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android / platform / frameworks / av / refs/heads/main / . / media / libstagefright / Utils.cpp
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/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//#define LOG_NDEBUG 0
#define LOG_TAG "Utils"
#include <utils/Log.h>
#include <ctype.h>
#include <stdio.h>
#include <sys/stat.h>
#include <utility>
#include <vector>
#include <media/esds/ESDS.h>
#include "include/HevcUtils.h"
#include <cutils/properties.h>
#include <media/stagefright/CodecBase.h>
#include <media/stagefright/foundation/ABuffer.h>
#include <media/stagefright/foundation/ADebug.h>
#include <media/stagefright/foundation/ALookup.h>
#include <media/stagefright/foundation/AMessage.h>
#include <media/stagefright/foundation/ByteUtils.h>
#include <media/stagefright/foundation/OpusHeader.h>
#include <media/stagefright/MetaData.h>
#include <media/stagefright/MediaCodecConstants.h>
#include <media/stagefright/MediaDefs.h>
#include <media/AudioSystem.h>
#include <media/MediaPlayerInterface.h>
#include <media/stagefright/Utils.h>
#include <media/AudioParameter.h>
#include <system/audio.h>
// TODO : Remove the defines once mainline media is built against NDK >= 31.
// The mp4 extractor is part of mainline and builds against NDK 29 as of
// writing. These keys are available only from NDK 31:
#define AMEDIAFORMAT_KEY_MPEGH_PROFILE_LEVEL_INDICATION \
"mpegh-profile-level-indication"
#define AMEDIAFORMAT_KEY_MPEGH_REFERENCE_CHANNEL_LAYOUT \
"mpegh-reference-channel-layout"
#define AMEDIAFORMAT_KEY_MPEGH_COMPATIBLE_SETS \
"mpegh-compatible-sets"
namespace {
// TODO: this should possibly be handled in an else
constexpr static int32_t AACObjectNull = 0;
// TODO: decide if we should just not transmit the level in this case
constexpr static int32_t DolbyVisionLevelUnknown = 0;
}
namespace android {
static status_t copyNALUToABuffer(sp<ABuffer> *buffer, const uint8_t *ptr, size_t length) {
if (((*buffer)->size() + 4 + length) > ((*buffer)->capacity() - (*buffer)->offset())) {
sp<ABuffer> tmpBuffer = new (std::nothrow) ABuffer((*buffer)->size() + 4 + length + 1024);
if (tmpBuffer.get() == NULL || tmpBuffer->base() == NULL) {
return NO_MEMORY;
}
memcpy(tmpBuffer->data(), (*buffer)->data(), (*buffer)->size());
tmpBuffer->setRange(0, (*buffer)->size());
(*buffer) = tmpBuffer;
}
memcpy((*buffer)->data() + (*buffer)->size(), "\x00\x00\x00\x01", 4);
memcpy((*buffer)->data() + (*buffer)->size() + 4, ptr, length);
(*buffer)->setRange((*buffer)->offset(), (*buffer)->size() + 4 + length);
return OK;
}
#if 0
static void convertMetaDataToMessageInt32(
const sp<MetaData> &meta, sp<AMessage> &msg, uint32_t key, const char *name) {
int32_t value;
if (meta->findInt32(key, &value)) {
msg->setInt32(name, value);
}
}
#endif
static void convertMetaDataToMessageColorAspects(const MetaDataBase *meta, sp<AMessage> &msg) {
// 0 values are unspecified
int32_t range = 0;
int32_t primaries = 0;
int32_t transferFunction = 0;
int32_t colorMatrix = 0;
meta->findInt32(kKeyColorRange, &range);
meta->findInt32(kKeyColorPrimaries, &primaries);
meta->findInt32(kKeyTransferFunction, &transferFunction);
meta->findInt32(kKeyColorMatrix, &colorMatrix);
ColorAspects colorAspects;
memset(&colorAspects, 0, sizeof(colorAspects));
colorAspects.mRange = (ColorAspects::Range)range;
colorAspects.mPrimaries = (ColorAspects::Primaries)primaries;
colorAspects.mTransfer = (ColorAspects::Transfer)transferFunction;
colorAspects.mMatrixCoeffs = (ColorAspects::MatrixCoeffs)colorMatrix;
int32_t rangeMsg, standardMsg, transferMsg;
if (CodecBase::convertCodecColorAspectsToPlatformAspects(
colorAspects, &rangeMsg, &standardMsg, &transferMsg) != OK) {
return;
}
// save specified values to msg
if (rangeMsg != 0) {
msg->setInt32("color-range", rangeMsg);
}
if (standardMsg != 0) {
msg->setInt32("color-standard", standardMsg);
}
if (transferMsg != 0) {
msg->setInt32("color-transfer", transferMsg);
}
}
/**
* Returns true if, and only if, the given format corresponds to HDR10 or HDR10+.
*/
static bool isHdr10or10Plus(const sp<AMessage> &format) {
// if user/container supplied HDR static info without transfer set, assume true
if ((format->contains("hdr-static-info") || format->contains("hdr10-plus-info"))
&& !format->contains("color-transfer")) {
return true;
}
// otherwise, verify that an HDR transfer function is set
int32_t transfer;
if (format->findInt32("color-transfer", &transfer)) {
return transfer == ColorUtils::kColorTransferST2084;
}
return false;
}
static void parseAacProfileFromCsd(const sp<ABuffer> &csd, sp<AMessage> &format) {
if (csd->size() < 2) {
return;
}
uint16_t audioObjectType = U16_AT((uint8_t*)csd->data());
if ((audioObjectType & 0xF800) == 0xF800) {
audioObjectType = 32 + ((audioObjectType >> 5) & 0x3F);
} else {
audioObjectType >>= 11;
}
const static ALookup<uint16_t, int32_t> profiles {
{ 1, AACObjectMain },
{ 2, AACObjectLC },
{ 3, AACObjectSSR },
{ 4, AACObjectLTP },
{ 5, AACObjectHE },
{ 6, AACObjectScalable },
{ 17, AACObjectERLC },
{ 23, AACObjectLD },
{ 29, AACObjectHE_PS },
{ 39, AACObjectELD },
{ 42, AACObjectXHE },
};
int32_t profile;
if (profiles.map(audioObjectType, &profile)) {
format->setInt32("profile", profile);
}
}
static void parseAvcProfileLevelFromAvcc(const uint8_t *ptr, size_t size, sp<AMessage> &format) {
if (size < 4 || ptr[0] != 1) { // configurationVersion == 1
return;
}
const uint8_t profile = ptr[1];
const uint8_t constraints = ptr[2];
const uint8_t level = ptr[3];
const static ALookup<uint8_t, int32_t> levels {
{ 9, AVCLevel1b }, // technically, 9 is only used for High+ profiles
{ 10, AVCLevel1 },
{ 11, AVCLevel11 }, // prefer level 1.1 for the value 11
{ 11, AVCLevel1b },
{ 12, AVCLevel12 },
{ 13, AVCLevel13 },
{ 20, AVCLevel2 },
{ 21, AVCLevel21 },
{ 22, AVCLevel22 },
{ 30, AVCLevel3 },
{ 31, AVCLevel31 },
{ 32, AVCLevel32 },
{ 40, AVCLevel4 },
{ 41, AVCLevel41 },
{ 42, AVCLevel42 },
{ 50, AVCLevel5 },
{ 51, AVCLevel51 },
{ 52, AVCLevel52 },
{ 60, AVCLevel6 },
{ 61, AVCLevel61 },
{ 62, AVCLevel62 },
};
const static ALookup<uint8_t, int32_t> profiles {
{ 66, AVCProfileBaseline },
{ 77, AVCProfileMain },
{ 88, AVCProfileExtended },
{ 100, AVCProfileHigh },
{ 110, AVCProfileHigh10 },
{ 122, AVCProfileHigh422 },
{ 244, AVCProfileHigh444 },
};
// set profile & level if they are recognized
int32_t codecProfile;
int32_t codecLevel;
if (profiles.map(profile, &codecProfile)) {
if (profile == 66 && (constraints & 0x40)) {
codecProfile = AVCProfileConstrainedBaseline;
} else if (profile == 100 && (constraints & 0x0C) == 0x0C) {
codecProfile = AVCProfileConstrainedHigh;
}
format->setInt32("profile", codecProfile);
if (levels.map(level, &codecLevel)) {
// for 9 && 11 decide level based on profile and constraint_set3 flag
if (level == 11 && (profile == 66 || profile == 77 || profile == 88)) {
codecLevel = (constraints & 0x10) ? AVCLevel1b : AVCLevel11;
}
format->setInt32("level", codecLevel);
}
}
}
static const ALookup<uint8_t, int32_t>& getDolbyVisionProfileTable() {
static const ALookup<uint8_t, int32_t> profileTable = {
{1, DolbyVisionProfileDvavPen},
{3, DolbyVisionProfileDvheDen},
{4, DolbyVisionProfileDvheDtr},
{5, DolbyVisionProfileDvheStn},
{6, DolbyVisionProfileDvheDth},
{7, DolbyVisionProfileDvheDtb},
{8, DolbyVisionProfileDvheSt},
{9, DolbyVisionProfileDvavSe},
{10, DolbyVisionProfileDvav110},
};
return profileTable;
}
static const ALookup<uint8_t, int32_t>& getDolbyVisionLevelsTable() {
static const ALookup<uint8_t, int32_t> levelsTable = {
{0, DolbyVisionLevelUnknown},
{1, DolbyVisionLevelHd24},
{2, DolbyVisionLevelHd30},
{3, DolbyVisionLevelFhd24},
{4, DolbyVisionLevelFhd30},
{5, DolbyVisionLevelFhd60},
{6, DolbyVisionLevelUhd24},
{7, DolbyVisionLevelUhd30},
{8, DolbyVisionLevelUhd48},
{9, DolbyVisionLevelUhd60},
{10, DolbyVisionLevelUhd120},
{11, DolbyVisionLevel8k30},
{12, DolbyVisionLevel8k60},
};
return levelsTable;
}
static void parseDolbyVisionProfileLevelFromDvcc(const uint8_t *ptr, size_t size, sp<AMessage> &format) {
// dv_major.dv_minor Should be 1.0 or 2.1
if (size != 24 || ((ptr[0] != 1 || ptr[1] != 0) && (ptr[0] != 2 || ptr[1] != 1))) {
ALOGV("Size %zu, dv_major %d, dv_minor %d", size, ptr[0], ptr[1]);
return;
}
const uint8_t profile = ptr[2] >> 1;
const uint8_t level = ((ptr[2] & 0x1) << 5) | ((ptr[3] >> 3) & 0x1f);
const uint8_t rpu_present_flag = (ptr[3] >> 2) & 0x01;
const uint8_t el_present_flag = (ptr[3] >> 1) & 0x01;
const uint8_t bl_present_flag = (ptr[3] & 0x01);
const int32_t bl_compatibility_id = (int32_t)(ptr[4] >> 4);
ALOGV("profile-level-compatibility value in dv(c|v)c box %d-%d-%d",
profile, level, bl_compatibility_id);
// All Dolby Profiles will have profile and level info in MediaFormat
// Profile 8 and 9 will have bl_compatibility_id too.
