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android / platform / frameworks / av / dd6cda6487fb698f1a1b8bf546d9a95ba62cb8a7 / . / media / libstagefright / Utils.cpp
blob: 3ef8f2ac16965cc6f526d58e2b75f006b8238fe9 [file] [log] [blame]
/*
* 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 "include/ESDS.h"
#include "include/HevcUtils.h"
#include <arpa/inet.h>
#include <cutils/properties.h>
#include <media/openmax/OMX_Audio.h>
#include <media/openmax/OMX_Video.h>
#include <media/openmax/OMX_VideoExt.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/MetaData.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>
namespace android {
uint16_t U16_AT(const uint8_t *ptr) {
return ptr[0] << 8 | ptr[1];
}
uint32_t U32_AT(const uint8_t *ptr) {
return ptr[0] << 24 | ptr[1] << 16 | ptr[2] << 8 | ptr[3];
}
uint64_t U64_AT(const uint8_t *ptr) {
return ((uint64_t)U32_AT(ptr)) << 32 | U32_AT(ptr + 4);
}
uint16_t U16LE_AT(const uint8_t *ptr) {
return ptr[0] | (ptr[1] << 8);
}
uint32_t U32LE_AT(const uint8_t *ptr) {
return ptr[3] << 24 | ptr[2] << 16 | ptr[1] << 8 | ptr[0];
}
uint64_t U64LE_AT(const uint8_t *ptr) {
return ((uint64_t)U32LE_AT(ptr + 4)) << 32 | U32LE_AT(ptr);
}
// XXX warning: these won't work on big-endian host.
uint64_t ntoh64(uint64_t x) {
return ((uint64_t)ntohl(x & 0xffffffff) << 32) | ntohl(x >> 32);
}
uint64_t hton64(uint64_t x) {
return ((uint64_t)htonl(x & 0xffffffff) << 32) | htonl(x >> 32);
}
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 sp<MetaData> &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);
}
}
static bool isHdr(const sp<AMessage> &format) {
// if CSD specifies HDR transfer(s), we assume HDR. Otherwise, if it specifies non-HDR
// transfers, we must assume non-HDR. This is because CSD trumps any color-transfer key
// in the format.
int32_t isHdr;
if (format->findInt32("android._is-hdr", &isHdr)) {
return isHdr;
}
// if user/container supplied HDR static info without transfer set, assume true
if (format->contains("hdr-static-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
|| transfer == ColorUtils::kColorTransferHLG;
}
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, OMX_AUDIO_AACPROFILETYPE> profiles {
{ 1, OMX_AUDIO_AACObjectMain },
{ 2, OMX_AUDIO_AACObjectLC },
{ 3, OMX_AUDIO_AACObjectSSR },
{ 4, OMX_AUDIO_AACObjectLTP },
{ 5, OMX_AUDIO_AACObjectHE },
{ 6, OMX_AUDIO_AACObjectScalable },
{ 17, OMX_AUDIO_AACObjectERLC },
{ 23, OMX_AUDIO_AACObjectLD },
{ 29, OMX_AUDIO_AACObjectHE_PS },
{ 39, OMX_AUDIO_AACObjectELD },
};
OMX_AUDIO_AACPROFILETYPE 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, OMX_VIDEO_AVCLEVELTYPE> levels {
{ 9, OMX_VIDEO_AVCLevel1b }, // technically, 9 is only used for High+ profiles
{ 10, OMX_VIDEO_AVCLevel1 },
{ 11, OMX_VIDEO_AVCLevel11 }, // prefer level 1.1 for the value 11
{ 11, OMX_VIDEO_AVCLevel1b },
{ 12, OMX_VIDEO_AVCLevel12 },
{ 13, OMX_VIDEO_AVCLevel13 },
{ 20, OMX_VIDEO_AVCLevel2 },
{ 21, OMX_VIDEO_AVCLevel21 },
{ 22, OMX_VIDEO_AVCLevel22 },
{ 30, OMX_VIDEO_AVCLevel3 },
{ 31, OMX_VIDEO_AVCLevel31 },
{ 32, OMX_VIDEO_AVCLevel32 },
{ 40, OMX_VIDEO_AVCLevel4 },
{ 41, OMX_VIDEO_AVCLevel41 },
{ 42, OMX_VIDEO_AVCLevel42 },
{ 50, OMX_VIDEO_AVCLevel5 },
{ 51, OMX_VIDEO_AVCLevel51 },
{ 52, OMX_VIDEO_AVCLevel52 },
};
const static ALookup<uint8_t, OMX_VIDEO_AVCPROFILETYPE> profiles {
{ 66, OMX_VIDEO_AVCProfileBaseline },
{ 77, OMX_VIDEO_AVCProfileMain },
{ 88, OMX_VIDEO_AVCProfileExtended },
{ 100, OMX_VIDEO_AVCProfileHigh },
{ 110, OMX_VIDEO_AVCProfileHigh10 },
{ 122, OMX_VIDEO_AVCProfileHigh422 },
