1 /*
2 * Copyright 2022 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "GoldfishH264Helper.h"
18
19 #define LOG_TAG "GoldfishH264Helper"
20 #include <log/log.h>
21
22 #define DEBUG 0
23 #if DEBUG
24 #define DDD(fmt, ...) ALOGD("%s %d:" fmt, __func__, __LINE__, ##__VA_ARGS__)
25 #else
26 #define DDD(...) ((void)0)
27 #endif
28
29
30 #include <Codec2Mapper.h>
31
32 #define ivdec_api_function ih264d_api_function
33 #define ivdext_create_ip_t ih264d_create_ip_t
34 #define ivdext_create_op_t ih264d_create_op_t
35 #define ivdext_delete_ip_t ih264d_delete_ip_t
36 #define ivdext_delete_op_t ih264d_delete_op_t
37 #define ivdext_ctl_set_num_cores_ip_t ih264d_ctl_set_num_cores_ip_t
38 #define ivdext_ctl_set_num_cores_op_t ih264d_ctl_set_num_cores_op_t
39 #define ivdext_ctl_get_vui_params_ip_t ih264d_ctl_get_vui_params_ip_t
40 #define ivdext_ctl_get_vui_params_op_t ih264d_ctl_get_vui_params_op_t
41 #define ALIGN128(x) ((((x) + 127) >> 7) << 7)
42 #define MAX_NUM_CORES 4
43 #define IVDEXT_CMD_CTL_SET_NUM_CORES \
44 (IVD_CONTROL_API_COMMAND_TYPE_T)IH264D_CMD_CTL_SET_NUM_CORES
45 #define MIN(a, b) (((a) < (b)) ? (a) : (b))
46
47 namespace android {
48
ivd_aligned_malloc(void * ctxt,WORD32 alignment,WORD32 size)49 static void *ivd_aligned_malloc(void *ctxt, WORD32 alignment, WORD32 size) {
50 (void) ctxt;
51 return memalign(alignment, size);
52 }
53
ivd_aligned_free(void * ctxt,void * mem)54 static void ivd_aligned_free(void *ctxt, void *mem) {
55 (void) ctxt;
56 free(mem);
57 }
58
59
GoldfishH264Helper(int w,int h)60 GoldfishH264Helper::GoldfishH264Helper(int w, int h):mWidth(w),mHeight(h) { createDecoder(); }
61
~GoldfishH264Helper()62 GoldfishH264Helper::~GoldfishH264Helper() {
63 destroyDecoder();
64 }
65
createDecoder()66 void GoldfishH264Helper::createDecoder() {
67 ivdext_create_ip_t s_create_ip = {};
68 ivdext_create_op_t s_create_op = {};
69
70 s_create_ip.s_ivd_create_ip_t.u4_size = sizeof(ivdext_create_ip_t);
71 s_create_ip.s_ivd_create_ip_t.e_cmd = IVD_CMD_CREATE;
72 s_create_ip.s_ivd_create_ip_t.u4_share_disp_buf = 0;
73 s_create_ip.s_ivd_create_ip_t.e_output_format = mIvColorformat;
74 s_create_ip.s_ivd_create_ip_t.pf_aligned_alloc = ivd_aligned_malloc;
75 s_create_ip.s_ivd_create_ip_t.pf_aligned_free = ivd_aligned_free;
76 s_create_ip.s_ivd_create_ip_t.pv_mem_ctxt = nullptr;
77 s_create_op.s_ivd_create_op_t.u4_size = sizeof(ivdext_create_op_t);
78 IV_API_CALL_STATUS_T status =
79 ivdec_api_function(mDecHandle, &s_create_ip, &s_create_op);
80 if (status != IV_SUCCESS) {
81 ALOGE("error in %s: 0x%x", __func__,
82 s_create_op.s_ivd_create_op_t.u4_error_code);
83 return;
84 }
85 mDecHandle = (iv_obj_t *)s_create_op.s_ivd_create_op_t.pv_handle;
86 mDecHandle->pv_fxns = (void *)ivdec_api_function;
87 mDecHandle->u4_size = sizeof(iv_obj_t);
88
