| WORD32 is_u_first) |
| { |
| WORD16 i2_r, i2_g, i2_b; |
| UWORD32 u4_r, u4_g, u4_b; |
| WORD16 i2_i, i2_j; |
| UWORD8 *pu1_y_src_nxt; |
| UWORD32 *pu4_rgba_dst_NextRow; |
| UWORD8 *pu1_u_src, *pu1_v_src; |
| |
| if (is_u_first) |
| { |
| pu1_u_src = (UWORD8 *) pu1_uv_src; |
| pu1_v_src = (UWORD8 *) pu1_uv_src + 1; |
| } |
| else |
| { |
| pu1_u_src = (UWORD8 *) pu1_uv_src + 1; |
| pu1_v_src = (UWORD8 *) pu1_uv_src; |
| } |
| |
| pu1_y_src_nxt = pu1_y_src + src_y_strd; |
| |
| pu4_rgba_dst_NextRow = pu4_rgba_dst + dst_strd; |
| |
| for (i2_i = 0; i2_i < (ht >> 1); i2_i++) |
| { |
| for (i2_j = (wd >> 1); i2_j > 0; i2_j--) |
| { |
| i2_b = ((*pu1_u_src - 128) * COEFF4 >> 13); |
| i2_g = ((*pu1_u_src - 128) * COEFF2 + (*pu1_v_src - 128) * COEFF3) |
| >> 13; |
| i2_r = ((*pu1_v_src - 128) * COEFF1) >> 13; |
| |
| pu1_u_src += 2; |
| pu1_v_src += 2; |
| /* pixel 0 */ |
| /* B */ |
| u4_b = CLIP_U8(*pu1_y_src + i2_b); |
| /* G */ |
| u4_g = CLIP_U8(*pu1_y_src + i2_g); |
| /* R */ |
| u4_r = CLIP_U8(*pu1_y_src + i2_r); |
| |
| pu1_y_src++; |
| *pu4_rgba_dst++ = ((u4_r << 16) | (u4_g << 8) | (u4_b << 0)); |
| |
| /* pixel 1 */ |
| /* B */ |
| u4_b = CLIP_U8(*pu1_y_src + i2_b); |
| /* G */ |
| u4_g = CLIP_U8(*pu1_y_src + i2_g); |
| /* R */ |
| u4_r = CLIP_U8(*pu1_y_src + i2_r); |
| |
| pu1_y_src++; |
| *pu4_rgba_dst++ = ((u4_r << 16) | (u4_g << 8) | (u4_b << 0)); |
| |
| /* pixel 2 */ |
| /* B */ |
| u4_b = CLIP_U8(*pu1_y_src_nxt + i2_b); |
| /* G */ |
| u4_g = CLIP_U8(*pu1_y_src_nxt + i2_g); |
| /* R */ |
| u4_r = CLIP_U8(*pu1_y_src_nxt + i2_r); |
| |
| pu1_y_src_nxt++; |
| *pu4_rgba_dst_NextRow++ = |
| ((u4_r << 16) | (u4_g << 8) | (u4_b << 0)); |
| |
| /* pixel 3 */ |
| /* B */ |
| u4_b = CLIP_U8(*pu1_y_src_nxt + i2_b); |
| /* G */ |
| u4_g = CLIP_U8(*pu1_y_src_nxt + i2_g); |
| /* R */ |
| u4_r = CLIP_U8(*pu1_y_src_nxt + i2_r); |
| |
| pu1_y_src_nxt++; |
| *pu4_rgba_dst_NextRow++ = |
| ((u4_r << 16) | (u4_g << 8) | (u4_b << 0)); |
| |
| } |
| |
| pu1_u_src = pu1_u_src + src_uv_strd - wd; |
| pu1_v_src = pu1_v_src + src_uv_strd - wd; |
| |
| pu1_y_src = pu1_y_src + (src_y_strd << 1) - wd; |
| pu1_y_src_nxt = pu1_y_src_nxt + (src_y_strd << 1) - wd; |
| |
| pu4_rgba_dst = pu4_rgba_dst_NextRow - wd + dst_strd; |
| pu4_rgba_dst_NextRow = pu4_rgba_dst_NextRow + (dst_strd << 1) - wd; |
| } |
| |
| } |
| |
| /** |
| ******************************************************************************* |
| * |
| * @brief Function used for copying a 420SP buffer |
| * |
| * @par Description |
| * Function used for copying a 420SP buffer |
| * |
| * @param[in] pu1_y_src |
| * Input Y pointer |
| * |
| * @param[in] pu1_uv_src |
| * Input UV pointer (UV is interleaved either in UV or VU format) |
| * |
| * @param[in] pu1_y_dst |
