[39692] | 1 | /*
|
---|
| 2 | * linuxdvb output/writer handling.
|
---|
| 3 | *
|
---|
| 4 | * konfetti 2010 based on linuxdvb.c code from libeplayer2
|
---|
| 5 | *
|
---|
| 6 | * This program is free software; you can redistribute it and/or modify
|
---|
| 7 | * it under the terms of the GNU General Public License as published by
|
---|
| 8 | * the Free Software Foundation; either version 2 of the License, or
|
---|
| 9 | * (at your option) any later version.
|
---|
| 10 | *
|
---|
| 11 | * This program is distributed in the hope that it will be useful,
|
---|
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
---|
| 14 | * GNU General Public License for more details.
|
---|
| 15 | *
|
---|
| 16 | * You should have received a copy of the GNU General Public License
|
---|
| 17 | * along with this program; if not, write to the Free Software
|
---|
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
---|
| 19 | *
|
---|
| 20 | */
|
---|
| 21 |
|
---|
| 22 | /* ***************************** */
|
---|
| 23 | /* Includes */
|
---|
| 24 | /* ***************************** */
|
---|
| 25 |
|
---|
| 26 | #include <stdio.h>
|
---|
| 27 | #include <string.h>
|
---|
| 28 | #include <stdlib.h>
|
---|
| 29 | #include <unistd.h>
|
---|
| 30 | #include <fcntl.h>
|
---|
| 31 | #include <sys/types.h>
|
---|
| 32 | #include <sys/stat.h>
|
---|
| 33 | #include <sys/ioctl.h>
|
---|
| 34 | #include <sys/uio.h>
|
---|
| 35 | #include <linux/dvb/video.h>
|
---|
| 36 | #include <linux/dvb/audio.h>
|
---|
| 37 | #include <memory.h>
|
---|
| 38 | #include <asm/types.h>
|
---|
| 39 | #include <pthread.h>
|
---|
| 40 | #include <errno.h>
|
---|
| 41 | #include <assert.h>
|
---|
| 42 | #include <stdint.h>
|
---|
| 43 | #include <poll.h>
|
---|
| 44 |
|
---|
| 45 | #include "stm_ioctls.h"
|
---|
| 46 | #include "bcm_ioctls.h"
|
---|
| 47 |
|
---|
| 48 | #include "common.h"
|
---|
| 49 | #include "output.h"
|
---|
| 50 | #include "debug.h"
|
---|
| 51 | #include "misc.h"
|
---|
| 52 | #include "pes.h"
|
---|
| 53 | #include "writer.h"
|
---|
| 54 |
|
---|
| 55 | /* ***************************** */
|
---|
| 56 | /* Makros/Constants */
|
---|
| 57 | /* ***************************** */
|
---|
[42162] | 58 | #define H264_SILENT
|
---|
[40348] | 59 | //#define H264_DEBUG
|
---|
[39692] | 60 | #ifdef H264_DEBUG
|
---|
| 61 |
|
---|
[40348] | 62 | static short debug_level = 0;
|
---|
[39692] | 63 |
|
---|
| 64 | #define h264_printf(level, fmt, x...) do { \
|
---|
| 65 | if (debug_level >= level) printf("[%s:%s] " fmt, __FILE__, __FUNCTION__, ## x); } while (0)
|
---|
| 66 | #else
|
---|
| 67 | #define h264_printf(level, fmt, x...)
|
---|
| 68 | #endif
|
---|
| 69 |
|
---|
| 70 | #ifndef H264_SILENT
|
---|
| 71 | #define h264_err(fmt, x...) do { printf("[%s:%s] " fmt, __FILE__, __FUNCTION__, ## x); } while (0)
|
---|
| 72 | #else
|
---|
| 73 | #define h264_err(fmt, x...)
