blob: 9e92ea6c9a88a15e03e0316aadeb810cc6c3ce72 [file] [log] [blame]
/*
* Copyright (C) 2014 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.
*/
#include <inttypes.h>
//#define LOG_NDEBUG 0
#define LOG_TAG "NdkMediaCodec"
#include <media/NdkMediaCodecPlatform.h>
#include <media/NdkMediaError.h>
#include <media/NdkMediaFormatPriv.h>
#include "NdkMediaCryptoPriv.h"
#include <utils/Log.h>
#include <utils/StrongPointer.h>
#include <gui/Surface.h>
#include <media/stagefright/foundation/ALooper.h>
#include <media/stagefright/foundation/AMessage.h>
#include <media/stagefright/PersistentSurface.h>
#include <media/stagefright/MediaCodec.h>
#include <media/stagefright/MediaErrors.h>
#include <media/MediaCodecBuffer.h>
#include <android/native_window.h>
using namespace android;
static media_status_t translate_error(status_t err) {
if (err == OK) {
return AMEDIA_OK;
} else if (err == -EAGAIN) {
return (media_status_t) AMEDIACODEC_INFO_TRY_AGAIN_LATER;
} else if (err == NO_MEMORY) {
return AMEDIACODEC_ERROR_INSUFFICIENT_RESOURCE;
} else if (err == DEAD_OBJECT) {
return AMEDIACODEC_ERROR_RECLAIMED;
}
ALOGE("sf error code: %d", err);
return AMEDIA_ERROR_UNKNOWN;
}
enum {
kWhatActivityNotify,
kWhatAsyncNotify,
kWhatRequestActivityNotifications,
kWhatStopActivityNotifications,
};
struct AMediaCodecPersistentSurface : public Surface {
sp<PersistentSurface> mPersistentSurface;
AMediaCodecPersistentSurface(
const sp<IGraphicBufferProducer>& igbp,
const sp<PersistentSurface>& ps)
: Surface(igbp) {
mPersistentSurface = ps;
}
virtual ~AMediaCodecPersistentSurface() {
//mPersistentSurface ref will be let go off here
}
};
class CodecHandler: public AHandler {
private:
AMediaCodec* mCodec;
public:
explicit CodecHandler(AMediaCodec *codec);
virtual void onMessageReceived(const sp<AMessage> &msg);
};
typedef void (*OnCodecEvent)(AMediaCodec *codec, void *userdata);
struct AMediaCodec {
sp<android::MediaCodec> mCodec;
sp<ALooper> mLooper;
sp<CodecHandler> mHandler;
sp<AMessage> mActivityNotification;
int32_t mGeneration;
bool mRequestedActivityNotification;
OnCodecEvent mCallback;
void *mCallbackUserData;
sp<AMessage> mAsyncNotify;
mutable Mutex mAsyncCallbackLock;
AMediaCodecOnAsyncNotifyCallback mAsyncCallback;
void *mAsyncCallbackUserData;
};
CodecHandler::CodecHandler(AMediaCodec *codec) {
mCodec = codec;
}
void CodecHandler::onMessageReceived(const sp<AMessage> &msg) {
switch (msg->what()) {
case kWhatRequestActivityNotifications:
{
if (mCodec->mRequestedActivityNotification) {
break;
}
mCodec->mCodec->requestActivityNotification(mCodec->mActivityNotification);
mCodec->mRequestedActivityNotification = true;
break;
}
case kWhatActivityNotify:
{
{
int32_t generation;
msg->findInt32("generation", &generation);
if (generation != mCodec->mGeneration) {
// stale
break;
}
mCodec->mRequestedActivityNotification = false;
}
if (mCodec->mCallback) {
mCodec->mCallback(mCodec, mCodec->mCallbackUserData);
}
break;
}
case kWhatAsyncNotify:
{
int32_t cbID;
if (!msg->findInt32("callbackID", &cbID)) {
ALOGE("kWhatAsyncNotify: callbackID is expected.");
break;
}
ALOGV("kWhatAsyncNotify: cbID = %d", cbID);
switch (cbID) {
case MediaCodec::CB_INPUT_AVAILABLE:
{
int32_t index;
if (!msg->findInt32("index", &index)) {
ALOGE("CB_INPUT_AVAILABLE: index is expected.");
break;
}
Mutex::Autolock _l(mCodec->mAsyncCallbackLock);
if (mCodec->mAsyncCallback.onAsyncInputAvailable != NULL) {
mCodec->mAsyncCallback.onAsyncInputAvailable(
mCodec,