{ 244, OMX_VIDEO_AVCProfileHigh444 },
};
// set profile & level if they are recognized
OMX_VIDEO_AVCPROFILETYPE codecProfile;
OMX_VIDEO_AVCLEVELTYPE codecLevel;
if (profiles.map(profile, &codecProfile)) {
if (profile == 66 && (constraints & 0x40)) {
codecProfile = (OMX_VIDEO_AVCPROFILETYPE)OMX_VIDEO_AVCProfileConstrainedBaseline;
} else if (profile == 100 && (constraints & 0x0C) == 0x0C) {
codecProfile = (OMX_VIDEO_AVCPROFILETYPE)OMX_VIDEO_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) ? OMX_VIDEO_AVCLevel1b : OMX_VIDEO_AVCLevel11;
}
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, OMX_VIDEO_H263PROFILETYPE> profiles {
{ 0, OMX_VIDEO_H263ProfileBaseline },
{ 1, OMX_VIDEO_H263ProfileH320Coding },
{ 2, OMX_VIDEO_H263ProfileBackwardCompatible },
{ 3, OMX_VIDEO_H263ProfileISWV2 },
{ 4, OMX_VIDEO_H263ProfileISWV3 },
{ 5, OMX_VIDEO_H263ProfileHighCompression },
{ 6, OMX_VIDEO_H263ProfileInternet },
{ 7, OMX_VIDEO_H263ProfileInterlace },
{ 8, OMX_VIDEO_H263ProfileHighLatency },
};
const static ALookup<uint8_t, OMX_VIDEO_H263LEVELTYPE> levels {
{ 10, OMX_VIDEO_H263Level10 },
{ 20, OMX_VIDEO_H263Level20 },
{ 30, OMX_VIDEO_H263Level30 },
{ 40, OMX_VIDEO_H263Level40 },
{ 45, OMX_VIDEO_H263Level45 },
{ 50, OMX_VIDEO_H263Level50 },
{ 60, OMX_VIDEO_H263Level60 },
{ 70, OMX_VIDEO_H263Level70 },
};
// set profile & level if they are recognized
OMX_VIDEO_H263PROFILETYPE codecProfile;
OMX_VIDEO_H263LEVELTYPE 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>, OMX_VIDEO_HEVCLEVELTYPE> levels {
{ { 0, 30 }, OMX_VIDEO_HEVCMainTierLevel1 },
{ { 0, 60 }, OMX_VIDEO_HEVCMainTierLevel2 },
{ { 0, 63 }, OMX_VIDEO_HEVCMainTierLevel21 },
{ { 0, 90 }, OMX_VIDEO_HEVCMainTierLevel3 },
{ { 0, 93 }, OMX_VIDEO_HEVCMainTierLevel31 },
{ { 0, 120 }, OMX_VIDEO_HEVCMainTierLevel4 },
{ { 0, 123 }, OMX_VIDEO_HEVCMainTierLevel41 },
{ { 0, 150 }, OMX_VIDEO_HEVCMainTierLevel5 },
{ { 0, 153 }, OMX_VIDEO_HEVCMainTierLevel51 },
{ { 0, 156 }, OMX_VIDEO_HEVCMainTierLevel52 },
{ { 0, 180 }, OMX_VIDEO_HEVCMainTierLevel6 },
{ { 0, 183 }, OMX_VIDEO_HEVCMainTierLevel61 },
{ { 0, 186 }, OMX_VIDEO_HEVCMainTierLevel62 },
{ { 1, 30 }, OMX_VIDEO_HEVCHighTierLevel1 },
{ { 1, 60 }, OMX_VIDEO_HEVCHighTierLevel2 },
{ { 1, 63 }, OMX_VIDEO_HEVCHighTierLevel21 },
{ { 1, 90 }, OMX_VIDEO_HEVCHighTierLevel3 },
{ { 1, 93 }, OMX_VIDEO_HEVCHighTierLevel31 },
{ { 1, 120 }, OMX_VIDEO_HEVCHighTierLevel4 },
{ { 1, 123 }, OMX_VIDEO_HEVCHighTierLevel41 },
{ { 1, 150 }, OMX_VIDEO_HEVCHighTierLevel5 },
{ { 1, 153 }, OMX_VIDEO_HEVCHighTierLevel51 },
{ { 1, 156 }, OMX_VIDEO_HEVCHighTierLevel52 },
{ { 1, 180 }, OMX_VIDEO_HEVCHighTierLevel6 },
{ { 1, 183 }, OMX_VIDEO_HEVCHighTierLevel61 },
{ { 1, 186 }, OMX_VIDEO_HEVCHighTierLevel62 },
};
const static ALookup<uint8_t, OMX_VIDEO_HEVCPROFILETYPE> profiles {
{ 1, OMX_VIDEO_HEVCProfileMain },
{ 2, OMX_VIDEO_HEVCProfileMain10 },
};
// set profile & level if they are recognized
OMX_VIDEO_HEVCPROFILETYPE codecProfile;
OMX_VIDEO_HEVCLEVELTYPE codecLevel;
if (!profiles.map(profile, &codecProfile)) {
if (ptr[2] & 0x40 /* general compatibility flag 1 */) {
codecProfile = OMX_VIDEO_HEVCProfileMain;
} else if (ptr[2] & 0x20 /* general compatibility flag 2 */) {
codecProfile = OMX_VIDEO_HEVCProfileMain10;
} else {
return;
}
}
// bump to HDR profile
if (isHdr(format) && codecProfile == OMX_VIDEO_HEVCProfileMain10) {
codecProfile = OMX_VIDEO_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, OMX_VIDEO_MPEG2PROFILETYPE> profiles {
{ 0x50, OMX_VIDEO_MPEG2ProfileSimple },
{ 0x40, OMX_VIDEO_MPEG2ProfileMain },
{ 0x30, OMX_VIDEO_MPEG2ProfileSNR },
