V4L2(S)VDA: Check if device handles profile for supported fourccs on init.

content/common/gpu/media/v4l2_device.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 <libdrm/drm_fourcc.h>
 #include <linux/videodev2.h>
 #include <string.h>
 
 #include "base/numerics/safe_conversions.h"
 #include "build/build_config.h"
@@ skipping 284 matching lines @@
                            &profile.max_resolution);
     for (int media_profile = min_profile; media_profile <= max_profile;
          ++media_profile) {
       profile.profile = static_cast<media::VideoCodecProfile>(media_profile);
       profiles.push_back(profile);
     }
   }
   return profiles;
 }
 
+bool V4L2Device::SupportsDecodeProfileForV4L2PixelFormats(
+    media::VideoCodecProfile profile,
+    const size_t num_formats,
+    const uint32_t pixelformats[]) {
+  // Get all supported profiles by this device, taking into account only fourccs
+  // in pixelformats.
+  const auto supported_profiles =
+      GetSupportedDecodeProfiles(num_formats, pixelformats);
+
+  // Try to find requested profile among the returned supported_profiles.
+  const auto iter = std::find_if(
+      supported_profiles.begin(), supported_profiles.end(),
+      [profile](const media::VideoDecodeAccelerator::SupportedProfile& p) {
+        return profile == p.profile;
+      });
+
+  return iter != supported_profiles.end();
+}
+
 }  //  namespace content