mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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79 lines
1.9 KiB
C++
79 lines
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "MP4Decoder.h"
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#include "MP4Reader.h"
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#include "MediaDecoderStateMachine.h"
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#include "mozilla/Preferences.h"
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namespace mozilla {
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MediaDecoderStateMachine* MP4Decoder::CreateStateMachine()
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{
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return new MediaDecoderStateMachine(this, new MP4Reader(this));
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}
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bool
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MP4Decoder::GetSupportedCodecs(const nsACString& aType,
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char const *const ** aCodecList)
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{
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if (!IsEnabled()) {
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return false;
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}
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// AAC in M4A.
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static char const *const aacAudioCodecs[] = {
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"mp4a.40.2", // AAC-LC
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// TODO: AAC-HE ?
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nullptr
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};
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if (aType.EqualsASCII("audio/mp4") ||
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aType.EqualsASCII("audio/x-m4a")) {
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if (aCodecList) {
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*aCodecList = aacAudioCodecs;
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}
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return true;
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}
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// H.264 + AAC in MP4.
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static char const *const h264Codecs[] = {
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"avc1.42E01E", // H.264 Constrained Baseline Profile Level 3.0
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"avc1.42001E", // H.264 Baseline Profile Level 3.0
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"avc1.58A01E", // H.264 Extended Profile Level 3.0
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"avc1.4D401E", // H.264 Main Profile Level 3.0
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"avc1.64001E", // H.264 High Profile Level 3.0
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"avc1.64001F", // H.264 High Profile Level 3.1
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"mp4a.40.2", // AAC-LC
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// TODO: There must be more profiles here?
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nullptr
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};
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if (aType.EqualsASCII("video/mp4")) {
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if (aCodecList) {
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*aCodecList = h264Codecs;
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}
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return true;
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}
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return false;
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}
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static bool
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HavePlatformMPEGDecoders()
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{
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return false;
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}
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/* static */
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bool
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MP4Decoder::IsEnabled()
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{
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return HavePlatformMPEGDecoders() &&
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Preferences::GetBool("media.fragmented-mp4.enabled");
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}
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} // namespace mozilla
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