{ 0x20, OMX_VIDEO_MPEG2ProfileSpatial },
{ 0x10, OMX_VIDEO_MPEG2ProfileHigh },
};
const static ALookup<uint8_t, OMX_VIDEO_MPEG2LEVELTYPE> levels {
{ 0x0A, OMX_VIDEO_MPEG2LevelLL },
{ 0x08, OMX_VIDEO_MPEG2LevelML },
{ 0x06, OMX_VIDEO_MPEG2LevelH14 },
{ 0x04, OMX_VIDEO_MPEG2LevelHL },
{ 0x02, OMX_VIDEO_MPEG2LevelHP },
};
const static ALookup<uint8_t,
std::pair<OMX_VIDEO_MPEG2PROFILETYPE, OMX_VIDEO_MPEG2LEVELTYPE>> escapes {
/* unsupported
{ 0x8E, { XXX_MPEG2ProfileMultiView, OMX_VIDEO_MPEG2LevelLL } },
{ 0x8D, { XXX_MPEG2ProfileMultiView, OMX_VIDEO_MPEG2LevelML } },
{ 0x8B, { XXX_MPEG2ProfileMultiView, OMX_VIDEO_MPEG2LevelH14 } },
{ 0x8A, { XXX_MPEG2ProfileMultiView, OMX_VIDEO_MPEG2LevelHL } }, */
{ 0x85, { OMX_VIDEO_MPEG2Profile422, OMX_VIDEO_MPEG2LevelML } },
{ 0x82, { OMX_VIDEO_MPEG2Profile422, OMX_VIDEO_MPEG2LevelHL } },
};
OMX_VIDEO_MPEG2PROFILETYPE profile;
OMX_VIDEO_MPEG2LEVELTYPE level;
std::pair<OMX_VIDEO_MPEG2PROFILETYPE, OMX_VIDEO_MPEG2LEVELTYPE> 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, OMX_VIDEO_MPEG2PROFILETYPE> profiles{
{ 0x60, OMX_VIDEO_MPEG2ProfileSimple },
{ 0x61, OMX_VIDEO_MPEG2ProfileMain },
{ 0x62, OMX_VIDEO_MPEG2ProfileSNR },
{ 0x63, OMX_VIDEO_MPEG2ProfileSpatial },
{ 0x64, OMX_VIDEO_MPEG2ProfileHigh },
{ 0x65, OMX_VIDEO_MPEG2Profile422 },
};
OMX_VIDEO_MPEG2PROFILETYPE 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<OMX_VIDEO_MPEG4PROFILETYPE, OMX_VIDEO_MPEG4LEVELTYPE>> table {
{ 0b00000001, { OMX_VIDEO_MPEG4ProfileSimple, OMX_VIDEO_MPEG4Level1 } },
{ 0b00000010, { OMX_VIDEO_MPEG4ProfileSimple, OMX_VIDEO_MPEG4Level2 } },
{ 0b00000011, { OMX_VIDEO_MPEG4ProfileSimple, OMX_VIDEO_MPEG4Level3 } },
{ 0b00000100, { OMX_VIDEO_MPEG4ProfileSimple, OMX_VIDEO_MPEG4Level4a } },
{ 0b00000101, { OMX_VIDEO_MPEG4ProfileSimple, OMX_VIDEO_MPEG4Level5 } },
{ 0b00000110, { OMX_VIDEO_MPEG4ProfileSimple, OMX_VIDEO_MPEG4Level6 } },
{ 0b00001000, { OMX_VIDEO_MPEG4ProfileSimple, OMX_VIDEO_MPEG4Level0 } },
{ 0b00001001, { OMX_VIDEO_MPEG4ProfileSimple, OMX_VIDEO_MPEG4Level0b } },
{ 0b00010000, { OMX_VIDEO_MPEG4ProfileSimpleScalable, OMX_VIDEO_MPEG4Level0 } },
{ 0b00010001, { OMX_VIDEO_MPEG4ProfileSimpleScalable, OMX_VIDEO_MPEG4Level1 } },
{ 0b00010010, { OMX_VIDEO_MPEG4ProfileSimpleScalable, OMX_VIDEO_MPEG4Level2 } },
/* unsupported
{ 0b00011101, { XXX_MPEG4ProfileSimpleScalableER, OMX_VIDEO_MPEG4Level0 } },
{ 0b00011110, { XXX_MPEG4ProfileSimpleScalableER, OMX_VIDEO_MPEG4Level1 } },
{ 0b00011111, { XXX_MPEG4ProfileSimpleScalableER, OMX_VIDEO_MPEG4Level2 } }, */
{ 0b00100001, { OMX_VIDEO_MPEG4ProfileCore, OMX_VIDEO_MPEG4Level1 } },
{ 0b00100010, { OMX_VIDEO_MPEG4ProfileCore, OMX_VIDEO_MPEG4Level2 } },
{ 0b00110010, { OMX_VIDEO_MPEG4ProfileMain, OMX_VIDEO_MPEG4Level2 } },
{ 0b00110011, { OMX_VIDEO_MPEG4ProfileMain, OMX_VIDEO_MPEG4Level3 } },
{ 0b00110100, { OMX_VIDEO_MPEG4ProfileMain, OMX_VIDEO_MPEG4Level4 } },
/* deprecated
{ 0b01000010, { OMX_VIDEO_MPEG4ProfileNbit, OMX_VIDEO_MPEG4Level2 } }, */
{ 0b01010001, { OMX_VIDEO_MPEG4ProfileScalableTexture, OMX_VIDEO_MPEG4Level1 } },
{ 0b01100001, { OMX_VIDEO_MPEG4ProfileSimpleFace, OMX_VIDEO_MPEG4Level1 } },
{ 0b01100010, { OMX_VIDEO_MPEG4ProfileSimpleFace, OMX_VIDEO_MPEG4Level2 } },
{ 0b01100011, { OMX_VIDEO_MPEG4ProfileSimpleFBA, OMX_VIDEO_MPEG4Level1 } },
{ 0b01100100, { OMX_VIDEO_MPEG4ProfileSimpleFBA, OMX_VIDEO_MPEG4Level2 } },
{ 0b01110001, { OMX_VIDEO_MPEG4ProfileBasicAnimated, OMX_VIDEO_MPEG4Level1 } },
{ 0b01110010, { OMX_VIDEO_MPEG4ProfileBasicAnimated, OMX_VIDEO_MPEG4Level2 } },