89 mStride = ALIGN128(mWidth);
90
91 setNumCores();
92 }
93
destroyDecoder()94 void GoldfishH264Helper::destroyDecoder() {
95 if (mDecHandle) {
96 ivdext_delete_ip_t s_delete_ip = {};
97 ivdext_delete_op_t s_delete_op = {};
98
99 s_delete_ip.s_ivd_delete_ip_t.u4_size = sizeof(ivdext_delete_ip_t);
100 s_delete_ip.s_ivd_delete_ip_t.e_cmd = IVD_CMD_DELETE;
101 s_delete_op.s_ivd_delete_op_t.u4_size = sizeof(ivdext_delete_op_t);
102 IV_API_CALL_STATUS_T status =
103 ivdec_api_function(mDecHandle, &s_delete_ip, &s_delete_op);
104 if (status != IV_SUCCESS) {
105 ALOGE("error in %s: 0x%x", __func__,
106 s_delete_op.s_ivd_delete_op_t.u4_error_code);
107 }
108 mDecHandle = nullptr;
109 }
110 }
111
setNumCores()112 void GoldfishH264Helper::setNumCores() {
113 ivdext_ctl_set_num_cores_ip_t s_set_num_cores_ip = {};
114 ivdext_ctl_set_num_cores_op_t s_set_num_cores_op = {};
115
116 s_set_num_cores_ip.u4_size = sizeof(ivdext_ctl_set_num_cores_ip_t);
117 s_set_num_cores_ip.e_cmd = IVD_CMD_VIDEO_CTL;
118 s_set_num_cores_ip.e_sub_cmd = IVDEXT_CMD_CTL_SET_NUM_CORES;
119 s_set_num_cores_ip.u4_num_cores = mNumCores;
120 s_set_num_cores_op.u4_size = sizeof(ivdext_ctl_set_num_cores_op_t);
121 IV_API_CALL_STATUS_T status = ivdec_api_function(
122 mDecHandle, &s_set_num_cores_ip, &s_set_num_cores_op);
123 if (IV_SUCCESS != status) {
124 DDD("error in %s: 0x%x", __func__, s_set_num_cores_op.u4_error_code);
125 }
126 }
127
resetDecoder()128 void GoldfishH264Helper::resetDecoder() {
129 ivd_ctl_reset_ip_t s_reset_ip = {};
130 ivd_ctl_reset_op_t s_reset_op = {};
131
132 s_reset_ip.u4_size = sizeof(ivd_ctl_reset_ip_t);
133 s_reset_ip.e_cmd = IVD_CMD_VIDEO_CTL;
134 s_reset_ip.e_sub_cmd = IVD_CMD_CTL_RESET;
135 s_reset_op.u4_size = sizeof(ivd_ctl_reset_op_t);
136 IV_API_CALL_STATUS_T status =
137 ivdec_api_function(mDecHandle, &s_reset_ip, &s_reset_op);
138 if (IV_SUCCESS != status) {
139 ALOGE("error in %s: 0x%x", __func__, s_reset_op.u4_error_code);
140 }
141 setNumCores();
142 }
143
setParams(size_t stride,IVD_VIDEO_DECODE_MODE_T dec_mode)144 void GoldfishH264Helper::setParams(size_t stride,
145 IVD_VIDEO_DECODE_MODE_T dec_mode) {
146 ih264d_ctl_set_config_ip_t s_h264d_set_dyn_params_ip = {};
147 ih264d_ctl_set_config_op_t s_h264d_set_dyn_params_op = {};
148 ivd_ctl_set_config_ip_t *ps_set_dyn_params_ip =
149 &s_h264d_set_dyn_params_ip.s_ivd_ctl_set_config_ip_t;
150 ivd_ctl_set_config_op_t *ps_set_dyn_params_op =
151 &s_h264d_set_dyn_params_op.s_ivd_ctl_set_config_op_t;
152
153 ps_set_dyn_params_ip->u4_size = sizeof(ih264d_ctl_set_config_ip_t);
154 ps_set_dyn_params_ip->e_cmd = IVD_CMD_VIDEO_CTL;
155 ps_set_dyn_params_ip->e_sub_cmd = IVD_CMD_CTL_SETPARAMS;
156 ps_set_dyn_params_ip->u4_disp_wd = (UWORD32) stride;
157 ps_set_dyn_params_ip->e_frm_skip_mode = IVD_SKIP_NONE;
