Shalaj Jain | 273b3e0 | 2012-06-22 19:08:03 -0700 | [diff] [blame] | 1 | /*-------------------------------------------------------------------------- |
| 2 | Copyright (c) 2010-2012, Code Aurora Forum. All rights reserved. |
| 3 | |
| 4 | Redistribution and use in source and binary forms, with or without |
| 5 | modification, are permitted provided that the following conditions are met: |
| 6 | * Redistributions of source code must retain the above copyright |
| 7 | notice, this list of conditions and the following disclaimer. |
| 8 | * Redistributions in binary form must reproduce the above copyright |
| 9 | notice, this list of conditions and the following disclaimer in the |
| 10 | documentation and/or other materials provided with the distribution. |
| 11 | * Neither the name of Code Aurora nor |
| 12 | the names of its contributors may be used to endorse or promote |
| 13 | products derived from this software without specific prior written |
| 14 | permission. |
| 15 | |
| 16 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 17 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 18 | IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 19 | NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| 20 | CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 21 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 22 | PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 23 | OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 24 | WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| 25 | OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 26 | ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | --------------------------------------------------------------------------*/ |
| 28 | |
| 29 | #include "extra_data_handler.h" |
| 30 | |
| 31 | extra_data_handler::extra_data_handler() |
| 32 | { |
| 33 | rbsp_buf = (OMX_U8 *) calloc(1,100); |
| 34 | memset(&frame_packing_arrangement,0,sizeof(frame_packing_arrangement)); |
| 35 | frame_packing_arrangement.cancel_flag = 1; |
| 36 | pack_sei = false; |
| 37 | sei_payload_type = -1; |
| 38 | } |
| 39 | |
| 40 | extra_data_handler::~extra_data_handler() |
| 41 | { |
| 42 | if(rbsp_buf) { |
| 43 | free(rbsp_buf); |
| 44 | rbsp_buf = NULL; |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | OMX_U32 extra_data_handler::d_u(OMX_U32 num_bits) |
| 49 | { |
| 50 | OMX_U32 rem_bits = num_bits, bins = 0, shift = 0; |
| 51 | |
| 52 | while(rem_bits >= bit_ptr) { |
| 53 | DEBUG_PRINT_LOW("\nIn %s() bit_ptr/byte_ptr :%d/%d/%x", __func__, bit_ptr, |
| 54 | byte_ptr, rbsp_buf[byte_ptr]); |
| 55 | bins <<= shift; |
| 56 | shift = (8-bit_ptr); |
| 57 | bins |= ((rbsp_buf[byte_ptr] << shift) & 0xFF) >> shift; |
| 58 | rem_bits -= bit_ptr; |
| 59 | bit_ptr = 8; |
| 60 | byte_ptr ++; |
| 61 | } |
| 62 | DEBUG_PRINT_LOW("\nIn %s() bit_ptr/byte_ptr :%d/%d/%x", __func__, bit_ptr, |
| 63 | byte_ptr, rbsp_buf[byte_ptr]); |
| 64 | |
| 65 | if (rem_bits) { |
| 66 | bins <<= rem_bits; |
