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vaapi_encode: Support more RC modes

Allow setting the mode explicitly, and try to make a sensible choice given the available parameters if not.

Mark Thompson committed 7 years ago

Commit f4d7bd61 parent 9d5ca713 files · +358 −113Browse files

Showing the changes to libavcodec/vaapi_encode.c (1 of 3 files). Show all

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libavcodec/vaapi_encode.c+269−113
@@ -1283,17 +1283,42 @@ fail: · 1282 unmodified lines
1283 return err;1283 return err;
1284}1284}
1285 1285
1286static const VAAPIEncodeRCMode vaapi_encode_rc_modes[] = {
1287 // Bitrate Quality
1288 // | Maxrate | HRD/VBV
1289 { 0 }, // | | | |
1290 { RC_MODE_CQP, "CQP", 1, VA_RC_CQP, 0, 0, 1, 0 },
1291 { RC_MODE_CBR, "CBR", 1, VA_RC_CBR, 1, 0, 0, 1 },
1292 { RC_MODE_VBR, "VBR", 1, VA_RC_VBR, 1, 1, 0, 1 },
1293#if VA_CHECK_VERSION(1, 1, 0)
1294 { RC_MODE_ICQ, "ICQ", 1, VA_RC_ICQ, 0, 0, 1, 0 },
1295#else
1296 { RC_MODE_ICQ, "ICQ", 0 },
1297#endif
1298#if VA_CHECK_VERSION(1, 3, 0)
1299 { RC_MODE_QVBR, "QVBR", 1, VA_RC_QVBR, 1, 1, 1, 1 },
1300 { RC_MODE_AVBR, "AVBR", 0, VA_RC_AVBR, 1, 0, 0, 0 },
1301#else
1302 { RC_MODE_QVBR, "QVBR", 0 },
1303 { RC_MODE_AVBR, "AVBR", 0 },
1304#endif
1305};
1306
1286static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx)1307static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx)
1287{1308{
1288 VAAPIEncodeContext *ctx = avctx->priv_data;1309 VAAPIEncodeContext *ctx = avctx->priv_data;
1310 uint32_t supported_va_rc_modes;
1311 const VAAPIEncodeRCMode *rc_mode;
1289 int64_t rc_bits_per_second;1312 int64_t rc_bits_per_second;
1290 int rc_target_percentage;1313 int rc_target_percentage;
1291 int rc_window_size;1314 int rc_window_size;
1315 int rc_quality;
1292 int64_t hrd_buffer_size;1316 int64_t hrd_buffer_size;
1293 int64_t hrd_initial_buffer_fullness;1317 int64_t hrd_initial_buffer_fullness;
1294 int fr_num, fr_den;1318 int fr_num, fr_den;
1295 VAConfigAttrib rc_attr = { VAConfigAttribRateControl };1319 VAConfigAttrib rc_attr = { VAConfigAttribRateControl };
1296 VAStatus vas;1320 VAStatus vas;
1321 char supported_rc_modes_string[64];
1297 1322
1298 vas = vaGetConfigAttributes(ctx->hwctx->display,1323 vas = vaGetConfigAttributes(ctx->hwctx->display,
1299 ctx->va_profile, ctx->va_entrypoint,1324 ctx->va_profile, ctx->va_entrypoint,
@@ -1303,119 +1328,213 @@ static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx) · 3 unmodified lines
1303 "config attribute: %d (%s).\n", vas, vaErrorStr(vas));1328 "config attribute: %d (%s).\n", vas, vaErrorStr(vas));
1304 return AVERROR_EXTERNAL;1329 return AVERROR_EXTERNAL;
