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droidmediacodec.cpp
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droidmediacodec.cpp
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/*
* Copyright (C) 2021 Open Mobile Platform LLC.
* Copyright (C) 2014-2015 Jolla Ltd.
*
* 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.
*
* Authored by: Mohammed Hassan <[email protected]>
*/
#if ANDROID_MAJOR >= 9
#include <media/stagefright/omx/1.0/Omx.h>
#elif ANDROID_MAJOR >= 8
#include <media/stagefright/omx/OMX.h>
#else
#include <media/stagefright/OMXClient.h>
#endif
#include <media/stagefright/MediaCodecList.h>
// MediaCodecSource should be used instead of OMXCodec from Android 5
#if ANDROID_MAJOR >= 5
#include <media/stagefright/MediaBuffer.h>
#include <media/stagefright/MediaCodecSource.h>
#include <media/stagefright/MediaCodec.h>
#include <media/openmax/OMX_Video.h>
#include <media/openmax/OMX_Audio.h>
#include <media/stagefright/ACodec.h>
#include <media/stagefright/foundation/ALooper.h>
#include <media/stagefright/foundation/AMessage.h>
#endif
#include "mediabuffers.h"
#if ANDROID_MAJOR < 7
#include <media/stagefright/OMXCodec.h>
#else
#include <media/hardware/MetadataBufferType.h>
#include "AsyncCodecSource.h"
#endif
#if ANDROID_MAJOR >= 9 && ANDROID_MAJOR <= 10
#include <media/MediaSource.h>
#else
#include <media/stagefright/MediaSource.h>
#endif
#include <media/stagefright/MetaData.h>
#include <media/stagefright/MediaDefs.h>
#include <gui/BufferQueue.h>
#include <inttypes.h>
#include "droidmediacodec.h"
#if ANDROID_MAJOR < 8
#include "allocator.h"
#endif
#include "private.h"
#include "droidmediabuffer.h"
#undef LOG_TAG
#define LOG_TAG "DroidMediaCodec"
#define DROID_MEDIA_CODEC_MAX_INPUT_BUFFERS 5
#define SET_PARAM(k,v) \
if (meta->v >= 0) { \
md->setInt32(android::k, meta->v); \
}
struct DroidMediaCodecMetaDataKey {
const char *mime;
int key;
int type;
} metaDataKeys[] = {
#if ANDROID_MAJOR >= 10
{android::MEDIA_MIMETYPE_VIDEO_AV1, android::kKeyAV1C, android::kKeyAV1C},
#endif
#if ANDROID_MAJOR >= 5
{android::MEDIA_MIMETYPE_VIDEO_HEVC, android::kKeyHVCC, android::kKeyHVCC},
#endif
{android::MEDIA_MIMETYPE_VIDEO_MPEG4, android::kKeyESDS, android::kTypeESDS},
{android::MEDIA_MIMETYPE_AUDIO_AAC, android::kKeyESDS, android::kTypeESDS},
{android::MEDIA_MIMETYPE_VIDEO_AVC, android::kKeyAVCC, android::kTypeAVCC},
{NULL, 0, 0}
};
class Source : public android::MediaSource {
public:
Source(android::sp<android::MetaData>& metaData) :
m_metaData(metaData),
m_running(false),
m_draining(false)
{
}
void unlock() {
m_framesReceived.lock.lock();
m_framesReceived.cond.broadcast();
m_framesReceived.lock.unlock();
}
// After this is called all new buffers will be rejected. get() will still return any already
// queued buffers but once the queue has been emptied it will return a null buffer indicating
// the end of the stream. There is no coming back from this.
void drain() {
m_framesReceived.lock.lock();
m_draining = true;
m_framesReceived.cond.broadcast();
m_framesReceived.lock.unlock();
}
void add(android::MediaBuffer *buffer) {
m_framesReceived.lock.lock();
// drain buffer gets added without checking to avoid a deadlock
while (!m_draining) {
// TODO: I am not sure this is the right approach here.