| * Output Y pointer |
| * |
| * @param[in] pu1_uv_dst |
| * Output UV pointer (UV is interleaved in the same format as that of input) |
| * |
| * @param[in] wd |
| * Width |
| * |
| * @param[in] ht |
| * Height |
| * |
| * @param[in] src_y_strd |
| * Input Y Stride |
| * |
| * @param[in] src_uv_strd |
| * Input UV stride |
| * |
| * @param[in] dst_y_strd |
| * Output Y stride |
| * |
| * @param[in] dst_uv_strd |
| * Output UV stride |
| * |
| * @returns None |
| * |
| * @remarks In case there is a need to perform partial frame copy then |
| * by passion appropriate source and destination pointers and appropriate |
| * values for wd and ht it can be done |
| * |
| ******************************************************************************* |
| */ |
| void ih264e_fmt_conv_420sp_to_420sp(UWORD8 *pu1_y_src, |
| UWORD8 *pu1_uv_src, |
| UWORD8 *pu1_y_dst, |
| UWORD8 *pu1_uv_dst, |
| WORD32 wd, |
| WORD32 ht, |
| WORD32 src_y_strd, |
| WORD32 src_uv_strd, |
| WORD32 dst_y_strd, |
| WORD32 dst_uv_strd) |
| { |
| UWORD8 *pu1_src, *pu1_dst; |
| WORD32 num_rows, num_cols, src_strd, dst_strd; |
| WORD32 i; |
| |
| /* copy luma */ |
| pu1_src = (UWORD8 *) pu1_y_src; |
| pu1_dst = (UWORD8 *) pu1_y_dst; |
| |
| num_rows = ht; |
| num_cols = wd; |
| |
| src_strd = src_y_strd; |
| dst_strd = dst_y_strd; |
| |
| for (i = 0; i < num_rows; i++) |
| { |
| memcpy(pu1_dst, pu1_src, num_cols); |
| pu1_dst += dst_strd; |
| pu1_src += src_strd; |
| } |
| |
| /* copy U and V */ |
| pu1_src = (UWORD8 *) pu1_uv_src; |
| pu1_dst = (UWORD8 *) pu1_uv_dst; |
| |
| num_rows = ht >> 1; |
| num_cols = wd; |
| |
| src_strd = src_uv_strd; |
| dst_strd = dst_uv_strd; |
| |
| for (i = 0; i < num_rows; i++) |
| { |
| memcpy(pu1_dst, pu1_src, num_cols); |
| pu1_dst += dst_strd; |
| pu1_src += src_strd; |
| } |
| return; |
| } |
| |
| |
| void ih264e_fmt_conv_420sp_to_420sp_swap_uv(UWORD8 *pu1_y_src, |
| UWORD8 *pu1_uv_src, |
| UWORD8 *pu1_y_dst, |
| UWORD8 *pu1_uv_dst, |
| WORD32 wd, |
| WORD32 ht, |
| WORD32 src_y_strd, |
| WORD32 src_uv_strd, |
| WORD32 dst_y_strd, |
| WORD32 dst_uv_strd) |
| { |
| UWORD8 *pu1_src, *pu1_dst; |
| WORD32 num_rows, num_cols, src_strd, dst_strd; |
| WORD32 i; |
| |
| /* copy luma */ |
| pu1_src = (UWORD8 *) pu1_y_src; |
| pu1_dst = (UWORD8 *) pu1_y_dst; |
| |
| num_rows = ht; |
| num_cols = wd; |
| |
| src_strd = src_y_strd; |
| dst_strd = dst_y_strd; |
| |
| for (i = 0; i < num_rows; i++) |
| { |
| memcpy(pu1_dst, pu1_src, num_cols); |
| pu1_dst += dst_strd; |
| pu1_src += src_strd; |
| } |
| |
| /* copy U and V */ |
| pu1_src = (UWORD8 *) pu1_uv_src; |
| pu1_dst = (UWORD8 *) pu1_uv_dst; |
| |
| num_rows = ht >> 1; |
| num_cols = wd; |
| |
| src_strd = src_uv_strd; |
| dst_strd = dst_uv_strd; |