const ALookup<uint8_t, int32_t> &profiles = getDolbyVisionProfileTable();
const ALookup<uint8_t, int32_t> &levels = getDolbyVisionLevelsTable();
// set rpuAssoc
if (rpu_present_flag && el_present_flag && !bl_present_flag) {
format->setInt32("rpuAssoc", 1);
}
// set profile & level if they are recognized
int32_t codecProfile;
int32_t codecLevel;
if (profiles.map(profile, &codecProfile)) {
format->setInt32("profile", codecProfile);
if (codecProfile == DolbyVisionProfileDvheSt ||
codecProfile == DolbyVisionProfileDvavSe) {
format->setInt32("bl_compatibility_id", bl_compatibility_id);
}
if (levels.map(level, &codecLevel)) {
format->setInt32("level", codecLevel);
}
}
}
static void parseH263ProfileLevelFromD263(const uint8_t *ptr, size_t size, sp<AMessage> &format) {
if (size < 7) {
return;
}
const uint8_t profile = ptr[6];
const uint8_t level = ptr[5];
const static ALookup<uint8_t, int32_t> profiles {
{ 0, H263ProfileBaseline },
{ 1, H263ProfileH320Coding },
{ 2, H263ProfileBackwardCompatible },
{ 3, H263ProfileISWV2 },
{ 4, H263ProfileISWV3 },
{ 5, H263ProfileHighCompression },
{ 6, H263ProfileInternet },
{ 7, H263ProfileInterlace },
{ 8, H263ProfileHighLatency },
};
const static ALookup<uint8_t, int32_t> levels {
{ 10, H263Level10 },
{ 20, H263Level20 },
{ 30, H263Level30 },
{ 40, H263Level40 },
{ 45, H263Level45 },
{ 50, H263Level50 },
{ 60, H263Level60 },
{ 70, H263Level70 },
};
// set profile & level if they are recognized
int32_t codecProfile;
int32_t codecLevel;
if (profiles.map(profile, &codecProfile)) {
format->setInt32("profile", codecProfile);
if (levels.map(level, &codecLevel)) {
format->setInt32("level", codecLevel);
}
}
}
static void parseHevcProfileLevelFromHvcc(const uint8_t *ptr, size_t size, sp<AMessage> &format) {
if (size < 13 || ptr[0] != 1) { // configurationVersion == 1
return;
}
const uint8_t profile = ptr[1] & 0x1F;
const uint8_t tier = (ptr[1] & 0x20) >> 5;
const uint8_t level = ptr[12];
const static ALookup<std::pair<uint8_t, uint8_t>, int32_t> levels {
{ { 0, 30 }, HEVCMainTierLevel1 },
{ { 0, 60 }, HEVCMainTierLevel2 },
{ { 0, 63 }, HEVCMainTierLevel21 },
{ { 0, 90 }, HEVCMainTierLevel3 },
{ { 0, 93 }, HEVCMainTierLevel31 },
{ { 0, 120 }, HEVCMainTierLevel4 },
{ { 0, 123 }, HEVCMainTierLevel41 },
{ { 0, 150 }, HEVCMainTierLevel5 },
{ { 0, 153 }, HEVCMainTierLevel51 },
{ { 0, 156 }, HEVCMainTierLevel52 },
{ { 0, 180 }, HEVCMainTierLevel6 },
{ { 0, 183 }, HEVCMainTierLevel61 },
{ { 0, 186 }, HEVCMainTierLevel62 },
{ { 1, 30 }, HEVCHighTierLevel1 },
{ { 1, 60 }, HEVCHighTierLevel2 },
{ { 1, 63 }, HEVCHighTierLevel21 },
{ { 1, 90 }, HEVCHighTierLevel3 },
{ { 1, 93 }, HEVCHighTierLevel31 },
{ { 1, 120 }, HEVCHighTierLevel4 },
{ { 1, 123 }, HEVCHighTierLevel41 },
{ { 1, 150 }, HEVCHighTierLevel5 },
{ { 1, 153 }, HEVCHighTierLevel51 },
{ { 1, 156 }, HEVCHighTierLevel52 },
{ { 1, 180 }, HEVCHighTierLevel6 },
{ { 1, 183 }, HEVCHighTierLevel61 },
{ { 1, 186 }, HEVCHighTierLevel62 },
};
const static ALookup<uint8_t, int32_t> profiles {
{ 1, HEVCProfileMain },
{ 2, HEVCProfileMain10 },
// use Main for Main Still Picture decoding
{ 3, HEVCProfileMain },
};
// set profile & level if they are recognized
int32_t codecProfile;
int32_t codecLevel;
if (!profiles.map(profile, &codecProfile)) {
if (ptr[2] & 0x40 /* general compatibility flag 1 */) {
// Note that this case covers Main Still Picture too
codecProfile = HEVCProfileMain;
} else if (ptr[2] & 0x20 /* general compatibility flag 2 */) {
codecProfile = HEVCProfileMain10;
} else {
return;
}
}
// bump to HDR profile
if (isHdr10or10Plus(format) && codecProfile == HEVCProfileMain10) {
if (format->contains("hdr10-plus-info")) {
codecProfile = HEVCProfileMain10HDR10Plus;
} else {
codecProfile = HEVCProfileMain10HDR10;
}
}
format->setInt32("profile", codecProfile);
if (levels.map(std::make_pair(tier, level), &codecLevel)) {
format->setInt32("level", codecLevel);
}
}
static void parseMpeg2ProfileLevelFromHeader(
const uint8_t *data, size_t size, sp<AMessage> &format) {
// find sequence extension
const uint8_t *seq = (const uint8_t*)memmem(data, size, "\x00\x00\x01\xB5", 4);
if (seq != NULL && seq + 5 < data + size) {
const uint8_t start_code = seq[4] >> 4;
if (start_code != 1 /* sequence extension ID */) {
return;
}
const uint8_t indication = ((seq[4] & 0xF) << 4) | ((seq[5] & 0xF0) >> 4);
const static ALookup<uint8_t, int32_t> profiles {
{ 0x50, MPEG2ProfileSimple },
{ 0x40, MPEG2ProfileMain },
{ 0x30, MPEG2ProfileSNR },
{ 0x20, MPEG2ProfileSpatial },
{ 0x10, MPEG2ProfileHigh },
};
const static ALookup<uint8_t, int32_t> levels {
{ 0x0A, MPEG2LevelLL },
{ 0x08, MPEG2LevelML },
{ 0x06, MPEG2LevelH14 },
{ 0x04, MPEG2LevelHL },
{ 0x02, MPEG2LevelHP },
};
const static ALookup<uint8_t,
std::pair<int32_t, int32_t>> escapes {
/* unsupported
{ 0x8E, { XXX_MPEG2ProfileMultiView, MPEG2LevelLL } },
{ 0x8D, { XXX_MPEG2ProfileMultiView, MPEG2LevelML } },
{ 0x8B, { XXX_MPEG2ProfileMultiView, MPEG2LevelH14 } },
{ 0x8A, { XXX_MPEG2ProfileMultiView, MPEG2LevelHL } }, */
{ 0x85, { MPEG2Profile422, MPEG2LevelML } },
{ 0x82, { MPEG2Profile422, MPEG2LevelHL } },
};
int32_t profile;
int32_t level;
std::pair<int32_t, int32_t> profileLevel;
if (escapes.map(indication, &profileLevel)) {
format->setInt32("profile", profileLevel.first);
format->setInt32("level", profileLevel.second);
} else if (profiles.map(indication & 0x70, &profile)) {
format->setInt32("profile", profile);
if (levels.map(indication & 0xF, &level)) {
format->setInt32("level", level);
}
}
}
}
static void parseMpeg2ProfileLevelFromEsds(ESDS &esds, sp<AMessage> &format) {
// esds seems to only contain the profile for MPEG-2
uint8_t objType;
if (esds.getObjectTypeIndication(&objType) == OK) {
const static ALookup<uint8_t, int32_t> profiles{
{ 0x60, MPEG2ProfileSimple },
{ 0x61, MPEG2ProfileMain },
{ 0x62, MPEG2ProfileSNR },
{ 0x63, MPEG2ProfileSpatial },
{ 0x64, MPEG2ProfileHigh },
{ 0x65, MPEG2Profile422 },
};
int32_t profile;
if (profiles.map(objType, &profile)) {
format->setInt32("profile", profile);
}
}
}
static void parseMpeg4ProfileLevelFromCsd(const sp<ABuffer> &csd, sp<AMessage> &format) {
const uint8_t *data = csd->data();
// find visual object sequence
const uint8_t *seq = (const uint8_t*)memmem(data, csd->size(), "\x00\x00\x01\xB0", 4);
if (seq != NULL && seq + 4 < data + csd->size()) {
const uint8_t indication = seq[4];
const static ALookup<uint8_t,
std::pair<int32_t, int32_t>> table {
{ 0b00000001, { MPEG4ProfileSimple, MPEG4Level1 } },
{ 0b00000010, { MPEG4ProfileSimple, MPEG4Level2 } },
{ 0b00000011, { MPEG4ProfileSimple, MPEG4Level3 } },
{ 0b00000100, { MPEG4ProfileSimple, MPEG4Level4a } },
{ 0b00000101, { MPEG4ProfileSimple, MPEG4Level5 } },
{ 0b00000110, { MPEG4ProfileSimple, MPEG4Level6 } },
{ 0b00001000, { MPEG4ProfileSimple, MPEG4Level0 } },
{ 0b00001001, { MPEG4ProfileSimple, MPEG4Level0b } },
{ 0b00010000, { MPEG4ProfileSimpleScalable, MPEG4Level0 } },
{ 0b00010001, { MPEG4ProfileSimpleScalable, MPEG4Level1 } },
{ 0b00010010, { MPEG4ProfileSimpleScalable, MPEG4Level2 } },
/* unsupported
{ 0b00011101, { XXX_MPEG4ProfileSimpleScalableER, MPEG4Level0 } },
{ 0b00011110, { XXX_MPEG4ProfileSimpleScalableER, MPEG4Level1 } },
{ 0b00011111, { XXX_MPEG4ProfileSimpleScalableER, MPEG4Level2 } }, */
{ 0b00100001, { MPEG4ProfileCore, MPEG4Level1 } },
{ 0b00100010, { MPEG4ProfileCore, MPEG4Level2 } },
{ 0b00110010, { MPEG4ProfileMain, MPEG4Level2 } },
{ 0b00110011, { MPEG4ProfileMain, MPEG4Level3 } },
{ 0b00110100, { MPEG4ProfileMain, MPEG4Level4 } },
/* deprecated
{ 0b01000010, { MPEG4ProfileNbit, MPEG4Level2 } }, */
{ 0b01010001, { MPEG4ProfileScalableTexture, MPEG4Level1 } },
{ 0b01100001, { MPEG4ProfileSimpleFace, MPEG4Level1 } },
{ 0b01100010, { MPEG4ProfileSimpleFace, MPEG4Level2 } },
{ 0b01100011, { MPEG4ProfileSimpleFBA, MPEG4Level1 } },
{ 0b01100100, { MPEG4ProfileSimpleFBA, MPEG4Level2 } },
{ 0b01110001, { MPEG4ProfileBasicAnimated, MPEG4Level1 } },
{ 0b01110010, { MPEG4ProfileBasicAnimated, MPEG4Level2 } },
{ 0b10000001, { MPEG4ProfileHybrid, MPEG4Level1 } },
{ 0b10000010, { MPEG4ProfileHybrid, MPEG4Level2 } },
{ 0b10010001, { MPEG4ProfileAdvancedRealTime, MPEG4Level1 } },
{ 0b10010010, { MPEG4ProfileAdvancedRealTime, MPEG4Level2 } },
{ 0b10010011, { MPEG4ProfileAdvancedRealTime, MPEG4Level3 } },
{ 0b10010100, { MPEG4ProfileAdvancedRealTime, MPEG4Level4 } },
{ 0b10100001, { MPEG4ProfileCoreScalable, MPEG4Level1 } },
{ 0b10100010, { MPEG4ProfileCoreScalable, MPEG4Level2 } },
{ 0b10100011, { MPEG4ProfileCoreScalable, MPEG4Level3 } },
{ 0b10110001, { MPEG4ProfileAdvancedCoding, MPEG4Level1 } },
{ 0b10110010, { MPEG4ProfileAdvancedCoding, MPEG4Level2 } },
{ 0b10110011, { MPEG4ProfileAdvancedCoding, MPEG4Level3 } },
{ 0b10110100, { MPEG4ProfileAdvancedCoding, MPEG4Level4 } },
{ 0b11000001, { MPEG4ProfileAdvancedCore, MPEG4Level1 } },
{ 0b11000010, { MPEG4ProfileAdvancedCore, MPEG4Level2 } },
{ 0b11010001, { MPEG4ProfileAdvancedScalable, MPEG4Level1 } },
{ 0b11010010, { MPEG4ProfileAdvancedScalable, MPEG4Level2 } },
{ 0b11010011, { MPEG4ProfileAdvancedScalable, MPEG4Level3 } },
/* unsupported
{ 0b11100001, { XXX_MPEG4ProfileSimpleStudio, MPEG4Level1 } },
{ 0b11100010, { XXX_MPEG4ProfileSimpleStudio, MPEG4Level2 } },
{ 0b11100011, { XXX_MPEG4ProfileSimpleStudio, MPEG4Level3 } },
{ 0b11100100, { XXX_MPEG4ProfileSimpleStudio, MPEG4Level4 } },
{ 0b11100101, { XXX_MPEG4ProfileCoreStudio, MPEG4Level1 } },
{ 0b11100110, { XXX_MPEG4ProfileCoreStudio, MPEG4Level2 } },
{ 0b11100111, { XXX_MPEG4ProfileCoreStudio, MPEG4Level3 } },
{ 0b11101000, { XXX_MPEG4ProfileCoreStudio, MPEG4Level4 } },
