diff --git a/Telegram/SourceFiles/media/media_audio_ffmpeg_loader.cpp b/Telegram/SourceFiles/media/media_audio_ffmpeg_loader.cpp
index b2ecffc935..a04f53c07e 100644
--- a/Telegram/SourceFiles/media/media_audio_ffmpeg_loader.cpp
+++ b/Telegram/SourceFiles/media/media_audio_ffmpeg_loader.cpp
@@ -171,7 +171,15 @@ bool FFMpegLoader::open(qint64 &position) {
 		return false;
 	}
 
-	uint64_t layout = codecParams->channel_layout;
+	auto layout = codecParams->channel_layout;
+	if (!layout) {
+		auto channelsCount = codecParams->channels;
+		switch (channelsCount) {
+		case 1: layout = AV_CH_LAYOUT_MONO; break;
+		case 2: layout = AV_CH_LAYOUT_STEREO; break;
+		default: LOG(("Audio Error: Unknown channel layout for %1 channels.").arg(channelsCount)); break;
+		}
+	}
 	inputFormat = codecContext->sample_fmt;
 	switch (layout) {
 	case AV_CH_LAYOUT_MONO:
diff --git a/Telegram/SourceFiles/media/media_child_ffmpeg_loader.cpp b/Telegram/SourceFiles/media/media_child_ffmpeg_loader.cpp
index 2e6ad8b133..c3efa66651 100644
--- a/Telegram/SourceFiles/media/media_child_ffmpeg_loader.cpp
+++ b/Telegram/SourceFiles/media/media_child_ffmpeg_loader.cpp
@@ -42,7 +42,15 @@ bool ChildFFMpegLoader::open(qint64 &position) {
 	int res = 0;
 	char err[AV_ERROR_MAX_STRING_SIZE] = { 0 };
 
-	uint64_t layout = _parentData->context->channel_layout;
+	auto layout = _parentData->context->channel_layout;
+	if (!layout) {
+		auto channelsCount = _parentData->context->channels;
+		switch (channelsCount) {
+		case 1: layout = AV_CH_LAYOUT_MONO; break;
+		case 2: layout = AV_CH_LAYOUT_STEREO; break;
+		default: LOG(("Audio Error: Unknown channel layout for %1 channels.").arg(channelsCount)); break;
+		}
+	}
 	_inputFormat = _parentData->context->sample_fmt;
 	switch (layout) {
 	case AV_CH_LAYOUT_MONO:
diff --git a/Telegram/SourceFiles/media/player/media_player_widget.cpp b/Telegram/SourceFiles/media/player/media_player_widget.cpp
index b6c6010b0c..5269a88cb0 100644
--- a/Telegram/SourceFiles/media/player/media_player_widget.cpp
+++ b/Telegram/SourceFiles/media/player/media_player_widget.cpp
@@ -299,7 +299,7 @@ void Widget::updateRepeatTrackIcon() {
 }
 
 void Widget::handleSongUpdate(const TrackState &state) {
-	if (!state.id.audio() || !state.id.audio()->song()) {
+	if (!state.id.audio()) {
 		return;
 	}
 
@@ -334,8 +334,10 @@ void Widget::updateTimeText(const TrackState &state) {
 	if (!IsStopped(state.state) && state.state != State::Finishing) {
 		display = position = state.position;
 		duration = state.duration;
-	} else {
-		display = state.duration ? state.duration : (state.id.audio()->song()->duration * frequency);
+	} else if (state.duration) {
+		display = state.duration;
+	} else if (state.id.audio()->song()) {
+		display = (state.id.audio()->song()->duration * frequency);
 	}
 
 	_lastDurationMs = (state.duration * 1000LL) / frequency;
@@ -369,13 +371,10 @@ void Widget::updateTimeLabel() {
 void Widget::handleSongChange() {
 	auto &current = instance()->current();
 	auto song = current.audio()->song();
-	if (!song) {
-		return;
-	}
 
 	TextWithEntities textWithEntities;
-	if (song->performer.isEmpty()) {
-		textWithEntities.text = song->title.isEmpty() ? (current.audio()->name.isEmpty() ? qsl("Unknown Track") : current.audio()->name) : song->title;
+	if (!song || song->performer.isEmpty()) {
+		textWithEntities.text = (!song || song->title.isEmpty()) ? (current.audio()->name.isEmpty() ? qsl("Unknown Track") : current.audio()->name) : song->title;
 	} else {
 		auto title = song->title.isEmpty() ? qsl("Unknown Track") : textClean(song->title);
 		textWithEntities.text = song->performer + QString::fromUtf8(" \xe2\x80\x93 ") + title;
diff --git a/Telegram/SourceFiles/platform/win/audio_win.cpp b/Telegram/SourceFiles/platform/win/audio_win.cpp
index b83671502c..c5b9c45bea 100644
--- a/Telegram/SourceFiles/platform/win/audio_win.cpp
+++ b/Telegram/SourceFiles/platform/win/audio_win.cpp
@@ -88,16 +88,22 @@ STDMETHODIMP DeviceListener::OnPropertyValueChanged(LPCWSTR device_id, const PRO
 