| 67 | bins |= ((rbsp_buf[byte_ptr] << (8-bit_ptr)) & 0xFF) >> (8-rem_bits); |
| 68 | bit_ptr -= rem_bits; |
| 69 | if (bit_ptr == 0) { |
| 70 | bit_ptr = 8; |
| 71 | byte_ptr++; |
| 72 | } |
| 73 | } |
| 74 | DEBUG_PRINT_LOW("\nIn %s() bit_ptr/byte_ptr :%d/%d/%x", __func__, bit_ptr, |
| 75 | byte_ptr, rbsp_buf[byte_ptr]); |
| 76 | |
| 77 | DEBUG_PRINT_LOW("\nIn %s() bin/num_bits : %x/%d", __func__, bins, num_bits); |
| 78 | return bins; |
| 79 | } |
| 80 | |
| 81 | OMX_U32 extra_data_handler::d_ue() |
| 82 | { |
| 83 | OMX_S32 lead_zeros = -1; |
| 84 | OMX_U32 symbol, bit; |
| 85 | do{ |
| 86 | bit = d_u(1); |
| 87 | lead_zeros++; |
| 88 | }while (!bit); |
| 89 | |
| 90 | symbol = ((1 << lead_zeros) - 1) + d_u(lead_zeros); |
| 91 | |
| 92 | DEBUG_PRINT_LOW("\nIn %s() symbol : %d", __func__,symbol); |
| 93 | return symbol; |
| 94 | } |
| 95 | |
| 96 | OMX_U32 extra_data_handler::parse_frame_pack(OMX_U32 payload_size) |
| 97 | { |
| 98 | frame_packing_arrangement.id = d_ue(); |
| 99 | frame_packing_arrangement.cancel_flag = d_u(1); |
| 100 | if(!frame_packing_arrangement.cancel_flag) { |
| 101 | frame_packing_arrangement.type = d_u(7); |
| 102 | frame_packing_arrangement.quincunx_sampling_flag = d_u(1); |
| 103 | frame_packing_arrangement.content_interpretation_type = d_u(6); |
| 104 | frame_packing_arrangement.spatial_flipping_flag = d_u(1); |
| 105 | frame_packing_arrangement.frame0_flipped_flag = d_u(1); |
| 106 | frame_packing_arrangement.field_views_flag = d_u(1); |
| 107 | frame_packing_arrangement.current_frame_is_frame0_flag = d_u(1); |
| 108 | frame_packing_arrangement.frame0_self_contained_flag = d_u(1); |
| 109 | frame_packing_arrangement.frame1_self_contained_flag = d_u(1); |
| 110 | |
| 111 | if(!frame_packing_arrangement.quincunx_sampling_flag && |
| 112 | frame_packing_arrangement.type != 5) { |
| 113 | frame_packing_arrangement.frame0_grid_position_x = d_u(4); |
| 114 | frame_packing_arrangement.frame0_grid_position_y = d_u(4); |
| 115 | frame_packing_arrangement.frame1_grid_position_x = d_u(4); |
| 116 | frame_packing_arrangement.frame1_grid_position_y = d_u(4); |
| 117 | } |
| 118 | frame_packing_arrangement.reserved_byte = d_u(8); |
| 119 | frame_packing_arrangement.repetition_period = d_ue(); |
| 120 | } |
| 121 | frame_packing_arrangement.extension_flag = d_u(1); |
| 122 | |
| 123 | return 1; |
| 124 | } |
| 125 | |
| 126 | OMX_S32 extra_data_handler::parse_rbsp(OMX_U8 *buf, OMX_U32 len) |
| 127 | { |
| 128 | OMX_U32 i = 3, j=0, startcode; |
| 129 | OMX_U32 nal_unit_type, nal_ref_idc, forbidden_zero_bit; |
| 130 | |
| 131 | bit_ptr = 8; |
| 132 | byte_ptr = 0; |
| 133 | |
| 134 | startcode = buf[0] << 16 | buf[1] <<8 | buf[2]; |
| 135 | |
| 136 | if (!startcode) { |
| 137 | startcode |= buf[i++]; |
| 138 | } |
| 139 | if(startcode != H264_START_CODE) { |
| 140 | DEBUG_PRINT_ERROR("\nERROR: In %s() Start code not found", __func__); |
| 141 | return -1; |
| 142 | } |
| 143 | forbidden_zero_bit = (buf[i] & 0x80) >>7; |
| 144 | if(forbidden_zero_bit) { |
