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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
commit0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch)
treea31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /dom/media/platforms/agnostic/TheoraDecoder.cpp
parentInitial commit. (diff)
downloadfirefox-esr-upstream/115.8.0esr.tar.xz
firefox-esr-upstream/115.8.0esr.zip
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/media/platforms/agnostic/TheoraDecoder.cpp')
-rw-r--r--dom/media/platforms/agnostic/TheoraDecoder.cpp267
1 files changed, 267 insertions, 0 deletions
diff --git a/dom/media/platforms/agnostic/TheoraDecoder.cpp b/dom/media/platforms/agnostic/TheoraDecoder.cpp
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+++ b/dom/media/platforms/agnostic/TheoraDecoder.cpp
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "TheoraDecoder.h"
+
+#include <algorithm>
+
+#include "ImageContainer.h"
+#include "TimeUnits.h"
+#include "XiphExtradata.h"
+#include "gfx2DGlue.h"
+#include "mozilla/PodOperations.h"
+#include "mozilla/TaskQueue.h"
+#include "nsError.h"
+#include "PerformanceRecorder.h"
+#include "VideoUtils.h"
+
+#undef LOG
+#define LOG(arg, ...) \
+ DDMOZ_LOG(gMediaDecoderLog, mozilla::LogLevel::Debug, "::%s: " arg, \
+ __func__, ##__VA_ARGS__)
+
+namespace mozilla {
+
+using namespace gfx;
+using namespace layers;
+
+extern LazyLogModule gMediaDecoderLog;
+
+ogg_packet InitTheoraPacket(const unsigned char* aData, size_t aLength,
+ bool aBOS, bool aEOS, int64_t aGranulepos,
+ int64_t aPacketNo) {
+ ogg_packet packet;
+ packet.packet = const_cast<unsigned char*>(aData);
+ packet.bytes = aLength;
+ packet.b_o_s = aBOS;
+ packet.e_o_s = aEOS;
+ packet.granulepos = aGranulepos;
+ packet.packetno = aPacketNo;
+ return packet;
+}
+
+TheoraDecoder::TheoraDecoder(const CreateDecoderParams& aParams)
+ : mImageAllocator(aParams.mKnowsCompositor),
+ mImageContainer(aParams.mImageContainer),
+ mTaskQueue(TaskQueue::Create(
+ GetMediaThreadPool(MediaThreadType::PLATFORM_DECODER),
+ "TheoraDecoder")),
+ mTheoraInfo{},
+ mTheoraComment{},
+ mTheoraSetupInfo(nullptr),
+ mTheoraDecoderContext(nullptr),
+ mPacketCount(0),
+ mInfo(aParams.VideoConfig()),
+ mTrackingId(aParams.mTrackingId) {
+ MOZ_COUNT_CTOR(TheoraDecoder);
+}
+
+TheoraDecoder::~TheoraDecoder() {
+ MOZ_COUNT_DTOR(TheoraDecoder);
+ th_setup_free(mTheoraSetupInfo);
+ th_comment_clear(&mTheoraComment);
+ th_info_clear(&mTheoraInfo);
+}
+
+RefPtr<ShutdownPromise> TheoraDecoder::Shutdown() {
+ RefPtr<TheoraDecoder> self = this;
+ return InvokeAsync(mTaskQueue, __func__, [self, this]() {
+ if (mTheoraDecoderContext) {
+ th_decode_free(mTheoraDecoderContext);
+ mTheoraDecoderContext = nullptr;
+ }
+ return mTaskQueue->BeginShutdown();
+ });
+}
+
+RefPtr<MediaDataDecoder::InitPromise> TheoraDecoder::Init() {
+ th_comment_init(&mTheoraComment);
+ th_info_init(&mTheoraInfo);
+
+ nsTArray<unsigned char*> headers;
+ nsTArray<size_t> headerLens;
