xref: /aosp_15_r20/external/libmpeg2/decoder/impeg2d_deinterlace.c (revision a97c2a1f0a796dc32bed80d3353c69c5fc07c750)
1 /******************************************************************************
2  *
3  * Copyright (C) 2015 The Android Open Source Project
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at:
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  *****************************************************************************
18  * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
19 */
20 #include <stdio.h>
21 #include "iv_datatypedef.h"
22 #include "iv.h"
23 
24 #include "icv.h"
25 #include "ideint.h"
26 
27 #include "impeg2_buf_mgr.h"
28 #include "impeg2_disp_mgr.h"
29 #include "impeg2_defs.h"
30 #include "impeg2_platform_macros.h"
31 #include "impeg2_inter_pred.h"
32 #include "impeg2_idct.h"
33 #include "impeg2_globals.h"
34 #include "impeg2_mem_func.h"
35 #include "impeg2_format_conv.h"
36 #include "impeg2_macros.h"
37 
38 #include "impeg2d.h"
39 #include "impeg2d_bitstream.h"
40 #include "impeg2d_structs.h"
41 #include "impeg2d_globals.h"
42 #include "impeg2d_mc.h"
43 #include "impeg2d_pic_proc.h"
44 #include "impeg2d_deinterlace.h"
45 
46 typedef struct
47 {
48     IVD_ARCH_T ivd_arch;
49     ICV_ARCH_T icv_arch;
50 }arch_map_t;
51 
52 static const arch_map_t gas_impeg2d_arch_mapping[] =
53 {
54     {ARCH_ARM_NONEON,       ICV_ARM_NONEON},
55     {ARCH_ARM_A9Q,          ICV_ARM_A9Q},
56     {ARCH_ARM_A9A,          ICV_ARM_A9A},
57     {ARCH_ARM_A9,           ICV_ARM_A9},
58     {ARCH_ARM_A7,           ICV_ARM_A7},
59     {ARCH_ARM_A5,           ICV_ARM_A5},
60     {ARCH_ARM_A15,          ICV_ARM_A15},
61     {ARCH_ARM_NEONINTR,     ICV_ARM_NEONINTR},
62     {ARCH_ARMV8_GENERIC,    ICV_ARMV8_GENERIC},
63     {ARCH_X86_GENERIC,      ICV_X86_GENERIC},
64     {ARCH_X86_SSSE3,        ICV_X86_SSSE3},
65     {ARCH_X86_SSE42,        ICV_X86_SSE42},
66     {ARCH_X86_AVX2,         ICV_X86_AVX2},
67     {ARCH_MIPS_GENERIC,     ICV_MIPS_GENERIC},
68     {ARCH_MIPS_32,          ICV_MIPS_32},
69     {ARCH_RISCV_GENERIC,    ICV_RISCV_GENERIC},
70 };
71 
72 
impeg2d_get_pic(icv_pic_t * ps_dst,UWORD8 * pu1_buf_y,UWORD8 * pu1_buf_u,UWORD8 * pu1_buf_v,WORD32 wd,WORD32 ht,WORD32 strd)73 static void impeg2d_get_pic(icv_pic_t *ps_dst,
74                             UWORD8 *pu1_buf_y,
75                             UWORD8 *pu1_buf_u,
76                             UWORD8 *pu1_buf_v,
77                             WORD32 wd,
78                             WORD32 ht,
79                             WORD32 strd)
80 {
81     ps_dst->ai4_wd[0] = wd;
82     ps_dst->ai4_wd[1] = wd / 2;
83     ps_dst->ai4_wd[2] = wd / 2;
84 
85     ps_dst->ai4_ht[0] = ht;
86     ps_dst->ai4_ht[1] = ht / 2;
87     ps_dst->ai4_ht[2] = ht / 2;
88 
89     ps_dst->ai4_strd[0] = strd;
90     ps_dst->ai4_strd[1] = strd / 2;
91     ps_dst->ai4_strd[2] = strd / 2;
92 
93     ps_dst->apu1_buf[0] = pu1_buf_y;
94     ps_dst->apu1_buf[1] = pu1_buf_u;
95     ps_dst->apu1_buf[2] = pu1_buf_v;
96 
97     ps_dst->e_color_fmt = ICV_YUV420P;
98 }
impeg2d_get_flds(icv_pic_t * ps_frm,icv_pic_t * ps_top_fld,icv_pic_t * ps_bot_fld)99 static void impeg2d_get_flds(icv_pic_t *ps_frm,
100                              icv_pic_t *ps_top_fld,
101                              icv_pic_t *ps_bot_fld)
102 {
103     ps_top_fld->ai4_wd[0] = ps_frm->ai4_wd[0];