mCodec->mAsyncCallbackUserData,
index);
}
break;
}
case MediaCodec::CB_OUTPUT_AVAILABLE:
{
int32_t index;
size_t offset;
size_t size;
int64_t timeUs;
int32_t flags;
if (!msg->findInt32("index", &index)) {
ALOGE("CB_OUTPUT_AVAILABLE: index is expected.");
break;
}
if (!msg->findSize("offset", &offset)) {
ALOGE("CB_OUTPUT_AVAILABLE: offset is expected.");
break;
}
if (!msg->findSize("size", &size)) {
ALOGE("CB_OUTPUT_AVAILABLE: size is expected.");
break;
}
if (!msg->findInt64("timeUs", &timeUs)) {
ALOGE("CB_OUTPUT_AVAILABLE: timeUs is expected.");
break;
}
if (!msg->findInt32("flags", &flags)) {
ALOGE("CB_OUTPUT_AVAILABLE: flags is expected.");
break;
}
AMediaCodecBufferInfo bufferInfo = {
(int32_t)offset,
(int32_t)size,
timeUs,
(uint32_t)flags};
Mutex::Autolock _l(mCodec->mAsyncCallbackLock);
if (mCodec->mAsyncCallback.onAsyncOutputAvailable != NULL) {
mCodec->mAsyncCallback.onAsyncOutputAvailable(
mCodec,
mCodec->mAsyncCallbackUserData,
index,
&bufferInfo);
}
break;
}
case MediaCodec::CB_OUTPUT_FORMAT_CHANGED:
{
sp<AMessage> format;
if (!msg->findMessage("format", &format)) {
ALOGE("CB_OUTPUT_FORMAT_CHANGED: format is expected.");
break;
}
// Here format is MediaCodec's internal copy of output format.
// Make a copy since the client might modify it.
sp<AMessage> copy;
if (format != nullptr) {
copy = format->dup();
}
AMediaFormat *aMediaFormat = AMediaFormat_fromMsg(&copy);
Mutex::Autolock _l(mCodec->mAsyncCallbackLock);
if (mCodec->mAsyncCallback.onAsyncFormatChanged != NULL) {
mCodec->mAsyncCallback.onAsyncFormatChanged(
mCodec,
mCodec->mAsyncCallbackUserData,
aMediaFormat);
}
break;
}
case MediaCodec::CB_ERROR:
{
status_t err;
int32_t actionCode;
AString detail;
if (!msg->findInt32("err", &err)) {
ALOGE("CB_ERROR: err is expected.");
break;
}
if (!msg->findInt32("actionCode", &actionCode)) {
ALOGE("CB_ERROR: actionCode is expected.");
break;
}
msg->findString("detail", &detail);
ALOGE("Codec reported error(0x%x/%s), actionCode(%d), detail(%s)",
err, StrMediaError(err).c_str(), actionCode, detail.c_str());
Mutex::Autolock _l(mCodec->mAsyncCallbackLock);
if (mCodec->mAsyncCallback.onAsyncError != NULL) {
mCodec->mAsyncCallback.onAsyncError(
mCodec,
mCodec->mAsyncCallbackUserData,
translate_error(err),
actionCode,
detail.c_str());
}
break;
}
default:
{
ALOGE("kWhatAsyncNotify: callbackID(%d) is unexpected.", cbID);
break;
}
}
break;
}
case kWhatStopActivityNotifications:
{
sp<AReplyToken> replyID;
msg->senderAwaitsResponse(&replyID);
mCodec->mGeneration++;
mCodec->mRequestedActivityNotification = false;
sp<AMessage> response = new AMessage;
response->postReply(replyID);
break;
}
default:
ALOGE("shouldn't be here");
break;
}
}
static void requestActivityNotification(AMediaCodec *codec) {
(new AMessage(kWhatRequestActivityNotifications, codec->mHandler))->post();
}
extern "C" {
static AMediaCodec * createAMediaCodec(const char *name,
bool name_is_type,
bool encoder,
pid_t pid = android::MediaCodec::kNoPid,
uid_t uid = android::MediaCodec::kNoUid) {
AMediaCodec *mData = new AMediaCodec();
mData->mLooper = new ALooper;
mData->mLooper->setName("NDK MediaCodec_looper");
size_t res = mData->mLooper->start(
false, // runOnCallingThread
true, // canCallJava XXX
PRIORITY_AUDIO);
if (res != OK) {
ALOGE("Failed to start the looper");
AMediaCodec_delete(mData);
return NULL;
}
if (name_is_type) {
mData->mCodec = android::MediaCodec::CreateByType(
mData->mLooper,
name,
encoder,
nullptr /* err */,
pid,
uid);
} else {