1305 }1330 }
1306
1307 if (rc_attr.value == VA_ATTRIB_NOT_SUPPORTED) {1331 if (rc_attr.value == VA_ATTRIB_NOT_SUPPORTED) {
1308 av_log(avctx, AV_LOG_VERBOSE, "Driver does not report any "1332 av_log(avctx, AV_LOG_VERBOSE, "Driver does not report any "
1309 "supported rate control modes: assuming constant-quality.\n");1333 "supported rate control modes: assuming CQP only.\n");
1310 ctx->va_rc_mode = VA_RC_CQP;1334 supported_va_rc_modes = VA_RC_CQP;
1311 return 0;1335 strcpy(supported_rc_modes_string, "unknown");
1312 }1336 } else {
1313 if (ctx->codec->flags & FLAG_CONSTANT_QUALITY_ONLY ||1337 char *str = supported_rc_modes_string;
1314 avctx->flags & AV_CODEC_FLAG_QSCALE ||1338 size_t len = sizeof(supported_rc_modes_string);
1315 avctx->bit_rate <= 0) {1339 int i, first = 1, res;
1316 if (rc_attr.value & VA_RC_CQP) {1340
1317 av_log(avctx, AV_LOG_VERBOSE, "Using constant-quality mode.\n");1341 supported_va_rc_modes = rc_attr.value;
1318 ctx->va_rc_mode = VA_RC_CQP;1342 for (i = 0; i < FF_ARRAY_ELEMS(vaapi_encode_rc_modes); i++) {
1319 if (avctx->bit_rate > 0 || avctx->rc_max_rate > 0) {1343 rc_mode = &vaapi_encode_rc_modes[i];
1320 av_log(avctx, AV_LOG_WARNING, "Bitrate target parameters "1344 if (supported_va_rc_modes & rc_mode->va_mode) {
1321 "ignored in constant-quality mode.\n");1345 res = snprintf(str, len, "%s%s",
1346 first ? "" : ", ", rc_mode->name);
1347 first = 0;
1348 if (res < 0) {
1349 *str = 0;
1350 break;
1351 }
1352 len -= res;
1353 str += res;
1354 if (len == 0)
1355 break;
1322 }1356 }
1323 return 0;
1324 } else {
1325 av_log(avctx, AV_LOG_ERROR, "Driver does not support "
1326 "constant-quality mode (%#x).\n", rc_attr.value);
1327 return AVERROR(EINVAL);
1328 }1357 }
1329 }
1330 1358
1331 if (!(rc_attr.value & (VA_RC_CBR | VA_RC_VBR))) {1359 av_log(avctx, AV_LOG_DEBUG, "Driver supports RC modes %s.\n",
1332 av_log(avctx, AV_LOG_ERROR, "Driver does not support any "1360 supported_rc_modes_string);
1333 "bitrate-targetted rate control modes.\n");1361 }
1334 return AVERROR(EINVAL);1362
1363 // Rate control mode selection:
1364 // * If the user has set a mode explicitly with the rc_mode option,
1365 // use it and fail if it is not available.
1366 // * If an explicit QP option has been set, use CQP.
1367 // * If the codec is CQ-only, use CQP.
1368 // * If the QSCALE avcodec option is set, use CQP.
1369 // * If bitrate and quality are both set, try QVBR.
1370 // * If quality is set, try ICQ, then CQP.
1371 // * If bitrate and maxrate are set and have the same value, try CBR.
1372 // * If a bitrate is set, try AVBR, then VBR, then CBR.
1373 // * If no bitrate is set, try ICQ, then CQP.