{ 0b11101011, { XXX_MPEG4ProfileSimpleStudio, MPEG4Level5 } },
{ 0b11101100, { XXX_MPEG4ProfileSimpleStudio, MPEG4Level6 } }, */
{ 0b11110000, { MPEG4ProfileAdvancedSimple, MPEG4Level0 } },
{ 0b11110001, { MPEG4ProfileAdvancedSimple, MPEG4Level1 } },
{ 0b11110010, { MPEG4ProfileAdvancedSimple, MPEG4Level2 } },
{ 0b11110011, { MPEG4ProfileAdvancedSimple, MPEG4Level3 } },
{ 0b11110100, { MPEG4ProfileAdvancedSimple, MPEG4Level4 } },
{ 0b11110101, { MPEG4ProfileAdvancedSimple, MPEG4Level5 } },
{ 0b11110111, { MPEG4ProfileAdvancedSimple, MPEG4Level3b } },
/* deprecated
{ 0b11111000, { XXX_MPEG4ProfileFineGranularityScalable, MPEG4Level0 } },
{ 0b11111001, { XXX_MPEG4ProfileFineGranularityScalable, MPEG4Level1 } },
{ 0b11111010, { XXX_MPEG4ProfileFineGranularityScalable, MPEG4Level2 } },
{ 0b11111011, { XXX_MPEG4ProfileFineGranularityScalable, MPEG4Level3 } },
{ 0b11111100, { XXX_MPEG4ProfileFineGranularityScalable, MPEG4Level4 } },
{ 0b11111101, { XXX_MPEG4ProfileFineGranularityScalable, MPEG4Level5 } }, */
};
std::pair<int32_t, int32_t> profileLevel;
if (table.map(indication, &profileLevel)) {
format->setInt32("profile", profileLevel.first);
format->setInt32("level", profileLevel.second);
}
}
}
static void parseVp9ProfileLevelFromCsd(const sp<ABuffer> &csd, sp<AMessage> &format) {
const uint8_t *data = csd->data();
size_t remaining = csd->size();
while (remaining >= 2) {
const uint8_t id = data[0];
const uint8_t length = data[1];
remaining -= 2;
data += 2;
if (length > remaining) {
break;
}
switch (id) {
case 1 /* profileId */:
if (length >= 1) {
const static ALookup<uint8_t, int32_t> profiles {
{ 0, VP9Profile0 },
{ 1, VP9Profile1 },
{ 2, VP9Profile2 },
{ 3, VP9Profile3 },
};
const static ALookup<int32_t, int32_t> toHdr10 {
{ VP9Profile2, VP9Profile2HDR },
{ VP9Profile3, VP9Profile3HDR },
};
const static ALookup<int32_t, int32_t> toHdr10Plus {
{ VP9Profile2, VP9Profile2HDR10Plus },
{ VP9Profile3, VP9Profile3HDR10Plus },
};
int32_t profile;
if (profiles.map(data[0], &profile)) {
// convert to HDR profile
if (isHdr10or10Plus(format)) {
if (format->contains("hdr10-plus-info")) {
toHdr10Plus.lookup(profile, &profile);
} else {
toHdr10.lookup(profile, &profile);
}
}
format->setInt32("profile", profile);
}
}
break;
case 2 /* levelId */:
if (length >= 1) {
const static ALookup<uint8_t, int32_t> levels {
{ 10, VP9Level1 },
{ 11, VP9Level11 },
{ 20, VP9Level2 },
{ 21, VP9Level21 },
{ 30, VP9Level3 },
{ 31, VP9Level31 },
{ 40, VP9Level4 },
{ 41, VP9Level41 },
{ 50, VP9Level5 },
{ 51, VP9Level51 },
{ 52, VP9Level52 },
{ 60, VP9Level6 },
{ 61, VP9Level61 },
{ 62, VP9Level62 },
};
int32_t level;
if (levels.map(data[0], &level)) {
format->setInt32("level", level);
}
}
break;
default:
break;
}
remaining -= length;
data += length;
}
}
static void parseAV1ProfileLevelFromCsd(const sp<ABuffer> &csd, sp<AMessage> &format) {
// Parse CSD structure to extract profile level information
// https://aomediacodec.github.io/av1-isobmff/#av1codecconfigurationbox
const uint8_t *data = csd->data();
size_t remaining = csd->size();
if (remaining < 4 || data[0] != 0x81) { // configurationVersion == 1
return;
}
uint8_t profileData = (data[1] & 0xE0) >> 5;
uint8_t levelData = data[1] & 0x1F;
uint8_t highBitDepth = (data[2] & 0x40) >> 6;
const static ALookup<std::pair<uint8_t, uint8_t>, int32_t> profiles {
{ { 0, 0 }, AV1ProfileMain8 },
{ { 1, 0 }, AV1ProfileMain10 },
};
int32_t profile;
if (profiles.map(std::make_pair(highBitDepth, profileData), &profile)) {
// bump to HDR profile
if (isHdr10or10Plus(format) && profile == AV1ProfileMain10) {
if (format->contains("hdr10-plus-info")) {
profile = AV1ProfileMain10HDR10Plus;
} else {
profile = AV1ProfileMain10HDR10;
}
}
format->setInt32("profile", profile);
}
const static ALookup<uint8_t, int32_t> levels {
{ 0, AV1Level2 },
{ 1, AV1Level21 },
{ 2, AV1Level22 },
{ 3, AV1Level23 },
{ 4, AV1Level3 },
{ 5, AV1Level31 },
{ 6, AV1Level32 },
{ 7, AV1Level33 },
{ 8, AV1Level4 },
{ 9, AV1Level41 },
{ 10, AV1Level42 },
{ 11, AV1Level43 },
{ 12, AV1Level5 },
{ 13, AV1Level51 },
{ 14, AV1Level52 },
{ 15, AV1Level53 },
{ 16, AV1Level6 },
{ 17, AV1Level61 },
{ 18, AV1Level62 },
{ 19, AV1Level63 },
{ 20, AV1Level7 },
{ 21, AV1Level71 },
{ 22, AV1Level72 },
{ 23, AV1Level73 },
};
int32_t level;
if (levels.map(levelData, &level)) {
format->setInt32("level", level);
}
}
static std::vector<std::pair<const char *, uint32_t>> stringMappings {
{
{ "album", kKeyAlbum },
{ "albumartist", kKeyAlbumArtist },
{ "artist", kKeyArtist },
{ "author", kKeyAuthor },
{ "cdtracknum", kKeyCDTrackNumber },
{ "compilation", kKeyCompilation },
{ "composer", kKeyComposer },
{ "date", kKeyDate },
{ "discnum", kKeyDiscNumber },
{ "genre", kKeyGenre },
{ "location", kKeyLocation },
{ "lyricist", kKeyWriter },
{ "manufacturer", kKeyManufacturer },
{ "title", kKeyTitle },
{ "year", kKeyYear },
}
};
static std::vector<std::pair<const char *, uint32_t>> floatMappings {
{
{ "capture-rate", kKeyCaptureFramerate },
}
};
static std::vector<std::pair<const char*, uint32_t>> int64Mappings {
{
{ "exif-offset", kKeyExifOffset},
{ "exif-size", kKeyExifSize},
{ "xmp-offset", kKeyXmpOffset},
{ "xmp-size", kKeyXmpSize},
{ "target-time", kKeyTargetTime},
{ "thumbnail-time", kKeyThumbnailTime},
{ "timeUs", kKeyTime},
{ "durationUs", kKeyDuration},
{ "sample-file-offset", kKeySampleFileOffset},
{ "last-sample-index-in-chunk", kKeyLastSampleIndexInChunk},
{ "sample-time-before-append", kKeySampleTimeBeforeAppend},
}
};
static std::vector<std::pair<const char *, uint32_t>> int32Mappings {
{
{ "loop", kKeyAutoLoop },
{ "time-scale", kKeyTimeScale },
{ "crypto-mode", kKeyCryptoMode },
{ "crypto-default-iv-size", kKeyCryptoDefaultIVSize },
{ "crypto-encrypted-byte-block", kKeyEncryptedByteBlock },
{ "crypto-skip-byte-block", kKeySkipByteBlock },
{ "frame-count", kKeyFrameCount },
{ "max-bitrate", kKeyMaxBitRate },
{ "pcm-big-endian", kKeyPcmBigEndian },
{ "temporal-layer-count", kKeyTemporalLayerCount },
{ "temporal-layer-id", kKeyTemporalLayerId },
{ "thumbnail-width", kKeyThumbnailWidth },
{ "thumbnail-height", kKeyThumbnailHeight },
{ "track-id", kKeyTrackID },
{ "valid-samples", kKeyValidSamples },
{ "dvb-component-tag", kKeyDvbComponentTag},
{ "dvb-audio-description", kKeyDvbAudioDescription},
{ "dvb-teletext-magazine-number", kKeyDvbTeletextMagazineNumber},
{ "dvb-teletext-page-number", kKeyDvbTeletextPageNumber},
{ "profile", kKeyAudioProfile },
{ "level", kKeyAudioLevel },
}
};
static std::vector<std::pair<const char *, uint32_t>> bufferMappings {
{
{ "albumart", kKeyAlbumArt },
{ "audio-presentation-info", kKeyAudioPresentationInfo },
{ "pssh", kKeyPssh },
{ "crypto-iv", kKeyCryptoIV },
{ "crypto-key", kKeyCryptoKey },
{ "crypto-encrypted-sizes", kKeyEncryptedSizes },
{ "crypto-plain-sizes", kKeyPlainSizes },
{ "icc-profile", kKeyIccProfile },
{ "sei", kKeySEI },
{ "text-format-data", kKeyTextFormatData },
{ "thumbnail-csd-hevc", kKeyThumbnailHVCC },
{ "slow-motion-markers", kKeySlowMotionMarkers },
{ "thumbnail-csd-av1c", kKeyThumbnailAV1C },
}
};
static std::vector<std::pair<const char *, uint32_t>> CSDMappings {
{
{ "csd-0", kKeyOpaqueCSD0 },
{ "csd-1", kKeyOpaqueCSD1 },
{ "csd-2", kKeyOpaqueCSD2 },
}
};
void convertMessageToMetaDataFromMappings(const sp<AMessage> &msg, sp<MetaData> &meta) {
for (auto elem : stringMappings) {
AString value;
if (msg->findString(elem.first, &value)) {
meta->setCString(elem.second, value.c_str());
}
}
for (auto elem : floatMappings) {
float value;
if (msg->findFloat(elem.first, &value)) {
meta->setFloat(elem.second, value);
}
}
for (auto elem : int64Mappings) {
int64_t value;
if (msg->findInt64(elem.first, &value)) {
meta->setInt64(elem.second, value);
}
}
for (auto elem : int32Mappings) {
int32_t value;
if (msg->findInt32(elem.first, &value)) {
meta->setInt32(elem.second, value);
}
}
for (auto elem : bufferMappings) {
sp<ABuffer> value;
if (msg->findBuffer(elem.first, &value)) {
meta->setData(elem.second,
MetaDataBase::Type::TYPE_NONE, value->data(), value->size());
}
}
for (auto elem : CSDMappings) {
sp<ABuffer> value;
if (msg->findBuffer(elem.first, &value)) {
meta->setData(elem.second,
MetaDataBase::Type::TYPE_NONE, value->data(), value->size());
}
}
}
void convertMetaDataToMessageFromMappings(const MetaDataBase *meta, sp<AMessage> format) {
for (auto elem : stringMappings) {
const char *value;
if (meta->findCString(elem.second, &value)) {
format->setString(elem.first, value, strlen(value));
}
}
for (auto elem : floatMappings) {
float value;
if (meta->findFloat(elem.second, &value)) {
format->setFloat(elem.first, value);
}
}
for (auto elem : int64Mappings) {
int64_t value;
if (meta->findInt64(elem.second, &value)) {
format->setInt64(elem.first, value);
}
}
for (auto elem : int32Mappings) {
int32_t value;
if (meta->findInt32(elem.second, &value)) {
format->setInt32(elem.first, value);
}
}
for (auto elem : bufferMappings) {
uint32_t type;
const void* data;
size_t size;
if (meta->findData(elem.second, &type, &data, &size)) {
sp<ABuffer> buf = ABuffer::CreateAsCopy(data, size);
format->setBuffer(elem.first, buf);
}
}
for (auto elem : CSDMappings) {
uint32_t type;
const void* data;
size_t size;
if (meta->findData(elem.second, &type, &data, &size)) {
sp<ABuffer> buf = ABuffer::CreateAsCopy(data, size);
buf->meta()->setInt32("csd", true);
buf->meta()->setInt64("timeUs", 0);
format->setBuffer(elem.first, buf);
}
}
}
status_t convertMetaDataToMessage(
const sp<MetaData> &meta, sp<AMessage> *format) {
return convertMetaDataToMessage(meta.get(), format);
}
status_t convertMetaDataToMessage(