+ if (!XiphExtradataToHeaders(headers, headerLens,
+ mInfo.mCodecSpecificConfig->Elements(),
+ mInfo.mCodecSpecificConfig->Length())) {
+ return InitPromise::CreateAndReject(
+ MediaResult(NS_ERROR_DOM_MEDIA_FATAL_ERR,
+ RESULT_DETAIL("Could not get theora header.")),
+ __func__);
+ }
+ for (size_t i = 0; i < headers.Length(); i++) {
+ if (NS_FAILED(DoDecodeHeader(headers[i], headerLens[i]))) {
+ return InitPromise::CreateAndReject(
+ MediaResult(NS_ERROR_DOM_MEDIA_FATAL_ERR,
+ RESULT_DETAIL("Could not decode theora header.")),
+ __func__);
+ }
+ }
+ if (mPacketCount != 3) {
+ return InitPromise::CreateAndReject(
+ MediaResult(NS_ERROR_DOM_MEDIA_FATAL_ERR,
+ RESULT_DETAIL("Packet count is wrong.")),
+ __func__);
+ }
+
+ mTheoraDecoderContext = th_decode_alloc(&mTheoraInfo, mTheoraSetupInfo);
+ if (mTheoraDecoderContext) {
+ return InitPromise::CreateAndResolve(TrackInfo::kVideoTrack, __func__);
+ } else {
+ return InitPromise::CreateAndReject(
+ MediaResult(NS_ERROR_OUT_OF_MEMORY,
+ RESULT_DETAIL("Could not allocate theora decoder.")),
+ __func__);
+ }
+}
+
+RefPtr<MediaDataDecoder::FlushPromise> TheoraDecoder::Flush() {
+ return InvokeAsync(mTaskQueue, __func__, []() {
+ return FlushPromise::CreateAndResolve(true, __func__);
+ });
+}
+
+nsresult TheoraDecoder::DoDecodeHeader(const unsigned char* aData,
+ size_t aLength) {
+ bool bos = mPacketCount == 0;
+ ogg_packet pkt =
+ InitTheoraPacket(aData, aLength, bos, false, 0, mPacketCount++);
+
+ int r = th_decode_headerin(&mTheoraInfo, &mTheoraComment, &mTheoraSetupInfo,
+ &pkt);
+ return r > 0 ? NS_OK : NS_ERROR_FAILURE;
+}
+
+RefPtr<MediaDataDecoder::DecodePromise> TheoraDecoder::ProcessDecode(
+ MediaRawData* aSample) {
+ MOZ_ASSERT(mTaskQueue->IsCurrentThreadIn());
+
+ MediaInfoFlag flag = MediaInfoFlag::None;
+ flag |= (aSample->mKeyframe ? MediaInfoFlag::KeyFrame
+ : MediaInfoFlag::NonKeyFrame);
+ flag |= MediaInfoFlag::SoftwareDecoding;
+ flag |= MediaInfoFlag::VIDEO_THEORA;
+ Maybe<PerformanceRecorder<DecodeStage>> rec =
+ mTrackingId.map([&](const auto& aId) {
+ return PerformanceRecorder<DecodeStage>("TheoraDecoder"_ns, aId, flag);
+ });
+
+ const unsigned char* aData = aSample->Data();
+ size_t aLength = aSample->Size();
+
+ bool bos = mPacketCount == 0;
+ ogg_packet pkt =
+ InitTheoraPacket(aData, aLength, bos, false,
+ aSample->mTimecode.ToMicroseconds(), mPacketCount++);
+
+ int ret = th_decode_packetin(mTheoraDecoderContext, &pkt, nullptr);
+ if (ret == 0 || ret == TH_DUPFRAME) {
+ th_ycbcr_buffer ycbcr;
+ th_decode_ycbcr_out(mTheoraDecoderContext, ycbcr);
+
+ int hdec = !(mTheoraInfo.pixel_fmt & 1);
+ int vdec = !(mTheoraInfo.pixel_fmt & 2);
+
+ VideoData::YCbCrBuffer b;
+ b.mPlanes[0].mData = ycbcr[0].data;
+ b.mPlanes[0].mStride = ycbcr[0].stride;
+ b.mPlanes[0].mHeight = mTheoraInfo.frame_height;
+ b.mPlanes[0].mWidth = mTheoraInfo.frame_width;
+ b.mPlanes[0].mSkip = 0;
+
+ b.mPlanes[1].mData = ycbcr[1].data;
+ b.mPlanes[1].mStride = ycbcr[1].stride;
