Line data    Source code

       1             : /*
       2             :  *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
       3             :  *
       4             :  *  Use of this source code is governed by a BSD-style license
       5             :  *  that can be found in the LICENSE file in the root of the source
       6             :  *  tree. An additional intellectual property rights grant can be found
       7             :  *  in the file PATENTS.  All contributing project authors may
       8             :  *  be found in the AUTHORS file in the root of the source tree.
       9             :  *
      10             :  */
      11             : 
      12             : #include "webrtc/modules/video_coding/codecs/h264/include/h264.h"
      13             : 
      14             : #if defined(WEBRTC_USE_H264)
      15             : #include "webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.h"
      16             : #include "webrtc/modules/video_coding/codecs/h264/h264_encoder_impl.h"
      17             : #endif
      18             : 
      19             : #include "webrtc/base/checks.h"
      20             : #include "webrtc/base/logging.h"
      21             : 
      22             : namespace webrtc {
      23             : 
      24             : namespace {
      25             : 
      26             : #if defined(WEBRTC_USE_H264)
      27             : bool g_rtc_use_h264 = true;
      28             : #endif
      29             : 
      30             : }  // namespace
      31             : 
      32           0 : void DisableRtcUseH264() {
      33             : #if defined(WEBRTC_USE_H264)
      34             :   g_rtc_use_h264 = false;
      35             : #endif
      36           0 : }
      37             : 
      38             : // If any H.264 codec is supported (iOS HW or OpenH264/FFmpeg).
      39           0 : bool IsH264CodecSupported() {
      40             : #if defined(WEBRTC_USE_H264)
      41             :   return g_rtc_use_h264;
      42             : #else
      43           0 :   return false;
      44             : #endif
      45             : }
      46             : 
      47           0 : H264Encoder* H264Encoder::Create(const cricket::VideoCodec& codec) {
      48           0 :   RTC_DCHECK(H264Encoder::IsSupported());
      49             : #if defined(WEBRTC_USE_H264)
      50             :   RTC_CHECK(g_rtc_use_h264);
      51             :   LOG(LS_INFO) << "Creating H264EncoderImpl.";
      52             :   return new H264EncoderImpl(codec);
      53             : #else
      54           0 :   RTC_NOTREACHED();
      55           0 :   return nullptr;
      56             : #endif
      57             : }
      58             : 
      59           0 : bool H264Encoder::IsSupported() {
      60           0 :   return IsH264CodecSupported();
      61             : }
      62             : 
      63           0 : H264Decoder* H264Decoder::Create() {
      64           0 :   RTC_DCHECK(H264Decoder::IsSupported());
      65             : #if defined(WEBRTC_USE_H264)
      66             :   RTC_CHECK(g_rtc_use_h264);
      67             :   LOG(LS_INFO) << "Creating H264DecoderImpl.";
      68             :   return new H264DecoderImpl();
      69             : #else
      70           0 :   RTC_NOTREACHED();
      71           0 :   return nullptr;
      72             : #endif
      73             : }
      74             : 
      75           0 : bool H264Decoder::IsSupported() {
      76           0 :   return IsH264CodecSupported();
      77             : }
      78             : 
      79             : }  // namespace webrtc