const MetaDataBase *meta, sp<AMessage> *format) {
format->clear();
if (meta == NULL) {
ALOGE("convertMetaDataToMessage: NULL input");
return BAD_VALUE;
}
const char *mime;
if (!meta->findCString(kKeyMIMEType, &mime)) {
return BAD_VALUE;
}
sp<AMessage> msg = new AMessage;
msg->setString("mime", mime);
convertMetaDataToMessageFromMappings(meta, msg);
uint32_t type;
const void *data;
size_t size;
if (meta->findData(kKeyCASessionID, &type, &data, &size)) {
sp<ABuffer> buffer = new (std::nothrow) ABuffer(size);
if (buffer.get() == NULL || buffer->base() == NULL) {
return NO_MEMORY;
}
msg->setBuffer("ca-session-id", buffer);
memcpy(buffer->data(), data, size);
}
if (meta->findData(kKeyCAPrivateData, &type, &data, &size)) {
sp<ABuffer> buffer = new (std::nothrow) ABuffer(size);
if (buffer.get() == NULL || buffer->base() == NULL) {
return NO_MEMORY;
}
msg->setBuffer("ca-private-data", buffer);
memcpy(buffer->data(), data, size);
}
int32_t systemId;
if (meta->findInt32(kKeyCASystemID, &systemId)) {
msg->setInt32("ca-system-id", systemId);
}
if (!strncasecmp("video/scrambled", mime, 15)
|| !strncasecmp("audio/scrambled", mime, 15)) {
*format = msg;
return OK;
}
int64_t durationUs;
if (meta->findInt64(kKeyDuration, &durationUs)) {
msg->setInt64("durationUs", durationUs);
}
int32_t avgBitRate = 0;
if (meta->findInt32(kKeyBitRate, &avgBitRate) && avgBitRate > 0) {
msg->setInt32("bitrate", avgBitRate);
}
int32_t maxBitRate;
if (meta->findInt32(kKeyMaxBitRate, &maxBitRate)
&& maxBitRate > 0 && maxBitRate >= avgBitRate) {
msg->setInt32("max-bitrate", maxBitRate);
}
int32_t isSync;
if (meta->findInt32(kKeyIsSyncFrame, &isSync) && isSync != 0) {
msg->setInt32("is-sync-frame", 1);
}
int32_t dvbComponentTag = 0;
if (meta->findInt32(kKeyDvbComponentTag, &dvbComponentTag)) {
msg->setInt32("dvb-component-tag", dvbComponentTag);
}
int32_t dvbAudioDescription = 0;
if (meta->findInt32(kKeyDvbAudioDescription, &dvbAudioDescription)) {
msg->setInt32("dvb-audio-description", dvbAudioDescription);
}
int32_t dvbTeletextMagazineNumber = 0;
if (meta->findInt32(kKeyDvbTeletextMagazineNumber, &dvbTeletextMagazineNumber)) {
msg->setInt32("dvb-teletext-magazine-number", dvbTeletextMagazineNumber);
}
int32_t dvbTeletextPageNumber = 0;
if (meta->findInt32(kKeyDvbTeletextPageNumber, &dvbTeletextPageNumber)) {
msg->setInt32("dvb-teletext-page-number", dvbTeletextPageNumber);
}
const char *lang;
if (meta->findCString(kKeyMediaLanguage, &lang)) {
msg->setString("language", lang);
}
if (!strncasecmp("video/", mime, 6) ||
!strncasecmp("image/", mime, 6)) {
int32_t width, height;
if (!meta->findInt32(kKeyWidth, &width)
|| !meta->findInt32(kKeyHeight, &height)) {
return BAD_VALUE;
}
msg->setInt32("width", width);
msg->setInt32("height", height);
int32_t displayWidth, displayHeight;
if (meta->findInt32(kKeyDisplayWidth, &displayWidth)
&& meta->findInt32(kKeyDisplayHeight, &displayHeight)) {
msg->setInt32("display-width", displayWidth);
msg->setInt32("display-height", displayHeight);
}
int32_t sarWidth, sarHeight;
if (meta->findInt32(kKeySARWidth, &sarWidth)
&& meta->findInt32(kKeySARHeight, &sarHeight)) {
msg->setInt32("sar-width", sarWidth);
msg->setInt32("sar-height", sarHeight);
}
if (!strncasecmp("image/", mime, 6)) {
int32_t tileWidth, tileHeight, gridRows, gridCols;
if (meta->findInt32(kKeyTileWidth, &tileWidth)
&& meta->findInt32(kKeyTileHeight, &tileHeight)
&& meta->findInt32(kKeyGridRows, &gridRows)
&& meta->findInt32(kKeyGridCols, &gridCols)) {
msg->setInt32("tile-width", tileWidth);
msg->setInt32("tile-height", tileHeight);
msg->setInt32("grid-rows", gridRows);
msg->setInt32("grid-cols", gridCols);
}
int32_t isPrimary;
if (meta->findInt32(kKeyTrackIsDefault, &isPrimary) && isPrimary) {
msg->setInt32("is-default", 1);
}
}
int32_t colorFormat;
if (meta->findInt32(kKeyColorFormat, &colorFormat)) {
msg->setInt32("color-format", colorFormat);
}
int32_t cropLeft, cropTop, cropRight, cropBottom;
if (meta->findRect(kKeyCropRect,
&cropLeft,
&cropTop,
&cropRight,
&cropBottom)) {
msg->setRect("crop", cropLeft, cropTop, cropRight, cropBottom);
}
int32_t rotationDegrees;
if (meta->findInt32(kKeyRotation, &rotationDegrees)) {
msg->setInt32("rotation-degrees", rotationDegrees);
}
uint32_t type;
const void *data;
size_t size;
if (meta->findData(kKeyHdrStaticInfo, &type, &data, &size)
&& type == 'hdrS' && size == sizeof(HDRStaticInfo)) {
ColorUtils::setHDRStaticInfoIntoFormat(*(HDRStaticInfo*)data, msg);
}
if (meta->findData(kKeyHdr10PlusInfo, &type, &data, &size)
&& size > 0) {
sp<ABuffer> buffer = new (std::nothrow) ABuffer(size);
if (buffer.get() == NULL || buffer->base() == NULL) {
return NO_MEMORY;
}
memcpy(buffer->data(), data, size);
msg->setBuffer("hdr10-plus-info", buffer);
}
convertMetaDataToMessageColorAspects(meta, msg);
} else if (!strncasecmp("audio/", mime, 6)) {
int32_t numChannels, sampleRate;
if (!meta->findInt32(kKeyChannelCount, &numChannels)
|| !meta->findInt32(kKeySampleRate, &sampleRate)) {
return BAD_VALUE;
}
msg->setInt32("channel-count", numChannels);
msg->setInt32("sample-rate", sampleRate);
int32_t bitsPerSample;
if (meta->findInt32(kKeyBitsPerSample, &bitsPerSample)) {
msg->setInt32("bits-per-sample", bitsPerSample);
}
int32_t channelMask;
if (meta->findInt32(kKeyChannelMask, &channelMask)) {
msg->setInt32("channel-mask", channelMask);
}
int32_t delay = 0;
if (meta->findInt32(kKeyEncoderDelay, &delay)) {
msg->setInt32("encoder-delay", delay);
}
int32_t padding = 0;
if (meta->findInt32(kKeyEncoderPadding, &padding)) {
msg->setInt32("encoder-padding", padding);
}
int32_t isADTS;
if (meta->findInt32(kKeyIsADTS, &isADTS)) {
msg->setInt32("is-adts", isADTS);
}
int32_t mpeghProfileLevelIndication;
if (meta->findInt32(kKeyMpeghProfileLevelIndication, &mpeghProfileLevelIndication)) {
msg->setInt32(AMEDIAFORMAT_KEY_MPEGH_PROFILE_LEVEL_INDICATION,
mpeghProfileLevelIndication);
}
int32_t mpeghReferenceChannelLayout;
if (meta->findInt32(kKeyMpeghReferenceChannelLayout, &mpeghReferenceChannelLayout)) {
msg->setInt32(AMEDIAFORMAT_KEY_MPEGH_REFERENCE_CHANNEL_LAYOUT,
mpeghReferenceChannelLayout);
}
if (meta->findData(kKeyMpeghCompatibleSets, &type, &data, &size)) {
sp<ABuffer> buffer = new (std::nothrow) ABuffer(size);
if (buffer.get() == NULL || buffer->base() == NULL) {
return NO_MEMORY;
}
msg->setBuffer(AMEDIAFORMAT_KEY_MPEGH_COMPATIBLE_SETS, buffer);
memcpy(buffer->data(), data, size);
}
int32_t aacProfile = -1;
if (meta->findInt32(kKeyAACAOT, &aacProfile)) {
msg->setInt32("aac-profile", aacProfile);
}
int32_t pcmEncoding;
if (meta->findInt32(kKeyPcmEncoding, &pcmEncoding)) {
msg->setInt32("pcm-encoding", pcmEncoding);
}
int32_t hapticChannelCount;
if (meta->findInt32(kKeyHapticChannelCount, &hapticChannelCount)) {
msg->setInt32("haptic-channel-count", hapticChannelCount);
}
}
int32_t maxInputSize;
if (meta->findInt32(kKeyMaxInputSize, &maxInputSize)) {
msg->setInt32("max-input-size", maxInputSize);
}
int32_t maxWidth;
if (meta->findInt32(kKeyMaxWidth, &maxWidth)) {
msg->setInt32("max-width", maxWidth);
}
int32_t maxHeight;
if (meta->findInt32(kKeyMaxHeight, &maxHeight)) {
msg->setInt32("max-height", maxHeight);
}
int32_t rotationDegrees;
if (meta->findInt32(kKeyRotation, &rotationDegrees)) {
msg->setInt32("rotation-degrees", rotationDegrees);
}
int32_t fps;
if (meta->findInt32(kKeyFrameRate, &fps) && fps > 0) {
msg->setInt32("frame-rate", fps);
}
if (meta->findData(kKeyAVCC, &type, &data, &size)) {
// Parse the AVCDecoderConfigurationRecord
const uint8_t *ptr = (const uint8_t *)data;
if (size < 7 || ptr[0] != 1) { // configurationVersion == 1
ALOGE("b/23680780");
return BAD_VALUE;
}
parseAvcProfileLevelFromAvcc(ptr, size, msg);
// There is decodable content out there that fails the following
// assertion, let's be lenient for now...
// CHECK((ptr[4] >> 2) == 0x3f); // reserved
// we can get lengthSize value from 1 + (ptr[4] & 3)
// commented out check below as H264_QVGA_500_NO_AUDIO.3gp
// violates it...
// CHECK((ptr[5] >> 5) == 7); // reserved
size_t numSeqParameterSets = ptr[5] & 31;
ptr += 6;
size -= 6;
sp<ABuffer> buffer = new (std::nothrow) ABuffer(1024);
if (buffer.get() == NULL || buffer->base() == NULL) {
return NO_MEMORY;
}
buffer->setRange(0, 0);
for (size_t i = 0; i < numSeqParameterSets; ++i) {
if (size < 2) {
ALOGE("b/23680780");
return BAD_VALUE;
}
size_t length = U16_AT(ptr);
ptr += 2;
size -= 2;
if (size < length) {
return BAD_VALUE;
}
status_t err = copyNALUToABuffer(&buffer, ptr, length);
if (err != OK) {
return err;
}
ptr += length;
size -= length;
}
buffer->meta()->setInt32("csd", true);
buffer->meta()->setInt64("timeUs", 0);
msg->setBuffer("csd-0", buffer);
buffer = new (std::nothrow) ABuffer(1024);
if (buffer.get() == NULL || buffer->base() == NULL) {
return NO_MEMORY;
}
buffer->setRange(0, 0);
if (size < 1) {
ALOGE("b/23680780");
return BAD_VALUE;
}
size_t numPictureParameterSets = *ptr;
++ptr;
--size;
for (size_t i = 0; i < numPictureParameterSets; ++i) {
if (size < 2) {
ALOGE("b/23680780");
return BAD_VALUE;
}
size_t length = U16_AT(ptr);
ptr += 2;
size -= 2;
if (size < length) {
return BAD_VALUE;
}
status_t err = copyNALUToABuffer(&buffer, ptr, length);
if (err != OK) {
return err;
}
ptr += length;
size -= length;
}
buffer->meta()->setInt32("csd", true);
buffer->meta()->setInt64("timeUs", 0);
msg->setBuffer("csd-1", buffer);
} else if (meta->findData(kKeyHVCC, &type, &data, &size)) {
const uint8_t *ptr = (const uint8_t *)data;
if (size < 23 || (ptr[0] != 1 && ptr[0] != 0)) {
// configurationVersion == 1 or 0
// 1 is what the standard dictates, but some old muxers may have used 0.