| 145 | DEBUG_PRINT_ERROR("\nERROR: In %s() Non-zero forbidden bit", __func__); |
| 146 | return -1; |
| 147 | } |
| 148 | nal_ref_idc = (buf[i] & 0x60) >>5; |
| 149 | DEBUG_PRINT_LOW("\nIn %s() nal_ref_idc ; %d", __func__, nal_ref_idc); |
| 150 | |
| 151 | nal_unit_type = (buf[i++] & 0x1F); |
| 152 | |
| 153 | while(i<len) { |
| 154 | if(!(buf[i] + buf[i+1]) && (buf[i+2] == H264_EMULATION_BYTE) && |
| 155 | (i+2 < len)) { |
| 156 | rbsp_buf[j++] = buf[i++]; |
| 157 | rbsp_buf[j++] = buf[i++]; |
| 158 | i++; |
| 159 | } else |
| 160 | rbsp_buf[j++] = buf[i++]; |
| 161 | } |
| 162 | return nal_unit_type; |
| 163 | } |
| 164 | OMX_S32 extra_data_handler::parse_sei(OMX_U8 *buffer, OMX_U32 buffer_length) |
| 165 | { |
| 166 | OMX_U32 nal_unit_type, payload_type = 0, payload_size = 0; |
| 167 | OMX_U32 marker = 0, pad = 0xFF; |
| 168 | |
| 169 | nal_unit_type = parse_rbsp(buffer, buffer_length); |
| 170 | |
| 171 | if (nal_unit_type != NAL_TYPE_SEI) { |
| 172 | DEBUG_PRINT_ERROR("\nERROR: In %s() - Non SEI NAL ", __func__); |
| 173 | return -1; |
| 174 | } else { |
| 175 | |
| 176 | while(rbsp_buf[byte_ptr] == 0xFF) |
| 177 | payload_type += rbsp_buf[byte_ptr++]; |
| 178 | payload_type += rbsp_buf[byte_ptr++]; |
| 179 | |
| 180 | DEBUG_PRINT_LOW("\nIn %s() payload_type : %u", __func__, payload_type); |
| 181 | |
| 182 | while(rbsp_buf[byte_ptr] == 0xFF) |
| 183 | payload_size += rbsp_buf[byte_ptr++]; |
| 184 | payload_size += rbsp_buf[byte_ptr++]; |
| 185 | |
| 186 | DEBUG_PRINT_LOW("\nIn %s() payload_size : %u", __func__, payload_size); |
| 187 | |
| 188 | switch(payload_type) { |
| 189 | case SEI_PAYLOAD_FRAME_PACKING_ARRANGEMENT: |
| 190 | DEBUG_PRINT_LOW("\nIn %s() Frame Packing SEI ", __func__); |
| 191 | parse_frame_pack(payload_size); |
| 192 | break; |
| 193 | default: |
| 194 | DEBUG_PRINT_LOW("\nINFO: In %s() Not Supported SEI NAL ", __func__); |
| 195 | break; |
| 196 | } |
| 197 | } |
| 198 | if(bit_ptr != 8) { |
| 199 | marker = d_u(1); |
| 200 | if(marker) { |
| 201 | if(bit_ptr != 8) { |
| 202 | pad = d_u(bit_ptr); |
| 203 | if(pad) { |
| 204 | DEBUG_PRINT_ERROR("\nERROR: In %s() padding Bits Error in SEI", |
| 205 | __func__); |
| 206 | return -1; |
| 207 | } |
| 208 | } |
| 209 | } else { |
| 210 | DEBUG_PRINT_ERROR("\nERROR: In %s() Marker Bit Error in SEI", |
| 211 | __func__); |
| 212 | return -1; |
| 213 | } |
| 214 | } |
| 215 | DEBUG_PRINT_LOW("\nIn %s() payload_size : %u/%u", __func__, |
| 216 | payload_size, byte_ptr); |
| 217 | return 1; |
| 218 | } |
Maheshwar Ajja | 1c97642 | 2012-10-20 16:58:10 +0530 | [diff] [blame^] | 219 | |
| 220 | OMX_S32 extra_data_handler::parse_ltrinfo( |
| 221 | OMX_BUFFERHEADERTYPE *pBufHdr, OMX_OTHER_EXTRADATATYPE *pExtra) |
| 222 | { |
| 223 | OMX_U32 *pLTR; |
| 224 | pExtra->eType = (OMX_EXTRADATATYPE)OMX_ExtraDataVideoLTRInfo; |
| 225 | pLTR = (OMX_U32* )pExtra + 5; |
| 226 | DEBUG_PRINT_HIGH("ExtraData LTR ID %d", *pLTR, 0, 0); |
| 227 | return 0; |
| 228 | } |