 	// Sometimes unknown value change events come very frequently, like each 0.5 seconds.
 	// So we will handle only special value change events from mmdeviceapi.h
-	constexpr GUID pkey_AudioEndpoint = { 0x1da5d803, 0xd492, 0x4edd, { 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e } };
+	//
+	// We have logs of PKEY_AudioEndpoint_Disable_SysFx property change 3-5 times each second.
+	// So for now we disable PKEY_AudioEndpoint and both PKEY_AudioUnknown changes handling
+	//.
+	// constexpr GUID pkey_AudioEndpoint = { 0x1da5d803, 0xd492, 0x4edd, { 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e } };
 	constexpr GUID pkey_AudioEngine_Device = { 0xf19f064d, 0x82c, 0x4e27, { 0xbc, 0x73, 0x68, 0x82, 0xa1, 0xbb, 0x8e, 0x4c } };
 	constexpr GUID pkey_AudioEngine_OEM = { 0xe4870e26, 0x3cc5, 0x4cd2, { 0xba, 0x46, 0xca, 0xa, 0x9a, 0x70, 0xed, 0x4 } };
-	constexpr GUID pkey_AudioUnknown1 = { 0x3d6e1656, 0x2e50, 0x4c4c, { 0x8d, 0x85, 0xd0, 0xac, 0xae, 0x3c, 0x6c, 0x68 } };
-	constexpr GUID pkey_AudioUnknown2 = { 0x624f56de, 0xfd24, 0x473e, { 0x81, 0x4a, 0xde, 0x40, 0xaa, 0xca, 0xed, 0x16 } };
-	if (key.fmtid == pkey_AudioEndpoint
+	// constexpr GUID pkey_AudioUnknown1 = { 0x3d6e1656, 0x2e50, 0x4c4c, { 0x8d, 0x85, 0xd0, 0xac, 0xae, 0x3c, 0x6c, 0x68 } };
+	// constexpr GUID pkey_AudioUnknown2 = { 0x624f56de, 0xfd24, 0x473e, { 0x81, 0x4a, 0xde, 0x40, 0xaa, 0xca, 0xed, 0x16 } };
+	if (false
+//		|| key.fmtid == pkey_AudioEndpoint
 		|| key.fmtid == pkey_AudioEngine_Device
 		|| key.fmtid == pkey_AudioEngine_OEM
-		|| key.fmtid == pkey_AudioUnknown1
-		|| key.fmtid == pkey_AudioUnknown2) {
+//		|| key.fmtid == pkey_AudioUnknown1
+//		|| key.fmtid == pkey_AudioUnknown2
+		|| false) {
 		LOG(("Audio Info: OnPropertyValueChanged(%1, %2) scheduling detach from audio device.").arg(deviceName).arg(keyName));
 		Media::Player::DetachFromDeviceByTimer();
 	} else {
diff --git a/Telegram/SourceFiles/structs.cpp b/Telegram/SourceFiles/structs.cpp
index ed799fe7f8..2db45907ee 100644
--- a/Telegram/SourceFiles/structs.cpp
+++ b/Telegram/SourceFiles/structs.cpp
@@ -1149,7 +1149,7 @@ void DocumentOpenClickHandler::doOpen(DocumentData *data, HistoryItem *context,
 