mData->mCodec = android::MediaCodec::CreateByComponentName(
mData->mLooper,
name,
nullptr /* err */,
pid,
uid);
}
if (mData->mCodec == NULL) { // failed to create codec
AMediaCodec_delete(mData);
return NULL;
}
mData->mHandler = new CodecHandler(mData);
mData->mLooper->registerHandler(mData->mHandler);
mData->mGeneration = 1;
mData->mRequestedActivityNotification = false;
mData->mCallback = NULL;
mData->mAsyncCallback = {};
mData->mAsyncCallbackUserData = NULL;
return mData;
}
EXPORT
AMediaCodec* AMediaCodec_createCodecByName(const char *name) {
return createAMediaCodec(name, false /* name_is_type */, false /* encoder */);
}
EXPORT
AMediaCodec* AMediaCodec_createDecoderByType(const char *mime_type) {
return createAMediaCodec(mime_type, true /* name_is_type */, false /* encoder */);
}
EXPORT
AMediaCodec* AMediaCodec_createEncoderByType(const char *name) {
return createAMediaCodec(name, true /* name_is_type */, true /* encoder */);
}
EXPORT
AMediaCodec* AMediaCodec_createCodecByNameForClient(const char *name,
pid_t pid,
uid_t uid) {
return createAMediaCodec(name, false /* name_is_type */, false /* encoder */, pid, uid);
}
EXPORT
AMediaCodec* AMediaCodec_createDecoderByTypeForClient(const char *mime_type,
pid_t pid,
uid_t uid) {
return createAMediaCodec(mime_type, true /* name_is_type */, false /* encoder */, pid, uid);
}
EXPORT
AMediaCodec* AMediaCodec_createEncoderByTypeForClient(const char *name,
pid_t pid,
uid_t uid) {
return createAMediaCodec(name, true /* name_is_type */, true /* encoder */, pid, uid);
}
EXPORT
media_status_t AMediaCodec_delete(AMediaCodec *mData) {
if (mData != NULL) {
if (mData->mCodec != NULL) {
mData->mCodec->release();
mData->mCodec.clear();
}
if (mData->mLooper != NULL) {
if (mData->mHandler != NULL) {
mData->mLooper->unregisterHandler(mData->mHandler->id());
}
mData->mLooper->stop();
mData->mLooper.clear();
}
delete mData;
}
return AMEDIA_OK;
}
EXPORT
media_status_t AMediaCodec_getName(
AMediaCodec *mData,
char** out_name) {
if (out_name == NULL) {
return AMEDIA_ERROR_INVALID_PARAMETER;
}
AString compName;
status_t err = mData->mCodec->getName(&compName);
if (err != OK) {
return translate_error(err);
}
*out_name = strdup(compName.c_str());
return AMEDIA_OK;
}
EXPORT
void AMediaCodec_releaseName(
AMediaCodec * /* mData */,
char* name) {
if (name != NULL) {
free(name);
}
}
EXPORT
media_status_t AMediaCodec_configure(
AMediaCodec *mData,
const AMediaFormat* format,
ANativeWindow* window,
AMediaCrypto *crypto,
uint32_t flags) {
sp<AMessage> nativeFormat;
AMediaFormat_getFormat(format, &nativeFormat);
// create our shallow copy, so we aren't victim to any later changes.
sp<AMessage> dupNativeFormat = nativeFormat->dup();
ALOGV("configure with format: %s", dupNativeFormat->debugString(0).c_str());
sp<Surface> surface = NULL;
if (window != NULL) {
surface = (Surface*) window;
}
status_t err = mData->mCodec->configure(dupNativeFormat, surface,
crypto ? crypto->mCrypto : NULL, flags);
if (err != OK) {
ALOGE("configure: err(%d), failed with format: %s",
err, dupNativeFormat->debugString(0).c_str());
}
return translate_error(err);
}
EXPORT
media_status_t AMediaCodec_setAsyncNotifyCallback(
AMediaCodec *mData,
AMediaCodecOnAsyncNotifyCallback callback,
void *userdata) {
Mutex::Autolock _l(mData->mAsyncCallbackLock);
if (mData->mAsyncNotify == NULL) {
mData->mAsyncNotify = new AMessage(kWhatAsyncNotify, mData->mHandler);
}
// always call, codec may have been reset/re-configured since last call.