ALOGE("b/23680780");
return BAD_VALUE;
}
const size_t dataSize = size; // save for later
ptr += 22;
size -= 22;
size_t numofArrays = (char)ptr[0];
ptr += 1;
size -= 1;
size_t j = 0, i = 0;
sp<ABuffer> buffer = new (std::nothrow) ABuffer(1024);
if (buffer.get() == NULL || buffer->base() == NULL) {
return NO_MEMORY;
}
buffer->setRange(0, 0);
HevcParameterSets hvcc;
for (i = 0; i < numofArrays; i++) {
if (size < 3) {
ALOGE("b/23680780");
return BAD_VALUE;
}
ptr += 1;
size -= 1;
//Num of nals
size_t numofNals = U16_AT(ptr);
ptr += 2;
size -= 2;
for (j = 0; j < numofNals; j++) {
if (size < 2) {
ALOGE("b/23680780");
return BAD_VALUE;
}
size_t length = U16_AT(ptr);
ptr += 2;
size -= 2;
if (size < length) {
return BAD_VALUE;
}
status_t err = copyNALUToABuffer(&buffer, ptr, length);
if (err != OK) {
return err;
}
(void)hvcc.addNalUnit(ptr, length);
ptr += length;
size -= length;
}
}
buffer->meta()->setInt32("csd", true);
buffer->meta()->setInt64("timeUs", 0);
msg->setBuffer("csd-0", buffer);
// if we saw VUI color information we know whether this is HDR because VUI trumps other
// format parameters for HEVC.
HevcParameterSets::Info info = hvcc.getInfo();
if (info & hvcc.kInfoHasColorDescription) {
msg->setInt32("android._is-hdr", (info & hvcc.kInfoIsHdr) != 0);
}
uint32_t isoPrimaries, isoTransfer, isoMatrix, isoRange;
if (hvcc.findParam32(kColourPrimaries, &isoPrimaries)
&& hvcc.findParam32(kTransferCharacteristics, &isoTransfer)
&& hvcc.findParam32(kMatrixCoeffs, &isoMatrix)
&& hvcc.findParam32(kVideoFullRangeFlag, &isoRange)) {
ALOGV("found iso color aspects : primaris=%d, transfer=%d, matrix=%d, range=%d",
isoPrimaries, isoTransfer, isoMatrix, isoRange);
ColorAspects aspects;
ColorUtils::convertIsoColorAspectsToCodecAspects(
isoPrimaries, isoTransfer, isoMatrix, isoRange, aspects);
if (aspects.mPrimaries == ColorAspects::PrimariesUnspecified) {
int32_t primaries;
if (meta->findInt32(kKeyColorPrimaries, &primaries)) {
ALOGV("unspecified primaries found, replaced to %d", primaries);
aspects.mPrimaries = static_cast<ColorAspects::Primaries>(primaries);
}
}
if (aspects.mTransfer == ColorAspects::TransferUnspecified) {
int32_t transferFunction;
if (meta->findInt32(kKeyTransferFunction, &transferFunction)) {
ALOGV("unspecified transfer found, replaced to %d", transferFunction);
aspects.mTransfer = static_cast<ColorAspects::Transfer>(transferFunction);
}
}
if (aspects.mMatrixCoeffs == ColorAspects::MatrixUnspecified) {
int32_t colorMatrix;
if (meta->findInt32(kKeyColorMatrix, &colorMatrix)) {
ALOGV("unspecified matrix found, replaced to %d", colorMatrix);
aspects.mMatrixCoeffs = static_cast<ColorAspects::MatrixCoeffs>(colorMatrix);
}
}
if (aspects.mRange == ColorAspects::RangeUnspecified) {
int32_t range;
if (meta->findInt32(kKeyColorRange, &range)) {
ALOGV("unspecified range found, replaced to %d", range);
aspects.mRange = static_cast<ColorAspects::Range>(range);
}
}
int32_t standard, transfer, range;
if (ColorUtils::convertCodecColorAspectsToPlatformAspects(
aspects, &range, &standard, &transfer) == OK) {
msg->setInt32("color-standard", standard);
msg->setInt32("color-transfer", transfer);
msg->setInt32("color-range", range);
}
}
parseHevcProfileLevelFromHvcc((const uint8_t *)data, dataSize, msg);
} else if (meta->findData(kKeyAV1C, &type, &data, &size)) {
sp<ABuffer> buffer = new (std::nothrow) ABuffer(size);
if (buffer.get() == NULL || buffer->base() == NULL) {
return NO_MEMORY;
}
memcpy(buffer->data(), data, size);
buffer->meta()->setInt32("csd", true);
buffer->meta()->setInt64("timeUs", 0);
msg->setBuffer("csd-0", buffer);
parseAV1ProfileLevelFromCsd(buffer, msg);
} else if (meta->findData(kKeyESDS, &type, &data, &size)) {
ESDS esds((const char *)data, size);
if (esds.InitCheck() != (status_t)OK) {
return BAD_VALUE;
}
const void *codec_specific_data;
size_t codec_specific_data_size;
esds.getCodecSpecificInfo(
&codec_specific_data, &codec_specific_data_size);
sp<ABuffer> buffer = new (std::nothrow) ABuffer(codec_specific_data_size);
if (buffer.get() == NULL || buffer->base() == NULL) {
return NO_MEMORY;
}
memcpy(buffer->data(), codec_specific_data,
codec_specific_data_size);
buffer->meta()->setInt32("csd", true);
buffer->meta()->setInt64("timeUs", 0);
msg->setBuffer("csd-0", buffer);
if (!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_MPEG4)) {
parseMpeg4ProfileLevelFromCsd(buffer, msg);
} else if (!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_MPEG2)) {
parseMpeg2ProfileLevelFromEsds(esds, msg);
if (meta->findData(kKeyStreamHeader, &type, &data, &size)) {
parseMpeg2ProfileLevelFromHeader((uint8_t*)data, size, msg);
}
} else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC)) {
parseAacProfileFromCsd(buffer, msg);
}
uint32_t maxBitrate, avgBitrate;
if (esds.getBitRate(&maxBitrate, &avgBitrate) == OK) {
if (!meta->hasData(kKeyBitRate)
&& avgBitrate > 0 && avgBitrate <= INT32_MAX) {
msg->setInt32("bitrate", (int32_t)avgBitrate);
} else {
(void)msg->findInt32("bitrate", (int32_t*)&avgBitrate);
}
if (!meta->hasData(kKeyMaxBitRate)
&& maxBitrate > 0 && maxBitrate <= INT32_MAX && maxBitrate >= avgBitrate) {
msg->setInt32("max-bitrate", (int32_t)maxBitrate);
}
}
} else if (meta->findData(kKeyD263, &type, &data, &size)) {
const uint8_t *ptr = (const uint8_t *)data;
parseH263ProfileLevelFromD263(ptr, size, msg);
} else if (meta->findData(kKeyOpusHeader, &type, &data, &size)) {
sp<ABuffer> buffer = new (std::nothrow) ABuffer(size);
if (buffer.get() == NULL || buffer->base() == NULL) {
return NO_MEMORY;
}
memcpy(buffer->data(), data, size);
buffer->meta()->setInt32("csd", true);
buffer->meta()->setInt64("timeUs", 0);
msg->setBuffer("csd-0", buffer);
if (!meta->findData(kKeyOpusCodecDelay, &type, &data, &size)) {
return -EINVAL;
}
buffer = new (std::nothrow) ABuffer(size);
if (buffer.get() == NULL || buffer->base() == NULL) {
return NO_MEMORY;
}
memcpy(buffer->data(), data, size);
buffer->meta()->setInt32("csd", true);
buffer->meta()->setInt64("timeUs", 0);
msg->setBuffer("csd-1", buffer);
if (!meta->findData(kKeyOpusSeekPreRoll, &type, &data, &size)) {
return -EINVAL;
}
buffer = new (std::nothrow) ABuffer(size);
if (buffer.get() == NULL || buffer->base() == NULL) {
return NO_MEMORY;
}
memcpy(buffer->data(), data, size);
buffer->meta()->setInt32("csd", true);
buffer->meta()->setInt64("timeUs", 0);
msg->setBuffer("csd-2", buffer);
} else if (meta->findData(kKeyVp9CodecPrivate, &type, &data, &size)) {
sp<ABuffer> buffer = new (std::nothrow) ABuffer(size);
if (buffer.get() == NULL || buffer->base() == NULL) {
return NO_MEMORY;
}
memcpy(buffer->data(), data, size);
buffer->meta()->setInt32("csd", true);
buffer->meta()->setInt64("timeUs", 0);
msg->setBuffer("csd-0", buffer);
parseVp9ProfileLevelFromCsd(buffer, msg);
} else if (meta->findData(kKeyAlacMagicCookie, &type, &data, &size)) {
ALOGV("convertMetaDataToMessage found kKeyAlacMagicCookie of size %zu\n", size);
sp<ABuffer> buffer = new (std::nothrow) ABuffer(size);
if (buffer.get() == NULL || buffer->base() == NULL) {
return NO_MEMORY;
}
memcpy(buffer->data(), data, size);
buffer->meta()->setInt32("csd", true);
buffer->meta()->setInt64("timeUs", 0);
msg->setBuffer("csd-0", buffer);
}
if (meta->findData(kKeyDVCC, &type, &data, &size)
|| meta->findData(kKeyDVVC, &type, &data, &size)
|| meta->findData(kKeyDVWC, &type, &data, &size)) {
const uint8_t *ptr = (const uint8_t *)data;
ALOGV("DV: calling parseDolbyVisionProfileLevelFromDvcc with data size %zu", size);
parseDolbyVisionProfileLevelFromDvcc(ptr, size, msg);
sp<ABuffer> buffer = new (std::nothrow) ABuffer(size);
if (buffer.get() == nullptr || buffer->base() == nullptr) {
return NO_MEMORY;
}
memcpy(buffer->data(), data, size);
buffer->meta()->setInt32("csd", true);
buffer->meta()->setInt64("timeUs", 0);
msg->setBuffer("csd-2", buffer);
}
*format = msg;
return OK;
}
const uint8_t *findNextNalStartCode(const uint8_t *data, size_t length) {
uint8_t *res = NULL;
if (length > 4) {
// minus 1 as to not match NAL start code at end
res = (uint8_t *)memmem(data, length - 1, "\x00\x00\x00\x01", 4);
}
return res != NULL && res < data + length - 4 ? res : &data[length];
}
static size_t reassembleAVCC(const sp<ABuffer> &csd0, const sp<ABuffer> &csd1, char *avcc) {
avcc[0] = 1; // version
avcc[1] = 0x64; // profile (default to high)
avcc[2] = 0; // constraints (default to none)
avcc[3] = 0xd; // level (default to 1.3)
avcc[4] = 0xff; // reserved+size
size_t i = 0;
int numparams = 0;
int lastparamoffset = 0;
int avccidx = 6;
do {
i = findNextNalStartCode(csd0->data() + i, csd0->size() - i) - csd0->data();
ALOGV("block at %zu, last was %d", i, lastparamoffset);
if (lastparamoffset > 0) {
const uint8_t *lastparam = csd0->data() + lastparamoffset;
int size = i - lastparamoffset;
if (size > 3) {
if (numparams && memcmp(avcc + 1, lastparam + 1, 3)) {
ALOGW("Inconsisted profile/level found in SPS: %x,%x,%x vs %x,%x,%x",
avcc[1], avcc[2], avcc[3], lastparam[1], lastparam[2], lastparam[3]);
} else if (!numparams) {
// fill in profile, constraints and level
memcpy(avcc + 1, lastparam + 1, 3);
}
}
avcc[avccidx++] = size >> 8;
avcc[avccidx++] = size & 0xff;
memcpy(avcc+avccidx, lastparam, size);
avccidx += size;
numparams++;
}
i += 4;
lastparamoffset = i;
} while(i < csd0->size());
ALOGV("csd0 contains %d params", numparams);
avcc[5] = 0xe0 | numparams;
//and now csd-1
i = 0;
numparams = 0;
lastparamoffset = 0;
int numpicparamsoffset = avccidx;
avccidx++;
do {
i = findNextNalStartCode(csd1->data() + i, csd1->size() - i) - csd1->data();
ALOGV("block at %zu, last was %d", i, lastparamoffset);
if (lastparamoffset > 0) {
int size = i - lastparamoffset;
avcc[avccidx++] = size >> 8;
avcc[avccidx++] = size & 0xff;
memcpy(avcc+avccidx, csd1->data() + lastparamoffset, size);
avccidx += size;
numparams++;
}
i += 4;
lastparamoffset = i;
} while(i < csd1->size());
avcc[numpicparamsoffset] = numparams;
return avccidx;
}
static void reassembleESDS(const sp<ABuffer> &csd0, char *esds) {
int csd0size = csd0->size();
esds[0] = 3; // kTag_ESDescriptor;
int esdescriptorsize = 26 + csd0size;
CHECK(esdescriptorsize < 268435456); // 7 bits per byte, so max is 2^28-1
esds[1] = 0x80 | (esdescriptorsize >> 21);
esds[2] = 0x80 | ((esdescriptorsize >> 14) & 0x7f);
esds[3] = 0x80 | ((esdescriptorsize >> 7) & 0x7f);
esds[4] = (esdescriptorsize & 0x7f);
esds[5] = esds[6] = 0; // es id
esds[7] = 0; // flags
esds[8] = 4; // kTag_DecoderConfigDescriptor
int configdescriptorsize = 18 + csd0size;
esds[9] = 0x80 | (configdescriptorsize >> 21);
esds[10] = 0x80 | ((configdescriptorsize >> 14) & 0x7f);
esds[11] = 0x80 | ((configdescriptorsize >> 7) & 0x7f);
esds[12] = (configdescriptorsize & 0x7f);
esds[13] = 0x40; // objectTypeIndication
// bytes 14-25 are examples from a real file. they are unused/overwritten by muxers.