 	auto msgId = context ? context->fullId() : FullMsgId();
 	bool playVoice = data->voice();
-	bool playMusic = data->song();
+	bool playMusic = data->tryPlaySong();
 	bool playVideo = data->isVideo();
 	bool playAnimation = data->isAnimation();
 	auto &location = data->location(true);
diff --git a/Telegram/SourceFiles/structs.h b/Telegram/SourceFiles/structs.h
index 4d96ac593c..2c4eb28039 100644
--- a/Telegram/SourceFiles/structs.h
+++ b/Telegram/SourceFiles/structs.h
@@ -1206,6 +1206,9 @@ public:
 	bool isTheme() const {
 		return name.endsWith(qstr(".tdesktop-theme"), Qt::CaseInsensitive) || name.endsWith(qstr(".tdesktop-palette"), Qt::CaseInsensitive);
 	}
+	bool tryPlaySong() const {
+		return (song() != nullptr) || mime.startsWith(qstr("audio/"), Qt::CaseInsensitive);
+	}
 	bool isMusic() const {
 		if (auto s = song()) {
 			return (s->duration > 0);
@@ -1347,10 +1350,10 @@ private:
 	void setTypeFromAudio() {
 		if (_audio->voice()) {
 			_type = Type::Voice;
-		} else if (_audio->song()) {
-			_type = Type::Song;
 		} else if (_audio->isVideo()) {
 			_type = Type::Video;
+		} else if (_audio->tryPlaySong()) {
+			_type = Type::Song;
 		} else {
 			_type = Type::Unknown;
 		}
diff --git a/docs/building-cmake.md b/docs/building-cmake.md
index a7c727fde9..cd5e993d81 100644
--- a/docs/building-cmake.md
+++ b/docs/building-cmake.md
@@ -79,7 +79,7 @@ In Terminal go to **/home/user/TBuild/Libraries** and run
     sudo apt-get -y --force-yes install autoconf automake build-essential libass-dev libfreetype6-dev libgpac-dev libsdl1.2-dev libtheora-dev libtool libva-dev libvdpau-dev libvorbis-dev libxcb1-dev libxcb-shm0-dev libxcb-xfixes0-dev pkg-config texi2html zlib1g-dev
     sudo apt-get install yasm
 
-    ./configure --prefix=/usr/local --disable-programs --disable-doc --disable-everything --enable-protocol=file --enable-libopus --enable-decoder=aac --enable-decoder=aac_latm --enable-decoder=aasc --enable-decoder=flac --enable-decoder=gif --enable-decoder=h264 --enable-decoder=h264_vdpau --enable-decoder=mp1 --enable-decoder=mp1float --enable-decoder=mp2 --enable-decoder=mp2float --enable-decoder=mp3 --enable-decoder=mp3adu --enable-decoder=mp3adufloat --enable-decoder=mp3float --enable-decoder=mp3on4 --enable-decoder=mp3on4float --enable-decoder=mpeg4 --enable-decoder=mpeg4_vdpau --enable-decoder=msmpeg4v2 --enable-decoder=msmpeg4v3 --enable-decoder=opus --enable-decoder=vorbis --enable-decoder=wavpack --enable-decoder=wmalossless --enable-decoder=wmapro --enable-decoder=wmav1 --enable-decoder=wmav2 --enable-decoder=wmavoice --enable-encoder=libopus --enable-hwaccel=h264_vaapi --enable-hwaccel=h264_vdpau --enable-hwaccel=mpeg4_vaapi --enable-hwaccel=mpeg4_vdpau --enable-parser=aac --enable-parser=aac_latm --enable-parser=flac --enable-parser=h264 --enable-parser=mpeg4video --enable-parser=mpegaudio --enable-parser=opus --enable-parser=vorbis --enable-demuxer=aac --enable-demuxer=flac --enable-demuxer=gif --enable-demuxer=h264 --enable-demuxer=mov --enable-demuxer=mp3 --enable-demuxer=ogg --enable-demuxer=wav --enable-muxer=ogg --enable-muxer=opus
+    ./configure --prefix=/usr/local --disable-programs --disable-doc --disable-everything --enable-protocol=file --enable-libopus --enable-decoder=aac --enable-decoder=aac_latm --enable-decoder=aasc --enable-decoder=flac --enable-decoder=gif --enable-decoder=h264 --enable-decoder=h264_vdpau --enable-decoder=mp1 --enable-decoder=mp1float --enable-decoder=mp2 --enable-decoder=mp2float --enable-decoder=mp3 --enable-decoder=mp3adu --enable-decoder=mp3adufloat --enable-decoder=mp3float --enable-decoder=mp3on4 --enable-decoder=mp3on4float --enable-decoder=mpeg4 --enable-decoder=mpeg4_vdpau --enable-decoder=msmpeg4v2 --enable-decoder=msmpeg4v3 --enable-decoder=opus --enable-decoder=pcm_alaw --enable-decoder=pcm_alaw_at --enable-decoder=pcm_f32be --enable-decoder=pcm_f32le --enable-decoder=pcm_f64be --enable-decoder=pcm_f64le --enable-decoder=pcm_lxf --enable-decoder=pcm_mulaw --enable-decoder=pcm_mulaw_at --enable-decoder=pcm_s16be --enable-decoder=pcm_s16be_planar --enable-decoder=pcm_s16le --enable-decoder=pcm_s16le_planar --enable-decoder=pcm_s24be --enable-decoder=pcm_s24daud --enable-decoder=pcm_s24le --enable-decoder=pcm_s24le_planar --enable-decoder=pcm_s32be --enable-decoder=pcm_s32le --enable-decoder=pcm_s32le_planar --enable-decoder=pcm_s64be --enable-decoder=pcm_s64le --enable-decoder=pcm_s8 --enable-decoder=pcm_s8_planar --enable-decoder=pcm_u16be --enable-decoder=pcm_u16le --enable-decoder=pcm_u24be --enable-decoder=pcm_u24le --enable-decoder=pcm_u32be --enable-decoder=pcm_u32le --enable-decoder=pcm_u8 --enable-decoder=pcm_zork --enable-decoder=vorbis --enable-decoder=wavpack --enable-decoder=wmalossless --enable-decoder=wmapro --enable-decoder=wmav1 --enable-decoder=wmav2 --enable-decoder=wmavoice --enable-encoder=libopus --enable-hwaccel=h264_vaapi --enable-hwaccel=h264_vdpau --enable-hwaccel=mpeg4_vaapi --enable-hwaccel=mpeg4_vdpau --enable-parser=aac --enable-parser=aac_latm --enable-parser=flac --enable-parser=h264 --enable-parser=mpeg4video --enable-parser=mpegaudio --enable-parser=opus --enable-parser=vorbis --enable-demuxer=aac --enable-demuxer=flac --enable-demuxer=gif --enable-demuxer=h264 --enable-demuxer=mov --enable-demuxer=mp3 --enable-demuxer=ogg --enable-demuxer=wav --enable-muxer=ogg --enable-muxer=opus
 