if (m_framesReceived.buffers.size() < DROID_MEDIA_CODEC_MAX_INPUT_BUFFERS) {
m_framesReceived.buffers.push_back(buffer);
m_framesReceived.cond.signal();
m_framesReceived.lock.unlock();
return;
}
// either get() will signal us or we will be signaled in case of an error
m_framesReceived.cond.wait(m_framesReceived.lock);
}
m_framesReceived.lock.unlock();
buffer->release();
}
android::MediaBuffer *get() {
m_framesReceived.lock.lock();
for (;;) {
if (!m_running) {
m_framesReceived.lock.unlock();
return NULL;
}
if (!m_framesReceived.buffers.empty()) {
android::List<android::MediaBuffer *>::iterator iter = m_framesReceived.buffers.begin();
android::MediaBuffer *buffer = *iter;
m_framesReceived.buffers.erase(iter);
m_framesReceived.cond.signal();
m_framesReceived.lock.unlock();
m_framesBeingProcessed.lock.lock();
m_framesBeingProcessed.buffers.push_back(buffer);
m_framesBeingProcessed.lock.unlock();
return buffer;
}
if (m_draining) {
m_framesReceived.lock.unlock();
return NULL;
}
m_framesReceived.cond.wait(m_framesReceived.lock);
}
// unreachable
return NULL;
}
void removeProcessedBuffer(android::MediaBuffer *buffer) {
m_framesBeingProcessed.lock.lock();
for (android::List<android::MediaBuffer *>::iterator iter = m_framesBeingProcessed.buffers.begin();
iter != m_framesBeingProcessed.buffers.end(); iter++) {
if (*iter == buffer) {
m_framesBeingProcessed.buffers.erase(iter);
m_framesBeingProcessed.cond.signal();
m_framesBeingProcessed.lock.unlock();
return;
}
}
m_framesBeingProcessed.lock.unlock();
ALOGW("A buffer we don't know about is being finished!");
}
void flush() {
m_framesReceived.lock.lock();
while (!m_framesReceived.buffers.empty()) {
android::List<android::MediaBuffer *>::iterator iter = m_framesReceived.buffers.begin();
android::MediaBuffer *buffer = *iter;
m_framesReceived.buffers.erase(iter);
if (buffer) {
buffer->release();
}
}
m_framesReceived.lock.unlock();
}
private:
android::status_t start(android::MetaData *meta DM_UNUSED) {
m_running = true;
return android::OK;
}
android::sp<android::MetaData> getFormat() {
// TODO: The only way to pass rotation is via a key here kKeyRotation
return m_metaData;
}
android::status_t stop() {
// Mark as not running
m_framesReceived.lock.lock();
m_running = false;
// Just in case get() is waiting for a buffer
m_framesReceived.cond.signal();
m_framesReceived.lock.unlock();
// Now clear all the buffers:
flush();
m_framesBeingProcessed.lock.lock();
while (!m_framesBeingProcessed.buffers.empty()) {
ALOGW("stop(): waiting for %zu frames", m_framesBeingProcessed.buffers.size());
m_framesBeingProcessed.cond.wait(m_framesBeingProcessed.lock);
}
m_framesBeingProcessed.lock.unlock();
return android::OK;
}
#if ANDROID_MAJOR >= 9
android::status_t read(android::MediaBufferBase **buffer,
#else
android::status_t read(android::MediaBuffer **buffer,
#endif
const android::MediaSource::ReadOptions *options DM_UNUSED = NULL) {
*buffer = get();
if (*buffer) {
return android::OK;
} else {
return android::NOT_ENOUGH_DATA;
}
}
android::sp<android::MetaData> m_metaData;