158 ps_set_dyn_params_ip->e_frm_out_mode = IVD_DISPLAY_FRAME_OUT;
159 ps_set_dyn_params_ip->e_vid_dec_mode = dec_mode;
160 ps_set_dyn_params_op->u4_size = sizeof(ih264d_ctl_set_config_op_t);
161 IV_API_CALL_STATUS_T status = ivdec_api_function(mDecHandle,
162 &s_h264d_set_dyn_params_ip,
163 &s_h264d_set_dyn_params_op);
164 if (status != IV_SUCCESS) {
165 ALOGE("error in %s: 0x%x", __func__,
166 ps_set_dyn_params_op->u4_error_code);
167 }
168 }
169
isSpsFrame(const uint8_t * frame,int inSize)170 bool GoldfishH264Helper::isSpsFrame(const uint8_t* frame, int inSize) {
171 if (inSize < 5) return false;
172 if (frame[0] == 0 && frame[1] == 0 && frame[2] == 0 && frame[3] == 1) {
173 const bool forbiddenBitIsInvalid = 0x80 & frame[4];
174 if (forbiddenBitIsInvalid) {
175 return false;
176 }
177 // nalu type is the lower 5 bits
178 uint8_t naluType = 0x1f & frame[4];
179 if (naluType == 7
180 || naluType == 8
181 ) return true;
182 else return false;
183 } else {
184 return false;
185 }
186 }
187
decodeHeader(const uint8_t * frame,int inSize)188 bool GoldfishH264Helper::decodeHeader(const uint8_t *frame, int inSize) {
189 DDD("entering");
190 // should we check the header for vps/sps/pps frame ? otherwise
191 // there is no point calling decoder
192 if (!isSpsFrame(frame, inSize)) {
193 DDD("could not find valid vps frame");
194 DDD("leaving with false");
195 return false;
196 } else {
197 DDD("found valid vps frame");
198 }
199
200 ih264d_video_decode_ip_t s_h264d_decode_ip = {};
201 ih264d_video_decode_op_t s_h264d_decode_op = {};
202 ivd_video_decode_ip_t *ps_decode_ip = &s_h264d_decode_ip.s_ivd_video_decode_ip_t;
203 ivd_video_decode_op_t *ps_decode_op = &s_h264d_decode_op.s_ivd_video_decode_op_t;
204
205 // setup input/output arguments to decoder
206 setDecodeArgs(ps_decode_ip, ps_decode_op, frame, mStride,
207 0, // offset
208 inSize, // size
209 0 // time-stamp, does not matter
210 );
211
212 setParams(mStride, IVD_DECODE_HEADER);
213
214 // now kick off the decoding
215 ivdec_api_function(mDecHandle, ps_decode_ip, ps_decode_op);
216
217 if (IVD_RES_CHANGED == (ps_decode_op->u4_error_code & IVD_ERROR_MASK)) {
218 DDD("resolution changed, reset decoder");
219 resetDecoder();
220 setParams(mStride, IVD_DECODE_HEADER);
221 ivdec_api_function(mDecHandle, ps_decode_ip, ps_decode_op);
222 }
223
224 // get the w/h and update
225 if (0 < ps_decode_op->u4_pic_wd && 0 < ps_decode_op->u4_pic_ht) {
226 DDD("success decode w/h %d %d", ps_decode_op->u4_pic_wd , ps_decode_op->u4_pic_ht);
227 DDD("existing w/h %d %d", mWidth, mHeight);
228 if (ps_decode_op->u4_pic_wd != mWidth || ps_decode_op->u4_pic_ht != mHeight) {
229 mWidth = ps_decode_op->u4_pic_wd;
230 mHeight = ps_decode_op->u4_pic_ht;
231 DDD("leaving with true");
232 return true;
233 } else {