| |
| for (i = 0; i < num_rows; i++) |
| { |
| WORD32 j; |
| for (j = 0; j < num_cols; j += 2) |
| { |
| pu1_dst[j + 0] = pu1_src[j + 1]; |
| pu1_dst[j + 1] = pu1_src[j + 0]; |
| } |
| pu1_dst += dst_strd; |
| pu1_src += src_strd; |
| } |
| return; |
| } |
| |
| void ih264e_fmt_conv_420sp_to_420p(UWORD8 *pu1_y_src, |
| UWORD8 *pu1_uv_src, |
| UWORD8 *pu1_y_dst, |
| UWORD8 *pu1_u_dst, |
| UWORD8 *pu1_v_dst, |
| WORD32 wd, |
| WORD32 ht, |
| WORD32 src_y_strd, |
| WORD32 src_uv_strd, |
| WORD32 dst_y_strd, |
| WORD32 dst_uv_strd, |
| WORD32 is_u_first, |
| WORD32 disable_luma_copy) |
| { |
| UWORD8 *pu1_src, *pu1_dst; |
| UWORD8 *pu1_u_src, *pu1_v_src; |
| WORD32 num_rows, num_cols, src_strd, dst_strd; |
| WORD32 i, j; |
| |
| if (0 == disable_luma_copy) |
| { |
| /* copy luma */ |
| pu1_src = (UWORD8 *) pu1_y_src; |
| pu1_dst = (UWORD8 *) pu1_y_dst; |
| |
| num_rows = ht; |
| num_cols = wd; |
| |
| src_strd = src_y_strd; |
| dst_strd = dst_y_strd; |
| |
| for (i = 0; i < num_rows; i++) |
| { |
| memcpy(pu1_dst, pu1_src, num_cols); |
| pu1_dst += dst_strd; |
| pu1_src += src_strd; |
| } |
| } |
| /* de-interleave U and V and copy to destination */ |
| if (is_u_first) |
| { |
| pu1_u_src = (UWORD8 *) pu1_uv_src; |
| pu1_v_src = (UWORD8 *) pu1_uv_src + 1; |
| } |
| else |
| { |
| pu1_u_src = (UWORD8 *) pu1_uv_src + 1; |
| pu1_v_src = (UWORD8 *) pu1_uv_src; |
| } |
| |
| num_rows = ht >> 1; |
| num_cols = wd >> 1; |
| |
| src_strd = src_uv_strd; |
| dst_strd = dst_uv_strd; |
| |
| for (i = 0; i < num_rows; i++) |
| { |
| for (j = 0; j < num_cols; j++) |
| { |
| pu1_u_dst[j] = pu1_u_src[j * 2]; |
| pu1_v_dst[j] = pu1_v_src[j * 2]; |
| } |
| |
| pu1_u_dst += dst_strd; |
| pu1_v_dst += dst_strd; |
| pu1_u_src += src_strd; |
| pu1_v_src += src_strd; |
| } |
| return; |
| } |
| |
| /** |
| ******************************************************************************* |
| * |
| * @brief Function used to perform color space conversion from 420P to 420SP |
| * |
| * @par Description |
| * Function used to perform color space conversion from 420P to 420SP |
| * |
| * @param[in] pu1_y_src |
| * Input Y pointer |
| * |
| * @param[in] pu1_u_src |
| * Input U pointer |
| * |
| * @param[in] pu1_v_dst |
| * Input V pointer |
| * |
| * @param[in] pu1_y_dst |
| * Output Y pointer |
| * |
| * @param[in] pu1_uv_dst |
| * Output UV pointer |
| * |
| * @param[in] u4_width |
| * Width |
| * |
| * @param[in] u4_height |
| * Height |
| * |
| * @param[in] src_y_strd |
| * Input Y Stride |
| * |
| * @param[in] src_u_strd |
| * Input U stride |
| * |
| * @param[in] src_v_strd |
| * Input V stride |
| * |
| * @param[in] dst_y_strd |
| * Output Y stride |
| * |
| * @param[in] dst_uv_strd |
| * Output UV stride |
| * |