bool m_running;
bool m_draining;
Buffers<android::MediaBuffer*> m_framesReceived;
Buffers<android::MediaBuffer*> m_framesBeingProcessed;
};
class InputBuffer : public android::MediaBuffer {
public:
InputBuffer(void *data, size_t size, void *cb_data, DroidMediaCallback unref) :
android::MediaBuffer(data, size),
m_cb_data(cb_data),
m_unref(unref) {
}
~InputBuffer() {
}
void *m_cb_data;
DroidMediaCallback m_unref;
};
struct _DroidMediaCodec : public android::MediaBufferObserver
{
_DroidMediaCodec() :
m_cb_data(0),
m_data_cb_data(0) {
memset(&m_cb, 0x0, sizeof(m_cb));
memset(&m_data_cb, 0x0, sizeof(m_data_cb));
}
~_DroidMediaCodec() {
m_codec.clear();
m_src.clear();
m_queue.clear();
m_window.clear();
m_thread.clear();
#if ANDROID_MAJOR >= 5
m_looper->stop();
#endif
}
#if ANDROID_MAJOR >= 9
void signalBufferReturned(android::MediaBufferBase *buff)
#else
void signalBufferReturned(android::MediaBuffer *buff)
#endif
{
InputBuffer *buffer = (InputBuffer *) buff;
m_src->removeProcessedBuffer(buffer);
buffer->m_unref(buffer->m_cb_data);
// TODO: android does that
buff->setObserver(0);
buff->release();
}
bool notifySizeChanged() {
android::sp<android::MetaData> meta = m_codec->getFormat();
int32_t width = 0, height = 0;
if (!meta->findInt32(android::kKeyWidth, &width) ||
!meta->findInt32(android::kKeyHeight, &height)) {
ALOGW("notifySizeChanged without dimensions");
return true;
}
ALOGI("notifySizeChanged: width = %d, height = %d", width, height);
if (m_cb.size_changed) {
return m_cb.size_changed (m_cb_data, width, height) == 0 ? true : false;
}
return true;
}
android::sp<android::MediaSource> m_codec;
android::sp<Source> m_src;
android::sp<DroidMediaBufferQueue> m_queue;
android::sp<ANativeWindow> m_window;
#if ANDROID_MAJOR >= 5
android::sp<android::ALooper> m_looper;
#endif
android::sp<android::Thread> m_thread;
bool m_useExternalLoop;
DroidMediaCodecCallbacks m_cb;
void *m_cb_data;
DroidMediaCodecDataCallbacks m_data_cb;
void *m_data_cb_data;
};
class DroidMediaCodecLoop : public android::Thread {
public:
DroidMediaCodecLoop(DroidMediaCodec *codec) :
Thread(false),
m_codec(codec) {
}
bool threadLoop() {
return droid_media_codec_loop (m_codec) == DROID_MEDIA_CODEC_LOOP_OK ? true : false;
}
private:
DroidMediaCodec *m_codec;
};
class DroidMediaCodecBuilder {
public:
DroidMediaCodecBuilder(DroidMediaCodecEncoderMetaData *meta) :
m_enc(meta), m_dec(NULL) {}
DroidMediaCodecBuilder(DroidMediaCodecDecoderMetaData *meta) :
m_enc(NULL), m_dec(meta) {}
android::sp<android::MediaSource> createCodec(android::sp<android::MediaSource> src,
android::sp<ANativeWindow> window,
#if ANDROID_MAJOR >= 5
android::sp<android::ALooper> looper = NULL,
#endif
android::sp<android::MetaData> md = NULL
) {
if (md == NULL) {
md = buildMetaData();
}
if (md == NULL) {
return NULL;
}
#if ANDROID_MAJOR >= 5
const char *mime;
if (!md->findCString(android::kKeyMIMEType, &mime)) {
ALOGE("No mime type declared for codec");
return NULL;
}
if (isEncoder()) {
if (!strncmp("video", mime, 5)) {