status_t err = mData->mCodec->setCallback(mData->mAsyncNotify);
if (err != OK) {
ALOGE("setAsyncNotifyCallback: err(%d), failed to set async callback", err);
return translate_error(err);
}
mData->mAsyncCallback = callback;
mData->mAsyncCallbackUserData = userdata;
return AMEDIA_OK;
}
EXPORT
media_status_t AMediaCodec_releaseCrypto(AMediaCodec *mData) {
return translate_error(mData->mCodec->releaseCrypto());
}
EXPORT
media_status_t AMediaCodec_start(AMediaCodec *mData) {
status_t ret = mData->mCodec->start();
if (ret != OK) {
return translate_error(ret);
}
mData->mActivityNotification = new AMessage(kWhatActivityNotify, mData->mHandler);
mData->mActivityNotification->setInt32("generation", mData->mGeneration);
requestActivityNotification(mData);
return AMEDIA_OK;
}
EXPORT
media_status_t AMediaCodec_stop(AMediaCodec *mData) {
media_status_t ret = translate_error(mData->mCodec->stop());
sp<AMessage> msg = new AMessage(kWhatStopActivityNotifications, mData->mHandler);
sp<AMessage> response;
msg->postAndAwaitResponse(&response);
mData->mActivityNotification.clear();
return ret;
}
EXPORT
media_status_t AMediaCodec_flush(AMediaCodec *mData) {
return translate_error(mData->mCodec->flush());
}
EXPORT
ssize_t AMediaCodec_dequeueInputBuffer(AMediaCodec *mData, int64_t timeoutUs) {
size_t idx;
status_t ret = mData->mCodec->dequeueInputBuffer(&idx, timeoutUs);
requestActivityNotification(mData);
if (ret == OK) {
return idx;
}
return translate_error(ret);
}
EXPORT
uint8_t* AMediaCodec_getInputBuffer(AMediaCodec *mData, size_t idx, size_t *out_size) {
if (mData->mAsyncNotify != NULL) {
// Asynchronous mode
sp<MediaCodecBuffer> abuf;
if (mData->mCodec->getInputBuffer(idx, &abuf) != 0) {
return NULL;
}
if (out_size != NULL) {
*out_size = abuf->capacity();
}
return abuf->data();
}
android::Vector<android::sp<android::MediaCodecBuffer> > abufs;
if (mData->mCodec->getInputBuffers(&abufs) == 0) {
size_t n = abufs.size();
if (idx >= n) {
ALOGE("buffer index %zu out of range", idx);
return NULL;
}
if (abufs[idx] == NULL) {
ALOGE("buffer index %zu is NULL", idx);
return NULL;
}
if (out_size != NULL) {
*out_size = abufs[idx]->capacity();
}
return abufs[idx]->data();
}
ALOGE("couldn't get input buffers");
return NULL;
}
EXPORT
uint8_t* AMediaCodec_getOutputBuffer(AMediaCodec *mData, size_t idx, size_t *out_size) {
if (mData->mAsyncNotify != NULL) {
// Asynchronous mode
sp<MediaCodecBuffer> abuf;
if (mData->mCodec->getOutputBuffer(idx, &abuf) != 0) {
return NULL;
}
if (out_size != NULL) {
*out_size = abuf->capacity();
}
return abuf->data();
}
android::Vector<android::sp<android::MediaCodecBuffer> > abufs;
if (mData->mCodec->getOutputBuffers(&abufs) == 0) {
size_t n = abufs.size();
if (idx >= n) {
ALOGE("buffer index %zu out of range", idx);
return NULL;
}
if (out_size != NULL) {
*out_size = abufs[idx]->capacity();
}
return abufs[idx]->data();
}
ALOGE("couldn't get output buffers");
return NULL;
}
EXPORT
media_status_t AMediaCodec_queueInputBuffer(AMediaCodec *mData,
size_t idx, off_t offset, size_t size, uint64_t time, uint32_t flags) {
AString errorMsg;
