media: Drop "media::" in media/gpu

media/gpu/android_video_encode_accelerator.cc

 // Copyright 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/gpu/android_video_encode_accelerator.h"
 
 #include <memory>
 #include <set>
 #include <tuple>
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 #include "gpu/ipc/service/gpu_channel.h"
 #include "media/base/android/media_codec_util.h"
 #include "media/base/bitstream_buffer.h"
 #include "media/base/limits.h"
 #include "media/gpu/shared_memory_region.h"
 #include "media/video/picture.h"
 #include "third_party/libyuv/include/libyuv/convert_from.h"
 #include "ui/gl/android/scoped_java_surface.h"
 #include "ui/gl/gl_bindings.h"
 
-using media::VideoCodecBridge;
-using media::VideoFrame;
-
 namespace media {
 
 // Limit default max video codec size for Android to avoid
 // HW codec initialization failure for resolution higher than 720p.
 // Default values are from Libjingle "jsepsessiondescription.cc".
 const int kMaxEncodeFrameWidth = 1280;
 const int kMaxEncodeFrameHeight = 720;
 const int kMaxFramerateNumerator = 30;
 const int kMaxFramerateDenominator = 1;
 
@@ skipping 37 matching lines @@
 
 static inline const base::TimeDelta NoWaitTimeOut() {
   return base::TimeDelta::FromMicroseconds(0);
 }
 
 static bool GetSupportedColorFormatForMime(const std::string& mime,
                                            PixelFormat* pixel_format) {
   if (mime.empty())
     return false;
 
-  std::set<int> formats = media::MediaCodecUtil::GetEncoderColorFormats(mime);
+  std::set<int> formats = MediaCodecUtil::GetEncoderColorFormats(mime);
   if (formats.count(COLOR_FORMAT_YUV420_SEMIPLANAR) > 0)
     *pixel_format = COLOR_FORMAT_YUV420_SEMIPLANAR;
   else if (formats.count(COLOR_FORMAT_YUV420_PLANAR) > 0)
     *pixel_format = COLOR_FORMAT_YUV420_PLANAR;
   else
     return false;
 
   return true;
 }
 
 AndroidVideoEncodeAccelerator::AndroidVideoEncodeAccelerator()
     : num_buffers_at_codec_(0), last_set_bitrate_(0) {}
 
 AndroidVideoEncodeAccelerator::~AndroidVideoEncodeAccelerator() {
   DCHECK(thread_checker_.CalledOnValidThread());
 }
 
-media::VideoEncodeAccelerator::SupportedProfiles
+VideoEncodeAccelerator::SupportedProfiles
 AndroidVideoEncodeAccelerator::GetSupportedProfiles() {
   SupportedProfiles profiles;
 
   const struct {
-    const media::VideoCodec codec;
-    const media::VideoCodecProfile profile;
-  } kSupportedCodecs[] = {{media::kCodecVP8, media::VP8PROFILE_ANY},
-                          {media::kCodecH264, media::H264PROFILE_BASELINE},
-                          {media::kCodecH264, media::H264PROFILE_MAIN}};
+    const VideoCodec codec;
+    const VideoCodecProfile profile;
+  } kSupportedCodecs[] = {{kCodecVP8, VP8PROFILE_ANY},
+                          {kCodecH264, H264PROFILE_BASELINE},
+                          {kCodecH264, H264PROFILE_MAIN}};
 
   for (const auto& supported_codec : kSupportedCodecs) {
-    if (supported_codec.codec == media::kCodecVP8 &&
-        !media::MediaCodecUtil::IsVp8EncoderAvailable()) {
+    if (supported_codec.codec == kCodecVP8 &&
+        !MediaCodecUtil::IsVp8EncoderAvailable()) {
       continue;
     }
 
     if (VideoCodecBridge::IsKnownUnaccelerated(supported_codec.codec,
-                                               media::MEDIA_CODEC_ENCODER)) {
+                                               MEDIA_CODEC_ENCODER)) {
       continue;
     }
 