234 DDD("success decode w/h, but they are the same %d %d", ps_decode_op->u4_pic_wd , ps_decode_op->u4_pic_ht);
235 }
236 }
237
238 // get output delay
239 if (ps_decode_op->i4_reorder_depth >= 0) {
240 if (mOutputDelay != ps_decode_op->i4_reorder_depth) {
241 mOutputDelay = ps_decode_op->i4_reorder_depth;
242 DDD("New Output delay %d ", mOutputDelay);
243 } else {
244 DDD("same Output delay %d ", mOutputDelay);
245 }
246 }
247
248 DDD("leaving with false");
249 return false;
250 }
251
setDecodeArgs(ivd_video_decode_ip_t * ps_decode_ip,ivd_video_decode_op_t * ps_decode_op,const uint8_t * inBuffer,uint32_t displayStride,size_t inOffset,size_t inSize,uint32_t tsMarker)252 bool GoldfishH264Helper::setDecodeArgs(ivd_video_decode_ip_t *ps_decode_ip,
253 ivd_video_decode_op_t *ps_decode_op,
254 const uint8_t *inBuffer,
255 uint32_t displayStride, size_t inOffset,
256 size_t inSize, uint32_t tsMarker) {
257 uint32_t displayHeight = mHeight;
258 size_t lumaSize = displayStride * displayHeight;
259 size_t chromaSize = lumaSize >> 2;
260
261 if (mStride != displayStride) {
262 mStride = displayStride;
263 }
264
265 // force decoder to always decode header and get dimensions,
266 // hope this will be quick and cheap
267 setParams(mStride, IVD_DECODE_HEADER);
268
269 ps_decode_ip->u4_size = sizeof(ih264d_video_decode_ip_t);
270 ps_decode_ip->e_cmd = IVD_CMD_VIDEO_DECODE;
271 if (inBuffer) {
272 ps_decode_ip->u4_ts = tsMarker;
273 ps_decode_ip->pv_stream_buffer = const_cast<uint8_t *>(inBuffer) + inOffset;
274 ps_decode_ip->u4_num_Bytes = inSize;
275 } else {
276 ps_decode_ip->u4_ts = 0;
277 ps_decode_ip->pv_stream_buffer = nullptr;
278 ps_decode_ip->u4_num_Bytes = 0;
279 }
280 DDD("setting pv_stream_buffer 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x",
281 ((uint8_t*)(ps_decode_ip->pv_stream_buffer))[0],
282 ((uint8_t*)(ps_decode_ip->pv_stream_buffer))[1],
283 ((uint8_t*)(ps_decode_ip->pv_stream_buffer))[2],
284 ((uint8_t*)(ps_decode_ip->pv_stream_buffer))[3],
285 ((uint8_t*)(ps_decode_ip->pv_stream_buffer))[4],
286 ((uint8_t*)(ps_decode_ip->pv_stream_buffer))[5],
287 ((uint8_t*)(ps_decode_ip->pv_stream_buffer))[6],
288 ((uint8_t*)(ps_decode_ip->pv_stream_buffer))[7]
289 );
290 DDD("input bytes %d", ps_decode_ip->u4_num_Bytes);
291
292 ps_decode_ip->s_out_buffer.u4_min_out_buf_size[0] = lumaSize;
293 ps_decode_ip->s_out_buffer.u4_min_out_buf_size[1] = chromaSize;
294 ps_decode_ip->s_out_buffer.u4_min_out_buf_size[2] = chromaSize;
295 {
296 ps_decode_ip->s_out_buffer.pu1_bufs[0] = nullptr;
297 ps_decode_ip->s_out_buffer.pu1_bufs[1] = nullptr;
298 ps_decode_ip->s_out_buffer.pu1_bufs[2] = nullptr;
299 }
300 ps_decode_ip->s_out_buffer.u4_num_bufs = 3;
301 ps_decode_op->u4_size = sizeof(ih264d_video_decode_op_t);
302 ps_decode_op->u4_output_present = 0;
303
304 return true;
305 }
306
307 } // namespace android
308