status_t ret = mData->mCodec->queueInputBuffer(idx, offset, size, time, flags, &errorMsg);
return translate_error(ret);
}
EXPORT
ssize_t AMediaCodec_dequeueOutputBuffer(AMediaCodec *mData,
AMediaCodecBufferInfo *info, int64_t timeoutUs) {
size_t idx;
size_t offset;
size_t size;
uint32_t flags;
int64_t presentationTimeUs;
status_t ret = mData->mCodec->dequeueOutputBuffer(&idx, &offset, &size, &presentationTimeUs,
&flags, timeoutUs);
requestActivityNotification(mData);
switch (ret) {
case OK:
info->offset = offset;
info->size = size;
info->flags = flags;
info->presentationTimeUs = presentationTimeUs;
return idx;
case -EAGAIN:
return AMEDIACODEC_INFO_TRY_AGAIN_LATER;
case android::INFO_FORMAT_CHANGED:
return AMEDIACODEC_INFO_OUTPUT_FORMAT_CHANGED;
case INFO_OUTPUT_BUFFERS_CHANGED:
return AMEDIACODEC_INFO_OUTPUT_BUFFERS_CHANGED;
default:
break;
}
return translate_error(ret);
}
EXPORT
AMediaFormat* AMediaCodec_getOutputFormat(AMediaCodec *mData) {
sp<AMessage> format;
mData->mCodec->getOutputFormat(&format);
return AMediaFormat_fromMsg(&format);
}
EXPORT
AMediaFormat* AMediaCodec_getInputFormat(AMediaCodec *mData) {
sp<AMessage> format;
mData->mCodec->getInputFormat(&format);
return AMediaFormat_fromMsg(&format);
}
EXPORT
AMediaFormat* AMediaCodec_getBufferFormat(AMediaCodec *mData, size_t index) {
sp<AMessage> format;
mData->mCodec->getOutputFormat(index, &format);
return AMediaFormat_fromMsg(&format);
}
EXPORT
media_status_t AMediaCodec_releaseOutputBuffer(AMediaCodec *mData, size_t idx, bool render) {
if (render) {
return translate_error(mData->mCodec->renderOutputBufferAndRelease(idx));
} else {
return translate_error(mData->mCodec->releaseOutputBuffer(idx));
}
}
EXPORT
media_status_t AMediaCodec_releaseOutputBufferAtTime(
AMediaCodec *mData, size_t idx, int64_t timestampNs) {
ALOGV("render @ %" PRId64, timestampNs);
return translate_error(mData->mCodec->renderOutputBufferAndRelease(idx, timestampNs));
}
EXPORT
media_status_t AMediaCodec_setOutputSurface(AMediaCodec *mData, ANativeWindow* window) {
sp<Surface> surface = NULL;
if (window != NULL) {
surface = (Surface*) window;
}
return translate_error(mData->mCodec->setSurface(surface));
}
EXPORT
media_status_t AMediaCodec_createInputSurface(AMediaCodec *mData, ANativeWindow **surface) {
if (surface == NULL || mData == NULL) {
return AMEDIA_ERROR_INVALID_PARAMETER;
}
*surface = NULL;
sp<IGraphicBufferProducer> igbp = NULL;
status_t err = mData->mCodec->createInputSurface(&igbp);
if (err != NO_ERROR) {
return translate_error(err);
}
*surface = new Surface(igbp);
ANativeWindow_acquire(*surface);
return AMEDIA_OK;
}
EXPORT
media_status_t AMediaCodec_createPersistentInputSurface(ANativeWindow **surface) {
if (surface == NULL) {
return AMEDIA_ERROR_INVALID_PARAMETER;
}
*surface = NULL;
sp<PersistentSurface> ps = MediaCodec::CreatePersistentInputSurface();
if (ps == NULL) {
return AMEDIA_ERROR_UNKNOWN;
}
sp<IGraphicBufferProducer> igbp = ps->getBufferProducer();
if (igbp == NULL) {
return AMEDIA_ERROR_UNKNOWN;
}
*surface = new AMediaCodecPersistentSurface(igbp, ps);
ANativeWindow_acquire(*surface);
return AMEDIA_OK;