Shalaj Jain | 273b3e0 | 2012-06-22 19:08:03 -0700 | [diff] [blame] | 229 | /*====================================================================== |
| 230 | Slice Information will be available as below (each line is of 4 bytes) |
| 231 | | number of slices | |
| 232 | | 1st slice offset | |
| 233 | | 1st slice size | |
| 234 | | .. | |
| 235 | | Nth slice offset | |
| 236 | | Nth slice size | |
| 237 | ======================================================================*/ |
| 238 | OMX_S32 extra_data_handler::parse_sliceinfo( |
| 239 | OMX_BUFFERHEADERTYPE *pBufHdr, OMX_OTHER_EXTRADATATYPE *pExtra) |
| 240 | { |
| 241 | OMX_U32 slice_offset = 0, slice_size = 0, total_size = 0; |
| 242 | OMX_U8 *pBuffer = (OMX_U8 *)pBufHdr->pBuffer; |
| 243 | OMX_U32 *data = (OMX_U32 *)pExtra->data; |
| 244 | OMX_U32 num_slices = *data; |
Maheshwar Ajja | 1c97642 | 2012-10-20 16:58:10 +0530 | [diff] [blame^] | 245 | DEBUG_PRINT_LOW("number of slices = %d", num_slices); |
Shalaj Jain | 273b3e0 | 2012-06-22 19:08:03 -0700 | [diff] [blame] | 246 | if ((4 + num_slices * 8) != (OMX_U32)pExtra->nDataSize) { |
| 247 | DEBUG_PRINT_ERROR("unknown error in slice info extradata"); |
| 248 | return -1; |
| 249 | } |
| 250 | for (int i = 0; i < num_slices; i++) { |
| 251 | slice_offset = (OMX_U32)(*(data + (i*2 + 1))); |
| 252 | if ((*(pBuffer + slice_offset + 0) != 0x00) || |
| 253 | (*(pBuffer + slice_offset + 1) != 0x00) || |
| 254 | (*(pBuffer + slice_offset + 2) != 0x00) || |
| 255 | (*(pBuffer + slice_offset + 3) != H264_START_CODE)) { |
| 256 | DEBUG_PRINT_ERROR("found 0x%x instead of start code at offset[%d] " |
| 257 | "for slice[%d]", (OMX_U32)(*(OMX_U32 *)(pBuffer + slice_offset)), |
| 258 | slice_offset, i); |
| 259 | return -1; |
| 260 | } |
| 261 | if (slice_offset != total_size) { |
| 262 | DEBUG_PRINT_ERROR("offset of slice number %d is not correct " |
| 263 | "or previous slice size is not correct", i); |
| 264 | return -1; |
| 265 | } |
| 266 | slice_size = (OMX_U32)(*(data + (i*2 + 2))); |
| 267 | total_size += slice_size; |
Maheshwar Ajja | 1c97642 | 2012-10-20 16:58:10 +0530 | [diff] [blame^] | 268 | DEBUG_PRINT_LOW("slice number %d offset/size = %d/%d", |
Shalaj Jain | 273b3e0 | 2012-06-22 19:08:03 -0700 | [diff] [blame] | 269 | i, slice_offset, slice_size); |
| 270 | } |
| 271 | if (pBufHdr->nFilledLen != total_size) { |
| 272 | DEBUG_PRINT_ERROR("frame_size[%d] is not equal to " |
| 273 | "total slices size[%d]", pBufHdr->nFilledLen, total_size); |
| 274 | return -1; |
| 275 | } |
| 276 | return 0; |
| 277 | } |
| 278 | |
| 279 | OMX_U32 extra_data_handler::parse_extra_data(OMX_BUFFERHEADERTYPE *buf_hdr) |
| 280 | { |
Maheshwar Ajja | 1c97642 | 2012-10-20 16:58:10 +0530 | [diff] [blame^] | 281 | DEBUG_PRINT_LOW("In %s() flags: 0x%x", __func__,buf_hdr->nFlags); |
Shalaj Jain | 273b3e0 | 2012-06-22 19:08:03 -0700 | [diff] [blame] | 282 | |
| 283 | if (buf_hdr->nFlags & OMX_BUFFERFLAG_EXTRADATA) { |
Maheshwar Ajja | 1c97642 | 2012-10-20 16:58:10 +0530 | [diff] [blame^] | 284 | |
