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| 1 /* | 1 /* |
| 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ | 9 */ |
| 10 | 10 |
| 11 #include "webrtc/common_video/include/video_frame.h" | 11 #include "webrtc/common_video/include/video_frame.h" |
| 12 | 12 |
| 13 #include <string.h> | 13 #include <string.h> |
| 14 | 14 |
| 15 #include <algorithm> // swap | 15 #include <algorithm> // swap |
| 16 | 16 |
| 17 #include "webrtc/base/bind.h" | 17 #include "webrtc/rtc_base/bind.h" |
| 18 #include "webrtc/base/checks.h" | 18 #include "webrtc/rtc_base/checks.h" |
| 19 | 19 |
| 20 namespace webrtc { | 20 namespace webrtc { |
| 21 | 21 |
| 22 // FFmpeg's decoder, used by H264DecoderImpl, requires up to 8 bytes padding due | 22 // FFmpeg's decoder, used by H264DecoderImpl, requires up to 8 bytes padding due |
| 23 // to optimized bitstream readers. See avcodec_decode_video2. | 23 // to optimized bitstream readers. See avcodec_decode_video2. |
| 24 const size_t EncodedImage::kBufferPaddingBytesH264 = 8; | 24 const size_t EncodedImage::kBufferPaddingBytesH264 = 8; |
| 25 | 25 |
| 26 size_t EncodedImage::GetBufferPaddingBytes(VideoCodecType codec_type) { | 26 size_t EncodedImage::GetBufferPaddingBytes(VideoCodecType codec_type) { |
| 27 switch (codec_type) { | 27 switch (codec_type) { |
| 28 case kVideoCodecVP8: | 28 case kVideoCodecVP8: |
| 29 case kVideoCodecVP9: | 29 case kVideoCodecVP9: |
| 30 return 0; | 30 return 0; |
| 31 case kVideoCodecH264: | 31 case kVideoCodecH264: |
| 32 return kBufferPaddingBytesH264; | 32 return kBufferPaddingBytesH264; |
| 33 case kVideoCodecI420: | 33 case kVideoCodecI420: |
| 34 case kVideoCodecRED: | 34 case kVideoCodecRED: |
| 35 case kVideoCodecULPFEC: | 35 case kVideoCodecULPFEC: |
| 36 case kVideoCodecFlexfec: | 36 case kVideoCodecFlexfec: |
| 37 case kVideoCodecGeneric: | 37 case kVideoCodecGeneric: |
| 38 case kVideoCodecUnknown: | 38 case kVideoCodecUnknown: |
| 39 return 0; | 39 return 0; |
| 40 } | 40 } |
| 41 RTC_NOTREACHED(); | 41 RTC_NOTREACHED(); |
| 42 return 0; | 42 return 0; |
| 43 } | 43 } |
| 44 | 44 |
| 45 } // namespace webrtc | 45 } // namespace webrtc |
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