     make
     sudo make install
diff --git a/docs/building-msvc.md b/docs/building-msvc.md
index 495a087b8a..41846f3ec8 100644
--- a/docs/building-msvc.md
+++ b/docs/building-msvc.md
@@ -40,7 +40,7 @@ All commands (if not stated otherwise) will be launched from **VS2015 x86 Native
 #### A note on D:\\TBuild
 
 ***In case you don't have a *D* drive, or prefer to use another working directory.***
-Since all of the examples and commands here are using the *D* drive, you might find it more comfortable to map the drive to a folder you of your choice. 
+Since all of the examples and commands here are using the *D* drive, you might find it more comfortable to map the drive to a folder you of your choice.
 For example, to map *D:\\* to *C:\\base_folder_for_telegram_dev*, open the cmd and execute: `subst D: C:\base_folder_for_telegram_dev`.
 
 ## Clone source code
@@ -183,7 +183,7 @@ While still running the VS2015 x86 Native Tools Command Prompt, go to **D:\\msys
 
     PKG_CONFIG_PATH="/mingw64/lib/pkgconfig:$PKG_CONFIG_PATH"
 
-    ./configure --toolchain=msvc --disable-programs --disable-doc --disable-everything --enable-protocol=file --enable-libopus --enable-decoder=aac --enable-decoder=aac_latm --enable-decoder=aasc --enable-decoder=flac --enable-decoder=gif --enable-decoder=h264 --enable-decoder=mp1 --enable-decoder=mp1float --enable-decoder=mp2 --enable-decoder=mp2float --enable-decoder=mp3 --enable-decoder=mp3adu --enable-decoder=mp3adufloat --enable-decoder=mp3float --enable-decoder=mp3on4 --enable-decoder=mp3on4float --enable-decoder=mpeg4 --enable-decoder=msmpeg4v2 --enable-decoder=msmpeg4v3 --enable-decoder=wavpack --enable-decoder=opus --enable-decoder=vorbis --enable-decoder=wmalossless --enable-decoder=wmapro --enable-decoder=wmav1 --enable-decoder=wmav2 --enable-decoder=wmavoice --enable-encoder=libopus --enable-hwaccel=h264_d3d11va --enable-hwaccel=h264_dxva2 --enable-parser=aac --enable-parser=aac_latm --enable-parser=flac --enable-parser=h264 --enable-parser=mpeg4video --enable-parser=mpegaudio --enable-parser=opus --enable-parser=vorbis --enable-demuxer=aac --enable-demuxer=flac --enable-demuxer=gif --enable-demuxer=h264 --enable-demuxer=mov --enable-demuxer=mp3 --enable-demuxer=ogg --enable-demuxer=wav --enable-muxer=ogg --enable-muxer=opus --extra-ldflags="-libpath:/d/TBuild/Libraries/opus/win32/VS2010/Win32/Release celt.lib silk_common.lib silk_float.lib"
+    ./configure --toolchain=msvc --disable-programs --disable-doc --disable-everything --enable-protocol=file --enable-libopus --enable-decoder=aac --enable-decoder=aac_latm --enable-decoder=aasc --enable-decoder=flac --enable-decoder=gif --enable-decoder=h264 --enable-decoder=mp1 --enable-decoder=mp1float --enable-decoder=mp2 --enable-decoder=mp2float --enable-decoder=mp3 --enable-decoder=mp3adu --enable-decoder=mp3adufloat --enable-decoder=mp3float --enable-decoder=mp3on4 --enable-decoder=mp3on4float --enable-decoder=mpeg4 --enable-decoder=msmpeg4v2 --enable-decoder=msmpeg4v3 --enable-decoder=wavpack --enable-decoder=opus --enable-decoder=pcm_alaw --enable-decoder=pcm_alaw_at --enable-decoder=pcm_f32be --enable-decoder=pcm_f32le --enable-decoder=pcm_f64be --enable-decoder=pcm_f64le --enable-decoder=pcm_lxf --enable-decoder=pcm_mulaw --enable-decoder=pcm_mulaw_at --enable-decoder=pcm_s16be --enable-decoder=pcm_s16be_planar --enable-decoder=pcm_s16le --enable-decoder=pcm_s16le_planar --enable-decoder=pcm_s24be --enable-decoder=pcm_s24daud --enable-decoder=pcm_s24le --enable-decoder=pcm_s24le_planar --enable-decoder=pcm_s32be --enable-decoder=pcm_s32le --enable-decoder=pcm_s32le_planar --enable-decoder=pcm_s64be --enable-decoder=pcm_s64le --enable-decoder=pcm_s8 --enable-decoder=pcm_s8_planar --enable-decoder=pcm_u16be --enable-decoder=pcm_u16le --enable-decoder=pcm_u24be --enable-decoder=pcm_u24le --enable-decoder=pcm_u32be --enable-decoder=pcm_u32le --enable-decoder=pcm_u8 --enable-decoder=pcm_zork --enable-decoder=vorbis --enable-decoder=wmalossless --enable-decoder=wmapro --enable-decoder=wmav1 --enable-decoder=wmav2 --enable-decoder=wmavoice --enable-encoder=libopus --enable-hwaccel=h264_d3d11va --enable-hwaccel=h264_dxva2 --enable-parser=aac --enable-parser=aac_latm --enable-parser=flac --enable-parser=h264 --enable-parser=mpeg4video --enable-parser=mpegaudio --enable-parser=opus --enable-parser=vorbis --enable-demuxer=aac --enable-demuxer=flac --enable-demuxer=gif --enable-demuxer=h264 --enable-demuxer=mov --enable-demuxer=mp3 --enable-demuxer=ogg --enable-demuxer=wav --enable-muxer=ogg --enable-muxer=opus --extra-ldflags="-libpath:/d/TBuild/Libraries/opus/win32/VS2010/Win32/Release celt.lib silk_common.lib silk_float.lib"
 
     make
     make install
@@ -279,7 +279,7 @@ run `git reset --hard HEAD` and execute `gclient` again
     git clone https://chromium.googlesource.com/external/gyp
     SET PATH=%PATH%;D:\TBuild\Libraries\gyp;D:\TBuild\Libraries\ninja;
     cd ..\tdesktop\Telegram
-    
+
 Also, actually add **D:\\TBuild\\Libraries\\ninja\\** (not just for running the **gyp** command) to your path environment variable, since Telegram needs it for the build process.
 
 If you want to pass a build define (like `TDESKTOP_DISABLE_AUTOUPDATE` or `TDESKTOP_DISABLE_NETWORK_PROXY`), call `set TDESKTOP_BUILD_DEFINES=TDESKTOP_DISABLE_AUTOUPDATE,TDESKTOP_DISABLE_NETWORK_PROXY,...` (comma seperated string)
@@ -291,7 +291,7 @@ After, call `gyp\refresh.bat` (python 2.7 needed)
 * Launch VS2015 for configuring Qt5Package
 * QT5 > Qt Options > Add
   * Version name: **Qt 5.6.22Win32**
-  * Path: **D:\TBuild\Libraries\qt5_6_2\qtbase** 
+  * Path: **D:\TBuild\Libraries\qt5_6_2\qtbase**
     * If you made a network map, here you should use the real path! (e.g *C:\base_folder_for_telegram_dev* or what you used at the beginning)
 * Default Qt/Win version: **Qt 5.6.2 Win32** – **OK** - You may need to restart Visual Studio for this to take effect.
 