| 285 | OMX_OTHER_EXTRADATATYPE *extra_data = (OMX_OTHER_EXTRADATATYPE *) |
| 286 | ((unsigned)(buf_hdr->pBuffer + buf_hdr->nOffset + |
| 287 | buf_hdr->nFilledLen + 3)&(~3)); |
| 288 | |
| 289 | while(extra_data && |
| 290 | ((OMX_U32)extra_data > (OMX_U32)buf_hdr->pBuffer) && |
| 291 | ((OMX_U32)extra_data < (OMX_U32)buf_hdr->pBuffer + buf_hdr->nAllocLen)) { |
| 292 | |
| 293 | DEBUG_PRINT_LOW("extradata(0x%x): nSize = 0x%x, eType = 0x%x," |
| 294 | " nDataSize = 0x%x", (unsigned)extra_data, extra_data->nSize, |
| 295 | extra_data->eType, extra_data->nDataSize); |
| 296 | |
| 297 | if ((extra_data->eType == VDEC_EXTRADATA_NONE) || |
| 298 | (extra_data->eType == VEN_EXTRADATA_NONE)) { |
| 299 | DEBUG_PRINT_LOW("No more extradata available"); |
| 300 | extra_data->eType = OMX_ExtraDataNone; |
| 301 | break; |
| 302 | } |
| 303 | else if (extra_data->eType == VDEC_EXTRADATA_SEI) { |
| 304 | DEBUG_PRINT_LOW("Extradata SEI of size %d found, " |
| 305 | "parsing it", extra_data->nDataSize); |
Shalaj Jain | 273b3e0 | 2012-06-22 19:08:03 -0700 | [diff] [blame] | 306 | parse_sei(extra_data->data, extra_data->nDataSize); |
| 307 | } |
| 308 | else if (extra_data->eType == VEN_EXTRADATA_QCOMFILLER) { |
Maheshwar Ajja | 1c97642 | 2012-10-20 16:58:10 +0530 | [diff] [blame^] | 309 | DEBUG_PRINT_LOW("Extradata Qcom Filler found, skip %d bytes", |
Shalaj Jain | 273b3e0 | 2012-06-22 19:08:03 -0700 | [diff] [blame] | 310 | extra_data->nSize); |
| 311 | } |
| 312 | else if (extra_data->eType == VEN_EXTRADATA_SLICEINFO) { |
Maheshwar Ajja | 1c97642 | 2012-10-20 16:58:10 +0530 | [diff] [blame^] | 313 | DEBUG_PRINT_LOW("Extradata SliceInfo of size %d found, " |
Shalaj Jain | 273b3e0 | 2012-06-22 19:08:03 -0700 | [diff] [blame] | 314 | "parsing it", extra_data->nDataSize); |
| 315 | parse_sliceinfo(buf_hdr, extra_data); |
| 316 | } |
Maheshwar Ajja | 1c97642 | 2012-10-20 16:58:10 +0530 | [diff] [blame^] | 317 | #ifndef _MSM8974_ |
| 318 | else if (extra_data->eType == VEN_EXTRADATA_LTRINFO) { |
| 319 | DEBUG_PRINT_LOW("Extradata LTRInfo of size %d found, " |
| 320 | "parsing it", extra_data->nDataSize); |
| 321 | parse_ltrinfo(buf_hdr, extra_data); |
| 322 | } |
| 323 | #endif |
| 324 | else { |
| 325 | DEBUG_PRINT_ERROR("Unknown extradata(0x%x) found, nSize = 0x%x, " |
| 326 | "eType = 0x%x, nDataSize = 0x%x", (unsigned)extra_data, |
| 327 | extra_data->nSize, extra_data->eType, extra_data->nDataSize); |
| 328 | buf_hdr->nFlags &= ~(OMX_BUFFERFLAG_EXTRADATA); |
| 329 | break; |
| 330 | } |
Shalaj Jain | 273b3e0 | 2012-06-22 19:08:03 -0700 | [diff] [blame] | 331 | extra_data = (OMX_OTHER_EXTRADATATYPE *) (((OMX_U8 *) extra_data) + |
| 332 | extra_data->nSize); |
| 333 | } |
| 334 | } |
| 335 | return 1; |
| 336 | } |
| 337 | |
| 338 | OMX_U32 extra_data_handler::get_frame_pack_data( |
| 339 | OMX_QCOM_FRAME_PACK_ARRANGEMENT *frame_pack) |
| 340 | { |
| 341 | DEBUG_PRINT_LOW("\n%s:%d get frame data", __func__, __LINE__); |
