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Introduced new transcoding service

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This commit is contained in:
emeric
2025-05-30 23:27:01 +02:00
parent 8cf2e2b660
commit dc52ea4ea5
32 changed files with 487 additions and 301 deletions
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src/libs/subsonic/impl/endpoints/MediaRetrieval.cpp
+36 -37
View File
@@ -19,11 +19,9 @@
#include "MediaRetrieval.hpp"
#include "av/Exception.hpp"
#include "av/IAudioFile.hpp"
#include "av/RawResourceHandlerCreator.hpp"
#include "av/TranscodingParameters.hpp"
#include "av/TranscodingResourceHandlerCreator.hpp"
#include "av/Types.hpp"
#include "core/FileResourceHandlerCreator.hpp"
#include "core/ILogger.hpp"
#include "core/IResourceHandler.hpp"
#include "core/String.hpp"
@@ -34,6 +32,7 @@
#include "database/TrackLyrics.hpp"
#include "database/User.hpp"
#include "services/artwork/IArtworkService.hpp"
#include "services/transcoding/ITranscodingService.hpp"
#include "CoverArtId.hpp"
#include "ParameterParsing.hpp"
@@ -47,12 +46,12 @@ namespace lms::api::subsonic
namespace
{
std::optional<av::transcoding::OutputFormat> subsonicStreamFormatToAvOutputFormat(std::string_view format)
std::optional<transcoding::OutputFormat> subsonicStreamFormatToAvOutputFormat(std::string_view format)
{
for (const auto& [str, avFormat] : std::initializer_list<std::pair<std::string_view, av::transcoding::OutputFormat>>{
{ "mp3", av::transcoding::OutputFormat::MP3 },
{ "opus", av::transcoding::OutputFormat::OGG_OPUS },
{ "vorbis", av::transcoding::OutputFormat::OGG_VORBIS },
for (const auto& [str, avFormat] : std::initializer_list<std::pair<std::string_view, transcoding::OutputFormat>>{
{ "mp3", transcoding::OutputFormat::MP3 },
{ "opus", transcoding::OutputFormat::OGG_OPUS },
{ "vorbis", transcoding::OutputFormat::OGG_VORBIS },
})
{
if (core::stringUtils::stringCaseInsensitiveEqual(str, format))
@@ -61,37 +60,37 @@ namespace lms::api::subsonic
return std::nullopt;
}
av::transcoding::OutputFormat userTranscodeFormatToAvFormat(db::TranscodingOutputFormat format)
transcoding::OutputFormat userTranscodeFormatToAvFormat(db::TranscodingOutputFormat format)
{
switch (format)
{
case db::TranscodingOutputFormat::MP3:
return av::transcoding::OutputFormat::MP3;
return transcoding::OutputFormat::MP3;
case db::TranscodingOutputFormat::OGG_OPUS:
return av::transcoding::OutputFormat::OGG_OPUS;
return transcoding::OutputFormat::OGG_OPUS;
case db::TranscodingOutputFormat::MATROSKA_OPUS:
return av::transcoding::OutputFormat::MATROSKA_OPUS;
return transcoding::OutputFormat::MATROSKA_OPUS;
case db::TranscodingOutputFormat::OGG_VORBIS:
return av::transcoding::OutputFormat::OGG_VORBIS;
return transcoding::OutputFormat::OGG_VORBIS;
case db::TranscodingOutputFormat::WEBM_VORBIS:
return av::transcoding::OutputFormat::WEBM_VORBIS;
return transcoding::OutputFormat::WEBM_VORBIS;
}
return av::transcoding::OutputFormat::OGG_OPUS;
return transcoding::OutputFormat::OGG_OPUS;
}
bool isCodecCompatibleWithOutputFormat(av::DecodingCodec codec, av::transcoding::OutputFormat outputFormat)
bool isCodecCompatibleWithOutputFormat(av::DecodingCodec codec, transcoding::OutputFormat outputFormat)
{
switch (outputFormat)
{
case av::transcoding::OutputFormat::MP3:
case transcoding::OutputFormat::MP3:
return codec == av::DecodingCodec::MP3;
case av::transcoding::OutputFormat::OGG_OPUS:
case av::transcoding::OutputFormat::MATROSKA_OPUS:
case transcoding::OutputFormat::OGG_OPUS:
case transcoding::OutputFormat::MATROSKA_OPUS:
return codec == av::DecodingCodec::OPUS;
case av::transcoding::OutputFormat::OGG_VORBIS:
case av::transcoding::OutputFormat::WEBM_VORBIS:
case transcoding::OutputFormat::OGG_VORBIS:
case transcoding::OutputFormat::WEBM_VORBIS:
return codec == av::DecodingCodec::VORBIS;
}
@@ -100,13 +99,14 @@ namespace lms::api::subsonic
struct StreamParameters
{
av::transcoding::InputParameters inputParameters;