+ b.mPlanes[1].mHeight = mTheoraInfo.frame_height >> vdec;
+ b.mPlanes[1].mWidth = mTheoraInfo.frame_width >> hdec;
+ b.mPlanes[1].mSkip = 0;
+
+ b.mPlanes[2].mData = ycbcr[2].data;
+ b.mPlanes[2].mStride = ycbcr[2].stride;
+ b.mPlanes[2].mHeight = mTheoraInfo.frame_height >> vdec;
+ b.mPlanes[2].mWidth = mTheoraInfo.frame_width >> hdec;
+ b.mPlanes[2].mSkip = 0;
+
+ if (vdec) {
+ b.mChromaSubsampling = gfx::ChromaSubsampling::HALF_WIDTH_AND_HEIGHT;
+ } else if (hdec) {
+ b.mChromaSubsampling = gfx::ChromaSubsampling::HALF_WIDTH;
+ }
+
+ b.mYUVColorSpace =
+ DefaultColorSpace({mTheoraInfo.frame_width, mTheoraInfo.frame_height});
+
+ IntRect pictureArea(mTheoraInfo.pic_x, mTheoraInfo.pic_y,
+ mTheoraInfo.pic_width, mTheoraInfo.pic_height);
+
+ VideoInfo info;
+ info.mDisplay = mInfo.mDisplay;
+ RefPtr<VideoData> v = VideoData::CreateAndCopyData(
+ info, mImageContainer, aSample->mOffset, aSample->mTime,
+ aSample->mDuration, b, aSample->mKeyframe, aSample->mTimecode,
+ mInfo.ScaledImageRect(mTheoraInfo.frame_width,
+ mTheoraInfo.frame_height),
+ mImageAllocator);
+ if (!v) {
+ LOG("Image allocation error source %ux%u display %ux%u picture %ux%u",
+ mTheoraInfo.frame_width, mTheoraInfo.frame_height,
+ mInfo.mDisplay.width, mInfo.mDisplay.height, mInfo.mImage.width,
+ mInfo.mImage.height);
+ return DecodePromise::CreateAndReject(
+ MediaResult(NS_ERROR_OUT_OF_MEMORY,
+ RESULT_DETAIL("Insufficient memory")),
+ __func__);
+ }
+
+ rec.apply([&](auto& aRec) {
+ aRec.Record([&](DecodeStage& aStage) {
+ aStage.SetResolution(static_cast<int>(mTheoraInfo.frame_width),
+ static_cast<int>(mTheoraInfo.frame_height));
+ auto format = [&]() -> Maybe<DecodeStage::ImageFormat> {
+ switch (mTheoraInfo.pixel_fmt) {
+ case TH_PF_420:
+ return Some(DecodeStage::YUV420P);
+ case TH_PF_422:
+ return Some(DecodeStage::YUV422P);
+ case TH_PF_444:
+ return Some(DecodeStage::YUV444P);
+ default:
+ return Nothing();
+ }
+ }();
+ format.apply([&](auto& aFmt) { aStage.SetImageFormat(aFmt); });
+ aStage.SetYUVColorSpace(b.mYUVColorSpace);
+ aStage.SetColorRange(b.mColorRange);
+ aStage.SetColorDepth(b.mColorDepth);
+ });
+ });
+
+ return DecodePromise::CreateAndResolve(DecodedData{v}, __func__);
+ }
+ LOG("Theora Decode error: %d", ret);
+ return DecodePromise::CreateAndReject(
+ MediaResult(NS_ERROR_DOM_MEDIA_DECODE_ERR,
+ RESULT_DETAIL("Theora decode error:%d", ret)),
+ __func__);
+}
+
+RefPtr<MediaDataDecoder::DecodePromise> TheoraDecoder::Decode(
+ MediaRawData* aSample) {
+ return InvokeAsync<MediaRawData*>(mTaskQueue, this, __func__,
+ &TheoraDecoder::ProcessDecode, aSample);
+}
+
+RefPtr<MediaDataDecoder::DecodePromise> TheoraDecoder::Drain() {
+ return InvokeAsync(mTaskQueue, __func__, [] {
+ return DecodePromise::CreateAndResolve(DecodedData(), __func__);
+ });
+}
+
+/* static */
+bool TheoraDecoder::IsTheora(const nsACString& aMimeType) {
+ return aMimeType.EqualsLiteral("video/theora");
+}
+
+} // namespace mozilla
+#undef LOG