android::sp<android::AMessage> format = new android::AMessage();
format->setString("mime", mime);
ALOGW("Creating video encoder for %s", mime);
int32_t width, height, stride, sliceh, colour, frames, maxinput, bitrate, iframes;
if (md->findInt32(android::kKeyWidth, &width)) {
format->setInt32("width", width);
}
if (md->findInt32(android::kKeyHeight, &height)) {
format->setInt32("height", height);
}
if (md->findInt32(android::kKeyStride, &stride)) {
format->setInt32("stride", stride);
}
if (md->findInt32(android::kKeySliceHeight, &sliceh)) {
format->setInt32("slice-height", sliceh);
}
if (md->findInt32(android::kKeyColorFormat, &colour)) {
format->setInt32("color-format", colour);
}
if (md->findInt32(android::kKeyFrameRate, &frames)) {
format->setInt32("frame-rate", frames);
}
if (md->findInt32(android::kKeyMaxInputSize, &maxinput)) {
format->setInt32("max-input-size", maxinput);
}
if (md->findInt32(android::kKeyBitRate, &bitrate)) {
format->setInt32("bitrate", bitrate);
}
if (md->findInt32(android::kKeyIFramesInterval, &iframes)) {
format->setInt32("i-frame-interval", iframes);
}
#if ANDROID_MAJOR >= 7
if (m_enc->meta_data) {
format->setInt32("android._input-metadata-buffer-type", m_enc->meta_data);
format->setInt32("android._store-metadata-in-buffers-output", false);
}
format->setInt32("android._using-recorder", 1);
#endif
if (!strcmp (mime, android::MEDIA_MIMETYPE_VIDEO_AVC)) {
int32_t profile = m_enc->codec_specific.h264.profile;
int32_t level = m_enc->codec_specific.h264.level;
if (!profile) {
profile = OMX_VIDEO_AVCProfileBaseline;
}
if (!level) {
level = android::ACodec::getAVCLevelFor(width, height, frames, bitrate,
#if (ANDROID_MAJOR == 8 && ANDROID_MINOR >= 1) || ANDROID_MAJOR >= 9
(OMX_VIDEO_AVCPROFILEEXTTYPE)profile);
#else
(OMX_VIDEO_AVCPROFILETYPE)profile);
#endif
}
format->setInt32("profile", profile);
format->setInt32("level", level);
if (m_enc->codec_specific.h264.prepend_header_to_sync_frames) {
format->setInt32("prepend-sps-pps-to-idr-frames", 1);
}
if (m_enc->bitrate_mode != DROID_MEDIA_CODEC_BITRATE_CONTROL_DEFAULT) {
format->setInt32("bitrate-mode", m_enc->bitrate_mode);
}
}
//TODO: time-scale
#if ANDROID_MAJOR > 6
return android::AsyncCodecSource::Create(src, format, true /* isEncoder */,
flags(), window, looper);
#elif ANDROID_MAJOR == 6
return android::MediaCodecSource::Create(looper, format, src, NULL, flags());
#else
return android::MediaCodecSource::Create(looper, format, src, flags());
#endif
}
else {
android::sp<android::AMessage> format = new android::AMessage();
format->setString("mime", mime);
ALOGW("Creating audio encoder for %s", mime);
if (!strcmp (mime, android::MEDIA_MIMETYPE_AUDIO_AAC)) {
format->setInt32("aac-profile", OMX_AUDIO_AACObjectLC);
}
int32_t maxinput, channels, samplerate, bitrate;
if (md->findInt32(android::kKeyMaxInputSize, &maxinput)) {
format->setInt32("max-input-size", maxinput);
}
if (md->findInt32(android::kKeyChannelCount, &channels)) {
format->setInt32("channel-count", channels);
}
if (md->findInt32(android::kKeySampleRate, &samplerate)) {