     SupportedProfile profile;
     profile.profile = supported_codec.profile;
     // It would be nice if MediaCodec exposes the maximum capabilities of
     // the encoder. Hard-code some reasonable defaults as workaround.
     profile.max_resolution.SetSize(kMaxEncodeFrameWidth, kMaxEncodeFrameHeight);
     profile.max_framerate_numerator = kMaxFramerateNumerator;
     profile.max_framerate_denominator = kMaxFramerateDenominator;
     profiles.push_back(profile);
   }
   return profiles;
 }
 
 bool AndroidVideoEncodeAccelerator::Initialize(
-    media::VideoPixelFormat format,
+    VideoPixelFormat format,
     const gfx::Size& input_visible_size,
-    media::VideoCodecProfile output_profile,
+    VideoCodecProfile output_profile,
     uint32_t initial_bitrate,
     Client* client) {
   DVLOG(3) << __PRETTY_FUNCTION__ << " format: " << format
            << ", input_visible_size: " << input_visible_size.ToString()
            << ", output_profile: " << output_profile
            << ", initial_bitrate: " << initial_bitrate;
   DCHECK(!media_codec_);
   DCHECK(thread_checker_.CalledOnValidThread());
 
   client_ptr_factory_.reset(new base::WeakPtrFactory<Client>(client));
 
-  if (!(media::MediaCodecUtil::SupportsSetParameters() &&
-        format == media::PIXEL_FORMAT_I420)) {
+  if (!(MediaCodecUtil::SupportsSetParameters() &&
+        format == PIXEL_FORMAT_I420)) {
     DLOG(ERROR) << "Unexpected combo: " << format << ", " << output_profile;
     return false;
   }
 
   std::string mime_type;
-  media::VideoCodec codec;
+  VideoCodec codec;
   // The client should be prepared to feed at least this many frames into the
   // encoder before being returned any output frames, since the encoder may
   // need to hold onto some subset of inputs as reference pictures.
   uint32_t frame_input_count;
-  if (output_profile == media::VP8PROFILE_ANY) {
-    codec = media::kCodecVP8;
+  if (output_profile == VP8PROFILE_ANY) {
+    codec = kCodecVP8;
     mime_type = "video/x-vnd.on2.vp8";
     frame_input_count = 1;
-  } else if (output_profile == media::H264PROFILE_BASELINE ||
-             output_profile == media::H264PROFILE_MAIN) {
-    codec = media::kCodecH264;
+  } else if (output_profile == H264PROFILE_BASELINE ||
+             output_profile == H264PROFILE_MAIN) {
+    codec = kCodecH264;
     mime_type = "video/avc";
     frame_input_count = 30;
   } else {
     return false;
   }
 
   frame_size_ = input_visible_size;
   last_set_bitrate_ = initial_bitrate;
 
   // Only consider using MediaCodec if it's likely backed by hardware.
-  if (media::VideoCodecBridge::IsKnownUnaccelerated(
-          codec, media::MEDIA_CODEC_ENCODER)) {
+  if (VideoCodecBridge::IsKnownUnaccelerated(codec, MEDIA_CODEC_ENCODER)) {
     DLOG(ERROR) << "No HW support";
     return false;
   }
 
   PixelFormat pixel_format = COLOR_FORMAT_YUV420_SEMIPLANAR;
   if (!GetSupportedColorFormatForMime(mime_type, &pixel_format)) {
     DLOG(ERROR) << "No color format support.";
     return false;
   }
-  media_codec_.reset(media::VideoCodecBridge::CreateEncoder(
+  media_codec_.reset(VideoCodecBridge::CreateEncoder(
       codec, input_visible_size, initial_bitrate, INITIAL_FRAMERATE,
       IFRAME_INTERVAL, pixel_format));
 
   if (!media_codec_) {
     DLOG(ERROR) << "Failed to create/start the codec: "
                 << input_visible_size.ToString();
     return false;
   }
 
   // Conservative upper bound for output buffer size: decoded size + 2KB.
@@ skipping 20 matching lines @@
       (num_buffers_at_codec_ == 0 && pending_frames_.empty())) {
     io_timer_.Stop();
   }
 }
 
 void AndroidVideoEncodeAccelerator::Encode(
     const scoped_refptr<VideoFrame>& frame,
     bool force_keyframe) {
   DVLOG(3) << __PRETTY_FUNCTION__ << ": " << force_keyframe;
   DCHECK(thread_checker_.CalledOnValidThread());
-  RETURN_ON_FAILURE(frame->format() == media::PIXEL_FORMAT_I420,
-                    "Unexpected format", kInvalidArgumentError);
+  RETURN_ON_FAILURE(frame->format() == PIXEL_FORMAT_I420, "Unexpected format",
+                    kInvalidArgumentError);
   RETURN_ON_FAILURE(frame->visible_rect().size() == frame_size_,
                     "Unexpected resolution", kInvalidArgumentError);
   // MediaCodec doesn't have a way to specify stride for non-Packed formats, so
   // we insist on being called with packed frames and no cropping :(
   RETURN_ON_FAILURE(frame->row_bytes(VideoFrame::kYPlane) ==
                             frame->stride(VideoFrame::kYPlane) &&
                         frame->row_bytes(VideoFrame::kUPlane) ==
                             frame->stride(VideoFrame::kUPlane) &&
                         frame->row_bytes(VideoFrame::kVPlane) ==
                             frame->stride(VideoFrame::kVPlane) &&
                         frame->coded_size() == frame->visible_rect().size(),
                     "Non-packed frame, or visible_rect != coded_size",
                     kInvalidArgumentError);
 