| * @param[in] convert_uv_only |
| * Flag to indicate if only UV copy needs to be done |
| * |
| * @returns none |
| * |
| * @remarks In case there is a need to perform partial frame copy then |
| * by passion appropriate source and destination pointers and appropriate |
| * values for wd and ht it can be done |
| * |
| ******************************************************************************* |
| */ |
| void ih264e_fmt_conv_420p_to_420sp(UWORD8 *pu1_y_src, |
| UWORD8 *pu1_u_src, |
| UWORD8 *pu1_v_src, |
| UWORD8 *pu1_y_dst, |
| UWORD8 *pu1_uv_dst, |
| UWORD16 u2_height, |
| UWORD16 u2_width, |
| UWORD16 src_y_strd, |
| UWORD16 src_u_strd, |
| UWORD16 src_v_strd, |
| UWORD16 dst_y_strd, |
| UWORD16 dst_uv_strd, |
| UWORD32 convert_uv_only) |
| { |
| UWORD8 *pu1_src, *pu1_dst; |
| UWORD8 *pu1_src_u, *pu1_src_v; |
| UWORD16 i; |
| UWORD32 u2_width_uv; |
| UWORD32 dest_inc_Y = 0, dest_inc_UV = 0; |
| |
| dest_inc_UV = dst_uv_strd; |
| |
| if (0 == convert_uv_only) |
| { |
| |
| /* Copy Y buffer */ |
| pu1_dst = (UWORD8 *) pu1_y_dst; |
| pu1_src = (UWORD8 *) pu1_y_src; |
| |
| dest_inc_Y = dst_y_strd; |
| |
| for (i = 0; i < u2_height; i++) |
| { |
| memcpy((void *) pu1_dst, (void *) pu1_src, u2_width); |
| pu1_dst += dest_inc_Y; |
| pu1_src += src_y_strd; |
| } |
| } |
| |
| /* Interleave Cb and Cr buffers */ |
| pu1_src_u = pu1_u_src; |
| pu1_src_v = pu1_v_src; |
| pu1_dst = pu1_uv_dst; |
| |
| u2_height = (u2_height + 1) >> 1; |
| u2_width_uv = (u2_width + 1) >> 1; |
| for (i = 0; i < u2_height; i++) |
| { |
| UWORD32 j; |
| for (j = 0; j < u2_width_uv; j++) |
| { |
| *pu1_dst++ = *pu1_src_u++; |
| *pu1_dst++ = *pu1_src_v++; |
| } |
| |
| pu1_dst += dest_inc_UV - u2_width; |
| pu1_src_u += src_u_strd - u2_width_uv; |
| pu1_src_v += src_v_strd - u2_width_uv; |
| } |
| } |
| |
| /** |
| ******************************************************************************* |
| * |
| * @brief Function used to convert 422 interleaved to 420sp |
| * |
| * @par Description |
| * Function used to convert 422 interleaved to 420sp |
| * |
| * @param[in] pu1_y_buf |
| * Output Y pointer |
| * |
| * @param[in] pu1_u_buf |
| * Output u pointer |
| * |
| * @param[in[ pu1_v_buf |
| * Output V pointer |
| * |
| * @param[in] pu1_422i_buf |
| * Input 422i pointer |
| * |
| * @param[in] u4_y_width |
| * Width of Y component |
| * |
| * @param[in] u4_y_height |
| * Height of Y component |
| * |
| * @param[in] u4_y_stride |
| * Stride of pu1_y_buf |
| * |
| * @param[in] u4_u_stride |
| * Stride of pu1_u_buf |
| * |
| * @param[in] u4_v_stride |
| * Stride of pu1_v_buf |
| * |
| * @param[in] u4_422i_stride |
| * Stride of pu1_422i_buf |
| * |
| * @returns None |
| * |
| * @remarks For conversion |
| * pu1_v_buf = pu1_u_buf+1 |