esds[14] = 0x15; // streamType(5), upStream(0),
esds[15] = 0x00; // 15-17: bufferSizeDB (6KB)
esds[16] = 0x18;
esds[17] = 0x00;
esds[18] = 0x00; // 18-21: maxBitrate (64kbps)
esds[19] = 0x00;
esds[20] = 0xfa;
esds[21] = 0x00;
esds[22] = 0x00; // 22-25: avgBitrate (64kbps)
esds[23] = 0x00;
esds[24] = 0xfa;
esds[25] = 0x00;
esds[26] = 5; // kTag_DecoderSpecificInfo;
esds[27] = 0x80 | (csd0size >> 21);
esds[28] = 0x80 | ((csd0size >> 14) & 0x7f);
esds[29] = 0x80 | ((csd0size >> 7) & 0x7f);
esds[30] = (csd0size & 0x7f);
memcpy((void*)&esds[31], csd0->data(), csd0size);
// data following this is ignored, so don't bother appending it
}
static size_t reassembleHVCC(const sp<ABuffer> &csd0, uint8_t *hvcc, size_t hvccSize, size_t nalSizeLength) {
HevcParameterSets paramSets;
uint8_t* data = csd0->data();
if (csd0->size() < 4) {
ALOGE("csd0 too small");
return 0;
}
if (memcmp(data, "\x00\x00\x00\x01", 4) != 0) {
ALOGE("csd0 doesn't start with a start code");
return 0;
}
size_t prevNalOffset = 4;
status_t err = OK;
for (size_t i = 1; i < csd0->size() - 4; ++i) {
if (memcmp(&data[i], "\x00\x00\x00\x01", 4) != 0) {
continue;
}
err = paramSets.addNalUnit(&data[prevNalOffset], i - prevNalOffset);
if (err != OK) {
return 0;
}
prevNalOffset = i + 4;
}
err = paramSets.addNalUnit(&data[prevNalOffset], csd0->size() - prevNalOffset);
if (err != OK) {
return 0;
}
size_t size = hvccSize;
err = paramSets.makeHvcc(hvcc, &size, nalSizeLength);
if (err != OK) {
return 0;
}
return size;
}
#if 0
static void convertMessageToMetaDataInt32(
const sp<AMessage> &msg, sp<MetaData> &meta, uint32_t key, const char *name) {
int32_t value;
if (msg->findInt32(name, &value)) {
meta->setInt32(key, value);
}
}
#endif
static void convertMessageToMetaDataColorAspects(const sp<AMessage> &msg, sp<MetaData> &meta) {
// 0 values are unspecified
int32_t range = 0, standard = 0, transfer = 0;
(void)msg->findInt32("color-range", &range);
(void)msg->findInt32("color-standard", &standard);
(void)msg->findInt32("color-transfer", &transfer);
ColorAspects colorAspects;
memset(&colorAspects, 0, sizeof(colorAspects));
if (CodecBase::convertPlatformColorAspectsToCodecAspects(
range, standard, transfer, colorAspects) != OK) {
return;
}
// save specified values to meta
if (colorAspects.mRange != 0) {
meta->setInt32(kKeyColorRange, colorAspects.mRange);
}
if (colorAspects.mPrimaries != 0) {
meta->setInt32(kKeyColorPrimaries, colorAspects.mPrimaries);
}
if (colorAspects.mTransfer != 0) {
meta->setInt32(kKeyTransferFunction, colorAspects.mTransfer);
}
if (colorAspects.mMatrixCoeffs != 0) {
meta->setInt32(kKeyColorMatrix, colorAspects.mMatrixCoeffs);
}
}
/* Converts key and value pairs in AMessage format to MetaData format.
* Also checks for the presence of required keys.
*/
status_t convertMessageToMetaData(const sp<AMessage> &msg, sp<MetaData> &meta) {
AString mime;
if (msg->findString("mime", &mime)) {
meta->setCString(kKeyMIMEType, mime.c_str());
} else {
ALOGV("did not find mime type");
return BAD_VALUE;
}
convertMessageToMetaDataFromMappings(msg, meta);
int32_t systemId;
if (msg->findInt32("ca-system-id", &systemId)) {
meta->setInt32(kKeyCASystemID, systemId);
sp<ABuffer> caSessionId, caPvtData;
if (msg->findBuffer("ca-session-id", &caSessionId)) {
meta->setData(kKeyCASessionID, 0, caSessionId->data(), caSessionId->size());
}
if (msg->findBuffer("ca-private-data", &caPvtData)) {
meta->setData(kKeyCAPrivateData, 0, caPvtData->data(), caPvtData->size());
}
}
int64_t durationUs;
if (msg->findInt64("durationUs", &durationUs)) {
meta->setInt64(kKeyDuration, durationUs);
}
int32_t isSync;
if (msg->findInt32("is-sync-frame", &isSync) && isSync != 0) {
meta->setInt32(kKeyIsSyncFrame, 1);
}
// Mode for media transcoding.
int32_t isBackgroundMode;
if (msg->findInt32("android._background-mode", &isBackgroundMode) && isBackgroundMode != 0) {
meta->setInt32(isBackgroundMode, 1);
}
int32_t avgBitrate = 0;
int32_t maxBitrate;
if (msg->findInt32("bitrate", &avgBitrate) && avgBitrate > 0) {
meta->setInt32(kKeyBitRate, avgBitrate);
}
if (msg->findInt32("max-bitrate", &maxBitrate) && maxBitrate > 0 && maxBitrate >= avgBitrate) {
meta->setInt32(kKeyMaxBitRate, maxBitrate);
}
int32_t dvbComponentTag = 0;
if (msg->findInt32("dvb-component-tag", &dvbComponentTag) && dvbComponentTag > 0) {
meta->setInt32(kKeyDvbComponentTag, dvbComponentTag);
}
int32_t dvbAudioDescription = 0;
if (msg->findInt32("dvb-audio-description", &dvbAudioDescription)) {
meta->setInt32(kKeyDvbAudioDescription, dvbAudioDescription);
}
int32_t dvbTeletextMagazineNumber = 0;
if (msg->findInt32("dvb-teletext-magazine-number", &dvbTeletextMagazineNumber)) {
meta->setInt32(kKeyDvbTeletextMagazineNumber, dvbTeletextMagazineNumber);
}
int32_t dvbTeletextPageNumber = 0;
if (msg->findInt32("dvb-teletext-page-number", &dvbTeletextPageNumber)) {
meta->setInt32(kKeyDvbTeletextPageNumber, dvbTeletextPageNumber);
}
AString lang;
if (msg->findString("language", &lang)) {
meta->setCString(kKeyMediaLanguage, lang.c_str());
}
if (mime.startsWith("video/") || mime.startsWith("image/")) {
int32_t width;
int32_t height;
if (!msg->findInt32("width", &width) || !msg->findInt32("height", &height)) {
ALOGV("did not find width and/or height");
return BAD_VALUE;
}
if (width <= 0 || height <= 0) {
ALOGE("Invalid value of width: %d and/or height: %d", width, height);
return BAD_VALUE;
}
meta->setInt32(kKeyWidth, width);
meta->setInt32(kKeyHeight, height);
int32_t sarWidth = -1, sarHeight = -1;
bool foundWidth, foundHeight;
foundWidth = msg->findInt32("sar-width", &sarWidth);
foundHeight = msg->findInt32("sar-height", &sarHeight);
if (foundWidth || foundHeight) {
if (sarWidth <= 0 || sarHeight <= 0) {
ALOGE("Invalid value of sarWidth: %d and/or sarHeight: %d", sarWidth, sarHeight);
return BAD_VALUE;
}
meta->setInt32(kKeySARWidth, sarWidth);
meta->setInt32(kKeySARHeight, sarHeight);
}
int32_t displayWidth = -1, displayHeight = -1;
foundWidth = msg->findInt32("display-width", &displayWidth);
foundHeight = msg->findInt32("display-height", &displayHeight);
if (foundWidth || foundHeight) {
if (displayWidth <= 0 || displayHeight <= 0) {
ALOGE("Invalid value of displayWidth: %d and/or displayHeight: %d",
displayWidth, displayHeight);
return BAD_VALUE;
}
meta->setInt32(kKeyDisplayWidth, displayWidth);
meta->setInt32(kKeyDisplayHeight, displayHeight);
}
if (mime.startsWith("image/")){
int32_t isPrimary;
if (msg->findInt32("is-default", &isPrimary) && isPrimary) {
meta->setInt32(kKeyTrackIsDefault, 1);
}
int32_t tileWidth = -1, tileHeight = -1;
foundWidth = msg->findInt32("tile-width", &tileWidth);
foundHeight = msg->findInt32("tile-height", &tileHeight);
if (foundWidth || foundHeight) {
if (tileWidth <= 0 || tileHeight <= 0) {
ALOGE("Invalid value of tileWidth: %d and/or tileHeight: %d",
tileWidth, tileHeight);
return BAD_VALUE;
}
meta->setInt32(kKeyTileWidth, tileWidth);
meta->setInt32(kKeyTileHeight, tileHeight);
}
int32_t gridRows = -1, gridCols = -1;
bool foundRows, foundCols;
foundRows = msg->findInt32("grid-rows", &gridRows);
foundCols = msg->findInt32("grid-cols", &gridCols);
if (foundRows || foundCols) {
if (gridRows <= 0 || gridCols <= 0) {
ALOGE("Invalid value of gridRows: %d and/or gridCols: %d",
gridRows, gridCols);
return BAD_VALUE;
}
meta->setInt32(kKeyGridRows, gridRows);
meta->setInt32(kKeyGridCols, gridCols);
}
}
int32_t colorFormat;
if (msg->findInt32("color-format", &colorFormat)) {
meta->setInt32(kKeyColorFormat, colorFormat);
}
int32_t cropLeft, cropTop, cropRight, cropBottom;
if (msg->findRect("crop",
&cropLeft,
&cropTop,
&cropRight,
&cropBottom)) {
if (cropLeft < 0 || cropLeft > cropRight || cropRight >= width) {
ALOGE("Invalid value of cropLeft: %d and/or cropRight: %d", cropLeft, cropRight);
return BAD_VALUE;
}
if (cropTop < 0 || cropTop > cropBottom || cropBottom >= height) {
ALOGE("Invalid value of cropTop: %d and/or cropBottom: %d", cropTop, cropBottom);
return BAD_VALUE;
}
meta->setRect(kKeyCropRect, cropLeft, cropTop, cropRight, cropBottom);
}
int32_t rotationDegrees;
if (msg->findInt32("rotation-degrees", &rotationDegrees)) {
meta->setInt32(kKeyRotation, rotationDegrees);
}
if (msg->contains("hdr-static-info")) {
HDRStaticInfo info;
if (ColorUtils::getHDRStaticInfoFromFormat(msg, &info)) {
meta->setData(kKeyHdrStaticInfo, 'hdrS', &info, sizeof(info));
}
}
sp<ABuffer> hdr10PlusInfo;
if (msg->findBuffer("hdr10-plus-info", &hdr10PlusInfo)) {
meta->setData(kKeyHdr10PlusInfo, 0,
hdr10PlusInfo->data(), hdr10PlusInfo->size());
}
convertMessageToMetaDataColorAspects(msg, meta);
AString tsSchema;
if (msg->findString("ts-schema", &tsSchema)) {
unsigned int numLayers = 0;
unsigned int numBLayers = 0;
char placeholder;
int tags = sscanf(tsSchema.c_str(), "android.generic.%u%c%u%c",
&numLayers, &placeholder, &numBLayers, &placeholder);
