media: Remove the unused NdkMediaCodecBridge

media/base/android/media_codec_bridge.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/base/android/media_codec_bridge.h"
 
 #include <algorithm>
 #include <limits>
+#include <memory>
+#include <utility>
 
+#include "base/android/build_info.h"
+#include "base/android/jni_android.h"
+#include "base/android/jni_array.h"
+#include "base/android/jni_string.h"
 #include "base/logging.h"
+#include "base/numerics/safe_conversions.h"
 #include "base/strings/string_util.h"
+#include "jni/MediaCodecBridge_jni.h"
+#include "media/base/android/media_codec_util.h"
+#include "media/base/bit_reader.h"
 #include "media/base/subsample_entry.h"
 
+using base::android::AttachCurrentThread;
+using base::android::ConvertJavaStringToUTF8;
+using base::android::ConvertUTF8ToJavaString;
+using base::android::JavaIntArrayToIntVector;
+using base::android::ScopedJavaLocalRef;
+
+#define RETURN_ON_ERROR(condition)                             \
+  do {                                                         \
+    if (!(condition)) {                                        \
+      LOG(ERROR) << "Unable to parse AAC header: " #condition; \
+      return false;                                            \
+    }                                                          \
+  } while (0)
+
 namespace media {
+namespace {
 
-MediaCodecBridge::MediaCodecBridge() {}
+enum {
+  kBufferFlagSyncFrame = 1,    // BUFFER_FLAG_SYNC_FRAME
+  kBufferFlagEndOfStream = 4,  // BUFFER_FLAG_END_OF_STREAM
+  kConfigureFlagEncode = 1,    // CONFIGURE_FLAG_ENCODE
+};
 
-MediaCodecBridge::~MediaCodecBridge() {}
+const std::string AudioCodecToAndroidMimeType(const AudioCodec& codec) {
+  switch (codec) {
+    case kCodecMP3:
+      return "audio/mpeg";
+    case kCodecVorbis:
+      return "audio/vorbis";
+    case kCodecOpus:
+      return "audio/opus";
+    case kCodecAAC:
+      return "audio/mp4a-latm";
+    case kCodecAC3:
+      return "audio/ac3";
+    case kCodecEAC3:
+      return "audio/eac3";
+    default:
+      return std::string();
+  }
+}
+
+const std::string VideoCodecToAndroidMimeType(const VideoCodec& codec) {
+  switch (codec) {
+    case kCodecH264:
+      return "video/avc";
+    case kCodecHEVC:
+      return "video/hevc";
+    case kCodecVP8:
+      return "video/x-vnd.on2.vp8";
+    case kCodecVP9:
+      return "video/x-vnd.on2.vp9";
+    default:
+      return std::string();
+  }
+}
+
+static ScopedJavaLocalRef<jintArray>
+ToJavaIntArray(JNIEnv* env, std::unique_ptr<jint[]> native_array, int size) {
+  ScopedJavaLocalRef<jintArray> j_array(env, env->NewIntArray(size));
+  env->SetIntArrayRegion(j_array.obj(), 0, size, native_array.get());
+  return j_array;
+}
+
+}  // namespace
+
+MediaCodecBridge::MediaCodecBridge() = default;
+
+MediaCodecBridge::MediaCodecBridge(const std::string& mime,
+                                   bool is_secure,
+                                   MediaCodecDirection direction,
+                                   bool require_software_codec) {
+  JNIEnv* env = AttachCurrentThread();
+  DCHECK(!mime.empty());
+  ScopedJavaLocalRef<jstring> j_mime = ConvertUTF8ToJavaString(env, mime);
+  j_media_codec_.Reset(Java_MediaCodecBridge_create(
+      env, j_mime, is_secure, direction, require_software_codec));
+}
+
+MediaCodecBridge::~MediaCodecBridge() {
+  JNIEnv* env = AttachCurrentThread();
+  if (j_media_codec_.obj())
+    Java_MediaCodecBridge_release(env, j_media_codec_);
+}
+
+bool MediaCodecBridge::Start() {
+  JNIEnv* env = AttachCurrentThread();
+  return Java_MediaCodecBridge_start(env, j_media_codec_);
+}
+
+void MediaCodecBridge::Stop() {
+  JNIEnv* env = AttachCurrentThread();
+  Java_MediaCodecBridge_stop(env, j_media_codec_);
+}
+
+MediaCodecStatus MediaCodecBridge::Flush() {
+  JNIEnv* env = AttachCurrentThread();