1374
1375#define TRY_RC_MODE(mode, fail) do { \
1376 rc_mode = &vaapi_encode_rc_modes[mode]; \
1377 if (!(rc_mode->va_mode & supported_va_rc_modes)) { \
1378 if (fail) { \
1379 av_log(avctx, AV_LOG_ERROR, "Driver does not support %s " \
1380 "RC mode (supported modes: %s).\n", rc_mode->name, \
1381 supported_rc_modes_string); \
1382 return AVERROR(EINVAL); \
1383 } \
1384 av_log(avctx, AV_LOG_DEBUG, "Driver does not support %s " \
1385 "RC mode.\n", rc_mode->name); \
1386 rc_mode = NULL; \
1387 } else { \
1388 goto rc_mode_found; \
1389 } \
1390 } while (0)
1391
1392 if (ctx->explicit_rc_mode)
1393 TRY_RC_MODE(ctx->explicit_rc_mode, 1);
1394
1395 if (ctx->explicit_qp)
1396 TRY_RC_MODE(RC_MODE_CQP, 1);
1397
1398 if (ctx->codec->flags & FLAG_CONSTANT_QUALITY_ONLY)
1399 TRY_RC_MODE(RC_MODE_CQP, 1);
1400
1401 if (avctx->flags & AV_CODEC_FLAG_QSCALE)
1402 TRY_RC_MODE(RC_MODE_CQP, 1);
1403
1404 if (avctx->bit_rate > 0 && avctx->global_quality > 0)
1405 TRY_RC_MODE(RC_MODE_QVBR, 0);
1406
1407 if (avctx->global_quality > 0) {
1408 TRY_RC_MODE(RC_MODE_ICQ, 0);
1409 TRY_RC_MODE(RC_MODE_CQP, 0);
1410 }
1411
1412 if (avctx->bit_rate > 0 && avctx->rc_max_rate == avctx->bit_rate)
1413 TRY_RC_MODE(RC_MODE_CBR, 0);
1414
1415 if (avctx->bit_rate > 0) {
1416 TRY_RC_MODE(RC_MODE_AVBR, 0);
1417 TRY_RC_MODE(RC_MODE_VBR, 0);
1418 TRY_RC_MODE(RC_MODE_CBR, 0);
1419 } else {
1420 TRY_RC_MODE(RC_MODE_ICQ, 0);
1421 TRY_RC_MODE(RC_MODE_CQP, 0);
1335 }1422 }
1336 1423
1337 if (avctx->rc_buffer_size)1424 av_log(avctx, AV_LOG_ERROR, "Driver does not support any "
1338 hrd_buffer_size = avctx->rc_buffer_size;1425 "RC mode compatible with selected options "
1339 else if (avctx->rc_max_rate > 0)1426 "(supported modes: %s).\n", supported_rc_modes_string);
1340 hrd_buffer_size = avctx->rc_max_rate;1427 return AVERROR(EINVAL);
1341 else1428
1342 hrd_buffer_size = avctx->bit_rate;1429rc_mode_found:
1343 if (avctx->rc_initial_buffer_occupancy) {1430 if (rc_mode->bitrate) {
1344 if (avctx->rc_initial_buffer_occupancy > hrd_buffer_size) {1431 if (avctx->bit_rate <= 0) {
1345 av_log(avctx, AV_LOG_ERROR, "Invalid RC buffer settings: "1432 av_log(avctx, AV_LOG_ERROR, "Bitrate must be set for %s "
1346 "must have initial buffer size (%d) < "1433 "RC mode.\n", rc_mode->name);
1347 "buffer size (%"PRId64").\n",
1348 avctx->rc_initial_buffer_occupancy, hrd_buffer_size);
1349 return AVERROR(EINVAL);1434 return AVERROR(EINVAL);
1350 }1435 }
1351 hrd_initial_buffer_fullness = avctx->rc_initial_buffer_occupancy;
1352 } else {
1353 hrd_initial_buffer_fullness = hrd_buffer_size * 3 / 4;
1354 }
1355 1436
1356 if (avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate) {1437 if (rc_mode->mode == RC_MODE_AVBR) {
1357 av_log(avctx, AV_LOG_ERROR, "Invalid bitrate settings: must have "1438 // For maximum confusion AVBR is hacked into the existing API
1358 "bitrate (%"PRId64") <= maxrate (%"PRId64").\n",1439 // by overloading some of the fields with completely different
1359 avctx->bit_rate, avctx->rc_max_rate);1440 // meanings.
1360 return AVERROR(EINVAL);
1361 }
1362 1441
1363 if (avctx->rc_max_rate > avctx->bit_rate) {1442 // Target percentage does not apply in AVBR mode.
1364 if (!(rc_attr.value & VA_RC_VBR)) {1443 rc_bits_per_second = avctx->bit_rate;
1365 av_log(avctx, AV_LOG_WARNING, "Driver does not support "
1366 "VBR mode (%#x), using CBR mode instead.\n",
1367 rc_attr.value);
1368 ctx->va_rc_mode = VA_RC_CBR;
1369 1444
1370 rc_bits_per_second = avctx->bit_rate;1445 // Accuracy tolerance range for meeting the specified target
1446 // bitrate. It's very unclear how this is actually intended
1447 // to work - since we do want to get the specified bitrate,
1448 // set the accuracy to 100% for now.