std::optional<av::transcoding::OutputParameters> outputParameters;
transcoding::InputParameters inputParameters;
std::optional<transcoding::OutputParameters> outputParameters;
bool estimateContentLength{};
};
bool isOutputFormatCompatible(const std::filesystem::path& trackPath, av::transcoding::OutputFormat outputFormat)
bool isOutputFormatCompatible(const std::filesystem::path& trackPath, transcoding::OutputFormat outputFormat)
{
// TODO: put this information in db during scan
try
{
const auto audioFile{ av::parseAudioFile(trackPath) };
@@ -143,14 +143,15 @@ namespace lms::api::subsonic
if (!track)
throw RequestedDataNotFoundError{};
parameters.inputParameters.trackPath = track->getAbsoluteFilePath();
parameters.inputParameters.file = track->getAbsoluteFilePath();
parameters.inputParameters.duration = track->getDuration();
parameters.inputParameters.offset = std::chrono::seconds{ timeOffset };
parameters.estimateContentLength = estimateContentLength;
if (format == "raw") // raw => no transcoding
return parameters;
std::optional<av::transcoding::OutputFormat> requestedFormat{ subsonicStreamFormatToAvOutputFormat(format) };
std::optional<transcoding::OutputFormat> requestedFormat{ subsonicStreamFormatToAvOutputFormat(format) };
if (!requestedFormat)
{
if (context.user->getSubsonicEnableTranscodingByDefault())
@@ -185,10 +186,8 @@ namespace lms::api::subsonic
if (maxBitRate)
bitrate = std::min<std::size_t>(bitrate, maxBitRate);
av::transcoding::OutputParameters& outputParameters{ parameters.outputParameters.emplace() };
transcoding::OutputParameters& outputParameters{ parameters.outputParameters.emplace() };
outputParameters.stripMetadata = false; // We want clients to use metadata (offline use, replay gain, etc.)
outputParameters.offset = std::chrono::seconds{ timeOffset };
outputParameters.format = *requestedFormat;
outputParameters.bitrate = bitrate;
@@ -266,7 +265,7 @@ namespace lms::api::subsonic
void handleDownload(RequestContext& context, const Wt::Http::Request& request, Wt::Http::Response& response)
{
std::shared_ptr<IResourceHandler> resourceHandler;
std::shared_ptr<core::IResourceHandler> resourceHandler;
Wt::Http::ResponseContinuation* continuation{ request.continuation() };
if (!continuation)
@@ -285,11 +284,11 @@ namespace lms::api::subsonic
trackPath = track->getAbsoluteFilePath();
}
resourceHandler = av::createRawResourceHandler(trackPath);
resourceHandler = core::createFileResourceHandler(trackPath);
}
else
{
resourceHandler = Wt::cpp17::any_cast<std::shared_ptr<IResourceHandler>>(continuation->data());
resourceHandler = Wt::cpp17::any_cast<std::shared_ptr<core::IResourceHandler>>(continuation->data());
}
continuation = resourceHandler->processRequest(request, response);
@@ -299,7 +298,7 @@ namespace lms::api::subsonic
void handleStream(RequestContext& context, const Wt::Http::Request& request, Wt::Http::Response& response)
{
std::shared_ptr<IResourceHandler> resourceHandler;
std::shared_ptr<core::IResourceHandler> resourceHandler;
try
{
@@ -308,13 +307,13 @@ namespace lms::api::subsonic
{
StreamParameters streamParameters{ getStreamParameters(context) };
if (streamParameters.outputParameters)
resourceHandler = av::transcoding::createResourceHandler(streamParameters.inputParameters, *streamParameters.outputParameters, streamParameters.estimateContentLength);
resourceHandler = core::Service<transcoding::ITranscodingService>::get()->createResourceHandler(streamParameters.inputParameters, *streamParameters.outputParameters, streamParameters.estimateContentLength);
else
resourceHandler = av::createRawResourceHandler(streamParameters.inputParameters.trackPath);
resourceHandler = core::createFileResourceHandler(streamParameters.inputParameters.file);
}
else
{
resourceHandler = Wt::cpp17::any_cast<std::shared_ptr<IResourceHandler>>(continuation->data());
resourceHandler = Wt::cpp17::any_cast<std::shared_ptr<core::IResourceHandler>>(continuation->data());
}
continuation = resourceHandler->processRequest(request, response);