   pending_frames_.push(
       std::make_tuple(frame, force_keyframe, base::Time::Now()));
   DoIOTask();
 }
 
 void AndroidVideoEncodeAccelerator::UseOutputBitstreamBuffer(
-    const media::BitstreamBuffer& buffer) {
+    const BitstreamBuffer& buffer) {
   DVLOG(3) << __PRETTY_FUNCTION__ << ": bitstream_buffer_id=" << buffer.id();
   DCHECK(thread_checker_.CalledOnValidThread());
   available_bitstream_buffers_.push_back(buffer);
   DoIOTask();
 }
 
 void AndroidVideoEncodeAccelerator::RequestEncodingParametersChange(
     uint32_t bitrate,
     uint32_t framerate) {
   DVLOG(3) << __PRETTY_FUNCTION__ << ": bitrate: " << bitrate
@@ skipping 26 matching lines @@
   DequeueOutput();
   MaybeStartIOTimer();
   MaybeStopIOTimer();
 }
 
 void AndroidVideoEncodeAccelerator::QueueInput() {
   if (!client_ptr_factory_->GetWeakPtr() || pending_frames_.empty())
     return;
 
   int input_buf_index = 0;
-  media::MediaCodecStatus status =
+  MediaCodecStatus status =
       media_codec_->DequeueInputBuffer(NoWaitTimeOut(), &input_buf_index);
-  if (status != media::MEDIA_CODEC_OK) {
-    DCHECK(status == media::MEDIA_CODEC_DEQUEUE_INPUT_AGAIN_LATER ||
-           status == media::MEDIA_CODEC_ERROR);
-    RETURN_ON_FAILURE(status != media::MEDIA_CODEC_ERROR, "MediaCodec error",
+  if (status != MEDIA_CODEC_OK) {
+    DCHECK(status == MEDIA_CODEC_DEQUEUE_INPUT_AGAIN_LATER ||
+           status == MEDIA_CODEC_ERROR);
+    RETURN_ON_FAILURE(status != MEDIA_CODEC_ERROR, "MediaCodec error",
                       kPlatformFailureError);
     return;
   }
 
   const PendingFrames::value_type& input = pending_frames_.front();
   bool is_key_frame = std::get<1>(input);
   if (is_key_frame) {
     // Ideally MediaCodec would honor BUFFER_FLAG_SYNC_FRAME so we could
     // indicate this in the QueueInputBuffer() call below and guarantee _this_
     // frame be encoded as a key frame, but sadly that flag is ignored.
     // Instead, we request a key frame "soon".
     media_codec_->RequestKeyFrameSoon();
   }
   scoped_refptr<VideoFrame> frame = std::get<0>(input);
 
   uint8_t* buffer = NULL;
   size_t capacity = 0;
   status = media_codec_->GetInputBuffer(input_buf_index, &buffer, &capacity);
-  RETURN_ON_FAILURE(status == media::MEDIA_CODEC_OK, "GetInputBuffer failed.",
+  RETURN_ON_FAILURE(status == MEDIA_CODEC_OK, "GetInputBuffer failed.",
                     kPlatformFailureError);
 
   size_t queued_size =
-      VideoFrame::AllocationSize(media::PIXEL_FORMAT_I420, frame->coded_size());
+      VideoFrame::AllocationSize(PIXEL_FORMAT_I420, frame->coded_size());
   RETURN_ON_FAILURE(capacity >= queued_size,
                     "Failed to get input buffer: " << input_buf_index,
                     kPlatformFailureError);
 
   uint8_t* dst_y = buffer;
   int dst_stride_y = frame->stride(VideoFrame::kYPlane);
   uint8_t* dst_uv =
       buffer +
       frame->stride(VideoFrame::kYPlane) * frame->rows(VideoFrame::kYPlane);
   int dst_stride_uv = frame->stride(VideoFrame::kUPlane) * 2;
   // Why NV12?  Because COLOR_FORMAT_YUV420_SEMIPLANAR.  See comment at other
   // mention of that constant.
   bool converted = !libyuv::I420ToNV12(
       frame->data(VideoFrame::kYPlane), frame->stride(VideoFrame::kYPlane),
       frame->data(VideoFrame::kUPlane), frame->stride(VideoFrame::kUPlane),
       frame->data(VideoFrame::kVPlane), frame->stride(VideoFrame::kVPlane),
       dst_y, dst_stride_y, dst_uv, dst_stride_uv, frame->coded_size().width(),
       frame->coded_size().height());
   RETURN_ON_FAILURE(converted, "Failed to I420ToNV12!", kPlatformFailureError);
 