{ 0b10000001, { OMX_VIDEO_MPEG4ProfileHybrid, OMX_VIDEO_MPEG4Level1 } },
{ 0b10000010, { OMX_VIDEO_MPEG4ProfileHybrid, OMX_VIDEO_MPEG4Level2 } },
{ 0b10010001, { OMX_VIDEO_MPEG4ProfileAdvancedRealTime, OMX_VIDEO_MPEG4Level1 } },
{ 0b10010010, { OMX_VIDEO_MPEG4ProfileAdvancedRealTime, OMX_VIDEO_MPEG4Level2 } },
{ 0b10010011, { OMX_VIDEO_MPEG4ProfileAdvancedRealTime, OMX_VIDEO_MPEG4Level3 } },
{ 0b10010100, { OMX_VIDEO_MPEG4ProfileAdvancedRealTime, OMX_VIDEO_MPEG4Level4 } },
{ 0b10100001, { OMX_VIDEO_MPEG4ProfileCoreScalable, OMX_VIDEO_MPEG4Level1 } },
{ 0b10100010, { OMX_VIDEO_MPEG4ProfileCoreScalable, OMX_VIDEO_MPEG4Level2 } },
{ 0b10100011, { OMX_VIDEO_MPEG4ProfileCoreScalable, OMX_VIDEO_MPEG4Level3 } },
{ 0b10110001, { OMX_VIDEO_MPEG4ProfileAdvancedCoding, OMX_VIDEO_MPEG4Level1 } },
{ 0b10110010, { OMX_VIDEO_MPEG4ProfileAdvancedCoding, OMX_VIDEO_MPEG4Level2 } },
{ 0b10110011, { OMX_VIDEO_MPEG4ProfileAdvancedCoding, OMX_VIDEO_MPEG4Level3 } },
{ 0b10110100, { OMX_VIDEO_MPEG4ProfileAdvancedCoding, OMX_VIDEO_MPEG4Level4 } },
{ 0b11000001, { OMX_VIDEO_MPEG4ProfileAdvancedCore, OMX_VIDEO_MPEG4Level1 } },
{ 0b11000010, { OMX_VIDEO_MPEG4ProfileAdvancedCore, OMX_VIDEO_MPEG4Level2 } },
{ 0b11010001, { OMX_VIDEO_MPEG4ProfileAdvancedScalable, OMX_VIDEO_MPEG4Level1 } },
{ 0b11010010, { OMX_VIDEO_MPEG4ProfileAdvancedScalable, OMX_VIDEO_MPEG4Level2 } },
{ 0b11010011, { OMX_VIDEO_MPEG4ProfileAdvancedScalable, OMX_VIDEO_MPEG4Level3 } },
/* unsupported
{ 0b11100001, { XXX_MPEG4ProfileSimpleStudio, OMX_VIDEO_MPEG4Level1 } },
{ 0b11100010, { XXX_MPEG4ProfileSimpleStudio, OMX_VIDEO_MPEG4Level2 } },
{ 0b11100011, { XXX_MPEG4ProfileSimpleStudio, OMX_VIDEO_MPEG4Level3 } },
{ 0b11100100, { XXX_MPEG4ProfileSimpleStudio, OMX_VIDEO_MPEG4Level4 } },
{ 0b11100101, { XXX_MPEG4ProfileCoreStudio, OMX_VIDEO_MPEG4Level1 } },
{ 0b11100110, { XXX_MPEG4ProfileCoreStudio, OMX_VIDEO_MPEG4Level2 } },
{ 0b11100111, { XXX_MPEG4ProfileCoreStudio, OMX_VIDEO_MPEG4Level3 } },
{ 0b11101000, { XXX_MPEG4ProfileCoreStudio, OMX_VIDEO_MPEG4Level4 } },
{ 0b11101011, { XXX_MPEG4ProfileSimpleStudio, OMX_VIDEO_MPEG4Level5 } },
{ 0b11101100, { XXX_MPEG4ProfileSimpleStudio, OMX_VIDEO_MPEG4Level6 } }, */
{ 0b11110000, { OMX_VIDEO_MPEG4ProfileAdvancedSimple, OMX_VIDEO_MPEG4Level0 } },
{ 0b11110001, { OMX_VIDEO_MPEG4ProfileAdvancedSimple, OMX_VIDEO_MPEG4Level1 } },
{ 0b11110010, { OMX_VIDEO_MPEG4ProfileAdvancedSimple, OMX_VIDEO_MPEG4Level2 } },
{ 0b11110011, { OMX_VIDEO_MPEG4ProfileAdvancedSimple, OMX_VIDEO_MPEG4Level3 } },
{ 0b11110100, { OMX_VIDEO_MPEG4ProfileAdvancedSimple, OMX_VIDEO_MPEG4Level4 } },
{ 0b11110101, { OMX_VIDEO_MPEG4ProfileAdvancedSimple, OMX_VIDEO_MPEG4Level5 } },
{ 0b11110111, { OMX_VIDEO_MPEG4ProfileAdvancedSimple, OMX_VIDEO_MPEG4Level3b } },
/* deprecated
{ 0b11111000, { XXX_MPEG4ProfileFineGranularityScalable, OMX_VIDEO_MPEG4Level0 } },
{ 0b11111001, { XXX_MPEG4ProfileFineGranularityScalable, OMX_VIDEO_MPEG4Level1 } },
{ 0b11111010, { XXX_MPEG4ProfileFineGranularityScalable, OMX_VIDEO_MPEG4Level2 } },
{ 0b11111011, { XXX_MPEG4ProfileFineGranularityScalable, OMX_VIDEO_MPEG4Level3 } },
{ 0b11111100, { XXX_MPEG4ProfileFineGranularityScalable, OMX_VIDEO_MPEG4Level4 } },
{ 0b11111101, { XXX_MPEG4ProfileFineGranularityScalable, OMX_VIDEO_MPEG4Level5 } }, */
};
std::pair<OMX_VIDEO_MPEG4PROFILETYPE, OMX_VIDEO_MPEG4LEVELTYPE> 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, OMX_VIDEO_VP9PROFILETYPE> profiles {
{ 0, OMX_VIDEO_VP9Profile0 },
{ 1, OMX_VIDEO_VP9Profile1 },
{ 2, OMX_VIDEO_VP9Profile2 },
{ 3, OMX_VIDEO_VP9Profile3 },
};