}
EXPORT
media_status_t AMediaCodec_setInputSurface(
AMediaCodec *mData, ANativeWindow *surface) {
if (surface == NULL || mData == NULL) {
return AMEDIA_ERROR_INVALID_PARAMETER;
}
AMediaCodecPersistentSurface *aMediaPersistentSurface =
static_cast<AMediaCodecPersistentSurface *>(surface);
if (aMediaPersistentSurface->mPersistentSurface == NULL) {
return AMEDIA_ERROR_INVALID_PARAMETER;
}
return translate_error(mData->mCodec->setInputSurface(
aMediaPersistentSurface->mPersistentSurface));
}
EXPORT
media_status_t AMediaCodec_setParameters(
AMediaCodec *mData, const AMediaFormat* params) {
if (params == NULL || mData == NULL) {
return AMEDIA_ERROR_INVALID_PARAMETER;
}
sp<AMessage> nativeParams;
AMediaFormat_getFormat(params, &nativeParams);
ALOGV("setParameters: %s", nativeParams->debugString(0).c_str());
return translate_error(mData->mCodec->setParameters(nativeParams));
}
EXPORT
media_status_t AMediaCodec_signalEndOfInputStream(AMediaCodec *mData) {
if (mData == NULL) {
return AMEDIA_ERROR_INVALID_PARAMETER;
}
status_t err = mData->mCodec->signalEndOfInputStream();
if (err == INVALID_OPERATION) {
return AMEDIA_ERROR_INVALID_OPERATION;
}
return translate_error(err);
}
//EXPORT
media_status_t AMediaCodec_setNotificationCallback(AMediaCodec *mData, OnCodecEvent callback,
void *userdata) {
mData->mCallback = callback;
mData->mCallbackUserData = userdata;
return AMEDIA_OK;
}
typedef struct AMediaCodecCryptoInfo {
int numsubsamples;
uint8_t key[16];
uint8_t iv[16];
cryptoinfo_mode_t mode;
cryptoinfo_pattern_t pattern;
size_t *clearbytes;
size_t *encryptedbytes;
} AMediaCodecCryptoInfo;
EXPORT
media_status_t AMediaCodec_queueSecureInputBuffer(
AMediaCodec* codec,
size_t idx,
off_t offset,
AMediaCodecCryptoInfo* crypto,
uint64_t time,
uint32_t flags) {
CryptoPlugin::SubSample *subSamples = new CryptoPlugin::SubSample[crypto->numsubsamples];
for (int i = 0; i < crypto->numsubsamples; i++) {
subSamples[i].mNumBytesOfClearData = crypto->clearbytes[i];
subSamples[i].mNumBytesOfEncryptedData = crypto->encryptedbytes[i];
}
CryptoPlugin::Pattern pattern;
pattern.mEncryptBlocks = crypto->pattern.encryptBlocks;
pattern.mSkipBlocks = crypto->pattern.skipBlocks;
AString errormsg;
status_t err = codec->mCodec->queueSecureInputBuffer(idx,
offset,
subSamples,
crypto->numsubsamples,
crypto->key,
crypto->iv,
(CryptoPlugin::Mode)crypto->mode,
pattern,
time,
flags,
&errormsg);
if (err != 0) {
ALOGE("queSecureInputBuffer: %s", errormsg.c_str());
}
delete [] subSamples;
return translate_error(err);
}
EXPORT
bool AMediaCodecActionCode_isRecoverable(int32_t actionCode) {
return (actionCode == ACTION_CODE_RECOVERABLE);
}
EXPORT
bool AMediaCodecActionCode_isTransient(int32_t actionCode) {
return (actionCode == ACTION_CODE_TRANSIENT);
}
EXPORT
void AMediaCodecCryptoInfo_setPattern(AMediaCodecCryptoInfo *info,
cryptoinfo_pattern_t *pattern) {
info->pattern.encryptBlocks = pattern->encryptBlocks;
info->pattern.skipBlocks = pattern->skipBlocks;
}
EXPORT
AMediaCodecCryptoInfo *AMediaCodecCryptoInfo_new(
int numsubsamples,
uint8_t key[16],
uint8_t iv[16],
cryptoinfo_mode_t mode,
