blob: 6920e512f98b399755b820e095107c755df13189 [file] [log] [blame]
/*
* Copyright 2015 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 "MediaCodecListOverrides"
#include <utils/Log.h>
#include "MediaCodecListOverrides.h"
#include <cutils/properties.h>
#include <gui/Surface.h>
#include <media/ICrypto.h>
#include <media/IMediaCodecList.h>
#include <media/MediaCodecInfo.h>
#include <media/MediaResourcePolicy.h>
#include <media/openmax/OMX_IVCommon.h>
#include <media/stagefright/foundation/AMessage.h>
#include <media/stagefright/MediaCodec.h>
#include <media/stagefright/MediaCodecList.h>
namespace android {
AString getProfilingVersionString() {
char val[PROPERTY_VALUE_MAX];
if (property_get("ro.build.display.id", val, NULL) && (strlen(val) > 0)) {
return AStringPrintf("<!-- Profiled-with: %s -->", val);
}
return "<!-- Profiled-with: UNKNOWN_BUILD_ID -->";
}
// a limit to avoid allocating unreasonable number of codec instances in the measurement.
// this should be in sync with the MAX_SUPPORTED_INSTANCES defined in MediaCodecInfo.java.
static const int kMaxInstances = 32;
// TODO: move MediaCodecInfo to C++. Until then, some temp methods to parse out info.
static bool getMeasureSize(const sp<MediaCodecInfo::Capabilities> &caps, int32_t *width, int32_t *height) {
AString sizeRange;
if (!caps->getDetails()->findString("size-range", &sizeRange)) {
return false;
}
AString minSize;
AString maxSize;
if (!splitString(sizeRange, "-", &minSize, &maxSize)) {
return false;
}
AString sWidth;
AString sHeight;
if (!splitString(minSize, "x", &sWidth, &sHeight)) {
if (!splitString(minSize, "*", &sWidth, &sHeight)) {
return false;
}
}
*width = strtol(sWidth.c_str(), NULL, 10);
*height = strtol(sHeight.c_str(), NULL, 10);
return (*width > 0) && (*height > 0);
}
static void getMeasureBitrate(const sp<MediaCodecInfo::Capabilities> &caps, int32_t *bitrate) {
// Until have native MediaCodecInfo, we cannot get bitrates based on profile/levels.
// We use 200000 as default value for our measurement.
*bitrate = 200000;
AString bitrateRange;
if (!caps->getDetails()->findString("bitrate-range", &bitrateRange)) {
return;
}
AString minBitrate;
AString maxBitrate;
if (!splitString(bitrateRange, "-", &minBitrate, &maxBitrate)) {
return;
}
*bitrate = strtol(minBitrate.c_str(), NULL, 10);
}
static sp<AMessage> getMeasureFormat(
bool isEncoder, const AString &mime, const sp<MediaCodecInfo::Capabilities> &caps) {
sp<AMessage> format = new AMessage();
format->setString("mime", mime);
if (isEncoder) {
int32_t bitrate = 0;
getMeasureBitrate(caps, &bitrate);
format->setInt32("bitrate", bitrate);
format->setInt32("encoder", 1);
}
if (mime.startsWith("video/")) {
int32_t width = 0;
int32_t height = 0;
if (!getMeasureSize(caps, &width, &height)) {
return NULL;
}
format->setInt32("width", width);
format->setInt32("height", height);
Vector<uint32_t> colorFormats;
caps->getSupportedColorFormats(&colorFormats);
if (colorFormats.size() == 0) {
return NULL;
}
format->setInt32("color-format", colorFormats[0]);
format->setFloat("frame-rate", 10.0);
format->setInt32("i-frame-interval", 10);
} else {
// TODO: profile hw audio
return NULL;
}
return format;
}
static size_t doProfileCodecs(
bool isEncoder, const AString &name, const AString &mime, const sp<MediaCodecInfo::Capabilities> &caps) {
sp<AMessage> format = getMeasureFormat(isEncoder, mime, caps);
if (format == NULL) {
return 0;
}
ALOGV("doProfileCodecs %s %s %s %s",
name.c_str(), mime.c_str(), isEncoder ? "encoder" : "decoder",
format->debugString().c_str());
status_t err = OK;
Vector<sp<MediaCodec>> codecs;
while (err == OK && codecs.size() < kMaxInstances) {
sp<ALooper> looper = new ALooper;
looper->setName("MediaCodec_looper");
ALOGV("doProfileCodecs for codec #%zu", codecs.size());
ALOGV("doProfileCodecs start looper");
looper->start(
false /* runOnCallingThread */, false /* canCallJava */, ANDROID_PRIORITY_AUDIO);
ALOGV("doProfileCodecs CreateByComponentName");
sp<MediaCodec> codec = MediaCodec::CreateByComponentName(looper, name.c_str(), &err);
if (err != OK) {
ALOGV("Failed to create codec: %s", name.c_str());
break;
}
const sp<Surface> nativeWindow;
const sp<ICrypto> crypto;
uint32_t flags = isEncoder ? MediaCodec::CONFIGURE_FLAG_ENCODE : 0;
ALOGV("doProfileCodecs configure");
err = codec->configure(format, nativeWindow, crypto, flags);
if (err != OK) {
ALOGV("Failed to configure codec: %s with mime: %s", name.c_str(), mime.c_str());
codec->release();
break;
}
ALOGV("doProfileCodecs start");
err = codec->start();
if (err != OK) {
ALOGV("Failed to start codec: %s with mime: %s", name.c_str(), mime.c_str());
codec->release();
break;
}
codecs.push_back(codec);
}
for (size_t i = 0; i < codecs.size(); ++i) {
ALOGV("doProfileCodecs release %s", name.c_str());
err = codecs[i]->release();
if (err != OK) {