const static ALookup<OMX_VIDEO_VP9PROFILETYPE, OMX_VIDEO_VP9PROFILETYPE> toHdr {
{ OMX_VIDEO_VP9Profile2, OMX_VIDEO_VP9Profile2HDR },
{ OMX_VIDEO_VP9Profile3, OMX_VIDEO_VP9Profile3HDR },
};
OMX_VIDEO_VP9PROFILETYPE profile;
if (profiles.map(data[0], &profile)) {
// convert to HDR profile
if (isHdr(format)) {
toHdr.lookup(profile, &profile);
}
format->setInt32("profile", profile);
}
}
break;
case 2 /* levelId */:
if (length >= 1) {
const static ALookup<uint8_t, OMX_VIDEO_VP9LEVELTYPE> levels {
{ 10, OMX_VIDEO_VP9Level1 },
{ 11, OMX_VIDEO_VP9Level11 },
{ 20, OMX_VIDEO_VP9Level2 },
{ 21, OMX_VIDEO_VP9Level21 },
{ 30, OMX_VIDEO_VP9Level3 },
{ 31, OMX_VIDEO_VP9Level31 },
{ 40, OMX_VIDEO_VP9Level4 },
{ 41, OMX_VIDEO_VP9Level41 },
{ 50, OMX_VIDEO_VP9Level5 },
{ 51, OMX_VIDEO_VP9Level51 },
{ 52, OMX_VIDEO_VP9Level52 },
{ 60, OMX_VIDEO_VP9Level6 },
{ 61, OMX_VIDEO_VP9Level61 },
{ 62, OMX_VIDEO_VP9Level62 },
};
OMX_VIDEO_VP9LEVELTYPE level;
if (levels.map(data[0], &level)) {
format->setInt32("level", level);
}
}
break;
default:
break;
}
remaining -= length;
data += length;
}
}
status_t convertMetaDataToMessage(
const sp<MetaData> &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);
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);
}
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);
}
// this only needs to be translated from meta to message as it is an extractor key
int32_t trackID;
if (meta->findInt32(kKeyTrackID, &trackID)) {
msg->setInt32("track-id", trackID);
}
const char *lang;
if (meta->findCString(kKeyMediaLanguage, &lang)) {
msg->setString("language", lang);
}
if (!strncasecmp("video/", 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);
}
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);
}
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 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 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 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
size_t lengthSize __unused = 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) { // configurationVersion == 1
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);
}
parseHevcProfileLevelFromHvcc((const uint8_t *)data, dataSize, 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(kTypeD263, &type, &data, &size)) {
const uint8_t *ptr = (const uint8_t *)data;
parseH263ProfileLevelFromD263(ptr, size, msg);
} else if (meta->findData(kKeyVorbisInfo, &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(kKeyVorbisBooks, &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);
} 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(kKeyFlacMetadata, &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);
} 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);
}
// TODO expose "crypto-key"/kKeyCryptoKey through public api
if (meta->findData(kKeyCryptoKey, &type, &data, &size)) {
sp<ABuffer> buffer = new (std::nothrow) ABuffer(size);
msg->setBuffer("crypto-key", buffer);
memcpy(buffer->data(), data, size);
}
*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);
}
}
void convertMessageToMetaData(const sp<AMessage> &msg, sp<MetaData> &meta) {
AString mime;
if (msg->findString("mime", &mime)) {
meta->setCString(kKeyMIMEType, mime.c_str());
} else {
ALOGW("did not find mime type");
}
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);
}
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);
}
AString lang;
if (msg->findString("language", &lang)) {
meta->setCString(kKeyMediaLanguage, lang.c_str());
}
if (mime.startsWith("video/")) {
int32_t width;
int32_t height;