+  return static_cast<MediaCodecStatus>(
+      Java_MediaCodecBridge_flush(env, j_media_codec_));
+}
+
+MediaCodecStatus MediaCodecBridge::GetOutputSize(gfx::Size* size) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> result =
+      Java_MediaCodecBridge_getOutputFormat(env, j_media_codec_);
+  MediaCodecStatus status = static_cast<MediaCodecStatus>(
+      Java_GetOutputFormatResult_status(env, result));
+  if (status == MEDIA_CODEC_OK) {
+    size->SetSize(Java_GetOutputFormatResult_width(env, result),
+                  Java_GetOutputFormatResult_height(env, result));
+  }
+  return status;
+}
+
+MediaCodecStatus MediaCodecBridge::GetOutputSamplingRate(int* sampling_rate) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> result =
+      Java_MediaCodecBridge_getOutputFormat(env, j_media_codec_);
+  MediaCodecStatus status = static_cast<MediaCodecStatus>(
+      Java_GetOutputFormatResult_status(env, result));
+  if (status == MEDIA_CODEC_OK)
+    *sampling_rate = Java_GetOutputFormatResult_sampleRate(env, result);
+  return status;
+}
+
+MediaCodecStatus MediaCodecBridge::GetOutputChannelCount(int* channel_count) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> result =
+      Java_MediaCodecBridge_getOutputFormat(env, j_media_codec_);
+  MediaCodecStatus status = static_cast<MediaCodecStatus>(
+      Java_GetOutputFormatResult_status(env, result));
+  if (status == MEDIA_CODEC_OK)
+    *channel_count = Java_GetOutputFormatResult_channelCount(env, result);
+  return status;
+}
+
+MediaCodecStatus MediaCodecBridge::QueueInputBuffer(
+    int index,
+    const uint8_t* data,
+    size_t data_size,
+    base::TimeDelta presentation_time) {
+  DVLOG(3) << __func__ << " " << index << ": " << data_size;
+  if (data_size >
+      base::checked_cast<size_t>(std::numeric_limits<int32_t>::max())) {
+    return MEDIA_CODEC_ERROR;
+  }
+  if (data && !FillInputBuffer(index, data, data_size))
+    return MEDIA_CODEC_ERROR;
+  JNIEnv* env = AttachCurrentThread();
+  return static_cast<MediaCodecStatus>(Java_MediaCodecBridge_queueInputBuffer(
+      env, j_media_codec_, index, 0, data_size,
+      presentation_time.InMicroseconds(), 0));
+}
 
 MediaCodecStatus MediaCodecBridge::QueueSecureInputBuffer(
     int index,
     const uint8_t* data,
     size_t data_size,
     const std::string& key_id,
     const std::string& iv,
     const std::vector<SubsampleEntry>& subsamples,
     const EncryptionScheme& encryption_scheme,
     base::TimeDelta presentation_time) {
-  const std::vector<char> key_vec(key_id.begin(), key_id.end());
-  const std::vector<char> iv_vec(iv.begin(), iv.end());
-  return QueueSecureInputBuffer(index, data, data_size, key_vec, iv_vec,
-                                subsamples.empty() ? nullptr : &subsamples[0],
-                                (int)subsamples.size(), encryption_scheme,
-                                presentation_time);
+  DVLOG(3) << __func__ << " " << index << ": " << data_size;
+  if (data_size >
+      base::checked_cast<size_t>(std::numeric_limits<int32_t>::max())) {
+    return MEDIA_CODEC_ERROR;
+  }
+  if (data && !FillInputBuffer(index, data, data_size))
+    return MEDIA_CODEC_ERROR;
+
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jbyteArray> j_key_id = base::android::ToJavaByteArray(
+      env, reinterpret_cast<const uint8_t*>(key_id.data()), key_id.size());
+  ScopedJavaLocalRef<jbyteArray> j_iv = base::android::ToJavaByteArray(
+      env, reinterpret_cast<const uint8_t*>(iv.data()), iv.size());
+
+  // The MediaCodec.CryptoInfo documentation says to pass NULL for |clear_array|
+  // to indicate that all data is encrypted. But it doesn't specify what
+  // |cypher_array| and |subsamples_size| should be in that case. We pass
+  // one subsample here just to be on the safe side.
