externals: Add option to use system SoundTouch (#6971)
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@ -86,6 +86,7 @@ option(USE_SYSTEM_SDL2 "Use the system SDL2 lib (instead of the bundled one)" OF
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option(USE_SYSTEM_BOOST "Use the system Boost libs (instead of the bundled ones)" OFF)
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option(USE_SYSTEM_OPENSSL "Use the system OpenSSL libs (instead of the bundled LibreSSL)" OFF)
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option(USE_SYSTEM_LIBUSB "Use the system libusb (instead of the bundled libusb)" OFF)
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option(USE_SYSTEM_SOUNDTOUCH "Use the system SoundTouch (instead of the bundled one)" OFF)
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if (CITRA_USE_PRECOMPILED_HEADERS)
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message(STATUS "Using Precompiled Headers.")
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@ -389,6 +390,14 @@ if (ENABLE_LIBUSB AND USE_SYSTEM_LIBUSB)
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find_package(LibUSB)
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endif()
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if (USE_SYSTEM_SOUNDTOUCH)
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include(FindPkgConfig)
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find_package(SoundTouch REQUIRED)
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add_library(SoundTouch INTERFACE)
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target_link_libraries(SoundTouch INTERFACE "${SOUNDTOUCH_LIBRARIES}")
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target_include_directories(SoundTouch INTERFACE "${SOUNDTOUCH_INCLUDE_DIRS}")
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endif()
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add_subdirectory(src)
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add_subdirectory(dist/installer)
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@ -122,10 +122,13 @@ add_subdirectory(open_source_archives)
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add_subdirectory(library-headers EXCLUDE_FROM_ALL)
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# SoundTouch
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set(INTEGER_SAMPLES ON CACHE BOOL "")
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set(SOUNDSTRETCH OFF CACHE BOOL "")
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set(SOUNDTOUCH_DLL OFF CACHE BOOL "")
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add_subdirectory(soundtouch EXCLUDE_FROM_ALL)
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if(NOT USE_SYSTEM_SOUNDTOUCH)
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set(INTEGER_SAMPLES ON CACHE BOOL "")
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set(SOUNDSTRETCH OFF CACHE BOOL "")
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set(SOUNDTOUCH_DLL OFF CACHE BOOL "")
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add_subdirectory(soundtouch EXCLUDE_FROM_ALL)
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target_compile_definitions(SoundTouch PUBLIC SOUNDTOUCH_INTEGER_SAMPLES)
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endif()
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# sirit
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add_subdirectory(sirit EXCLUDE_FROM_ALL)
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@ -0,0 +1,27 @@
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if(NOT SOUNDTOUCH_FOUND)
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pkg_check_modules(SOUNDTOUCH_TMP soundtouch)
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find_path(SOUNDTOUCH_INCLUDE_DIRS NAMES SoundTouch.h
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PATHS
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${SOUNDTOUCH_TMP_INCLUDE_DIRS}
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/usr/include/soundtouch
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/usr/include
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/usr/local/include/soundtouch
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/usr/local/include
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)
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find_library(SOUNDTOUCH_LIBRARIES NAMES SoundTouch
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PATHS
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${SOUNDTOUCH_TMP_LIBRARY_DIRS}
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/usr/lib
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/usr/local/lib
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)
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if(SOUNDTOUCH_INCLUDE_DIRS AND SOUNDTOUCH_LIBRARIES)
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set(SOUNDTOUCH_FOUND TRUE CACHE INTERNAL "SoundTouch found")
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message(STATUS "Found SoundTouch: ${SOUNDTOUCH_INCLUDE_DIRS}, ${SOUNDTOUCH_LIBRARIES}")
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else()
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set(SOUNDTOUCH_FOUND FALSE CACHE INTERNAL "SoundTouch found")
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message(STATUS "SoundTouch not found.")
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endif()
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endif()
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@ -49,7 +49,6 @@ create_target_directory_groups(audio_core)
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target_link_libraries(audio_core PUBLIC citra_common citra_core)
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target_link_libraries(audio_core PRIVATE SoundTouch teakra)
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add_definitions(-DSOUNDTOUCH_INTEGER_SAMPLES)
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if(ENABLE_MF)
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target_sources(audio_core PRIVATE
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@ -5,7 +5,10 @@
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#include <algorithm>
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#include <cmath>
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#include <cstddef>
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#include <limits>
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#include <memory>
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#include <type_traits>
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#include <vector>
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#include <SoundTouch.h>
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#include "audio_core/audio_types.h"
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#include "audio_core/time_stretch.h"
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@ -62,8 +65,44 @@ std::size_t TimeStretcher::Process(const s16* in, std::size_t num_in, s16* out,
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LOG_TRACE(Audio, "{:5}/{:5} ratio:{:0.6f} backlog:{:0.6f}", num_in, num_out, stretch_ratio,
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backlog_fullness);
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sound_touch->putSamples(in, static_cast<u32>(num_in));
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return sound_touch->receiveSamples(out, static_cast<u32>(num_out));
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if constexpr (std::is_floating_point<soundtouch::SAMPLETYPE>()) {
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// The SoundTouch library on most systems expects float samples
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// use this vector to store input if soundtouch::SAMPLETYPE is a float
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std::vector<soundtouch::SAMPLETYPE> float_in(2 * num_in);
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std::vector<soundtouch::SAMPLETYPE> float_out(2 * num_out);
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for (std::size_t i = 0; i < (2 * num_in); i++) {
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// Conventional integer PCM uses a range of -32768 to 32767,
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// but float samples use -1 to 1
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// As a result we need to scale sample values during conversion
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const float temp = static_cast<float>(in[i]) / std::numeric_limits<s16>::max();
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float_in[i] = static_cast<soundtouch::SAMPLETYPE>(temp);
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}
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sound_touch->putSamples(float_in.data(), static_cast<u32>(num_in));
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const std::size_t samples_received =
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sound_touch->receiveSamples(float_out.data(), static_cast<u32>(num_out));
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// Converting output samples back to shorts so we can use them
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for (std::size_t i = 0; i < (2 * num_out); i++) {
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const s16 temp = static_cast<s16>(float_out[i] * std::numeric_limits<s16>::max());
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out[i] = temp;
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}
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return samples_received;
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} else if (std::is_same<soundtouch::SAMPLETYPE, s16>()) {
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// Use reinterpret_cast to workaround compile error when SAMPLETYPE is float.
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sound_touch->putSamples(reinterpret_cast<const soundtouch::SAMPLETYPE*>(in),
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static_cast<u32>(num_in));
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return sound_touch->receiveSamples(reinterpret_cast<soundtouch::SAMPLETYPE*>(out),
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static_cast<u32>(num_out));
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} else {
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static_assert(std::is_floating_point<soundtouch::SAMPLETYPE>() ||
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std::is_same<soundtouch::SAMPLETYPE, s16>());
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UNREACHABLE_MSG("Invalid SAMPLETYPE {}", typeid(soundtouch::SAMPLETYPE).name());
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return 0;
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}
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}
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void TimeStretcher::Clear() {
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