if ((tags == 1 || (tags == 3 && placeholder == '+'))
&& numLayers > 0 && numLayers < UINT32_MAX - numBLayers
&& numLayers + numBLayers <= INT32_MAX) {
meta->setInt32(kKeyTemporalLayerCount, numLayers + numBLayers);
}
}
} else if (mime.startsWith("audio/")) {
int32_t numChannels, sampleRate;
if (!msg->findInt32("channel-count", &numChannels) ||
!msg->findInt32("sample-rate", &sampleRate)) {
ALOGV("did not find channel-count and/or sample-rate");
return BAD_VALUE;
}
// channel count can be zero in some cases like mpeg h
if (sampleRate <= 0 || numChannels < 0) {
ALOGE("Invalid value of channel-count: %d and/or sample-rate: %d",
numChannels, sampleRate);
return BAD_VALUE;
}
meta->setInt32(kKeyChannelCount, numChannels);
meta->setInt32(kKeySampleRate, sampleRate);
int32_t bitsPerSample;
// TODO:(b/204430952) add appropriate bound check for bitsPerSample
if (msg->findInt32("bits-per-sample", &bitsPerSample)) {
meta->setInt32(kKeyBitsPerSample, bitsPerSample);
}
int32_t channelMask;
if (msg->findInt32("channel-mask", &channelMask)) {
meta->setInt32(kKeyChannelMask, channelMask);
}
int32_t delay = 0;
if (msg->findInt32("encoder-delay", &delay)) {
meta->setInt32(kKeyEncoderDelay, delay);
}
int32_t padding = 0;
if (msg->findInt32("encoder-padding", &padding)) {
meta->setInt32(kKeyEncoderPadding, padding);
}
int32_t isADTS;
if (msg->findInt32("is-adts", &isADTS)) {
meta->setInt32(kKeyIsADTS, isADTS);
}
int32_t mpeghProfileLevelIndication = -1;
if (msg->findInt32(AMEDIAFORMAT_KEY_MPEGH_PROFILE_LEVEL_INDICATION,
&mpeghProfileLevelIndication)) {
meta->setInt32(kKeyMpeghProfileLevelIndication, mpeghProfileLevelIndication);
}
int32_t mpeghReferenceChannelLayout = -1;
if (msg->findInt32(AMEDIAFORMAT_KEY_MPEGH_REFERENCE_CHANNEL_LAYOUT,
&mpeghReferenceChannelLayout)) {
meta->setInt32(kKeyMpeghReferenceChannelLayout, mpeghReferenceChannelLayout);
}
sp<ABuffer> mpeghCompatibleSets;
if (msg->findBuffer(AMEDIAFORMAT_KEY_MPEGH_COMPATIBLE_SETS,
&mpeghCompatibleSets)) {
meta->setData(kKeyMpeghCompatibleSets, kTypeHCOS,
mpeghCompatibleSets->data(), mpeghCompatibleSets->size());
}
int32_t aacProfile = -1;
if (msg->findInt32("aac-profile", &aacProfile)) {
meta->setInt32(kKeyAACAOT, aacProfile);
}
int32_t pcmEncoding;
if (msg->findInt32("pcm-encoding", &pcmEncoding)) {
meta->setInt32(kKeyPcmEncoding, pcmEncoding);
}
int32_t hapticChannelCount;
if (msg->findInt32("haptic-channel-count", &hapticChannelCount)) {
meta->setInt32(kKeyHapticChannelCount, hapticChannelCount);
}
}
int32_t maxInputSize;
if (msg->findInt32("max-input-size", &maxInputSize)) {
meta->setInt32(kKeyMaxInputSize, maxInputSize);
}
int32_t maxWidth;
if (msg->findInt32("max-width", &maxWidth)) {
meta->setInt32(kKeyMaxWidth, maxWidth);
}
int32_t maxHeight;
if (msg->findInt32("max-height", &maxHeight)) {
meta->setInt32(kKeyMaxHeight, maxHeight);
}
int32_t fps;
float fpsFloat;
if (msg->findInt32("frame-rate", &fps) && fps > 0) {
meta->setInt32(kKeyFrameRate, fps);
} else if (msg->findFloat("frame-rate", &fpsFloat)
&& fpsFloat >= 1 && fpsFloat <= (float)INT32_MAX) {
// truncate values to distinguish between e.g. 24 vs 23.976 fps
meta->setInt32(kKeyFrameRate, (int32_t)fpsFloat);
}
// reassemble the csd data into its original form
sp<ABuffer> csd0, csd1, csd2;
if (msg->findBuffer("csd-0", &csd0)) {
int csd0size = csd0->size();
if (mime == MEDIA_MIMETYPE_VIDEO_AVC) {
sp<ABuffer> csd1;
if (msg->findBuffer("csd-1", &csd1)) {
std::vector<char> avcc(csd0size + csd1->size() + 1024);
size_t outsize = reassembleAVCC(csd0, csd1, avcc.data());
meta->setData(kKeyAVCC, kTypeAVCC, avcc.data(), outsize);
}
} else if (mime == MEDIA_MIMETYPE_AUDIO_AAC ||
mime == MEDIA_MIMETYPE_VIDEO_MPEG4 ||
mime == MEDIA_MIMETYPE_AUDIO_WMA ||
mime == MEDIA_MIMETYPE_AUDIO_MS_ADPCM ||
mime == MEDIA_MIMETYPE_AUDIO_DVI_IMA_ADPCM) {
std::vector<char> esds(csd0size + 31);
// The written ESDS is actually for an audio stream, but it's enough
// for transporting the CSD to muxers.
reassembleESDS(csd0, esds.data());
meta->setData(kKeyESDS, kTypeESDS, esds.data(), esds.size());
} else if (mime == MEDIA_MIMETYPE_VIDEO_HEVC ||
mime == MEDIA_MIMETYPE_IMAGE_ANDROID_HEIC) {
std::vector<uint8_t> hvcc(csd0size + 1024);
size_t outsize = reassembleHVCC(csd0, hvcc.data(), hvcc.size(), 4);
meta->setData(kKeyHVCC, kTypeHVCC, hvcc.data(), outsize);
} else if (mime == MEDIA_MIMETYPE_VIDEO_AV1 ||
mime == MEDIA_MIMETYPE_IMAGE_AVIF) {
meta->setData(kKeyAV1C, 0, csd0->data(), csd0->size());
} else if (mime == MEDIA_MIMETYPE_VIDEO_DOLBY_VISION) {
int32_t profile = -1;
uint8_t blCompatibilityId = -1;
int32_t level = 0;
uint8_t profileVal = -1;
uint8_t profileVal1 = -1;
uint8_t profileVal2 = -1;
constexpr size_t dvccSize = 24;
const ALookup<uint8_t, int32_t> &profiles =
getDolbyVisionProfileTable();
const ALookup<uint8_t, int32_t> &levels =
getDolbyVisionLevelsTable();
if (!msg->findBuffer("csd-2", &csd2)) {
// MP4 extractors are expected to generate csd buffer
// some encoders might not be generating it, in which
// case we populate the track metadata dv (cc|vc|wc)
// from the 'profile' and 'level' info.
// This is done according to Dolby Vision ISOBMFF spec
if (!msg->findInt32("profile", &profile)) {
ALOGE("Dolby Vision profile not found");
return BAD_VALUE;
}
msg->findInt32("level", &level);
if (profile == DolbyVisionProfileDvheSt) {
if (!profiles.rlookup(DolbyVisionProfileDvheSt, &profileVal)) { // dvhe.08
ALOGE("Dolby Vision profile lookup error");
return BAD_VALUE;
}
blCompatibilityId = 4;
} else if (profile == DolbyVisionProfileDvavSe) {
if (!profiles.rlookup(DolbyVisionProfileDvavSe, &profileVal)) { // dvav.09
ALOGE("Dolby Vision profile lookup error");
return BAD_VALUE;
}
blCompatibilityId = 2;
} else {
ALOGE("Dolby Vision profile look up error");
return BAD_VALUE;
}
profile = (int32_t) profileVal;
uint8_t level_val = 0;
if (!levels.map(level, &level_val)) {
ALOGE("Dolby Vision level lookup error");
return BAD_VALUE;
}
std::vector<uint8_t> dvcc(dvccSize);
dvcc[0] = 1; // major version
dvcc[1] = 0; // minor version
dvcc[2] = (uint8_t)((profile & 0x7f) << 1); // dolby vision profile
dvcc[2] = (uint8_t)((dvcc[2] | (uint8_t)((level_val >> 5) & 0x1)) & 0xff);
dvcc[3] = (uint8_t)((level_val & 0x1f) << 3); // dolby vision level
dvcc[3] = (uint8_t)(dvcc[3] | (1 << 2)); // rpu_present_flag
dvcc[3] = (uint8_t)(dvcc[3] | (1)); // bl_present_flag
dvcc[4] = (uint8_t)(blCompatibilityId << 4); // bl_compatibility id
profiles.rlookup(DolbyVisionProfileDvav110, &profileVal);
profiles.rlookup(DolbyVisionProfileDvheDtb, &profileVal1);
if (profile > (int32_t) profileVal) {
meta->setData(kKeyDVWC, kTypeDVWC, dvcc.data(), dvccSize);
} else if (profile > (int32_t) profileVal1) {
meta->setData(kKeyDVVC, kTypeDVVC, dvcc.data(), dvccSize);
} else {
meta->setData(kKeyDVCC, kTypeDVCC, dvcc.data(), dvccSize);
}
} else {
// we have csd-2, just use that to populate dvcc
if (csd2->size() == dvccSize) {
uint8_t *dvcc = csd2->data();
profile = dvcc[2] >> 1;
profiles.rlookup(DolbyVisionProfileDvav110, &profileVal);
profiles.rlookup(DolbyVisionProfileDvheDtb, &profileVal1);
if (profile > (int32_t) profileVal) {
meta->setData(kKeyDVWC, kTypeDVWC, csd2->data(), csd2->size());
} else if (profile > (int32_t) profileVal1) {
meta->setData(kKeyDVVC, kTypeDVVC, csd2->data(), csd2->size());
} else {
meta->setData(kKeyDVCC, kTypeDVCC, csd2->data(), csd2->size());
}
} else {
ALOGE("Convert MessageToMetadata csd-2 is present but not valid");
return BAD_VALUE;
}
}
profiles.rlookup(DolbyVisionProfileDvavPen, &profileVal);
profiles.rlookup(DolbyVisionProfileDvavSe, &profileVal1);
profiles.rlookup(DolbyVisionProfileDvav110, &profileVal2);
if ((profile > (int32_t) profileVal) && (profile < (int32_t) profileVal1)) {
std::vector<uint8_t> hvcc(csd0size + 1024);
size_t outsize = reassembleHVCC(csd0, hvcc.data(), hvcc.size(), 4);
meta->setData(kKeyHVCC, kTypeHVCC, hvcc.data(), outsize);
} else if (profile == (int32_t) profileVal2) {
meta->setData(kKeyAV1C, 0, csd0->data(), csd0->size());
} else {
sp<ABuffer> csd1;
if (msg->findBuffer("csd-1", &csd1)) {
std::vector<char> avcc(csd0size + csd1->size() + 1024);
size_t outsize = reassembleAVCC(csd0, csd1, avcc.data());
meta->setData(kKeyAVCC, kTypeAVCC, avcc.data(), outsize);
}
else {
// for dolby vision avc, csd0 also holds csd1
size_t i = 0;
int csd0realsize = 0;
do {
i = findNextNalStartCode(csd0->data() + i,
csd0->size() - i) - csd0->data();
if (i > 0) {
csd0realsize = i;
break;
}
i += 4;
} while(i < csd0->size());
// buffer0 -> csd0
sp<ABuffer> buffer0 = new (std::nothrow) ABuffer(csd0realsize);
if (buffer0.get() == NULL || buffer0->base() == NULL) {
return NO_MEMORY;
}
memcpy(buffer0->data(), csd0->data(), csd0realsize);
// buffer1 -> csd1
sp<ABuffer> buffer1 = new (std::nothrow)
ABuffer(csd0->size() - csd0realsize);
if (buffer1.get() == NULL || buffer1->base() == NULL) {