| * u4_u_stride = u4_v_stride |
| * |
| * The extra parameters are for maintaining API with assembly function |
| * |
| ******************************************************************************* |
| */ |
| void ih264e_fmt_conv_422i_to_420sp(UWORD8 *pu1_y_buf, |
| UWORD8 *pu1_u_buf, |
| UWORD8 *pu1_v_buf, |
| UWORD8 *pu1_422i_buf, |
| WORD32 u4_y_width, |
| WORD32 u4_y_height, |
| WORD32 u4_y_stride, |
| WORD32 u4_u_stride, |
| WORD32 u4_v_stride, |
| WORD32 u4_422i_stride) |
| { |
| WORD32 row, col; |
| UWORD8 *row_even_422 = pu1_422i_buf; |
| UWORD8 *row_odd_422 = row_even_422 + (u4_422i_stride << 1); |
| UWORD8 *row_even_luma = pu1_y_buf; |
| /* Since at the end of loop, we have row_even_luma += (luma_width << 1), |
| * it should be same here right? */ |
| UWORD8 *row_odd_luma = row_even_luma + u4_y_stride; |
| UWORD8 *row_cb = pu1_u_buf; |
| UWORD8 *row_cr = pu1_v_buf; |
| |
| for (row = 0; row < u4_y_height; row = row + 2) |
| { |
| for (col = 0; col < (u4_y_width << 1); col = col + 4) |
| { |
| UWORD8 cb_even = row_even_422[col]; |
| UWORD8 cr_even = row_even_422[col + 2]; |
| |
| row_cb[col >> 1] = cb_even; |
| row_cr[col >> 1] = cr_even; |
| |
| row_even_luma[col >> 1] = row_even_422[col + 1]; |
| row_even_luma[(col >> 1) + 1] = row_even_422[col + 3]; |
| |
| row_odd_luma[col >> 1] = row_odd_422[col + 1]; |
| row_odd_luma[(col >> 1) + 1] = row_odd_422[col + 3]; |
| } |
| |
| row_even_422 += (u4_422i_stride << 2); |
| row_odd_422 += (u4_422i_stride << 2); |
| |
| row_even_luma += (u4_y_stride << 1); |
| row_odd_luma += (u4_y_stride << 1); |
| |
| row_cb += u4_u_stride; |
| row_cr += u4_v_stride; |
| } |
| } |
| |
| /** |
| ******************************************************************************* |
| * |
| * @brief Function used from format conversion or frame copy |
| * |
| * @par Description |
| * Function used from copying or converting a reference frame to display buffer |
| * in non shared mode |
| * |
| * @param[in] pu1_y_dst |
| * Output Y pointer |
| * |
| * @param[in] pu1_u_dst |
| * Output U/UV pointer ( UV is interleaved in the same format as that of input) |
| * |
| * @param[in] pu1_v_dst |
| * Output V pointer ( used in 420P output case) |
| * |
| * @param[in] u4_dst_y_strd |
| * Stride of destination Y buffer |
| * |
| * @param[in] u4_dst_u_strd |
| * Stride of destination U/V buffer |
| * |
| * @param[in] blocking |
| * To indicate whether format conversion should wait till frame is reconstructed |
| * and then return after complete copy is done. To be set to 1 when called at the |
| * end of frame processing and set to 0 when called between frame processing modules |
| * in order to utilize available MCPS |
| * |
| * @returns error status |
| * |
| * @remarks |