104     ps_top_fld->ai4_wd[1] = ps_frm->ai4_wd[1];
105     ps_top_fld->ai4_wd[2] = ps_frm->ai4_wd[2];
106 
107     ps_top_fld->ai4_ht[0] = ps_frm->ai4_ht[0] / 2;
108     ps_top_fld->ai4_ht[1] = ps_frm->ai4_ht[1] / 2;
109     ps_top_fld->ai4_ht[2] = ps_frm->ai4_ht[2] / 2;
110 
111     ps_top_fld->ai4_strd[0] = ps_frm->ai4_strd[0] * 2;
112     ps_top_fld->ai4_strd[1] = ps_frm->ai4_strd[1] * 2;
113     ps_top_fld->ai4_strd[2] = ps_frm->ai4_strd[2] * 2;
114 
115     ps_top_fld->e_color_fmt = ps_frm->e_color_fmt;
116 
117     /* Copy top field structure to bottom field, since properties of both fields are same */
118     *ps_bot_fld = *ps_top_fld;
119 
120     /* Initialize the addresses for top field */
121     ps_top_fld->apu1_buf[0] = ps_frm->apu1_buf[0];
122     ps_top_fld->apu1_buf[1] = ps_frm->apu1_buf[1];
123     ps_top_fld->apu1_buf[2] = ps_frm->apu1_buf[2];
124 
125     /* Initialize the addresses for bottom field */
126     ps_bot_fld->apu1_buf[0] = ps_frm->apu1_buf[0] + ps_frm->ai4_strd[0];
127     ps_bot_fld->apu1_buf[1] = ps_frm->apu1_buf[1] + ps_frm->ai4_strd[1];
128     ps_bot_fld->apu1_buf[2] = ps_frm->apu1_buf[2] + ps_frm->ai4_strd[2];
129 
130     return;
131 }
132 
133 
impeg2d_get_arch(IVD_ARCH_T e_arch)134 static ICV_ARCH_T impeg2d_get_arch(IVD_ARCH_T e_arch)
135 {
136     ICV_ARCH_T ret_arch;
137     WORD32 num_entries, i;
138 
139     ret_arch = ICV_ARM_A9;
140     num_entries = sizeof(gas_impeg2d_arch_mapping) / sizeof(gas_impeg2d_arch_mapping[0]);
141     for(i = 0; i < num_entries; i++)
142     {
143         if(e_arch == gas_impeg2d_arch_mapping[i].ivd_arch)
144         {
145             ret_arch = gas_impeg2d_arch_mapping[i].icv_arch;
146             break;
147         }
148     }
149     return ret_arch;
150 }
151 
152 /******************************************************************************
153 *  Function Name   : impeg2d_deinterlace
154 *
155 *  Description     : Deinterlace current picture
156 *
157 *  Arguments       :
158 *  dec             : Decoder Context
159 *
160 *  Values Returned : 0 on success, -1 on error
161 ******************************************************************************/
impeg2d_deint_ctxt_size(void)162 WORD32 impeg2d_deint_ctxt_size(void)
163 {
164     return ideint_ctxt_size();
165 }
166 
167 /******************************************************************************
168 *  Function Name   : impeg2d_deinterlace
169 *
170 *  Description     : Deinterlace current picture
171 *
172 *  Arguments       :
173 *  dec             : Decoder Context
174 *
175 *  Values Returned : 0 on success, -1 on error
176 ******************************************************************************/
impeg2d_deinterlace(dec_state_t * ps_dec,pic_buf_t * ps_src_pic,iv_yuv_buf_t * ps_disp_frm_buf,WORD32 start_row,WORD32 num_rows)177 WORD32 impeg2d_deinterlace(dec_state_t *ps_dec,
178                            pic_buf_t *ps_src_pic,
179                            iv_yuv_buf_t *ps_disp_frm_buf,
180                            WORD32 start_row,
181                            WORD32 num_rows)
182 {
183     icv_pic_t as_inp_flds[3];
184     IDEINT_ERROR_T ret;
185     icv_pic_t s_src_frm;
186     icv_pic_t s_dst_frm;
187     UWORD8 *pu1_dst_y, *pu1_dst_u, *pu1_dst_v;
188     ideint_params_t s_params;
189 
190     if((NULL == ps_src_pic) || (NULL == ps_src_pic->pu1_y) || (0 == num_rows))
191         return -1;