ALOGE("Failed to release codec: %s with mime: %s", name.c_str(), mime.c_str());
}
}
return codecs.size();
}
bool splitString(const AString &s, const AString &delimiter, AString *s1, AString *s2) {
ssize_t pos = s.find(delimiter.c_str());
if (pos < 0) {
return false;
}
*s1 = AString(s, 0, pos);
*s2 = AString(s, pos + 1, s.size() - pos - 1);
return true;
}
bool splitString(
const AString &s, const AString &delimiter, AString *s1, AString *s2, AString *s3) {
AString temp;
if (!splitString(s, delimiter, s1, &temp)) {
return false;
}
if (!splitString(temp, delimiter, s2, s3)) {
return false;
}
return true;
}
void profileCodecs(const std::vector<sp<MediaCodecInfo>> &infos,
const char* profilingResults) {
CodecSettings global_results;
KeyedVector<AString, CodecSettings> encoder_results;
KeyedVector<AString, CodecSettings> decoder_results;
profileCodecs(infos, &global_results, &encoder_results, &decoder_results);
exportResultsToXML(profilingResults, global_results, encoder_results, decoder_results);
}
void profileCodecs(
const std::vector<sp<MediaCodecInfo>> &infos,
CodecSettings *global_results,
KeyedVector<AString, CodecSettings> *encoder_results,
KeyedVector<AString, CodecSettings> *decoder_results,
bool forceToMeasure) {
KeyedVector<AString, sp<MediaCodecInfo::Capabilities>> codecsNeedMeasure;
AString supportMultipleSecureCodecs = "true";
for (const auto& info : infos) {
AString name = info->getCodecName();
if (name.startsWith("OMX.google.") ||
// TODO: reenable below codecs once fixed
name == "OMX.Intel.VideoDecoder.VP9.hybrid") {
continue;
}
Vector<AString> mimes;
info->getSupportedMimes(&mimes);
for (size_t i = 0; i < mimes.size(); ++i) {
const sp<MediaCodecInfo::Capabilities> &caps =
info->getCapabilitiesFor(mimes[i].c_str());
if (!forceToMeasure &&
(caps->getDetails()->contains("max-supported-instances") ||
caps->getDetails()->contains("max-concurrent-instances"))) {
continue;
}
size_t max = doProfileCodecs(info->isEncoder(), name, mimes[i], caps);
if (max > 0) {
CodecSettings settings;
char maxStr[32];
sprintf(maxStr, "%zu", max);
settings.add("max-supported-instances", maxStr);
AString key = name;
key.append(" ");
key.append(mimes[i]);
if (info->isEncoder()) {
encoder_results->add(key, settings);
} else {
decoder_results->add(key, settings);
}
if (name.endsWith(".secure")) {
if (max <= 1) {
supportMultipleSecureCodecs = "false";
}
}
}
}
}
global_results->add(kPolicySupportsMultipleSecureCodecs, supportMultipleSecureCodecs);
}
static AString globalResultsToXml(const CodecSettings &results) {
AString ret;
for (size_t i = 0; i < results.size(); ++i) {
AString setting = AStringPrintf(
" <Setting name=\"%s\" value=\"%s\" />\n",
results.keyAt(i).c_str(),
results.valueAt(i).c_str());
ret.append(setting);
}
return ret;
}
static AString codecResultsToXml(const KeyedVector<AString, CodecSettings> &results) {
AString ret;
for (size_t i = 0; i < results.size(); ++i) {
AString name;
AString mime;
if (!splitString(results.keyAt(i), " ", &name, &mime)) {
continue;
}
AString codec =
AStringPrintf(" <MediaCodec name=\"%s\" type=\"%s\" update=\"true\" >\n",
name.c_str(),
mime.c_str());
ret.append(codec);
const CodecSettings &settings = results.valueAt(i);
for (size_t i = 0; i < settings.size(); ++i) {
// WARNING: we assume all the settings are "Limit". Currently we have only one type
// of setting in this case, which is "max-supported-instances".
AString setting = AStringPrintf(
" <Limit name=\"%s\" value=\"%s\" />\n",
settings.keyAt(i).c_str(),
settings.valueAt(i).c_str());
ret.append(setting);
}
ret.append(" </MediaCodec>\n");
}
return ret;
}
void exportResultsToXML(
const char *fileName,
const CodecSettings &global_results,
const KeyedVector<AString, CodecSettings> &encoder_results,
const KeyedVector<AString, CodecSettings> &decoder_results) {
if (global_results.size() == 0 && encoder_results.size() == 0 && decoder_results.size() == 0) {
return;
}
AString overrides;
overrides.append(getProfilingVersionString());
overrides.append("\n");
overrides.append("<MediaCodecs>\n");
if (global_results.size() > 0) {
overrides.append(" <Settings>\n");
overrides.append(globalResultsToXml(global_results));
overrides.append(" </Settings>\n");
}
if (encoder_results.size() > 0) {
overrides.append(" <Encoders>\n");
overrides.append(codecResultsToXml(encoder_results));
overrides.append(" </Encoders>\n");
}
if (decoder_results.size() > 0) {
overrides.append(" <Decoders>\n");
overrides.append(codecResultsToXml(decoder_results));
overrides.append(" </Decoders>\n");
}
overrides.append("</MediaCodecs>\n");
FILE *f = fopen(fileName, "wb");
if (f == NULL) {
ALOGE("Failed to open %s for writing.", fileName);
return;
}
if (fwrite(overrides.c_str(), 1, overrides.size(), f) != overrides.size()) {
ALOGE("Failed to write to %s.", fileName);
}
fclose(f);
}
} // namespace android