format->setInt32("sample-rate", samplerate);
}
if (md->findInt32(android::kKeyBitRate, &bitrate)) {
format->setInt32("bitrate", bitrate);
}
return android::MediaCodecSource::Create(looper, format, src);
}
}
#endif
#if ANDROID_MAJOR < 7
android::OMXClient omx;
if (omx.connect() != android::OK) {
ALOGE("Failed to connect to OMX");
return NULL;
}
return android::OMXCodec::Create(omx.interface(),
md,
isEncoder(),
src,
NULL, flags(), window);
#else
return android::AsyncCodecSource::Create(src, nullptr, false /* isEncoder */,
flags(), window, looper, nullptr,
(OMX_COLOR_FORMATTYPE)m_dec->color_format);
#endif
}
bool isEncoder() { return m_enc != NULL; }
DroidMediaCodecMetaData *meta() {
if (m_enc) {
return (DroidMediaCodecMetaData *)m_enc;
} else if (m_dec) {
return (DroidMediaCodecMetaData *)m_dec;
} else {
return NULL;
}
}
android::sp<android::MetaData> buildMetaData() {
if (isEncoder()) {
return buildMetaData(m_enc);
} else {
return buildMetaData(m_dec);
}
}
uint32_t flags() {
if (isEncoder()) {
return flags(m_enc);
} else {
return flags(m_dec);
}
}
static uint32_t flags(DroidMediaCodecMetaData *meta, uint32_t currentFlags) {
// We will not do any validation for the flags. Stagefright should take care of that.
if (meta->flags & DROID_MEDIA_CODEC_SW_ONLY) {
#if ANDROID_MAJOR < 7
currentFlags |= android::OMXCodec::kSoftwareCodecsOnly;
#else
currentFlags |= android::MediaCodecList::kPreferSoftwareCodecs;
#endif
}
if (meta->flags & DROID_MEDIA_CODEC_HW_ONLY) {
#if ANDROID_MAJOR < 7
currentFlags |= android::OMXCodec::kHardwareCodecsOnly;
#else
currentFlags |= android::MediaCodecList::kHardwareCodecsOnly;
#endif
}
return currentFlags;
}
private:
android::sp<android::MetaData> buildMetaData(DroidMediaCodecEncoderMetaData *meta) {
android::sp<android::MetaData> md(new android::MetaData);
SET_PARAM(kKeyMaxInputSize, max_input_size);
SET_PARAM(kKeyBitRate, bitrate);
SET_PARAM(kKeyStride, stride);
SET_PARAM(kKeySliceHeight, slice_height);
SET_PARAM(kKeyColorFormat, color_format);
// TODO: This is hardcoded for now. Fix it.
md->setInt32(android::kKeyIFramesInterval, 2);
// TODO: kKeyHFR
return buildMetaData((DroidMediaCodecMetaData *)meta, md);
}
android::sp<android::MetaData> buildMetaData(DroidMediaCodecDecoderMetaData *meta) {
android::sp<android::MetaData> md(new android::MetaData);
if (meta->codec_data.size > 0) {
const char *mime = ((DroidMediaCodecMetaData *)meta)->type;
DroidMediaCodecMetaDataKey *key = metaDataKeys;
while (key->mime) {
if (!strcmp (key->mime, mime)) {
md->setData(key->key, key->type, meta->codec_data.data, meta->codec_data.size);
return buildMetaData((DroidMediaCodecMetaData *)meta, md);
}
++key;
}
ALOGE("No handler for codec data for %s", ((DroidMediaCodecMetaData *)meta)->type);
return NULL;
}
return buildMetaData((DroidMediaCodecMetaData *)meta, md);
}
uint32_t flags(DroidMediaCodecEncoderMetaData *meta) {
#if ANDROID_MAJOR >= 7
return flags((DroidMediaCodecMetaData *)meta, 0);
#else
return flags((DroidMediaCodecMetaData *)meta, meta->meta_data ?