|
---|
| 74 | #endif
|
---|
| 75 |
|
---|
| 76 | #define IOVEC_SIZE 128
|
---|
| 77 |
|
---|
| 78 | /* ***************************** */
|
---|
| 79 | /* Types */
|
---|
| 80 | /* ***************************** */
|
---|
| 81 |
|
---|
| 82 | /* ***************************** */
|
---|
| 83 | /* Varaibles */
|
---|
| 84 | /* ***************************** */
|
---|
| 85 | static unsigned char Head[] = {0, 0, 0, 1};
|
---|
| 86 | static int initialHeader = 1;
|
---|
| 87 | static unsigned int NalLengthBytes = 1;
|
---|
| 88 | static unsigned char *CodecData = NULL;
|
---|
| 89 | static unsigned int CodecDataLen = 0;
|
---|
[40322] | 90 | static int avc3 = 0;
|
---|
[42162] | 91 | static int sps_pps_in_stream = 0;
|
---|
[39692] | 92 | /* ***************************** */
|
---|
| 93 | /* Prototypes */
|
---|
| 94 | /* ***************************** */
|
---|
| 95 |
|
---|
| 96 | /* ***************************** */
|
---|
| 97 | /* MISC Functions */
|
---|
| 98 | /* ***************************** */
|
---|
[40322] | 99 |
|
---|
| 100 | // Please see: https://bugzilla.mozilla.org/show_bug.cgi?id=1105771
|
---|
| 101 | static int32_t UpdateExtraData(uint8_t **ppExtraData, uint32_t *pExtraDataSize, uint8_t *pData, uint32_t dataSize)
|
---|
[39692] | 102 | {
|
---|
[40322] | 103 | uint8_t *aExtraData = *ppExtraData;
|
---|
| 104 |
|
---|
| 105 | if (aExtraData[0] != 1 || !pData) {
|
---|
| 106 | // Not AVCC or nothing to update with.
|
---|
| 107 | return -1;
|
---|
| 108 | }
|
---|
| 109 |
|
---|
| 110 | int32_t nalsize = (aExtraData[4] & 3) + 1;
|
---|
| 111 |
|
---|
| 112 | uint8_t sps[256];
|
---|
| 113 | uint8_t spsIdx = 0;
|
---|
| 114 |
|
---|
| 115 | uint8_t numSps = 0;
|
---|
| 116 |
|
---|
| 117 | uint8_t pps[256];
|
---|
| 118 | uint8_t ppsIdx = 0;
|
---|
| 119 |
|
---|
| 120 | uint8_t numPps = 0;
|
---|
| 121 |
|
---|
| 122 | if(nalsize != 4)
|
---|
| 123 | {
|
---|
| 124 | return -1;
|
---|
| 125 | }
|
---|
| 126 |
|
---|
| 127 | // Find SPS and PPS NALUs in AVCC data
|
---|
| 128 | uint8_t *d = pData;
|
---|
| 129 | while (d + 4 < pData + dataSize)
|
---|
| 130 | {
|
---|
| 131 | uint32_t nalLen = ReadUint32(d);
|
---|
| 132 |
|
---|
| 133 | uint8_t nalType = d[4] & 0x1f;
|
---|
| 134 | if (nalType == 7)
|
---|
| 135 | { /* SPS */
|
---|
| 136 |
|
---|
| 137 | // 16 bits size
|
---|
| 138 | sps[spsIdx++] = (uint8_t)(0xFF & (nalLen >> 8));
|
---|
| 139 | sps[spsIdx++] = (uint8_t)(0xFF & nalLen);
|
---|
| 140 |
|
---|
| 141 | if (spsIdx + nalLen >= sizeof(sps))
|
---|
| 142 | {
|
---|
| 143 | h264_err("SPS no free space to copy...\n");
|
---|
| 144 | return -1;