+  int num_subsamples = std::max(1u, subsamples.size());
+
+  std::unique_ptr<jint[]> native_clear_array(new jint[num_subsamples]);
+  std::unique_ptr<jint[]> native_cypher_array(new jint[num_subsamples]);
+
+  if (subsamples.empty()) {
+    native_clear_array[0] = 0;
+    native_cypher_array[0] = data_size;
+  } else {
+    for (size_t i = 0; i < subsamples.size(); ++i) {
+      DCHECK(subsamples[i].clear_bytes <= std::numeric_limits<uint16_t>::max());
+      if (subsamples[i].cypher_bytes >
+          static_cast<uint32_t>(std::numeric_limits<jint>::max())) {
+        return MEDIA_CODEC_ERROR;
+      }
+
+      native_clear_array[i] = subsamples[i].clear_bytes;
+      native_cypher_array[i] = subsamples[i].cypher_bytes;
+    }
+  }
+
+  ScopedJavaLocalRef<jintArray> clear_array =
+      ToJavaIntArray(env, std::move(native_clear_array), num_subsamples);
+  ScopedJavaLocalRef<jintArray> cypher_array =
+      ToJavaIntArray(env, std::move(native_cypher_array), num_subsamples);
+
+  return static_cast<MediaCodecStatus>(
+      Java_MediaCodecBridge_queueSecureInputBuffer(
+          env, j_media_codec_.obj(), index, 0, j_iv.obj(), j_key_id.obj(),
+          clear_array, cypher_array, num_subsamples,
+          static_cast<int>(encryption_scheme.mode()),
+          static_cast<int>(encryption_scheme.pattern().encrypt_blocks()),
+          static_cast<int>(encryption_scheme.pattern().skip_blocks()),
+          presentation_time.InMicroseconds()));
+}
+
+void MediaCodecBridge::QueueEOS(int input_buffer_index) {
+  DVLOG(3) << __func__ << ": " << input_buffer_index;
+  JNIEnv* env = AttachCurrentThread();
+  Java_MediaCodecBridge_queueInputBuffer(
+      env, j_media_codec_, input_buffer_index, 0, 0, 0, kBufferFlagEndOfStream);
+}
+
+MediaCodecStatus MediaCodecBridge::DequeueInputBuffer(base::TimeDelta timeout,
+                                                      int* index) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> result = Java_MediaCodecBridge_dequeueInputBuffer(
+      env, j_media_codec_, timeout.InMicroseconds());
+  *index = Java_DequeueInputResult_index(env, result);
+  MediaCodecStatus status = static_cast<MediaCodecStatus>(
+      Java_DequeueInputResult_status(env, result));
+  DVLOG(3) << __func__ << ": status: " << status << ", index: " << *index;
+  return status;
+}
+
+MediaCodecStatus MediaCodecBridge::DequeueOutputBuffer(
+    base::TimeDelta timeout,
+    int* index,
+    size_t* offset,
+    size_t* size,
+    base::TimeDelta* presentation_time,
+    bool* end_of_stream,
+    bool* key_frame) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> result =
+      Java_MediaCodecBridge_dequeueOutputBuffer(env, j_media_codec_,
+                                                timeout.InMicroseconds());
+  *index = Java_DequeueOutputResult_index(env, result);
+  *offset =
+      base::checked_cast<size_t>(Java_DequeueOutputResult_offset(env, result));
+  *size = base::checked_cast<size_t>(
+      Java_DequeueOutputResult_numBytes(env, result));
+  if (presentation_time) {
+    *presentation_time = base::TimeDelta::FromMicroseconds(
+        Java_DequeueOutputResult_presentationTimeMicroseconds(env, result));
+  }
+  int flags = Java_DequeueOutputResult_flags(env, result);
+  if (end_of_stream)
+    *end_of_stream = flags & kBufferFlagEndOfStream;
+  if (key_frame)
+    *key_frame = flags & kBufferFlagSyncFrame;
+  MediaCodecStatus status = static_cast<MediaCodecStatus>(
+      Java_DequeueOutputResult_status(env, result));
+  DVLOG(3) << __func__ << ": status: " << status << ", index: " << *index
+           << ", offset: " << *offset << ", size: " << *size
+           << ", flags: " << flags;
+  return status;
+}
+
+void MediaCodecBridge::ReleaseOutputBuffer(int index, bool render) {
+  DVLOG(3) << __func__ << ": " << index;