if (msg->findInt32("width", &width) && msg->findInt32("height", &height)) {
meta->setInt32(kKeyWidth, width);
meta->setInt32(kKeyHeight, height);
} else {
ALOGW("did not find width and/or height");
}
int32_t sarWidth, sarHeight;
if (msg->findInt32("sar-width", &sarWidth)
&& msg->findInt32("sar-height", &sarHeight)) {
meta->setInt32(kKeySARWidth, sarWidth);
meta->setInt32(kKeySARHeight, sarHeight);
}
int32_t displayWidth, displayHeight;
if (msg->findInt32("display-width", &displayWidth)
&& msg->findInt32("display-height", &displayHeight)) {
meta->setInt32(kKeyDisplayWidth, displayWidth);
meta->setInt32(kKeyDisplayHeight, displayHeight);
}
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)) {
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));
}
}
convertMessageToMetaDataColorAspects(msg, meta);
AString tsSchema;
if (msg->findString("ts-schema", &tsSchema)) {
unsigned int numLayers = 0;
unsigned int numBLayers = 0;
char dummy;
int tags = sscanf(tsSchema.c_str(), "android.generic.%u%c%u%c",
&numLayers, &dummy, &numBLayers, &dummy);
if ((tags == 1 || (tags == 3 && dummy == '+'))
&& numLayers > 0 && numLayers < UINT32_MAX - numBLayers
&& numLayers + numBLayers <= INT32_MAX) {
meta->setInt32(kKeyTemporalLayerCount, numLayers + numBLayers);
}
}
} else if (mime.startsWith("audio/")) {
int32_t numChannels;
if (msg->findInt32("channel-count", &numChannels)) {
meta->setInt32(kKeyChannelCount, numChannels);
}
int32_t sampleRate;
if (msg->findInt32("sample-rate", &sampleRate)) {
meta->setInt32(kKeySampleRate, sampleRate);
}
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 pcmEncoding;
if (msg->findInt32("pcm-encoding", &pcmEncoding)) {
meta->setInt32(kKeyPcmEncoding, pcmEncoding);
}
}
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 <= 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, kKeyAVCC, avcc.data(), outsize);
}
} else if (mime == MEDIA_MIMETYPE_AUDIO_AAC || mime == MEDIA_MIMETYPE_VIDEO_MPEG4) {
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, kKeyESDS, esds.data(), esds.size());
} else if (mime == MEDIA_MIMETYPE_VIDEO_HEVC) {
std::vector<uint8_t> hvcc(csd0size + 1024);
size_t outsize = reassembleHVCC(csd0, hvcc.data(), hvcc.size(), 4);
meta->setData(kKeyHVCC, kKeyHVCC, hvcc.data(), outsize);
} else if (mime == MEDIA_MIMETYPE_VIDEO_VP9) {
meta->setData(kKeyVp9CodecPrivate, 0, csd0->data(), csd0->size());
} else if (mime == MEDIA_MIMETYPE_AUDIO_OPUS) {
meta->setData(kKeyOpusHeader, 0, csd0->data(), csd0->size());
if (msg->findBuffer("csd-1", &csd1)) {
meta->setData(kKeyOpusCodecDelay, 0, csd1->data(), csd1->size());
}
if (msg->findBuffer("csd-2", &csd2)) {
meta->setData(kKeyOpusSeekPreRoll, 0, csd2->data(), csd2->size());
}
} else if (mime == MEDIA_MIMETYPE_AUDIO_VORBIS) {
meta->setData(kKeyVorbisInfo, 0, csd0->data(), csd0->size());
if (msg->findBuffer("csd-1", &csd1)) {
meta->setData(kKeyVorbisBooks, 0, csd1->data(), csd1->size());
}
}
}
int32_t timeScale;
if (msg->findInt32("time-scale", &timeScale)) {
meta->setInt32(kKeyTimeScale, timeScale);
}
// XXX TODO add whatever other keys there are
#if 0
ALOGI("converted %s to:", msg->debugString(0).c_str());
meta->dumpToLog();
#endif
}
AString MakeUserAgent() {
AString ua;
ua.append("stagefright/1.2 (Linux;Android ");
#if (PROPERTY_VALUE_MAX < 8)
#error "PROPERTY_VALUE_MAX must be at least 8"
#endif
char value[PROPERTY_VALUE_MAX];
property_get("ro.build.version.release", value, "Unknown");
ua.append(value);
ua.append(")");
return ua;
}
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_FLAC, AUDIO_FORMAT_FLAC},