| * Assumes that the stride of U and V buffers are same. |
| * This is correct in most cases |
| * If a case comes where this is not true we need to modify the fmt conversion |
| * functions called inside also |
| * |
| ******************************************************************************* |
| */ |
| IH264E_ERROR_T ih264e_fmt_conv(codec_t *ps_codec, |
| pic_buf_t *ps_pic, |
| UWORD8 *pu1_y_dst, |
| UWORD8 *pu1_u_dst, |
| UWORD8 *pu1_v_dst, |
| UWORD32 u4_dst_y_strd, |
| UWORD32 u4_dst_uv_strd, |
| WORD32 cur_row, |
| WORD32 num_rows) |
| { |
| IH264E_ERROR_T ret = IH264E_SUCCESS; |
| UWORD8 *pu1_y_src, *pu1_uv_src; |
| UWORD8 *pu1_y_dst_tmp, *pu1_uv_dst_tmp; |
| UWORD8 *pu1_u_dst_tmp, *pu1_v_dst_tmp; |
| UWORD16 *pu2_rgb_dst_tmp; |
| UWORD32 *pu4_rgb_dst_tmp; |
| WORD32 is_u_first; |
| UWORD8 *pu1_luma; |
| UWORD8 *pu1_chroma; |
| WORD32 dst_stride, wd; |
| |
| |
| if (0 == num_rows) |
| return ret; |
| |
| pu1_luma = ps_pic->pu1_luma; |
| pu1_chroma = ps_pic->pu1_chroma; |
| |
| |
| dst_stride = ps_codec->s_cfg.u4_wd; |
| wd = ps_codec->s_cfg.u4_disp_wd; |
| is_u_first = (IV_YUV_420SP_UV == ps_codec->e_codec_color_format) ? 1 : 0; |
| |
| /* In case of 420P output luma copy is disabled for shared mode */ |
| { |
| pu1_y_src = pu1_luma + cur_row * ps_codec->i4_rec_strd; |
| pu1_uv_src = pu1_chroma + (cur_row / 2) * ps_codec->i4_rec_strd; |
| |
| pu2_rgb_dst_tmp = (UWORD16 *) pu1_y_dst; |
| pu2_rgb_dst_tmp += cur_row * dst_stride; |
| pu4_rgb_dst_tmp = (UWORD32 *) pu1_y_dst; |
| pu4_rgb_dst_tmp += cur_row * dst_stride; |
| |
| pu1_y_dst_tmp = pu1_y_dst + cur_row * u4_dst_y_strd; |
| pu1_uv_dst_tmp = pu1_u_dst + (cur_row / 2) * u4_dst_uv_strd; |
| pu1_u_dst_tmp = pu1_u_dst + (cur_row / 2) * u4_dst_uv_strd; |
| pu1_v_dst_tmp = pu1_v_dst + (cur_row / 2) * u4_dst_uv_strd; |
| |
| /* If the call is non-blocking and there are no rows to be copied then return */ |
| /* In non-shared mode, reference buffers are in 420SP UV format, |
| * if output also is in 420SP_UV, then just copy |
| * if output is in 420SP_VU then swap UV values |
| */ |
| if ((IV_YUV_420SP_UV == ps_codec->s_cfg.e_recon_color_fmt) || |
| (IV_YUV_420SP_VU == ps_codec->s_cfg.e_recon_color_fmt)) |
| { |
| ih264e_fmt_conv_420sp_to_420sp(pu1_y_src, pu1_uv_src, pu1_y_dst_tmp, |
| pu1_uv_dst_tmp, wd, num_rows, |
| ps_codec->i4_rec_strd, |
| ps_codec->i4_rec_strd, u4_dst_y_strd, |
| u4_dst_uv_strd); |
| } |
| else if (IV_YUV_420P == ps_codec->s_cfg.e_recon_color_fmt) |
| { |
| ih264e_fmt_conv_420sp_to_420p(pu1_y_src, pu1_uv_src, pu1_y_dst_tmp, |
| pu1_u_dst_tmp, pu1_v_dst_tmp, wd, |
| num_rows, ps_codec->i4_rec_strd, |
| ps_codec->i4_rec_strd, u4_dst_y_strd, |
| u4_dst_uv_strd, is_u_first, 0); |
| } |
| } |
| return(ret); |
| } |
| |