+  JNIEnv* env = AttachCurrentThread();
+  Java_MediaCodecBridge_releaseOutputBuffer(env, j_media_codec_, index, render);
+}
+
+MediaCodecStatus MediaCodecBridge::GetInputBuffer(int input_buffer_index,
+                                                  uint8_t** data,
+                                                  size_t* capacity) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> j_buffer(Java_MediaCodecBridge_getInputBuffer(
+      env, j_media_codec_, input_buffer_index));
+  if (j_buffer.is_null())
+    return MEDIA_CODEC_ERROR;
+
+  *data = static_cast<uint8_t*>(env->GetDirectBufferAddress(j_buffer.obj()));
+  *capacity =
+      base::checked_cast<size_t>(env->GetDirectBufferCapacity(j_buffer.obj()));
+  return MEDIA_CODEC_OK;
 }
 
 MediaCodecStatus MediaCodecBridge::CopyFromOutputBuffer(int index,
                                                         size_t offset,
                                                         void* dst,
                                                         size_t num) {
   const uint8_t* src_data = nullptr;
   size_t src_capacity = 0;
   MediaCodecStatus status =
       GetOutputBufferAddress(index, offset, &src_data, &src_capacity);
   if (status == MEDIA_CODEC_OK) {
     CHECK_GE(src_capacity, num);
     memcpy(dst, src_data, num);
   }
   return status;
 }
 
+MediaCodecStatus MediaCodecBridge::GetOutputBufferAddress(int index,
+                                                          size_t offset,
+                                                          const uint8_t** addr,
+                                                          size_t* capacity) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> j_buffer(
+      Java_MediaCodecBridge_getOutputBuffer(env, j_media_codec_, index));
+  if (j_buffer.is_null())
+    return MEDIA_CODEC_ERROR;
+  const size_t total_capacity = env->GetDirectBufferCapacity(j_buffer.obj());
+  CHECK_GE(total_capacity, offset);
+  *addr = reinterpret_cast<const uint8_t*>(
+              env->GetDirectBufferAddress(j_buffer.obj())) +
+          offset;
+  *capacity = total_capacity - offset;
+  return MEDIA_CODEC_OK;
+}
+
+std::string MediaCodecBridge::GetName() {
+  if (base::android::BuildInfo::GetInstance()->sdk_int() < 18)
+    return "";
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jstring> j_name =
+      Java_MediaCodecBridge_getName(env, j_media_codec_);
+  return ConvertJavaStringToUTF8(env, j_name);
+}
+
 bool MediaCodecBridge::FillInputBuffer(int index,
                                        const uint8_t* data,
                                        size_t size) {
   uint8_t* dst = nullptr;
   size_t capacity = 0;
   if (GetInputBuffer(index, &dst, &capacity) != MEDIA_CODEC_OK) {
     LOG(ERROR) << "GetInputBuffer failed";
     return false;
   }
   CHECK(dst);
 
   if (size > capacity) {
     LOG(ERROR) << "Input buffer size " << size
                << " exceeds MediaCodec input buffer capacity: " << capacity;
     return false;
   }
 
   memcpy(dst, data, size);
   return true;
 }
 
+// static
+AudioCodecBridge* AudioCodecBridge::Create(const AudioCodec& codec) {
+  if (!MediaCodecUtil::IsMediaCodecAvailable())
+    return nullptr;
+
+  const std::string mime = AudioCodecToAndroidMimeType(codec);
+  if (mime.empty())
+    return nullptr;
+
+  std::unique_ptr<AudioCodecBridge> bridge(new AudioCodecBridge(mime));
+  if (!bridge->media_codec())
+    return nullptr;
+
+  return bridge.release();
+}
+
+// static
+bool AudioCodecBridge::IsKnownUnaccelerated(const AudioCodec& codec) {
+  return MediaCodecUtil::IsKnownUnaccelerated(
+      AudioCodecToAndroidMimeType(codec), MEDIA_CODEC_DECODER);
+}
+
+AudioCodecBridge::AudioCodecBridge(const std::string& mime)
+    // Audio codec doesn't care about security level and there is no need for
+    // audio encoding yet.