diff --git a/docs/building-qtcreator.md b/docs/building-qtcreator.md
index 379443790e..90a46935c8 100644
--- a/docs/building-qtcreator.md
+++ b/docs/building-qtcreator.md
@@ -75,7 +75,7 @@ In Terminal go to **/home/user/TBuild/Libraries** and run
     sudo apt-get -y --force-yes install autoconf automake build-essential libass-dev libfreetype6-dev libgpac-dev libsdl1.2-dev libtheora-dev libtool libva-dev libvdpau-dev libvorbis-dev libxcb1-dev libxcb-shm0-dev libxcb-xfixes0-dev pkg-config texi2html zlib1g-dev
     sudo apt-get install yasm
 
-    ./configure --prefix=/usr/local --disable-programs --disable-doc --disable-everything --enable-protocol=file --enable-libopus --enable-decoder=aac --enable-decoder=aac_latm --enable-decoder=aasc --enable-decoder=flac --enable-decoder=gif --enable-decoder=h264 --enable-decoder=h264_vdpau --enable-decoder=mp1 --enable-decoder=mp1float --enable-decoder=mp2 --enable-decoder=mp2float --enable-decoder=mp3 --enable-decoder=mp3adu --enable-decoder=mp3adufloat --enable-decoder=mp3float --enable-decoder=mp3on4 --enable-decoder=mp3on4float --enable-decoder=mpeg4 --enable-decoder=mpeg4_vdpau --enable-decoder=msmpeg4v2 --enable-decoder=msmpeg4v3 --enable-decoder=opus --enable-decoder=vorbis --enable-decoder=wavpack --enable-decoder=wmalossless --enable-decoder=wmapro --enable-decoder=wmav1 --enable-decoder=wmav2 --enable-decoder=wmavoice --enable-encoder=libopus --enable-hwaccel=h264_vaapi --enable-hwaccel=h264_vdpau --enable-hwaccel=mpeg4_vaapi --enable-hwaccel=mpeg4_vdpau --enable-parser=aac --enable-parser=aac_latm --enable-parser=flac --enable-parser=h264 --enable-parser=mpeg4video --enable-parser=mpegaudio --enable-parser=opus --enable-parser=vorbis --enable-demuxer=aac --enable-demuxer=flac --enable-demuxer=gif --enable-demuxer=h264 --enable-demuxer=mov --enable-demuxer=mp3 --enable-demuxer=ogg --enable-demuxer=wav --enable-muxer=ogg --enable-muxer=opus
+    ./configure --prefix=/usr/local --disable-programs --disable-doc --disable-everything --enable-protocol=file --enable-libopus --enable-decoder=aac --enable-decoder=aac_latm --enable-decoder=aasc --enable-decoder=flac --enable-decoder=gif --enable-decoder=h264 --enable-decoder=h264_vdpau --enable-decoder=mp1 --enable-decoder=mp1float --enable-decoder=mp2 --enable-decoder=mp2float --enable-decoder=mp3 --enable-decoder=mp3adu --enable-decoder=mp3adufloat --enable-decoder=mp3float --enable-decoder=mp3on4 --enable-decoder=mp3on4float --enable-decoder=mpeg4 --enable-decoder=mpeg4_vdpau --enable-decoder=msmpeg4v2 --enable-decoder=msmpeg4v3 --enable-decoder=opus --enable-decoder=pcm_alaw --enable-decoder=pcm_alaw_at --enable-decoder=pcm_f32be --enable-decoder=pcm_f32le --enable-decoder=pcm_f64be --enable-decoder=pcm_f64le --enable-decoder=pcm_lxf --enable-decoder=pcm_mulaw --enable-decoder=pcm_mulaw_at --enable-decoder=pcm_s16be --enable-decoder=pcm_s16be_planar --enable-decoder=pcm_s16le --enable-decoder=pcm_s16le_planar --enable-decoder=pcm_s24be --enable-decoder=pcm_s24daud --enable-decoder=pcm_s24le --enable-decoder=pcm_s24le_planar --enable-decoder=pcm_s32be --enable-decoder=pcm_s32le --enable-decoder=pcm_s32le_planar --enable-decoder=pcm_s64be --enable-decoder=pcm_s64le --enable-decoder=pcm_s8 --enable-decoder=pcm_s8_planar --enable-decoder=pcm_u16be --enable-decoder=pcm_u16le --enable-decoder=pcm_u24be --enable-decoder=pcm_u24le --enable-decoder=pcm_u32be --enable-decoder=pcm_u32le --enable-decoder=pcm_u8 --enable-decoder=pcm_zork --enable-decoder=vorbis --enable-decoder=wavpack --enable-decoder=wmalossless --enable-decoder=wmapro --enable-decoder=wmav1 --enable-decoder=wmav2 --enable-decoder=wmavoice --enable-encoder=libopus --enable-hwaccel=h264_vaapi --enable-hwaccel=h264_vdpau --enable-hwaccel=mpeg4_vaapi --enable-hwaccel=mpeg4_vdpau --enable-parser=aac --enable-parser=aac_latm --enable-parser=flac --enable-parser=h264 --enable-parser=mpeg4video --enable-parser=mpegaudio --enable-parser=opus --enable-parser=vorbis --enable-demuxer=aac --enable-demuxer=flac --enable-demuxer=gif --enable-demuxer=h264 --enable-demuxer=mov --enable-demuxer=mp3 --enable-demuxer=ogg --enable-demuxer=wav --enable-muxer=ogg --enable-muxer=opus
 