|
---|
| 145 | }
|
---|
| 146 | memcpy(&(sps[spsIdx]), d + 4, nalLen);
|
---|
| 147 | spsIdx += nalLen;
|
---|
| 148 |
|
---|
| 149 | numSps += 1;
|
---|
| 150 |
|
---|
| 151 | h264_printf(10, "SPS len[%u]...\n", nalLen);
|
---|
| 152 | }
|
---|
| 153 | else if (nalType == 8)
|
---|
| 154 | { /* PPS */
|
---|
| 155 |
|
---|
| 156 | // 16 bits size
|
---|
| 157 | pps[ppsIdx++] = (uint8_t)(0xFF & (nalLen >> 8));
|
---|
| 158 | pps[ppsIdx++] = (uint8_t)(0xFF & nalLen);
|
---|
| 159 |
|
---|
| 160 | if (ppsIdx + nalLen >= sizeof(sps))
|
---|
| 161 | {
|
---|
| 162 | h264_err("PPS not free space to copy...\n");
|
---|
| 163 | return -1;
|
---|
| 164 | }
|
---|
| 165 | memcpy(&(pps[ppsIdx]), d + 4, nalLen);
|
---|
| 166 | ppsIdx += nalLen;
|
---|
| 167 |
|
---|
| 168 | numPps += 1;
|
---|
| 169 |
|
---|
| 170 | h264_printf(10, "PPS len[%u]...\n", nalLen);
|
---|
| 171 | }
|
---|
| 172 | d += 4 + nalLen;
|
---|
| 173 | }
|
---|
| 174 | uint32_t idx = 0;
|
---|
| 175 | *ppExtraData = malloc(7 + spsIdx + ppsIdx);
|
---|
| 176 | aExtraData = *ppExtraData;
|
---|
| 177 | aExtraData[idx++] = 0x1; // version
|
---|
| 178 | aExtraData[idx++] = sps[3]; // profile
|
---|
| 179 | aExtraData[idx++] = sps[4]; // profile compat
|
---|
| 180 | aExtraData[idx++] = sps[5]; // level
|
---|
| 181 | aExtraData[idx++] = 0xff; // nal size - 1
|
---|
| 182 |
|
---|
| 183 | aExtraData[idx++] = 0xe0 | numSps;
|
---|
| 184 | if (numSps)
|
---|
| 185 | {
|
---|
| 186 | memcpy(&(aExtraData[idx]), sps, spsIdx);
|
---|
| 187 | idx += spsIdx;
|
---|
| 188 | }
|
---|
| 189 |
|
---|
| 190 | aExtraData[idx++] = numPps;
|
---|
| 191 | if (numPps)
|
---|
| 192 | {
|
---|
| 193 | memcpy(&(aExtraData[idx]), pps, ppsIdx);
|
---|
| 194 | idx += ppsIdx;
|
---|
| 195 | }
|
---|
| 196 |
|
---|
| 197 | h264_printf(10, "aExtraData len[%u]...\n", idx);
|
---|
| 198 | *pExtraDataSize = idx;
|
---|
| 199 | return 0;
|
---|
| 200 | }
|
---|
| 201 |
|
---|
| 202 | static int32_t PreparCodecData(unsigned char *data, unsigned int cd_len, unsigned int *NalLength)
|
---|
| 203 | {
|
---|
| 204 | h264_printf(10, "H264 check codec data..!\n");
|
---|
| 205 | int32_t ret = -100;
|
---|
[39692] | 206 | if (data)
|
---|
| 207 | {
|
---|
| 208 | unsigned char tmp[2048];
|
---|
| 209 | unsigned int tmp_len = 0;
|
---|
| 210 |
|
---|
| 211 | unsigned int cd_pos = 0;
|
---|
| 212 | h264_printf(10, "H264 have codec data..!\n");
|
---|
| 213 | if (cd_len > 7 && data[0] == 1)
|
---|
| 214 | {
|
---|
| 215 | unsigned short len = (data[6] << 8) | data[7];
|
---|
| 216 | if (cd_len >= (len + 8))
|
---|
| 217 | {
|
---|