+    : MediaCodecBridge(mime, false, MEDIA_CODEC_DECODER, false) {}
+
+bool AudioCodecBridge::ConfigureAndStart(const AudioDecoderConfig& config,
+                                         jobject media_crypto) {
+  const int channel_count =
+      ChannelLayoutToChannelCount(config.channel_layout());
+  const int64_t codec_delay_ns = base::Time::kNanosecondsPerSecond *
+                                 config.codec_delay() /
+                                 config.samples_per_second();
+  const int64_t seek_preroll_ns =
+      1000LL * config.seek_preroll().InMicroseconds();
+
+  return ConfigureAndStart(config.codec(), config.samples_per_second(),
+                           channel_count, config.extra_data().data(),
+                           config.extra_data().size(), codec_delay_ns,
+                           seek_preroll_ns, media_crypto);
+}
+
+bool AudioCodecBridge::ConfigureAndStart(const AudioCodec& codec,
+                                         int sample_rate,
+                                         int channel_count,
+                                         const uint8_t* extra_data,
+                                         size_t extra_data_size,
+                                         int64_t codec_delay_ns,
+                                         int64_t seek_preroll_ns,
+                                         jobject media_crypto) {
+  DVLOG(2) << __func__ << ": "
+           << " codec:" << GetCodecName(codec)
+           << " samples_per_second:" << sample_rate
+           << " channel_count:" << channel_count
+           << " codec_delay_ns:" << codec_delay_ns
+           << " seek_preroll_ns:" << seek_preroll_ns
+           << " extra data size:" << extra_data_size
+           << " media_crypto:" << media_crypto;
+  DCHECK(media_codec());
+
+  std::string codec_string = AudioCodecToAndroidMimeType(codec);
+  if (codec_string.empty())
+    return false;
+
+  JNIEnv* env = AttachCurrentThread();
+
+  ScopedJavaLocalRef<jstring> j_mime =
+      ConvertUTF8ToJavaString(env, codec_string);
+  ScopedJavaLocalRef<jobject> j_format(Java_MediaCodecBridge_createAudioFormat(
+      env, j_mime, sample_rate, channel_count));
+  DCHECK(!j_format.is_null());
+
+  if (!ConfigureMediaFormat(j_format.obj(), codec, extra_data, extra_data_size,
+                            codec_delay_ns, seek_preroll_ns)) {
+    return false;
+  }
+
+  if (!Java_MediaCodecBridge_configureAudio(env, media_codec(), j_format,
+                                            media_crypto, 0)) {
+    return false;
+  }
+
+  return Start();
+}
+
+bool AudioCodecBridge::ConfigureMediaFormat(jobject j_format,
+                                            const AudioCodec& codec,
+                                            const uint8_t* extra_data,
+                                            size_t extra_data_size,
+                                            int64_t codec_delay_ns,
+                                            int64_t seek_preroll_ns) {
+  if (extra_data_size == 0 && codec != kCodecOpus)
+    return true;
+
+  JNIEnv* env = AttachCurrentThread();
+  switch (codec) {
+    case kCodecVorbis: {
+      if (extra_data[0] != 2) {
+        LOG(ERROR) << "Invalid number of vorbis headers before the codec "
+                   << "header: " << extra_data[0];
+        return false;
+      }
+
+      size_t header_length[2];
+      // |total_length| keeps track of the total number of bytes before the last
+      // header.
+      size_t total_length = 1;
+      const uint8_t* current_pos = extra_data;
+      // Calculate the length of the first 2 headers.
+      for (int i = 0; i < 2; ++i) {
+        header_length[i] = 0;
+        while (total_length < extra_data_size) {
+          size_t size = *(++current_pos);
+          total_length += 1 + size;
+          if (total_length > 0x80000000) {
+            LOG(ERROR) << "Vorbis header size too large";
+            return false;
+          }
+          header_length[i] += size;
+          if (size < 0xFF)
+            break;
+        }
+        if (total_length >= extra_data_size) {
+          LOG(ERROR) << "Invalid vorbis header size in the extra data";
+          return false;
+        }
+      }
+      current_pos++;
+      // The first header is identification header.
+      ScopedJavaLocalRef<jbyteArray> first_header =
+          base::android::ToJavaByteArray(env, current_pos, header_length[0]);
+      Java_MediaCodecBridge_setCodecSpecificData(env, j_format, 0,
+                                                 first_header);
+      // The last header is codec header.
+      ScopedJavaLocalRef<jbyteArray> last_header =
+          base::android::ToJavaByteArray(env, extra_data + total_length,
+                                         extra_data_size - total_length);
+      Java_MediaCodecBridge_setCodecSpecificData(env, j_format, 1, last_header);
+      break;
+    }
+    case kCodecAAC: {
+      media::BitReader reader(extra_data, extra_data_size);
+
+      // The following code is copied from aac.cc
+      // TODO(qinmin): refactor the code in aac.cc to make it more reusable.