     make
     sudo make install
diff --git a/docs/building-xcode-old.md b/docs/building-xcode-old.md
index 21d8e340bc..3c857b6254 100644
--- a/docs/building-xcode-old.md
+++ b/docs/building-xcode-old.md
@@ -172,7 +172,7 @@ Then in Terminal go to **/Users/user/TBuild/Libraries/macold/ffmpeg** and run
     LDFLAGS=`freetype-config --libs`
     PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig:/usr/lib/pkgconfig:/usr/X11/lib/pkgconfig
 
-    ./configure --prefix=/usr/local/macold --disable-programs --disable-doc --disable-everything --enable-protocol=file --enable-libopus --enable-decoder=aac --enable-decoder=aac_latm --enable-decoder=aasc --enable-decoder=flac --enable-decoder=gif --enable-decoder=h264 --enable-decoder=mp1 --enable-decoder=mp1float --enable-decoder=mp2 --enable-decoder=mp2float --enable-decoder=mp3 --enable-decoder=mp3adu --enable-decoder=mp3adufloat --enable-decoder=mp3float --enable-decoder=mp3on4 --enable-decoder=mp3on4float --enable-decoder=mpeg4 --enable-decoder=msmpeg4v2 --enable-decoder=msmpeg4v3 --enable-decoder=opus --enable-decoder=vorbis --enable-decoder=wavpack --enable-decoder=wmalossless --enable-decoder=wmapro --enable-decoder=wmav1 --enable-decoder=wmav2 --enable-decoder=wmavoice --enable-encoder=libopus --enable-parser=aac --enable-parser=aac_latm --enable-parser=flac --enable-parser=h264 --enable-parser=mpeg4video --enable-parser=mpegaudio --enable-parser=opus --enable-parser=vorbis --enable-demuxer=aac --enable-demuxer=flac --enable-demuxer=gif --enable-demuxer=h264 --enable-demuxer=mov --enable-demuxer=mp3 --enable-demuxer=ogg --enable-demuxer=wav --enable-muxer=ogg --enable-muxer=opus --extra-cflags="-mmacosx-version-min=10.6" --extra-cxxflags="-mmacosx-version-min=10.6 -nostdinc++" --extra-ldflags="-mmacosx-version-min=10.6"
+    ./configure --prefix=/usr/local/macold --disable-programs --disable-doc --disable-everything --enable-protocol=file --enable-libopus --enable-decoder=aac --enable-decoder=aac_latm --enable-decoder=aasc --enable-decoder=flac --enable-decoder=gif --enable-decoder=h264 --enable-decoder=mp1 --enable-decoder=mp1float --enable-decoder=mp2 --enable-decoder=mp2float --enable-decoder=mp3 --enable-decoder=mp3adu --enable-decoder=mp3adufloat --enable-decoder=mp3float --enable-decoder=mp3on4 --enable-decoder=mp3on4float --enable-decoder=mpeg4 --enable-decoder=msmpeg4v2 --enable-decoder=msmpeg4v3 --enable-decoder=opus --enable-decoder=pcm_alaw --enable-decoder=pcm_alaw_at --enable-decoder=pcm_f32be --enable-decoder=pcm_f32le --enable-decoder=pcm_f64be --enable-decoder=pcm_f64le --enable-decoder=pcm_lxf --enable-decoder=pcm_mulaw --enable-decoder=pcm_mulaw_at --enable-decoder=pcm_s16be --enable-decoder=pcm_s16be_planar --enable-decoder=pcm_s16le --enable-decoder=pcm_s16le_planar --enable-decoder=pcm_s24be --enable-decoder=pcm_s24daud --enable-decoder=pcm_s24le --enable-decoder=pcm_s24le_planar --enable-decoder=pcm_s32be --enable-decoder=pcm_s32le --enable-decoder=pcm_s32le_planar --enable-decoder=pcm_s64be --enable-decoder=pcm_s64le --enable-decoder=pcm_s8 --enable-decoder=pcm_s8_planar --enable-decoder=pcm_u16be --enable-decoder=pcm_u16le --enable-decoder=pcm_u24be --enable-decoder=pcm_u24le --enable-decoder=pcm_u32be --enable-decoder=pcm_u32le --enable-decoder=pcm_u8 --enable-decoder=pcm_zork --enable-decoder=vorbis --enable-decoder=wavpack --enable-decoder=wmalossless --enable-decoder=wmapro --enable-decoder=wmav1 --enable-decoder=wmav2 --enable-decoder=wmavoice --enable-encoder=libopus --enable-parser=aac --enable-parser=aac_latm --enable-parser=flac --enable-parser=h264 --enable-parser=mpeg4video --enable-parser=mpegaudio --enable-parser=opus --enable-parser=vorbis --enable-demuxer=aac --enable-demuxer=flac --enable-demuxer=gif --enable-demuxer=h264 --enable-demuxer=mov --enable-demuxer=mp3 --enable-demuxer=ogg --enable-demuxer=wav --enable-muxer=ogg --enable-muxer=opus --extra-cflags="-mmacosx-version-min=10.6" --extra-cxxflags="-mmacosx-version-min=10.6 -nostdinc++" --extra-ldflags="-mmacosx-version-min=10.6"
 