| 218 | unsigned int i=0;
|
---|
| 219 | uint8_t profile_num[] = { 66, 77, 88, 100 };
|
---|
| 220 | uint8_t profile_cmp[2] = { 0x67, 0x00 };
|
---|
| 221 | const char *profile_str[] = { "baseline", "main", "extended", "high" };
|
---|
| 222 | memcpy(tmp, Head, sizeof(Head));
|
---|
| 223 | tmp_len += 4;
|
---|
| 224 | memcpy(tmp + tmp_len, data + 8, len);
|
---|
| 225 | for (i = 0; i < 4; ++i)
|
---|
| 226 | {
|
---|
| 227 | profile_cmp[1] = profile_num[i];
|
---|
| 228 | if (!memcmp(tmp+tmp_len, profile_cmp, 2))
|
---|
| 229 | {
|
---|
| 230 | uint8_t level_org = tmp[tmp_len + 3];
|
---|
| 231 | if (level_org > 0x29)
|
---|
| 232 | {
|
---|
| 233 | h264_printf(10, "H264 %s profile@%d.%d patched down to 4.1!", profile_str[i], level_org / 10 , level_org % 10);
|
---|
| 234 | tmp[tmp_len+3] = 0x29; // level 4.1
|
---|
| 235 | }
|
---|
| 236 | else
|
---|
| 237 | {
|
---|
| 238 | h264_printf(10, "H264 %s profile@%d.%d", profile_str[i], level_org / 10 , level_org % 10);
|
---|
| 239 | }
|
---|
| 240 | break;
|
---|
| 241 | }
|
---|
| 242 | }
|
---|
| 243 | tmp_len += len;
|
---|
| 244 | cd_pos = 8 + len;
|
---|
| 245 | if (cd_len > (cd_pos + 2))
|
---|
| 246 | {
|
---|
| 247 | len = (data[cd_pos + 1] << 8) | data[cd_pos + 2];
|
---|
| 248 | cd_pos += 3;
|
---|
| 249 | if (cd_len >= (cd_pos+len))
|
---|
| 250 | {
|
---|
| 251 | memcpy(tmp+tmp_len, "\x00\x00\x00\x01", 4);
|
---|
| 252 | tmp_len += 4;
|
---|
| 253 | memcpy(tmp+tmp_len, data+cd_pos, len);
|
---|
| 254 | tmp_len += len;
|
---|
| 255 |
|
---|
| 256 | CodecData = malloc(tmp_len);
|
---|
| 257 | memcpy(CodecData, tmp, tmp_len);
|
---|
| 258 | CodecDataLen = tmp_len;
|
---|
| 259 |
|
---|
| 260 | *NalLength = (data[4] & 0x03) + 1;
|
---|
[40322] | 261 | ret = 0;
|
---|
[39692] | 262 | }
|
---|
| 263 | else
|
---|
| 264 | {
|
---|
| 265 | h264_printf(10, "codec_data too short(4)");
|
---|
[40322] | 266 | ret = -4;
|
---|
[39692] | 267 | }
|
---|
| 268 | }
|
---|
| 269 | else
|
---|
| 270 | {
|
---|
| 271 | h264_printf(10, "codec_data too short(3)");
|
---|
[40322] | 272 | ret = -3;
|
---|
[39692] | 273 | }
|
---|
| 274 | }
|
---|
| 275 | else
|
---|
| 276 | {
|
---|
| 277 | h264_printf(10, "codec_data too short(2)");
|
---|
[40322] | 278 | ret = -2;
|
---|
[39692] | 279 | }
|
---|
| 280 | }
|
---|
| 281 | else if (cd_len <= 7)
|
---|
| 282 | {
|
---|
| 283 | h264_printf(10, "codec_data too short(1)");
|
---|
[40322] | 284 | ret = -1;
|
---|
[39692] | 285 | }
|
---|
| 286 | else
|
---|
| 287 | {
|
---|
| 288 | h264_printf(10, "wrong avcC version %d!", data[0]);
|
---|
| 289 | }
|
---|
| 290 | }
|
---|
| 291 | else