return NO_MEMORY;
}
memcpy(buffer1->data(), csd0->data()+csd0realsize,
csd0->size() - csd0realsize);
std::vector<char> avcc(csd0->size() + 1024);
size_t outsize = reassembleAVCC(buffer0, buffer1, avcc.data());
meta->setData(kKeyAVCC, kTypeAVCC, avcc.data(), outsize);
}
}
} else if (mime == MEDIA_MIMETYPE_VIDEO_VP9) {
meta->setData(kKeyVp9CodecPrivate, 0, csd0->data(), csd0->size());
} else if (mime == MEDIA_MIMETYPE_AUDIO_OPUS) {
size_t opusHeadSize = csd0->size();
size_t codecDelayBufSize = 0;
size_t seekPreRollBufSize = 0;
void *opusHeadBuf = csd0->data();
void *codecDelayBuf = NULL;
void *seekPreRollBuf = NULL;
if (msg->findBuffer("csd-1", &csd1)) {
codecDelayBufSize = csd1->size();
codecDelayBuf = csd1->data();
}
if (msg->findBuffer("csd-2", &csd2)) {
seekPreRollBufSize = csd2->size();
seekPreRollBuf = csd2->data();
}
/* Extract codec delay and seek pre roll from csd-0,
* if csd-1 and csd-2 are not present */
if (!codecDelayBuf && !seekPreRollBuf) {
GetOpusHeaderBuffers(csd0->data(), csd0->size(), &opusHeadBuf,
&opusHeadSize, &codecDelayBuf,
&codecDelayBufSize, &seekPreRollBuf,
&seekPreRollBufSize);
}
meta->setData(kKeyOpusHeader, 0, opusHeadBuf, opusHeadSize);
if (codecDelayBuf) {
meta->setData(kKeyOpusCodecDelay, 0, codecDelayBuf, codecDelayBufSize);
}
if (seekPreRollBuf) {
meta->setData(kKeyOpusSeekPreRoll, 0, seekPreRollBuf, seekPreRollBufSize);
}
} else if (mime == MEDIA_MIMETYPE_AUDIO_ALAC) {
meta->setData(kKeyAlacMagicCookie, 0, csd0->data(), csd0->size());
}
} else if (mime == MEDIA_MIMETYPE_VIDEO_AVC && msg->findBuffer("csd-avc", &csd0)) {
meta->setData(kKeyAVCC, kTypeAVCC, csd0->data(), csd0->size());
} else if ((mime == MEDIA_MIMETYPE_VIDEO_HEVC || mime == MEDIA_MIMETYPE_IMAGE_ANDROID_HEIC)
&& msg->findBuffer("csd-hevc", &csd0)) {
meta->setData(kKeyHVCC, kTypeHVCC, csd0->data(), csd0->size());
} else if (msg->findBuffer("esds", &csd0)) {
meta->setData(kKeyESDS, kTypeESDS, csd0->data(), csd0->size());
} else if (msg->findBuffer("mpeg2-stream-header", &csd0)) {
meta->setData(kKeyStreamHeader, 'mdat', csd0->data(), csd0->size());
} else if (msg->findBuffer("d263", &csd0)) {
meta->setData(kKeyD263, kTypeD263, csd0->data(), csd0->size());
} else if (mime == MEDIA_MIMETYPE_VIDEO_DOLBY_VISION && msg->findBuffer("csd-2", &csd2)) {
meta->setData(kKeyDVCC, kTypeDVCC, csd2->data(), csd2->size());
// Remove CSD-2 from the data here to avoid duplicate data in meta
meta->remove(kKeyOpaqueCSD2);
if (msg->findBuffer("csd-avc", &csd0)) {
meta->setData(kKeyAVCC, kTypeAVCC, csd0->data(), csd0->size());
} else if (msg->findBuffer("csd-hevc", &csd0)) {
meta->setData(kKeyHVCC, kTypeHVCC, csd0->data(), csd0->size());
}
}
// XXX TODO add whatever other keys there are
#if 0
ALOGI("converted %s to:", msg->debugString(0).c_str());
meta->dumpToLog();
#endif
return OK;
}
status_t sendMetaDataToHal(sp<MediaPlayerBase::AudioSink>& sink,
const sp<MetaData>& meta)
{
int32_t sampleRate = 0;
int32_t bitRate = 0;
int32_t channelMask = 0;
int32_t delaySamples = 0;
int32_t paddingSamples = 0;
AudioParameter param = AudioParameter();
if (meta->findInt32(kKeySampleRate, &sampleRate)) {
param.addInt(String8(AUDIO_OFFLOAD_CODEC_SAMPLE_RATE), sampleRate);
}
if (meta->findInt32(kKeyChannelMask, &channelMask)) {
param.addInt(String8(AUDIO_OFFLOAD_CODEC_NUM_CHANNEL), channelMask);
}
if (meta->findInt32(kKeyBitRate, &bitRate)) {
param.addInt(String8(AUDIO_OFFLOAD_CODEC_AVG_BIT_RATE), bitRate);
}
if (meta->findInt32(kKeyEncoderDelay, &delaySamples)) {
param.addInt(String8(AUDIO_OFFLOAD_CODEC_DELAY_SAMPLES), delaySamples);
}
if (meta->findInt32(kKeyEncoderPadding, &paddingSamples)) {
param.addInt(String8(AUDIO_OFFLOAD_CODEC_PADDING_SAMPLES), paddingSamples);
}
ALOGV("sendMetaDataToHal: bitRate %d, sampleRate %d, chanMask %d,"
"delaySample %d, paddingSample %d", bitRate, sampleRate,
channelMask, delaySamples, paddingSamples);
sink->setParameters(param.toString());
return OK;
}
struct mime_conv_t {
const char* mime;
audio_format_t format;
};
static const struct mime_conv_t mimeLookup[] = {
{ MEDIA_MIMETYPE_AUDIO_MPEG, AUDIO_FORMAT_MP3 },
{ MEDIA_MIMETYPE_AUDIO_RAW, AUDIO_FORMAT_PCM_16_BIT },
{ MEDIA_MIMETYPE_AUDIO_AMR_NB, AUDIO_FORMAT_AMR_NB },
{ MEDIA_MIMETYPE_AUDIO_AMR_WB, AUDIO_FORMAT_AMR_WB },
{ MEDIA_MIMETYPE_AUDIO_AAC, AUDIO_FORMAT_AAC },
{ MEDIA_MIMETYPE_AUDIO_VORBIS, AUDIO_FORMAT_VORBIS },
{ MEDIA_MIMETYPE_AUDIO_OPUS, AUDIO_FORMAT_OPUS},
{ MEDIA_MIMETYPE_AUDIO_AC3, AUDIO_FORMAT_AC3},
{ MEDIA_MIMETYPE_AUDIO_EAC3, AUDIO_FORMAT_E_AC3},
{ MEDIA_MIMETYPE_AUDIO_EAC3_JOC, AUDIO_FORMAT_E_AC3_JOC},
{ MEDIA_MIMETYPE_AUDIO_AC4, AUDIO_FORMAT_AC4},
{ MEDIA_MIMETYPE_AUDIO_FLAC, AUDIO_FORMAT_FLAC},
{ MEDIA_MIMETYPE_AUDIO_ALAC, AUDIO_FORMAT_ALAC },
{ 0, AUDIO_FORMAT_INVALID }
};
status_t mapMimeToAudioFormat( audio_format_t& format, const char* mime )
{
const struct mime_conv_t* p = &mimeLookup[0];
while (p->mime != NULL) {
if (0 == strcasecmp(mime, p->mime)) {
format = p->format;
return OK;
}
++p;
}
return BAD_VALUE;
}
struct aac_format_conv_t {
int32_t eAacProfileType;
audio_format_t format;
};
static const struct aac_format_conv_t profileLookup[] = {
{ AACObjectMain, AUDIO_FORMAT_AAC_MAIN},
{ AACObjectLC, AUDIO_FORMAT_AAC_LC},
{ AACObjectSSR, AUDIO_FORMAT_AAC_SSR},
{ AACObjectLTP, AUDIO_FORMAT_AAC_LTP},
{ AACObjectHE, AUDIO_FORMAT_AAC_HE_V1},
{ AACObjectScalable, AUDIO_FORMAT_AAC_SCALABLE},
{ AACObjectERLC, AUDIO_FORMAT_AAC_ERLC},
{ AACObjectLD, AUDIO_FORMAT_AAC_LD},
{ AACObjectHE_PS, AUDIO_FORMAT_AAC_HE_V2},
{ AACObjectELD, AUDIO_FORMAT_AAC_ELD},
{ AACObjectXHE, AUDIO_FORMAT_AAC_XHE},
{ AACObjectNull, AUDIO_FORMAT_AAC},
};
void mapAACProfileToAudioFormat( audio_format_t& format, uint64_t eAacProfile)
{
const struct aac_format_conv_t* p = &profileLookup[0];
while (p->eAacProfileType != AACObjectNull) {
if (eAacProfile == p->eAacProfileType) {
format = p->format;
return;
}
++p;
}
format = AUDIO_FORMAT_AAC;
return;
}
status_t getAudioOffloadInfo(const sp<MetaData>& meta, bool hasVideo,
bool isStreaming, audio_stream_type_t streamType, audio_offload_info_t *info)
{
const char *mime;
if (meta == NULL) {
return BAD_VALUE;
}
CHECK(meta->findCString(kKeyMIMEType, &mime));
(*info) = AUDIO_INFO_INITIALIZER;
info->format = AUDIO_FORMAT_INVALID;
if (mapMimeToAudioFormat(info->format, mime) != OK) {
ALOGE(" Couldn't map mime type \"%s\" to a valid AudioSystem::audio_format !", mime);
return BAD_VALUE;
} else {
ALOGV("Mime type \"%s\" mapped to audio_format %d", mime, info->format);
}
if (AUDIO_FORMAT_INVALID == info->format) {
// can't offload if we don't know what the source format is
ALOGE("mime type \"%s\" not a known audio format", mime);
return BAD_VALUE;
}
// Redefine aac format according to its profile
// Offloading depends on audio DSP capabilities.
int32_t aacaot = -1;
if (meta->findInt32(kKeyAACAOT, &aacaot)) {
mapAACProfileToAudioFormat(info->format, aacaot);
}
int32_t srate = -1;
if (!meta->findInt32(kKeySampleRate, &srate)) {
ALOGV("track of type '%s' does not publish sample rate", mime);
}
info->sample_rate = srate;
int32_t rawChannelMask;
audio_channel_mask_t cmask = meta->findInt32(kKeyChannelMask, &rawChannelMask) ?
static_cast<audio_channel_mask_t>(rawChannelMask) : CHANNEL_MASK_USE_CHANNEL_ORDER;
if (cmask == CHANNEL_MASK_USE_CHANNEL_ORDER) {
ALOGV("track of type '%s' does not publish channel mask", mime);
// Try a channel count instead
int32_t channelCount;
if (!meta->findInt32(kKeyChannelCount, &channelCount)) {
ALOGV("track of type '%s' does not publish channel count", mime);
} else {
cmask = audio_channel_out_mask_from_count(channelCount);
}
}
info->channel_mask = cmask;
int64_t duration = 0;
if (!meta->findInt64(kKeyDuration, &duration)) {
ALOGV("track of type '%s' does not publish duration", mime);
}
info->duration_us = duration;
int32_t brate = 0;
if (!meta->findInt32(kKeyBitRate, &brate)) {
ALOGV("track of type '%s' does not publish bitrate", mime);
}
info->bit_rate = brate;
info->stream_type = streamType;
info->has_video = hasVideo;
info->is_streaming = isStreaming;
return OK;
}
bool canOffloadStream(const sp<MetaData>& meta, bool hasVideo,
bool isStreaming, audio_stream_type_t streamType)
{
audio_offload_info_t info = AUDIO_INFO_INITIALIZER;
const char *mime;
if (meta != nullptr && meta->findCString(kKeyMIMEType, &mime)
&& strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_OPUS) == 0) {
return false;
}
if (OK != getAudioOffloadInfo(meta, hasVideo, isStreaming, streamType, &info)) {
return false;
}
// Check if offload is possible for given format, stream type, sample rate,
// bit rate, duration, video and streaming
#ifdef DISABLE_AUDIO_SYSTEM_OFFLOAD
return false;
#else
return AudioSystem::getOffloadSupport(info) != AUDIO_OFFLOAD_NOT_SUPPORTED;
#endif
}
HLSTime::HLSTime(const sp<AMessage>& meta) :
mSeq(-1),
mTimeUs(-1LL),
mMeta(meta) {