| 342 | memcpy(&frame_pack->id,&frame_packing_arrangement.id, |
| 343 | FRAME_PACK_SIZE*sizeof(OMX_U32)); |
| 344 | return 1; |
| 345 | } |
| 346 | |
| 347 | OMX_U32 extra_data_handler::set_frame_pack_data(OMX_QCOM_FRAME_PACK_ARRANGEMENT |
| 348 | *frame_pack) |
| 349 | { |
| 350 | DEBUG_PRINT_LOW("\n%s:%d set frame data", __func__, __LINE__); |
| 351 | memcpy(&frame_packing_arrangement.id, &frame_pack->id, |
| 352 | FRAME_PACK_SIZE*sizeof(OMX_U32)); |
| 353 | pack_sei = true; |
| 354 | sei_payload_type = SEI_PAYLOAD_FRAME_PACKING_ARRANGEMENT; |
| 355 | return 1; |
| 356 | } |
| 357 | |
| 358 | OMX_U32 extra_data_handler::e_u(OMX_U32 symbol, OMX_U32 num_bits) |
| 359 | { |
| 360 | OMX_U32 rem_bits = num_bits, shift; |
| 361 | |
| 362 | DEBUG_PRINT_LOW("\n%s bin : %x/%d", __func__, symbol, num_bits); |
| 363 | |
| 364 | while(rem_bits >= bit_ptr) { |
| 365 | shift = rem_bits - bit_ptr; |
| 366 | rbsp_buf[byte_ptr] |= (symbol >> shift); |
| 367 | symbol = (symbol << (32 - shift)) >> (32 - shift); |
| 368 | rem_bits -= bit_ptr; |
| 369 | DEBUG_PRINT_LOW("\n%sstream byte/rem_bits %x/%d", __func__, |
| 370 | rbsp_buf[byte_ptr], rem_bits); |
| 371 | byte_ptr ++; |
| 372 | bit_ptr = 8; |
| 373 | } |
| 374 | |
| 375 | if(rem_bits) { |
| 376 | shift = bit_ptr - rem_bits; |
| 377 | rbsp_buf[byte_ptr] |= (symbol << shift); |
| 378 | bit_ptr -= rem_bits; |
| 379 | DEBUG_PRINT_LOW("\n%s 2 stream byte/rem_bits %x", __func__, |
| 380 | rbsp_buf[byte_ptr], rem_bits); |
| 381 | if(bit_ptr == 0) { |
| 382 | bit_ptr = 8; |
| 383 | byte_ptr++; |
| 384 | } |
| 385 | } |
| 386 | return 1; |
| 387 | } |
| 388 | |
| 389 | OMX_U32 extra_data_handler::e_ue(OMX_U32 symbol) |
| 390 | { |
| 391 | OMX_U32 i, sym_len, sufix_len, info; |
| 392 | OMX_U32 nn =(symbol + 1) >> 1; |
| 393 | |
| 394 | DEBUG_PRINT_LOW("\n%s bin : %x", __func__, symbol); |
| 395 | |
| 396 | for(i=0; i < 33 && nn != 0; i++) |
| 397 | nn >>= 1; |
| 398 | |
| 399 | sym_len = ((i << 1) + 1); |
| 400 | info = symbol + 1 - (1 << i); |
| 401 | sufix_len = (1 << (sym_len >>1)); |
| 402 | info = sufix_len | (info & (sufix_len - 1)); |
| 403 | e_u(info, sym_len); |
| 404 | return 1; |
| 405 | } |
| 406 | |
| 407 | OMX_U32 extra_data_handler::create_frame_pack() |
| 408 | { |
| 409 | e_ue(frame_packing_arrangement.id); |
| 410 | e_u(frame_packing_arrangement.cancel_flag, 1); |
| 411 | if(!frame_packing_arrangement.cancel_flag) { |
| 412 | e_u(frame_packing_arrangement.type, 7); |
| 413 | e_u(frame_packing_arrangement.quincunx_sampling_flag, 1); |
| 414 | e_u(frame_packing_arrangement.content_interpretation_type, 6); |
| 415 | e_u(frame_packing_arrangement.spatial_flipping_flag, 1); |
| 416 | e_u(frame_packing_arrangement.frame0_flipped_flag, 1); |
| 417 | e_u(frame_packing_arrangement.field_views_flag, 1); |
| 418 | e_u(frame_packing_arrangement.current_frame_is_frame0_flag, 1); |
| 419 | e_u(frame_packing_arrangement.frame0_self_contained_flag, 1); |
| 420 | e_u(frame_packing_arrangement.frame1_self_contained_flag, 1); |