+      uint8_t profile = 0;
+      uint8_t frequency_index = 0;
+      uint8_t channel_config = 0;
+      RETURN_ON_ERROR(reader.ReadBits(5, &profile));
+      RETURN_ON_ERROR(reader.ReadBits(4, &frequency_index));
+
+      if (0xf == frequency_index)
+        RETURN_ON_ERROR(reader.SkipBits(24));
+      RETURN_ON_ERROR(reader.ReadBits(4, &channel_config));
+
+      if (profile == 5 || profile == 29) {
+        // Read extension config.
+        RETURN_ON_ERROR(reader.ReadBits(4, &frequency_index));
+        if (frequency_index == 0xf)
+          RETURN_ON_ERROR(reader.SkipBits(24));
+        RETURN_ON_ERROR(reader.ReadBits(5, &profile));
+      }
+
+      if (profile < 1 || profile > 4 || frequency_index == 0xf ||
+          channel_config > 7) {
+        LOG(ERROR) << "Invalid AAC header";
+        return false;
+      }
+
+      const size_t kCsdLength = 2;
+      uint8_t csd[kCsdLength];
+      csd[0] = profile << 3 | frequency_index >> 1;
+      csd[1] = (frequency_index & 0x01) << 7 | channel_config << 3;
+      ScopedJavaLocalRef<jbyteArray> byte_array =
+          base::android::ToJavaByteArray(env, csd, kCsdLength);
+      Java_MediaCodecBridge_setCodecSpecificData(env, j_format, 0, byte_array);
+
+      // TODO(qinmin): pass an extra variable to this function to determine
+      // whether we need to call this.
+      Java_MediaCodecBridge_setFrameHasADTSHeader(env, j_format);
+      break;
+    }
+    case kCodecOpus: {
+      if (!extra_data || extra_data_size == 0 || codec_delay_ns < 0 ||
+          seek_preroll_ns < 0) {
+        LOG(ERROR) << "Invalid Opus Header";
+        return false;
+      }
+
+      // csd0 - Opus Header
+      ScopedJavaLocalRef<jbyteArray> csd0 =
+          base::android::ToJavaByteArray(env, extra_data, extra_data_size);
+      Java_MediaCodecBridge_setCodecSpecificData(env, j_format, 0, csd0);
+
+      // csd1 - Codec Delay
+      ScopedJavaLocalRef<jbyteArray> csd1 = base::android::ToJavaByteArray(
+          env, reinterpret_cast<const uint8_t*>(&codec_delay_ns),
+          sizeof(int64_t));
+      Java_MediaCodecBridge_setCodecSpecificData(env, j_format, 1, csd1);
+
+      // csd2 - Seek Preroll
+      ScopedJavaLocalRef<jbyteArray> csd2 = base::android::ToJavaByteArray(
+          env, reinterpret_cast<const uint8_t*>(&seek_preroll_ns),
+          sizeof(int64_t));
+      Java_MediaCodecBridge_setCodecSpecificData(env, j_format, 2, csd2);
+      break;
+    }
+    default:
+      LOG(ERROR) << "Invalid header encountered for codec: "
+                 << AudioCodecToAndroidMimeType(codec);
+      return false;
+  }
+  return true;
+}
+
+// static
+bool VideoCodecBridge::IsKnownUnaccelerated(const VideoCodec& codec,
+                                            MediaCodecDirection direction) {
+  return MediaCodecUtil::IsKnownUnaccelerated(
+      VideoCodecToAndroidMimeType(codec), direction);
+}
+
+// static
+VideoCodecBridge* VideoCodecBridge::CreateDecoder(
+    const VideoCodec& codec,
+    bool is_secure,
+    const gfx::Size& size,
+    jobject surface,
+    jobject media_crypto,
+    const std::vector<uint8_t>& csd0,
+    const std::vector<uint8_t>& csd1,
+    bool allow_adaptive_playback,
+    bool require_software_codec) {
+  if (!MediaCodecUtil::IsMediaCodecAvailable())
+    return nullptr;
+
+  const std::string mime = VideoCodecToAndroidMimeType(codec);
+  if (mime.empty())
+    return nullptr;
+
+  std::unique_ptr<VideoCodecBridge> bridge(new VideoCodecBridge(
+      mime, is_secure, MEDIA_CODEC_DECODER, require_software_codec));
+  if (!bridge->media_codec())
+    return nullptr;
+
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jstring> j_mime = ConvertUTF8ToJavaString(env, mime);
+  ScopedJavaLocalRef<jobject> j_format(
+      Java_MediaCodecBridge_createVideoDecoderFormat(env, j_mime, size.width(),