1371 rc_target_percentage = 100;1449 rc_target_percentage = 100;
1372 } else {
1373 ctx->va_rc_mode = VA_RC_VBR;
1374 1450
1375 rc_bits_per_second = avctx->rc_max_rate;1451 // Convergence period in frames. The GOP size reflects the
1376 rc_target_percentage = (avctx->bit_rate * 100) /1452 // user's intended block size for cutting, so reusing that
1377 avctx->rc_max_rate;1453 // as the convergence period seems a reasonable default.
1378 }1454 rc_window_size = avctx->gop_size > 0 ? avctx->gop_size : 60;
1379 1455
1380 } else if (avctx->rc_max_rate == avctx->bit_rate) {1456 } else if (rc_mode->maxrate) {
1381 if (!(rc_attr.value & VA_RC_CBR)) {1457 if (avctx->rc_max_rate > 0) {
1382 av_log(avctx, AV_LOG_WARNING, "Driver does not support "1458 if (avctx->rc_max_rate < avctx->bit_rate) {
1383 "CBR mode (%#x), using VBR mode instead.\n",1459 av_log(avctx, AV_LOG_ERROR, "Invalid bitrate settings: "
1384 rc_attr.value);1460 "bitrate (%"PRId64") must not be greater than "
1385 ctx->va_rc_mode = VA_RC_VBR;1461 "maxrate (%"PRId64").\n", avctx->bit_rate,
1462 avctx->rc_max_rate);
1463 return AVERROR(EINVAL);
1464 }
1465 rc_bits_per_second = avctx->rc_max_rate;
1466 rc_target_percentage = (avctx->bit_rate * 100) /
1467 avctx->rc_max_rate;
1468 } else {
1469 // We only have a target bitrate, but this mode requires
1470 // that a maximum rate be supplied as well. Since the
1471 // user does not want this to be a constraint, arbitrarily
1472 // pick a maximum rate of double the target rate.
1473 rc_bits_per_second = 2 * avctx->bit_rate;
1474 rc_target_percentage = 50;
1475 }
1386 } else {1476 } else {
1387 ctx->va_rc_mode = VA_RC_CBR;1477 if (avctx->rc_max_rate > avctx->bit_rate) {
1478 av_log(avctx, AV_LOG_WARNING, "Max bitrate is ignored "
1479 "in %s RC mode.\n", rc_mode->name);
1480 }
1481 rc_bits_per_second = avctx->bit_rate;
1482 rc_target_percentage = 100;
1388 }1483 }
1389 1484 } else {
1390 rc_bits_per_second = avctx->bit_rate;1485 rc_bits_per_second = 0;
1391 rc_target_percentage = 100;1486 rc_target_percentage = 100;
1487 }
1392 1488
1489 if (rc_mode->quality) {
1490 if (ctx->explicit_qp) {
1491 rc_quality = ctx->explicit_qp;
1492 } else if (avctx->global_quality > 0) {
1493 rc_quality = avctx->global_quality;
1494 } else {
1495 rc_quality = ctx->codec->default_quality;
1496 av_log(avctx, AV_LOG_WARNING, "No quality level set; "
1497 "using default (%d).\n", rc_quality);
1498 }
1393 } else {1499 } else {
1394 if (rc_attr.value & VA_RC_VBR) {1500 rc_quality = 0;
1395 ctx->va_rc_mode = VA_RC_VBR;1501 }
1396 1502
1397 // We only have a target bitrate, but VAAPI requires that a1503 if (rc_mode->hrd) {
1398 // maximum rate be supplied as well. Since the user has1504 if (avctx->rc_buffer_size)