| 421 | if(!frame_packing_arrangement.quincunx_sampling_flag && |
| 422 | frame_packing_arrangement.type != 5) { |
| 423 | e_u(frame_packing_arrangement.frame0_grid_position_x, 4); |
| 424 | e_u(frame_packing_arrangement.frame0_grid_position_y, 4); |
| 425 | e_u(frame_packing_arrangement.frame1_grid_position_x, 4); |
| 426 | e_u(frame_packing_arrangement.frame1_grid_position_y, 4); |
| 427 | } |
| 428 | e_u(frame_packing_arrangement.reserved_byte, 8); |
| 429 | e_ue(frame_packing_arrangement.repetition_period); |
| 430 | } |
| 431 | e_u(frame_packing_arrangement.extension_flag, 1); |
| 432 | return 1; |
| 433 | } |
| 434 | |
| 435 | OMX_S32 extra_data_handler::create_rbsp(OMX_U8 *buf, OMX_U32 nalu_type) |
| 436 | { |
| 437 | OMX_U32 i, j = 7; |
| 438 | for(i = 0;i < 3;i++) |
| 439 | *buf++ = 0x00; |
| 440 | *buf++ = H264_START_CODE; |
| 441 | *buf++ = nalu_type; |
| 442 | *buf++ = (sei_payload_type & 0x000000FF); |
| 443 | *buf++ = byte_ptr - 1; //payload will contain 1 byte of rbsp_trailing_bits |
| 444 | //that shouldn't be taken into account |
| 445 | |
| 446 | for(i = 0;i < byte_ptr ;i += 2) { |
| 447 | *buf++ = rbsp_buf[i]; |
| 448 | j++; |
| 449 | if(i+1 < byte_ptr) { |
| 450 | *buf++ = rbsp_buf[i+1]; |
| 451 | j++; |
| 452 | if(!(rbsp_buf[i] + rbsp_buf[i+1])) { |
| 453 | *buf++ = H264_EMULATION_BYTE; |
| 454 | j++; |
| 455 | } |
| 456 | } |
| 457 | } |
| 458 | |
| 459 | DEBUG_PRINT_LOW("\n%s rbsp length %d", __func__, j); |
| 460 | return j; |
| 461 | } |
| 462 | |
| 463 | OMX_U32 extra_data_handler::create_sei(OMX_U8 *buffer) |
| 464 | { |
| 465 | OMX_U32 i, ret_val = 0; |
| 466 | |
| 467 | byte_ptr = 0; |
| 468 | bit_ptr = 8; |
| 469 | |
| 470 | if(sei_payload_type == SEI_PAYLOAD_FRAME_PACKING_ARRANGEMENT) { |
| 471 | create_frame_pack(); |
| 472 | |
| 473 | if(bit_ptr != 8) { |
| 474 | e_u(1,1); |
| 475 | if(bit_ptr != 8) |
| 476 | e_u(0,bit_ptr); |
| 477 | } |
| 478 | |
| 479 | //Payload will have been byte aligned by now, |
| 480 | //insert the rbsp trailing bits |
| 481 | e_u(1, 1); |
| 482 | e_u(0, 7); |
| 483 | |
| 484 | ret_val = create_rbsp(buffer, NAL_TYPE_SEI); |
| 485 | } |
| 486 | |
| 487 | pack_sei = false; |
| 488 | sei_payload_type = -1; |
| 489 | |
| 490 | return ret_val; |
| 491 | } |
| 492 | |
| 493 | OMX_U32 extra_data_handler::create_extra_data(OMX_BUFFERHEADERTYPE *buf_hdr) |
| 494 | { |
| 495 | OMX_U8 *buffer = (OMX_U8 *) ((unsigned)(buf_hdr->pBuffer + |
| 496 | buf_hdr->nOffset + buf_hdr->nFilledLen)); |
| 497 | OMX_U32 msg_size; |
| 498 | |
Shalaj Jain | 273b3e0 | 2012-06-22 19:08:03 -0700 | [diff] [blame] | 499 | if(buf_hdr->nFlags & OMX_BUFFERFLAG_CODECCONFIG) { |
| 500 | DEBUG_PRINT_LOW("\n%s:%d create extra data with config", __func__, |
| 501 | __LINE__); |
| 502 | if(pack_sei) { |
| 503 | msg_size = create_sei(buffer); |
| 504 | if( msg_size > 0) |
| 505 | buf_hdr->nFilledLen += msg_size; |
| 506 | } |
| 507 | } |
Shalaj Jain | 273b3e0 | 2012-06-22 19:08:03 -0700 | [diff] [blame] | 508 | return 1; |
| 509 | } |
| 510 | |