Add accelerated video decoder interface, VP8 and H.264 implementations and hook up to V4L2SVDA

content/common/gpu/media/v4l2_video_decode_accelerator.cc

 // Copyright 2014 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 <dlfcn.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <linux/videodev2.h>
 #include <poll.h>
 #include <sys/eventfd.h>
@@ skipping 140 matching lines @@
     const media::Picture& picture)
     : cleared(cleared), picture(picture) {}
 
 V4L2VideoDecodeAccelerator::PictureRecord::~PictureRecord() {}
 
 V4L2VideoDecodeAccelerator::V4L2VideoDecodeAccelerator(
     EGLDisplay egl_display,
     EGLContext egl_context,
     const base::WeakPtr<Client>& io_client,
     const base::Callback<bool(void)>& make_context_current,
-    scoped_ptr<V4L2Device> device,
+    const scoped_refptr<V4L2Device>& device,
     const scoped_refptr<base::MessageLoopProxy>& io_message_loop_proxy)
     : child_message_loop_proxy_(base::MessageLoopProxy::current()),
       io_message_loop_proxy_(io_message_loop_proxy),
       io_client_(io_client),
       decoder_thread_("V4L2DecoderThread"),
       decoder_state_(kUninitialized),
-      device_(device.Pass()),
+      device_(device),
       decoder_delay_bitstream_buffer_id_(-1),
       decoder_current_input_buffer_(-1),
       decoder_decode_buffer_tasks_scheduled_(0),
       decoder_frames_at_client_(0),
       decoder_flushing_(false),
       resolution_change_pending_(false),
       resolution_change_reset_pending_(false),
       decoder_partial_frame_pending_(false),
       input_streamon_(false),
       input_buffer_queued_count_(0),
@@ skipping 1517 matching lines @@
   return true;
 }
 
 bool V4L2VideoDecodeAccelerator::SetupFormats() {
   // We always run this as we prepare to initialize.
   DCHECK_EQ(decoder_state_, kUninitialized);
   DCHECK(!input_streamon_);
   DCHECK(!output_streamon_);
 
   __u32 input_format_fourcc =
-      V4L2Device::VideoCodecProfileToV4L2PixFmt(video_profile_);
+      V4L2Device::VideoCodecProfileToV4L2PixFmt(video_profile_, false);
   if (!input_format_fourcc) {
     NOTREACHED();
     return false;
   }
 
   size_t input_size;
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kIgnoreResolutionLimitsForAcceleratedVideoDecode))
     input_size = kInputBufferMaxSizeFor4k;
   else
@@ skipping 252 matching lines @@
   gfx::Size new_size(base::checked_cast<int>(format.fmt.pix_mp.width),
                      base::checked_cast<int>(format.fmt.pix_mp.height));
   if (frame_buffer_size_ != new_size) {
     DVLOG(3) << "IsResolutionChangeNecessary(): Resolution change detected";
     return true;
   }
   return false;
 }
 
 }  // namespace content