+                                                     size.height()));
+  DCHECK(!j_format.is_null());
+
+  if (!csd0.empty()) {
+    ScopedJavaLocalRef<jbyteArray> j_csd0 =
+        base::android::ToJavaByteArray(env, csd0.data(), csd0.size());
+    Java_MediaCodecBridge_setCodecSpecificData(env, j_format, 0, j_csd0);
+  }
+
+  if (!csd1.empty()) {
+    ScopedJavaLocalRef<jbyteArray> j_csd1 =
+        base::android::ToJavaByteArray(env, csd1.data(), csd1.size());
+    Java_MediaCodecBridge_setCodecSpecificData(env, j_format, 1, j_csd1);
+  }
+
+  if (!Java_MediaCodecBridge_configureVideo(env, bridge->media_codec(),
+                                            j_format, surface, media_crypto, 0,
+                                            allow_adaptive_playback)) {
+    return nullptr;
+  }
+
+  return bridge->Start() ? bridge.release() : nullptr;
+}
+
+// static
+VideoCodecBridge* VideoCodecBridge::CreateEncoder(const VideoCodec& codec,
+                                                  const gfx::Size& size,
+                                                  int bit_rate,
+                                                  int frame_rate,
+                                                  int i_frame_interval,
+                                                  int color_format) {
+  if (!MediaCodecUtil::IsMediaCodecAvailable())
+    return nullptr;
+
+  const std::string mime = VideoCodecToAndroidMimeType(codec);
+  if (mime.empty())
+    return nullptr;
+
+  std::unique_ptr<VideoCodecBridge> bridge(
+      new VideoCodecBridge(mime, false, MEDIA_CODEC_ENCODER, false));
+  if (!bridge->media_codec())
+    return nullptr;
+
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jstring> j_mime = ConvertUTF8ToJavaString(env, mime);
+  ScopedJavaLocalRef<jobject> j_format(
+      Java_MediaCodecBridge_createVideoEncoderFormat(
+          env, bridge->media_codec(), j_mime, size.width(), size.height(),
+          bit_rate, frame_rate, i_frame_interval, color_format));
+  DCHECK(!j_format.is_null());
+  if (!Java_MediaCodecBridge_configureVideo(env, bridge->media_codec(),
+                                            j_format, nullptr, nullptr,
+                                            kConfigureFlagEncode, true)) {
+    return nullptr;
+  }
+
+  return bridge->Start() ? bridge.release() : nullptr;
+}
+
+VideoCodecBridge::VideoCodecBridge(const std::string& mime,
+                                   bool is_secure,
+                                   MediaCodecDirection direction,
+                                   bool require_software_codec)
+    : MediaCodecBridge(mime, is_secure, direction, require_software_codec),
+      adaptive_playback_supported_for_testing_(-1) {}
+
+bool VideoCodecBridge::SetSurface(jobject surface) {
+  DCHECK_GE(base::android::BuildInfo::GetInstance()->sdk_int(), 23);
+  JNIEnv* env = AttachCurrentThread();
+  return Java_MediaCodecBridge_setSurface(env, media_codec(), surface);
+}
+
+void VideoCodecBridge::SetVideoBitrate(int bps, int frame_rate) {
+  JNIEnv* env = AttachCurrentThread();
+  Java_MediaCodecBridge_setVideoBitrate(env, media_codec(), bps, frame_rate);
+}
+
+void VideoCodecBridge::RequestKeyFrameSoon() {
+  JNIEnv* env = AttachCurrentThread();
+  Java_MediaCodecBridge_requestKeyFrameSoon(env, media_codec());
+}
+
+bool VideoCodecBridge::IsAdaptivePlaybackSupported(int width, int height) {
+  if (adaptive_playback_supported_for_testing_ == 0)
+    return false;
+  else if (adaptive_playback_supported_for_testing_ > 0)
+    return true;
+  JNIEnv* env = AttachCurrentThread();
+  return Java_MediaCodecBridge_isAdaptivePlaybackSupported(env, media_codec(),
+                                                           width, height);
+}
+
 }  // namespace media