192 
193     s_params.e_arch = impeg2d_get_arch(ps_dec->e_processor_arch);
194     s_params.e_soc = ICV_SOC_GENERIC;
195     s_params.e_mode = IDEINT_MODE_SPATIAL;
196     s_params.i4_cur_fld_top = ps_dec->u2_top_field_first;
197     s_params.i4_disable_weave = 0;
198     s_params.pf_aligned_alloc = NULL;
199     s_params.pf_aligned_free = NULL;
200 
201     impeg2d_get_pic(&s_src_frm, ps_src_pic->pu1_y, ps_src_pic->pu1_u,
202                     ps_src_pic->pu1_v, ps_dec->u2_horizontal_size,
203                     ps_dec->u2_vertical_size, ps_dec->u2_frame_width);
204     impeg2d_get_flds(&s_src_frm, &as_inp_flds[1], &as_inp_flds[2]);
205 
206     if(ps_dec->ps_deint_pic)
207     {
208         icv_pic_t s_prv_frm;
209         icv_pic_t s_fld;
210         impeg2d_get_pic(&s_prv_frm, ps_dec->ps_deint_pic->pu1_y,
211                         ps_dec->ps_deint_pic->pu1_u,
212                         ps_dec->ps_deint_pic->pu1_v, ps_dec->u2_horizontal_size,
213                         ps_dec->u2_vertical_size, ps_dec->u2_frame_width);
214         impeg2d_get_flds(&s_prv_frm, &s_fld, &as_inp_flds[0]);
215     }
216     else
217     {
218         as_inp_flds[0].apu1_buf[0] = NULL;
219         as_inp_flds[0].apu1_buf[1] = NULL;
220         as_inp_flds[0].apu1_buf[2] = NULL;
221     }
222 
223     pu1_dst_y = ps_disp_frm_buf->pv_y_buf;
224     pu1_dst_u = ps_disp_frm_buf->pv_u_buf;
225     pu1_dst_v = ps_disp_frm_buf->pv_v_buf;
226 
227     /* Use intermediate buffer as output to deinterlacer,
228      * if color format is not 420P
229      */
230     if(IV_YUV_420P != ps_dec->i4_chromaFormat)
231     {
232         UWORD8 *pu1_buf_y;
233         UWORD8 *pu1_buf_u;
234         UWORD8 *pu1_buf_v;
235         WORD32 wd = ALIGN16(ps_dec->u2_horizontal_size);
236         WORD32 ht = ALIGN16(ps_dec->u2_vertical_size);
237 
238         pu1_buf_y = ps_dec->pu1_deint_fmt_buf;
239         pu1_buf_u = pu1_buf_y + wd * ht;
240         pu1_buf_v = pu1_buf_u + wd * ht / 4;
241 
242         pu1_dst_u = pu1_buf_u;
243         pu1_dst_v = pu1_buf_v;
244 
245         if((ps_dec->i4_chromaFormat != IV_YUV_420SP_UV) &&
246            (ps_dec->i4_chromaFormat != IV_YUV_420SP_VU))
247         {
248             pu1_dst_y = pu1_buf_y;
249         }
250 
251     }
252     impeg2d_get_pic(&s_dst_frm, pu1_dst_y, pu1_dst_u, pu1_dst_v,
253                     ps_dec->u2_horizontal_size, ps_dec->u2_vertical_size,
254                     ps_dec->u4_frm_buf_stride);
255 
256 
257     ret = ideint_process(ps_dec->pv_deinterlacer_ctxt, &as_inp_flds[0],
258                          &as_inp_flds[1], &as_inp_flds[2], &s_dst_frm,
259                          &s_params, start_row, num_rows);
260 
261     if(IDEINT_ERROR_NONE != ret)
262     {
263         return -1;
264     }
265 
266     /* Format convert deinterlacer output if required*/
267     if(IV_YUV_420P != ps_dec->i4_chromaFormat)
268     {
269         pic_buf_t s_src_pic;
270 
271         s_src_pic = *ps_src_pic;
272         s_src_pic.pu1_y = pu1_dst_y;
273         s_src_pic.pu1_u = pu1_dst_u;
274         s_src_pic.pu1_v = pu1_dst_v;
275 
276         impeg2d_format_convert(ps_dec,
277                                &s_src_pic,
278                                ps_disp_frm_buf,
279                                start_row,
280                                num_rows);
281 
282     }
283     return 0;
284 
285 }
286