{ 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 {
OMX_AUDIO_AACPROFILETYPE eAacProfileType;
audio_format_t format;
};
static const struct aac_format_conv_t profileLookup[] = {
{ OMX_AUDIO_AACObjectMain, AUDIO_FORMAT_AAC_MAIN},
{ OMX_AUDIO_AACObjectLC, AUDIO_FORMAT_AAC_LC},
{ OMX_AUDIO_AACObjectSSR, AUDIO_FORMAT_AAC_SSR},
{ OMX_AUDIO_AACObjectLTP, AUDIO_FORMAT_AAC_LTP},
{ OMX_AUDIO_AACObjectHE, AUDIO_FORMAT_AAC_HE_V1},
{ OMX_AUDIO_AACObjectScalable, AUDIO_FORMAT_AAC_SCALABLE},
{ OMX_AUDIO_AACObjectERLC, AUDIO_FORMAT_AAC_ERLC},
{ OMX_AUDIO_AACObjectLD, AUDIO_FORMAT_AAC_LD},
{ OMX_AUDIO_AACObjectHE_PS, AUDIO_FORMAT_AAC_HE_V2},
{ OMX_AUDIO_AACObjectELD, AUDIO_FORMAT_AAC_ELD},
{ OMX_AUDIO_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 != OMX_AUDIO_AACObjectNull) {
if (eAacProfile == p->eAacProfileType) {
format = p->format;
return;
}
++p;
}
format = AUDIO_FORMAT_AAC;
return;
}
bool canOffloadStream(const sp<MetaData>& meta, bool hasVideo,
bool isStreaming, audio_stream_type_t streamType)
{
const char *mime;
if (meta == NULL) {
return false;
}
CHECK(meta->findCString(kKeyMIMEType, &mime));
audio_offload_info_t 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 false;
} 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 false;
}
// 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,(OMX_AUDIO_AACPROFILETYPE) 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 cmask = 0;
if (!meta->findInt32(kKeyChannelMask, &cmask)) {
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 = -1;
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;
// Check if offload is possible for given format, stream type, sample rate,
// bit rate, duration, video and streaming
return AudioSystem::isOffloadSupported(info);
}
AString uriDebugString(const AString &uri, bool incognito) {
if (incognito) {
return AString("<URI suppressed>");
}
if (property_get_bool("media.stagefright.log-uri", false)) {
return uri;
}
// find scheme
AString scheme;
const char *chars = uri.c_str();
for (size_t i = 0; i < uri.size(); i++) {
const char c = chars[i];
if (!isascii(c)) {
break;
} else if (isalpha(c)) {
continue;
} else if (i == 0) {
// first character must be a letter
break;
} else if (isdigit(c) || c == '+' || c == '.' || c =='-') {
continue;
} else if (c != ':') {
break;
}
scheme = AString(uri, 0, i);
scheme.append("://<suppressed>");
return scheme;
}
return AString("<no-scheme URI suppressed>");
}
HLSTime::HLSTime(const sp<AMessage>& meta) :
mSeq(-1),
mTimeUs(-1ll),
mMeta(meta) {
if (meta != NULL) {
CHECK(meta->findInt32("discontinuitySeq", &mSeq));
CHECK(meta->findInt64("timeUs", &mTimeUs));
}
}
int64_t HLSTime::getSegmentTimeUs() const {
int64_t segmentStartTimeUs = -1ll;
if (mMeta != NULL) {
CHECK(mMeta->findInt64("segmentStartTimeUs", &segmentStartTimeUs));
int64_t segmentFirstTimeUs;
if (mMeta->findInt64("segmentFirstTimeUs", &segmentFirstTimeUs)) {
segmentStartTimeUs += mTimeUs - segmentFirstTimeUs;
}
// adjust segment time by playlist age (for live streaming)
int64_t playlistTimeUs;
if (mMeta->findInt64("playlistTimeUs", &playlistTimeUs)) {
int64_t playlistAgeUs = ALooper::GetNowUs() - playlistTimeUs;
int64_t durationUs;
CHECK(mMeta->findInt64("segmentDurationUs", &durationUs));
// round to nearest whole segment
playlistAgeUs = (playlistAgeUs + durationUs / 2)
/ durationUs * durationUs;
segmentStartTimeUs -= playlistAgeUs;
if (segmentStartTimeUs < 0) {
segmentStartTimeUs = 0;
}
}
}
return segmentStartTimeUs;
}
bool operator <(const HLSTime &t0, const HLSTime &t1) {
// we can only compare discontinuity sequence and timestamp.