|
---|
| 292 | {
|
---|
| 293 | *NalLength = 0;
|
---|
| 294 | }
|
---|
[40322] | 295 |
|
---|
| 296 | return ret;
|
---|
[39692] | 297 | }
|
---|
| 298 |
|
---|
| 299 | static int reset()
|
---|
[40322] | 300 | {
|
---|
[39692] | 301 | initialHeader = 1;
|
---|
[40322] | 302 | avc3 = 0;
|
---|
[42162] | 303 | sps_pps_in_stream = 0;
|
---|
[39692] | 304 | return 0;
|
---|
| 305 | }
|
---|
| 306 |
|
---|
| 307 | static int writeData(void* _call)
|
---|
| 308 | {
|
---|
| 309 | WriterAVCallData_t* call = (WriterAVCallData_t*) _call;
|
---|
| 310 |
|
---|
| 311 | unsigned char PesHeader[PES_MAX_HEADER_SIZE];
|
---|
| 312 | unsigned long long int VideoPts;
|
---|
| 313 | unsigned int TimeDelta;
|
---|
| 314 | unsigned int TimeScale;
|
---|
| 315 | int len = 0;
|
---|
| 316 | int ic = 0;
|
---|
| 317 | struct iovec iov[IOVEC_SIZE];
|
---|
[40322] | 318 | h264_printf(20, "\n");
|
---|
[39692] | 319 |
|
---|
| 320 | if (call == NULL)
|
---|
| 321 | {
|
---|
| 322 | h264_err("call data is NULL...\n");
|
---|
| 323 | return 0;
|
---|
| 324 | }
|
---|
| 325 |
|
---|
| 326 | TimeDelta = call->FrameRate;
|
---|
| 327 | TimeScale = call->FrameScale;
|
---|
| 328 | VideoPts = call->Pts;
|
---|
| 329 |
|
---|
[40322] | 330 | h264_printf(20, "VideoPts %lld - %d %d\n", call->Pts, TimeDelta, TimeScale);
|
---|
[39692] | 331 |
|
---|
| 332 | if ((call->data == NULL) || (call->len <= 0))
|
---|
| 333 | {
|
---|
| 334 | h264_err("NULL Data. ignoring...\n");
|
---|
| 335 | return 0;
|
---|
| 336 | }
|
---|
| 337 |
|
---|
| 338 | if (call->fd < 0)
|
---|
| 339 | {
|
---|
| 340 | h264_err("file pointer < 0. ignoring ...\n");
|
---|
| 341 | return 0;
|
---|
| 342 | }
|
---|
| 343 |
|
---|
| 344 | /* AnnexA */
|
---|
[40322] | 345 | if( !avc3 && ((1 < call->private_size && 0 == call->private_data[0]) ||
|
---|
[39692] | 346 | (call->len > 3) && ((call->data[0] == 0x00 && call->data[1] == 0x00 && call->data[2] == 0x00 && call->data[3] == 0x01) ||
|
---|
[40322] | 347 | (call->data[0] == 0xff && call->data[1] == 0xff && call->data[2] == 0xff && call->data[3] == 0xff))))
|
---|
[39692] | 348 | {
|
---|
[42162] | 349 | uint32_t i = 0;
|
---|
| 350 | uint8_t InsertPrivData = !sps_pps_in_stream;
|
---|
[40322] | 351 | uint32_t PacketLength = 0;
|
---|
| 352 | uint32_t FakeStartCode = (call->Version << 8) | PES_VERSION_FAKE_START_CODE;
|
---|
[42162] | 353 | iov[ic++].iov_base = PesHeader;
|
---|
[39692] | 354 |
|
---|
[42162] | 355 | while (InsertPrivData && i < 36 && (call->len - i) > 5)
|
---|
[39692] | 356 | {
|
---|