1399 // offered no particular constraint, arbitrarily pick a1505 hrd_buffer_size = avctx->rc_buffer_size;
1400 // maximum rate of double the target rate.1506 else if (avctx->rc_max_rate > 0)
1401 rc_bits_per_second = 2 * avctx->bit_rate;1507 hrd_buffer_size = avctx->rc_max_rate;
1402 rc_target_percentage = 50;1508 else
1509 hrd_buffer_size = avctx->bit_rate;
1510 if (avctx->rc_initial_buffer_occupancy) {
1511 if (avctx->rc_initial_buffer_occupancy > hrd_buffer_size) {
1512 av_log(avctx, AV_LOG_ERROR, "Invalid RC buffer settings: "
1513 "must have initial buffer size (%d) <= "
1514 "buffer size (%"PRId64").\n",
1515 avctx->rc_initial_buffer_occupancy, hrd_buffer_size);
1516 return AVERROR(EINVAL);
1517 }
1518 hrd_initial_buffer_fullness = avctx->rc_initial_buffer_occupancy;
1403 } else {1519 } else {
1404 ctx->va_rc_mode = VA_RC_CBR;1520 hrd_initial_buffer_fullness = hrd_buffer_size * 3 / 4;
1521 }
1405 1522
1406 rc_bits_per_second = avctx->bit_rate;1523 rc_window_size = (hrd_buffer_size * 1000) / rc_bits_per_second;
1407 rc_target_percentage = 100;1524 } else {
1525 if (avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) {
1526 av_log(avctx, AV_LOG_WARNING, "Buffering settings are ignored "
1527 "in %s RC mode.\n", rc_mode->name);
1408 }1528 }
1409 }
1410 1529
1411 rc_window_size = (hrd_buffer_size * 1000) / rc_bits_per_second;1530 hrd_buffer_size = 0;
1531 hrd_initial_buffer_fullness = 0;
1412 1532
1413 av_log(avctx, AV_LOG_VERBOSE, "RC mode: %s, %d%% of %"PRId64" bps "1533 if (rc_mode->mode != RC_MODE_AVBR) {
1414 "over %d ms.\n", ctx->va_rc_mode == VA_RC_VBR ? "VBR" : "CBR",1534 // Already set (with completely different meaning) for AVBR.
1415 rc_target_percentage, rc_bits_per_second, rc_window_size);1535 rc_window_size = 1000;
1416 av_log(avctx, AV_LOG_VERBOSE, "RC buffer: %"PRId64" bits, "1536 }
1417 "initial fullness %"PRId64" bits.\n",1537 }
1418 hrd_buffer_size, hrd_initial_buffer_fullness);
1419 1538
1420 if (rc_bits_per_second > UINT32_MAX ||1539 if (rc_bits_per_second > UINT32_MAX ||
1421 hrd_buffer_size > UINT32_MAX ||1540 hrd_buffer_size > UINT32_MAX ||
@@ -1425,36 +1544,70 @@ static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx) · 3 unmodified lines
1425 return AVERROR(EINVAL);1544 return AVERROR(EINVAL);
1426 }1545 }
1427 1546
1547 ctx->rc_mode = rc_mode;
1548 ctx->rc_quality = rc_quality;
1549 ctx->va_rc_mode = rc_mode->va_mode;
1428 ctx->va_bit_rate = rc_bits_per_second;1550 ctx->va_bit_rate = rc_bits_per_second;
1429 1551
1430 ctx->config_attributes[ctx->nb_config_attributes++] =1552 av_log(avctx, AV_LOG_VERBOSE, "RC mode: %s.\n", rc_mode->name);
1431 (VAConfigAttrib) {1553 if (rc_attr.value == VA_ATTRIB_NOT_SUPPORTED) {
1432 .type = VAConfigAttribRateControl,1554 // This driver does not want the RC mode attribute to be set.