#if ANDROID_MAJOR >= 5
android::MediaCodecSource::FLAG_USE_METADATA_INPUT
#else
android::OMXCodec::kStoreMetaDataInVideoBuffers
#endif
: 0);
#endif
}
uint32_t flags(DroidMediaCodecDecoderMetaData *meta) {
return flags((DroidMediaCodecMetaData *)meta, 0);
}
android::sp<android::MetaData> buildMetaData(DroidMediaCodecMetaData *meta,
android::sp<android::MetaData> md) {
md->setCString(android::kKeyMIMEType, meta->type);
SET_PARAM(kKeyWidth, width);
SET_PARAM(kKeyHeight, height);
SET_PARAM(kKeyDisplayWidth, width);
SET_PARAM(kKeyDisplayHeight, height);
SET_PARAM(kKeyFrameRate, fps);
SET_PARAM(kKeyChannelCount, channels);
SET_PARAM(kKeySampleRate, sample_rate);
return md;
}
DroidMediaCodecEncoderMetaData *m_enc;
DroidMediaCodecDecoderMetaData *m_dec;
};
android::sp<android::MediaSource> droid_media_codec_create_encoder_raw(DroidMediaCodecEncoderMetaData *meta,
#if ANDROID_MAJOR >=5
android::sp<android::ALooper> looper,
#endif
android::sp<android::MediaSource> src)
{
DroidMediaCodecBuilder builder(meta);
#if ANDROID_MAJOR >=5
return builder.createCodec(src, NULL, looper);
#else
return builder.createCodec(src, NULL);
#endif
}
extern "C" {
DroidMediaBufferQueue *droid_media_codec_get_buffer_queue (DroidMediaCodec *codec)
{
return codec->m_queue.get();
}
DroidMediaCodec *droid_media_codec_create(DroidMediaCodecBuilder& builder)
{
android::sp<android::MetaData> md(builder.buildMetaData());
if (md == NULL) {
return NULL;
}
android::sp<Source> src(new Source(md));
android::sp<DroidMediaBufferQueue> queue;
android::sp<ANativeWindow> window = NULL;
DroidMediaCodecMetaData *meta = builder.meta();
if (builder.isEncoder()
|| meta->flags & DROID_MEDIA_CODEC_SW_ONLY
|| meta->flags & DROID_MEDIA_CODEC_NO_MEDIA_BUFFER) {
// Nothing
} else {
queue = new DroidMediaBufferQueue("DroidMediaCodecBufferQueue");
window = queue->window();
#if ANDROID_MAJOR >= 7
if (!queue->connectListener()) {
ALOGE("Failed to connect buffer queue listener");
return NULL;
}
#endif
}
#if ANDROID_MAJOR >= 5
android::sp<android::ALooper> looper = new android::ALooper;
looper->setName("DroidMediaCodecLoop");
looper->start();
android::sp<android::MediaSource> codec = builder.createCodec(src, window, looper, md);
#else
android::sp<android::MediaSource> codec = builder.createCodec(src, window, md);
#endif
if (codec == NULL) {
ALOGE("Failed to create codec");
return NULL;
}
DroidMediaCodec *mediaCodec = new DroidMediaCodec;
mediaCodec->m_codec = codec;
mediaCodec->m_src = src;
mediaCodec->m_queue = queue;
mediaCodec->m_window = window;
#if ANDROID_MAJOR >= 5
mediaCodec->m_looper = looper;
#endif
mediaCodec->m_useExternalLoop = (meta->flags & DROID_MEDIA_CODEC_USE_EXTERNAL_LOOP) ? true : false;
return mediaCodec;
}
DroidMediaCodec *droid_media_codec_create_decoder(DroidMediaCodecDecoderMetaData *meta)
{
DroidMediaCodecBuilder builder(meta);
return droid_media_codec_create(builder);
}
DroidMediaCodec *droid_media_codec_create_encoder(DroidMediaCodecEncoderMetaData *meta)
{
DroidMediaCodecBuilder builder(meta);
return droid_media_codec_create(builder);
}
bool droid_media_codec_is_supported(DroidMediaCodecMetaData *meta, bool encoder)
{
#if ANDROID_MAJOR == 4 && ANDROID_MINOR < 2
android::Vector<android::String8> matchingCodecs;
#elif ANDROID_MAJOR < 7
android::Vector<android::OMXCodec::CodecNameAndQuirks> matchingCodecs;
#else
android::Vector<android::AString> matchingCodecs;