[42162] | 357 | if ( (call->data[i] == 0x00 && call->data[i+1] == 0x00 && call->data[i+2] == 0x00 && call->data[i+3] == 0x01 && (call->data[i+4] == 0x67 || call->data[i+4] == 0x68)) )
|
---|
| 358 | {
|
---|
| 359 | InsertPrivData = 0;
|
---|
| 360 | sps_pps_in_stream = 1;
|
---|
| 361 | }
|
---|
| 362 | i += 1;
|
---|
| 363 | }
|
---|
| 364 |
|
---|
| 365 | if (InsertPrivData && call->private_size > 0 /*&& initialHeader*/) // some rtsp streams can update codec data at runtime
|
---|
| 366 | {
|
---|
[39692] | 367 | initialHeader = 0;
|
---|
| 368 | iov[ic].iov_base = call->private_data;
|
---|
| 369 | iov[ic++].iov_len = call->private_size;
|
---|
| 370 | PacketLength += call->private_size;
|
---|
| 371 | }
|
---|
| 372 |
|
---|
| 373 | iov[ic].iov_base = call->data;
|
---|
| 374 | iov[ic++].iov_len = call->len;
|
---|
| 375 | PacketLength += call->len;
|
---|
| 376 |
|
---|
| 377 | iov[0].iov_len = InsertPesHeader(PesHeader, -1, MPEG_VIDEO_PES_START_CODE, VideoPts, FakeStartCode);
|
---|
| 378 |
|
---|
[42162] | 379 | return call->WriteV(call->fd, iov, ic);
|
---|
[39692] | 380 | }
|
---|
[40322] | 381 | else if (!call->private_data || call->private_size < 7 || 1 != call->private_data[0])
|
---|
[39692] | 382 | {
|
---|
[40322] | 383 | h264_err("No valid private data available! [%d]\n", (int)call->private_size);
|
---|
| 384 | return 0;
|
---|
[39692] | 385 | }
|
---|
| 386 |
|
---|
[40322] | 387 | uint32_t PacketLength = 0;
|
---|
[39692] | 388 |
|
---|
| 389 | ic = 0;
|
---|
| 390 | iov[ic++].iov_base = PesHeader;
|
---|
| 391 |
|
---|
[42162] | 392 | if (!avc3)
|
---|
[39692] | 393 | {
|
---|
| 394 | if (CodecData)
|
---|
| 395 | {
|
---|
| 396 | free(CodecData);
|
---|
| 397 | CodecData = NULL;
|
---|
| 398 | }
|
---|
| 399 |
|
---|
[40322] | 400 | uint8_t *private_data = call->private_data;
|
---|
| 401 | uint32_t private_size = call->private_size;
|
---|
| 402 |
|
---|
| 403 | if ( PreparCodecData(private_data, private_size, &NalLengthBytes))
|
---|
| 404 | {
|
---|
| 405 | UpdateExtraData(&private_data, &private_size, call->data, call->len);
|
---|
| 406 | PreparCodecData(private_data, private_size, &NalLengthBytes);
|
---|
| 407 | }
|
---|
[39692] | 408 |
|
---|
[40322] | 409 | if (private_data != call->private_data)
|
---|
| 410 | {
|
---|
| 411 | avc3 = 1;
|
---|
| 412 | free(private_data);
|
---|
| 413 | private_data = NULL;
|
---|
| 414 | }
|
---|
| 415 |
|
---|
[39692] | 416 | if (CodecData != NULL)
|
---|
| 417 | {
|
---|
| 418 | iov[ic].iov_base = CodecData;
|
---|
| 419 | iov[ic++].iov_len = CodecDataLen;
|
---|
| 420 | PacketLength += CodecDataLen;
|
---|
[40322] | 421 | initialHeader = 0;
|
---|