size_t *clearbytes,
size_t *encryptedbytes) {
// size needed to store all the crypto data
size_t cryptosize;
// = sizeof(AMediaCodecCryptoInfo) + sizeof(size_t) * numsubsamples * 2;
if (__builtin_mul_overflow(sizeof(size_t) * 2, numsubsamples, &cryptosize) ||
__builtin_add_overflow(cryptosize, sizeof(AMediaCodecCryptoInfo), &cryptosize)) {
ALOGE("crypto size overflow");
return NULL;
}
AMediaCodecCryptoInfo *ret = (AMediaCodecCryptoInfo*) malloc(cryptosize);
if (!ret) {
ALOGE("couldn't allocate %zu bytes", cryptosize);
return NULL;
}
ret->numsubsamples = numsubsamples;
memcpy(ret->key, key, 16);
memcpy(ret->iv, iv, 16);
ret->mode = mode;
ret->pattern.encryptBlocks = 0;
ret->pattern.skipBlocks = 0;
// clearbytes and encryptedbytes point at the actual data, which follows
ret->clearbytes = (size_t*) (ret + 1); // point immediately after the struct
ret->encryptedbytes = ret->clearbytes + numsubsamples; // point after the clear sizes
memcpy(ret->clearbytes, clearbytes, numsubsamples * sizeof(size_t));
memcpy(ret->encryptedbytes, encryptedbytes, numsubsamples * sizeof(size_t));
return ret;
}
EXPORT
media_status_t AMediaCodecCryptoInfo_delete(AMediaCodecCryptoInfo* info) {
free(info);
return AMEDIA_OK;
}
EXPORT
size_t AMediaCodecCryptoInfo_getNumSubSamples(AMediaCodecCryptoInfo* ci) {
return ci->numsubsamples;
}
EXPORT
media_status_t AMediaCodecCryptoInfo_getKey(AMediaCodecCryptoInfo* ci, uint8_t *dst) {
if (!ci) {
return AMEDIA_ERROR_INVALID_OBJECT;
}
if (!dst) {
return AMEDIA_ERROR_INVALID_PARAMETER;
}
memcpy(dst, ci->key, 16);
return AMEDIA_OK;
}
EXPORT
media_status_t AMediaCodecCryptoInfo_getIV(AMediaCodecCryptoInfo* ci, uint8_t *dst) {
if (!ci) {
return AMEDIA_ERROR_INVALID_OBJECT;
}
if (!dst) {
return AMEDIA_ERROR_INVALID_PARAMETER;
}
memcpy(dst, ci->iv, 16);
return AMEDIA_OK;
}
EXPORT
cryptoinfo_mode_t AMediaCodecCryptoInfo_getMode(AMediaCodecCryptoInfo* ci) {
if (!ci) {
return (cryptoinfo_mode_t) AMEDIA_ERROR_INVALID_OBJECT;
}
return ci->mode;
}
EXPORT
media_status_t AMediaCodecCryptoInfo_getClearBytes(AMediaCodecCryptoInfo* ci, size_t *dst) {
if (!ci) {
return AMEDIA_ERROR_INVALID_OBJECT;
}
if (!dst) {
return AMEDIA_ERROR_INVALID_PARAMETER;
}
memcpy(dst, ci->clearbytes, sizeof(size_t) * ci->numsubsamples);
return AMEDIA_OK;
}
EXPORT
media_status_t AMediaCodecCryptoInfo_getEncryptedBytes(AMediaCodecCryptoInfo* ci, size_t *dst) {
if (!ci) {
return AMEDIA_ERROR_INVALID_OBJECT;
}
if (!dst) {
return AMEDIA_ERROR_INVALID_PARAMETER;
}
memcpy(dst, ci->encryptedbytes, sizeof(size_t) * ci->numsubsamples);
return AMEDIA_OK;
}
EXPORT const char* AMEDIACODEC_KEY_HDR10_PLUS_INFO = AMEDIAFORMAT_KEY_HDR10_PLUS_INFO;
EXPORT const char* AMEDIACODEC_KEY_LOW_LATENCY = AMEDIAFORMAT_KEY_LOW_LATENCY;
EXPORT const char* AMEDIACODEC_KEY_OFFSET_TIME = "time-offset-us";
EXPORT const char* AMEDIACODEC_KEY_REQUEST_SYNC_FRAME = "request-sync";
EXPORT const char* AMEDIACODEC_KEY_SUSPEND = "drop-input-frames";
EXPORT const char* AMEDIACODEC_KEY_SUSPEND_TIME = "drop-start-time-us";
EXPORT const char* AMEDIACODEC_KEY_VIDEO_BITRATE = "video-bitrate";
} // extern "C"