// (mSegmentTimeUs is not reliable in live streaming case, it's the
// time starting from beginning of playlist but playlist could change.)
return t0.mSeq < t1.mSeq
|| (t0.mSeq == t1.mSeq && t0.mTimeUs < t1.mTimeUs);
}
void writeToAMessage(const sp<AMessage> &msg, const AudioPlaybackRate &rate) {
msg->setFloat("speed", rate.mSpeed);
msg->setFloat("pitch", rate.mPitch);
msg->setInt32("audio-fallback-mode", rate.mFallbackMode);
msg->setInt32("audio-stretch-mode", rate.mStretchMode);
}
void readFromAMessage(const sp<AMessage> &msg, AudioPlaybackRate *rate /* nonnull */) {
*rate = AUDIO_PLAYBACK_RATE_DEFAULT;
CHECK(msg->findFloat("speed", &rate->mSpeed));
CHECK(msg->findFloat("pitch", &rate->mPitch));
CHECK(msg->findInt32("audio-fallback-mode", (int32_t *)&rate->mFallbackMode));
CHECK(msg->findInt32("audio-stretch-mode", (int32_t *)&rate->mStretchMode));
}
void writeToAMessage(const sp<AMessage> &msg, const AVSyncSettings &sync, float videoFpsHint) {
msg->setInt32("sync-source", sync.mSource);
msg->setInt32("audio-adjust-mode", sync.mAudioAdjustMode);
msg->setFloat("tolerance", sync.mTolerance);
msg->setFloat("video-fps", videoFpsHint);
}
void readFromAMessage(
const sp<AMessage> &msg,
AVSyncSettings *sync /* nonnull */,
float *videoFps /* nonnull */) {
AVSyncSettings settings;
CHECK(msg->findInt32("sync-source", (int32_t *)&settings.mSource));
CHECK(msg->findInt32("audio-adjust-mode", (int32_t *)&settings.mAudioAdjustMode));
CHECK(msg->findFloat("tolerance", &settings.mTolerance));
CHECK(msg->findFloat("video-fps", videoFps));
*sync = settings;
}
void writeToAMessage(const sp<AMessage> &msg, const BufferingSettings &buffering) {
msg->setInt32("init-mode", buffering.mInitialBufferingMode);
msg->setInt32("rebuffer-mode", buffering.mRebufferingMode);
msg->setInt32("init-ms", buffering.mInitialWatermarkMs);
msg->setInt32("init-kb", buffering.mInitialWatermarkKB);
msg->setInt32("rebuffer-low-ms", buffering.mRebufferingWatermarkLowMs);
msg->setInt32("rebuffer-high-ms", buffering.mRebufferingWatermarkHighMs);
msg->setInt32("rebuffer-low-kb", buffering.mRebufferingWatermarkLowKB);
msg->setInt32("rebuffer-high-kb", buffering.mRebufferingWatermarkHighKB);
}
void readFromAMessage(const sp<AMessage> &msg, BufferingSettings *buffering /* nonnull */) {
int32_t value;
if (msg->findInt32("init-mode", &value)) {
buffering->mInitialBufferingMode = (BufferingMode)value;
}
if (msg->findInt32("rebuffer-mode", &value)) {
buffering->mRebufferingMode = (BufferingMode)value;
}
if (msg->findInt32("init-ms", &value)) {
buffering->mInitialWatermarkMs = value;
}
if (msg->findInt32("init-kb", &value)) {
buffering->mInitialWatermarkKB = value;
}
if (msg->findInt32("rebuffer-low-ms", &value)) {
buffering->mRebufferingWatermarkLowMs = value;
}
if (msg->findInt32("rebuffer-high-ms", &value)) {
buffering->mRebufferingWatermarkHighMs = value;
}
if (msg->findInt32("rebuffer-low-kb", &value)) {
buffering->mRebufferingWatermarkLowKB = value;
}
if (msg->findInt32("rebuffer-high-kb", &value)) {
buffering->mRebufferingWatermarkHighKB = value;
}
}
AString nameForFd(int fd) {
const size_t SIZE = 256;
char buffer[SIZE];
AString result;
snprintf(buffer, SIZE, "/proc/%d/fd/%d", getpid(), fd);
struct stat s;
if (lstat(buffer, &s) == 0) {
if ((s.st_mode & S_IFMT) == S_IFLNK) {
char linkto[256];
int len = readlink(buffer, linkto, sizeof(linkto));
if(len > 0) {
if(len > 255) {
linkto[252] = '.';
linkto[253] = '.';
linkto[254] = '.';
linkto[255] = 0;
} else {
linkto[len] = 0;
}
result.append(linkto);
}
} else {
result.append("unexpected type for ");
result.append(buffer);
}
} else {
result.append("couldn't open ");
result.append(buffer);
}
return result;
}
void MakeFourCCString(uint32_t x, char *s) {
s[0] = x >> 24;
s[1] = (x >> 16) & 0xff;
s[2] = (x >> 8) & 0xff;
s[3] = x & 0xff;
s[4] = '\0';
}
} // namespace android