[39692] | 422 | }
|
---|
| 423 | }
|
---|
| 424 |
|
---|
| 425 | if (CodecData != NULL)
|
---|
| 426 | {
|
---|
[40322] | 427 | uint32_t pos = 0;
|
---|
[39692] | 428 | do
|
---|
| 429 | {
|
---|
| 430 | if (ic >= IOVEC_SIZE)
|
---|
| 431 | {
|
---|
| 432 | h264_err(">> Drop data due to ic overflow\n");
|
---|
| 433 | break;
|
---|
| 434 | }
|
---|
| 435 |
|
---|
[40322] | 436 | uint32_t pack_len = 0;
|
---|
| 437 | uint32_t i = 0;
|
---|
[39692] | 438 | for (i = 0; i < NalLengthBytes; i++, pos++)
|
---|
| 439 | {
|
---|
| 440 | pack_len <<= 8;
|
---|
| 441 | pack_len += call->data[pos];
|
---|
| 442 | }
|
---|
| 443 |
|
---|
| 444 | if ( (pos + pack_len) > call->len )
|
---|
| 445 | {
|
---|
| 446 | pack_len = call->len - pos;
|
---|
| 447 | }
|
---|
| 448 |
|
---|
| 449 | iov[ic].iov_base = Head;
|
---|
| 450 | iov[ic++].iov_len = sizeof(Head);
|
---|
| 451 | PacketLength += sizeof(Head);
|
---|
| 452 |
|
---|
| 453 | iov[ic].iov_base = call->data + pos;
|
---|
| 454 | iov[ic++].iov_len = pack_len;
|
---|
| 455 | PacketLength += pack_len;
|
---|
| 456 |
|
---|
| 457 | pos += pack_len;
|
---|
| 458 |
|
---|
| 459 | } while ((pos + NalLengthBytes) < call->len);
|
---|
| 460 |
|
---|
| 461 | h264_printf (10, "<<<< PacketLength [%d]\n", PacketLength);
|
---|
| 462 | iov[0].iov_len = InsertPesHeader(PesHeader, -1, MPEG_VIDEO_PES_START_CODE, VideoPts, 0);
|
---|
| 463 |
|
---|
[42162] | 464 | len = call->WriteV(call->fd, iov, ic);
|
---|
[39692] | 465 | PacketLength += iov[0].iov_len;
|
---|
| 466 | if (PacketLength != len)
|
---|
| 467 | {
|
---|
| 468 | h264_err("<<<< not all data have been written [%d/%d]\n", len, PacketLength);
|
---|
| 469 | }
|
---|
| 470 | }
|
---|
| 471 |
|
---|
| 472 | h264_printf (10, "< len %d\n", len);
|
---|
| 473 | return len;
|
---|
| 474 | }
|
---|
| 475 |
|
---|
| 476 | static int writeReverseData(void* _call)
|
---|
| 477 | {
|
---|
| 478 | WriterAVCallData_t* call = (WriterAVCallData_t*) _call;
|
---|
| 479 |
|
---|
| 480 | return 0;
|
---|
| 481 | }
|
---|
| 482 | /* ***************************** */
|
---|
| 483 | /* Writer Definition */
|
---|
| 484 | /* ***************************** */
|
---|
| 485 |
|
---|
| 486 | static WriterCaps_t caps = {
|
---|
| 487 | "h264",
|
---|
| 488 | eVideo,
|
---|
| 489 | "V_MPEG4/ISO/AVC",
|
---|
| 490 | VIDEO_ENCODING_H264,
|
---|
| 491 | STREAMTYPE_MPEG4_H264,
|
---|
| 492 | CT_H264
|
---|
| 493 | };
|
---|
| 494 |
|
---|
| 495 | struct Writer_s WriterVideoH264 = {
|
---|
| 496 | &reset,
|
---|
| 497 | &writeData,
|
---|
| 498 | &writeReverseData,
|
---|
| 499 | &caps
|
---|
| 500 | };
|
---|