1433 .value = ctx->va_rc_mode,1555 } else {
1434 };1556 ctx->config_attributes[ctx->nb_config_attributes++] =
1557 (VAConfigAttrib) {
1558 .type = VAConfigAttribRateControl,
1559 .value = ctx->va_rc_mode,
1560 };
1561 }
1435 1562
1436 ctx->rc_params.misc.type = VAEncMiscParameterTypeRateControl;1563 if (rc_mode->quality)
1437 ctx->rc_params.rc = (VAEncMiscParameterRateControl) {1564 av_log(avctx, AV_LOG_VERBOSE, "RC quality: %d.\n", rc_quality);
1438 .bits_per_second = rc_bits_per_second,1565
1439 .target_percentage = rc_target_percentage,1566 if (rc_mode->va_mode != VA_RC_CQP) {
1440 .window_size = rc_window_size,1567 if (rc_mode->mode == RC_MODE_AVBR) {
1441 .initial_qp = 0,1568 av_log(avctx, AV_LOG_VERBOSE, "RC target: %"PRId64" bps "
1442 .min_qp = (avctx->qmin > 0 ? avctx->qmin : 0),1569 "converging in %d frames with %d%% accuracy.\n",
1443 .basic_unit_size = 0,1570 rc_bits_per_second, rc_window_size,
1571 rc_target_percentage);
1572 } else if (rc_mode->bitrate) {
1573 av_log(avctx, AV_LOG_VERBOSE, "RC target: %d%% of "
1574 "%"PRId64" bps over %d ms.\n", rc_target_percentage,
1575 rc_bits_per_second, rc_window_size);
1576 }
1577
1578 ctx->rc_params.misc.type = VAEncMiscParameterTypeRateControl;
1579 ctx->rc_params.rc = (VAEncMiscParameterRateControl) {
1580 .bits_per_second = rc_bits_per_second,
1581 .target_percentage = rc_target_percentage,
1582 .window_size = rc_window_size,
1583 .initial_qp = 0,
1584 .min_qp = (avctx->qmin > 0 ? avctx->qmin : 0),
1585 .basic_unit_size = 0,
1444#if VA_CHECK_VERSION(1, 1, 0)1586#if VA_CHECK_VERSION(1, 1, 0)
1445 .max_qp = (avctx->qmax > 0 ? avctx->qmax : 0),1587 .ICQ_quality_factor = av_clip(rc_quality, 1, 51),
1588 .max_qp = (avctx->qmax > 0 ? avctx->qmax : 0),
1446#endif1589#endif
1447 };1590#if VA_CHECK_VERSION(1, 3, 0)
1448 vaapi_encode_add_global_param(avctx, &ctx->rc_params.misc,1591 .quality_factor = rc_quality,
1449 sizeof(ctx->rc_params));1592#endif
1593 };
1594 vaapi_encode_add_global_param(avctx, &ctx->rc_params.misc,
1595 sizeof(ctx->rc_params));
1596 }
1450 1597
1451 ctx->hrd_params.misc.type = VAEncMiscParameterTypeHRD;1598 if (rc_mode->hrd) {
1452 ctx->hrd_params.hrd = (VAEncMiscParameterHRD) {1599 av_log(avctx, AV_LOG_VERBOSE, "RC buffer: %"PRId64" bits, "
1453 .initial_buffer_fullness = hrd_initial_buffer_fullness,1600 "initial fullness %"PRId64" bits.\n",
1454 .buffer_size = hrd_buffer_size,1601 hrd_buffer_size, hrd_initial_buffer_fullness);
1455 };1602
1456 vaapi_encode_add_global_param(avctx, &ctx->hrd_params.misc,1603 ctx->hrd_params.misc.type = VAEncMiscParameterTypeHRD;
1457 sizeof(ctx->hrd_params));1604 ctx->hrd_params.hrd = (VAEncMiscParameterHRD) {
1605 .initial_buffer_fullness = hrd_initial_buffer_fullness,
1606 .buffer_size = hrd_buffer_size,
1607 };
1608 vaapi_encode_add_global_param(avctx, &ctx->hrd_params.misc,
1609 sizeof(ctx->hrd_params));
1610 }
1458 1611
1459 if (avctx->framerate.num > 0 && avctx->framerate.den > 0)1612 if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
1460 av_reduce(&fr_num, &fr_den,1613 av_reduce(&fr_num, &fr_den,
@@ -1463,6 +1616,9 @@ static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx) · 2 unmodified lines
1463 av_reduce(&fr_num, &fr_den,1616 av_reduce(&fr_num, &fr_den,
1464 avctx->time_base.den, avctx->time_base.num, 65535);1617 avctx->time_base.den, avctx->time_base.num, 65535);
1465 1618
1619 av_log(avctx, AV_LOG_VERBOSE, "RC framerate: %d/%d (%.2f fps).\n",
1620 fr_num, fr_den, (double)fr_num / fr_den);
1621
1466 ctx->fr_params.misc.type = VAEncMiscParameterTypeFrameRate;1622 ctx->fr_params.misc.type = VAEncMiscParameterTypeFrameRate;
1467 ctx->fr_params.fr.framerate = (unsigned int)fr_den << 16 | fr_num;1623 ctx->fr_params.fr.framerate = (unsigned int)fr_den << 16 | fr_num;
1468 1624

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