#endif
#if ANDROID_MAJOR < 7
android::OMXCodec::findMatchingCodecs(
meta->type, encoder, NULL,
#else
android::MediaCodecList::findMatchingCodecs(
meta->type, encoder,
#endif
DroidMediaCodecBuilder::flags(meta, 0),
&matchingCodecs);
return matchingCodecs.size() > 0;
}
unsigned int droid_media_codec_get_supported_color_formats(DroidMediaCodecMetaData *meta, int encoder, uint32_t *formats, unsigned int maxFormats)
{
#if ANDROID_MAJOR >= 5
android::sp<android::MediaCodecList::IMediaCodecList> list = android::MediaCodecList::getInstance();
#else
const android::MediaCodecList *list = android::MediaCodecList::getInstance();
#endif
#if ANDROID_MAJOR == 4 && ANDROID_MINOR < 2
android::Vector<android::String8> matchingCodecs;
#elif ANDROID_MAJOR < 7
android::Vector<android::OMXCodec::CodecNameAndQuirks> matchingCodecs;
#else
android::Vector<android::AString> matchingCodecs;
#endif
#if ANDROID_MAJOR < 7
android::OMXCodec::findMatchingCodecs(
meta->type, encoder, NULL,
#else
android::MediaCodecList::findMatchingCodecs(
meta->type, encoder,
#endif
DroidMediaCodecBuilder::flags(meta, 0),
&matchingCodecs);
if (matchingCodecs.size() > 0) {
const char *matchName;
#if ANDROID_MAJOR == 4 && ANDROID_MINOR < 2
matchName = matchingCodecs.itemAt(0).string();
#elif ANDROID_MAJOR < 7
matchName = matchingCodecs.itemAt(0).mName.string();
#else
matchName = matchingCodecs.itemAt(0).c_str();
#endif
ssize_t matchIndex = list->findCodecByName(matchName);
#if ANDROID_MAJOR >= 5
const android::sp<android::MediaCodecInfo> info = list->getCodecInfo(matchIndex);
if (info != NULL) {
const android::sp<android::MediaCodecInfo::Capabilities> caps = info->getCapabilitiesFor(meta->type);
if (caps != NULL) {
android::Vector<uint32_t> colorFormats;
caps->getSupportedColorFormats(&colorFormats);
if (maxFormats > colorFormats.size()) {
maxFormats = colorFormats.size();
}
for (unsigned int i = 0; i < maxFormats; i++) {
formats[i] = colorFormats.itemAt(i);
}
return maxFormats;
}
}
#else
android::Vector<android::MediaCodecList::ProfileLevel> profileLevels;
android::Vector<uint32_t> colorFormats;
uint32_t flags;
android::status_t err = android::MediaCodecList::getInstance()->getCodecCapabilities(
matchIndex, meta->type, &profileLevels, &colorFormats, &flags);
if (err == android::OK) {
if (maxFormats > colorFormats.size()) {
maxFormats = colorFormats.size();
}
for (unsigned int i = 0; i < maxFormats; i++) {
formats[i] = colorFormats.itemAt(i);
}
return maxFormats;
}
#endif
}
return 0;
}
bool droid_media_codec_start(DroidMediaCodec *codec)
{
#if ANDROID_MAJOR < 7
if (codec->m_queue.get() != NULL) {
if (!codec->m_queue->connectListener()) {
ALOGE("Failed to connect buffer queue listener");
return false;
}
android::status_t err = native_window_api_connect(codec->m_window.get(),
NATIVE_WINDOW_API_MEDIA);
if (err != android::NO_ERROR) {
ALOGE("Failed to connect window");
return false;
}
}
#endif
int err = codec->m_codec->start();
if (err != android::OK) {
ALOGE("error 0x%x starting codec", -err);
return false;
}
return true;
}
void droid_media_codec_stop(DroidMediaCodec *codec)
{
if (codec->m_queue.get()) {
codec->m_queue->disconnectListener();
}
if (codec->m_thread != NULL) {
codec->m_thread->requestExit();
// in case the thread is waiting in ->read()
droid_media_codec_drain (codec);
}
#if ANDROID_MAJOR < 7
// On older devices the reader thread must be stopped first.