   fake_input_timestamp_ += base::TimeDelta::FromMicroseconds(1);
   status = media_codec_->QueueInputBuffer(input_buf_index, NULL, queued_size,
                                           fake_input_timestamp_);
   UMA_HISTOGRAM_TIMES("Media.AVDA.InputQueueTime",
                       base::Time::Now() - std::get<2>(input));
-  RETURN_ON_FAILURE(status == media::MEDIA_CODEC_OK,
+  RETURN_ON_FAILURE(status == MEDIA_CODEC_OK,
                     "Failed to QueueInputBuffer: " << status,
                     kPlatformFailureError);
   ++num_buffers_at_codec_;
   pending_frames_.pop();
 }
 
 void AndroidVideoEncodeAccelerator::DequeueOutput() {
   if (!client_ptr_factory_->GetWeakPtr() ||
       available_bitstream_buffers_.empty() || num_buffers_at_codec_ == 0) {
     return;
   }
 
   int32_t buf_index = 0;
   size_t offset = 0;
   size_t size = 0;
   bool key_frame = false;
   do {
-    media::MediaCodecStatus status = media_codec_->DequeueOutputBuffer(
+    MediaCodecStatus status = media_codec_->DequeueOutputBuffer(
         NoWaitTimeOut(), &buf_index, &offset, &size, NULL, NULL, &key_frame);
     switch (status) {
-      case media::MEDIA_CODEC_DEQUEUE_OUTPUT_AGAIN_LATER:
+      case MEDIA_CODEC_DEQUEUE_OUTPUT_AGAIN_LATER:
         return;
 
-      case media::MEDIA_CODEC_ERROR:
+      case MEDIA_CODEC_ERROR:
         RETURN_ON_FAILURE(false, "Codec error", kPlatformFailureError);
         // Unreachable because of previous statement, but included for clarity.
         return;
 
-      case media::MEDIA_CODEC_OUTPUT_FORMAT_CHANGED:
+      case MEDIA_CODEC_OUTPUT_FORMAT_CHANGED:
         RETURN_ON_FAILURE(false, "Unexpected output format change",
                           kPlatformFailureError);
         break;
 
-      case media::MEDIA_CODEC_OUTPUT_BUFFERS_CHANGED:
+      case MEDIA_CODEC_OUTPUT_BUFFERS_CHANGED:
         break;
 
-      case media::MEDIA_CODEC_OK:
+      case MEDIA_CODEC_OK:
         DCHECK_GE(buf_index, 0);
         break;
 
       default:
         NOTREACHED();
         break;
     }
   } while (buf_index < 0);
 
-  media::BitstreamBuffer bitstream_buffer = available_bitstream_buffers_.back();
+  BitstreamBuffer bitstream_buffer = available_bitstream_buffers_.back();
   available_bitstream_buffers_.pop_back();
   std::unique_ptr<SharedMemoryRegion> shm(
       new SharedMemoryRegion(bitstream_buffer, false));
   RETURN_ON_FAILURE(shm->Map(), "Failed to map SHM", kPlatformFailureError);
   RETURN_ON_FAILURE(size <= shm->size(),
                     "Encoded buffer too large: " << size << ">" << shm->size(),
                     kPlatformFailureError);
 
-  media::MediaCodecStatus status = media_codec_->CopyFromOutputBuffer(
+  MediaCodecStatus status = media_codec_->CopyFromOutputBuffer(
       buf_index, offset, shm->memory(), size);
-  RETURN_ON_FAILURE(status == media::MEDIA_CODEC_OK,
-                    "CopyFromOutputBuffer failed", kPlatformFailureError);
+  RETURN_ON_FAILURE(status == MEDIA_CODEC_OK, "CopyFromOutputBuffer failed",
+                    kPlatformFailureError);
   media_codec_->ReleaseOutputBuffer(buf_index, false);
   --num_buffers_at_codec_;
 
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE,
       base::Bind(&VideoEncodeAccelerator::Client::BitstreamBufferReady,
                  client_ptr_factory_->GetWeakPtr(), bitstream_buffer.id(), size,
                  key_frame, base::Time::Now() - base::Time()));
 }
 
 }  // namespace media