if (codec->m_thread != NULL) {
int err = codec->m_thread->requestExitAndWait();
if (err != android::NO_ERROR) {
ALOGE("Error 0x%x stopping thread", -err);
}
codec->m_thread.clear();
}
// All buffers are returned to HAL, it is safe to stop now.
int err = codec->m_codec->stop();
if (err != android::OK) {
ALOGE("error 0x%x stopping codec", -err);
}
#else
// Wake up AsyncCodecSource and send EOS to it.
int err = codec->m_codec->stop();
if (err != android::OK) {
ALOGE("error 0x%x stopping codec", -err);
}
if (codec->m_thread != NULL) {
int err = codec->m_thread->requestExitAndWait();
if (err != android::NO_ERROR) {
ALOGE("Error 0x%x stopping thread", -err);
}
codec->m_thread.clear();
}
#endif
if (codec->m_queue.get()) {
codec->m_queue->buffersReleased();
}
}
void droid_media_codec_destroy(DroidMediaCodec *codec)
{
delete codec;
}
void droid_media_codec_queue(DroidMediaCodec *codec, DroidMediaCodecData *data, DroidMediaBufferCallbacks *cb)
{
InputBuffer *buffer = new InputBuffer(data->data.data, data->data.size, cb->data, cb->unref);
#if ANDROID_MAJOR >= 9
buffer->meta_data().setInt32(android::kKeyIsSyncFrame, data->sync ? 1 : 0);
buffer->meta_data().setInt64(android::kKeyTime, data->ts);
#else
buffer->meta_data()->setInt32(android::kKeyIsSyncFrame, data->sync ? 1 : 0);
buffer->meta_data()->setInt64(android::kKeyTime, data->ts);
#endif
buffer->setObserver(codec);
buffer->set_range(0, data->data.size);
buffer->add_ref();
codec->m_src->add(buffer);
if (codec->m_useExternalLoop) {
return;
}
// Now start our looping thread
if (codec->m_thread == NULL) {
codec->m_thread = new DroidMediaCodecLoop(codec);
int err = codec->m_thread->run("DroidMediaCodecLoop");
if (err != android::NO_ERROR) {
ALOGE("Error 0x%x starting thread", -err);
if (codec->m_cb.error) {
codec->m_cb.error(codec->m_cb_data, err);
}
codec->m_thread.clear();
}
}
}
DroidMediaCodecLoopReturn droid_media_codec_loop(DroidMediaCodec *codec)
{
int err;
android::MediaBuffer *buffer = NULL;
#if ANDROID_MAJOR >= 9
err = codec->m_codec->read((android::MediaBufferBase **)&buffer);
#else
err = codec->m_codec->read(&buffer);
#endif
if (err == android::INFO_FORMAT_CHANGED) {
ALOGI("Format changed from codec");
if (codec->notifySizeChanged()) {
return DROID_MEDIA_CODEC_LOOP_OK;
} else {
return DROID_MEDIA_CODEC_LOOP_ERROR;
}
}
if (err == -EWOULDBLOCK
#if ANDROID_MAJOR >= 7
|| err == -ENODATA
#endif
) {
ALOGI("retry reading again. error: 0x%x", -err);
return DROID_MEDIA_CODEC_LOOP_OK;
}
if (err != android::OK) {
if (err == android::ERROR_END_OF_STREAM
#if ANDROID_MAJOR < 7
|| err == -ENODATA
#endif
) {