     make
     sudo make install
diff --git a/docs/building-xcode.md b/docs/building-xcode.md
index e1c6f0c40a..8c8684781d 100644
--- a/docs/building-xcode.md
+++ b/docs/building-xcode.md
@@ -170,7 +170,7 @@ Then in Terminal go to **/Users/user/TBuild/Libraries/ffmpeg** and run:
     LDFLAGS=`freetype-config --libs`
     PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig:/usr/lib/pkgconfig:/usr/X11/lib/pkgconfig
 
-    ./configure --prefix=/usr/local --disable-programs --disable-doc --disable-everything --enable-protocol=file --enable-libopus --enable-decoder=aac --enable-decoder=aac_latm --enable-decoder=aasc --enable-decoder=flac --enable-decoder=gif --enable-decoder=h264 --enable-decoder=h264_vda --enable-decoder=mp1 --enable-decoder=mp1float --enable-decoder=mp2 --enable-decoder=mp2float --enable-decoder=mp3 --enable-decoder=mp3adu --enable-decoder=mp3adufloat --enable-decoder=mp3float --enable-decoder=mp3on4 --enable-decoder=mp3on4float --enable-decoder=mpeg4 --enable-decoder=msmpeg4v2 --enable-decoder=msmpeg4v3 --enable-decoder=opus --enable-decoder=vorbis --enable-decoder=wavpack --enable-decoder=wmalossless --enable-decoder=wmapro --enable-decoder=wmav1 --enable-decoder=wmav2 --enable-decoder=wmavoice --enable-encoder=libopus --enable-hwaccel=mpeg4_videotoolbox --enable-hwaccel=h264_vda --enable-hwaccel=h264_videotoolbox --enable-parser=aac --enable-parser=aac_latm --enable-parser=flac --enable-parser=h264 --enable-parser=mpeg4video --enable-parser=mpegaudio --enable-parser=opus --enable-parser=vorbis --enable-demuxer=aac --enable-demuxer=flac --enable-demuxer=gif --enable-demuxer=h264 --enable-demuxer=mov --enable-demuxer=mp3 --enable-demuxer=ogg --enable-demuxer=wav --enable-muxer=ogg --enable-muxer=opus --extra-cflags="-mmacosx-version-min=10.8" --extra-cxxflags="-mmacosx-version-min=10.8" --extra-ldflags="-mmacosx-version-min=10.8"
+    ./configure --prefix=/usr/local --disable-programs --disable-doc --disable-everything --enable-protocol=file --enable-libopus --enable-decoder=aac --enable-decoder=aac_latm --enable-decoder=aasc --enable-decoder=flac --enable-decoder=gif --enable-decoder=h264 --enable-decoder=h264_vda --enable-decoder=mp1 --enable-decoder=mp1float --enable-decoder=mp2 --enable-decoder=mp2float --enable-decoder=mp3 --enable-decoder=mp3adu --enable-decoder=mp3adufloat --enable-decoder=mp3float --enable-decoder=mp3on4 --enable-decoder=mp3on4float --enable-decoder=mpeg4 --enable-decoder=msmpeg4v2 --enable-decoder=msmpeg4v3 --enable-decoder=opus --enable-decoder=pcm_alaw --enable-decoder=pcm_alaw_at --enable-decoder=pcm_f32be --enable-decoder=pcm_f32le --enable-decoder=pcm_f64be --enable-decoder=pcm_f64le --enable-decoder=pcm_lxf --enable-decoder=pcm_mulaw --enable-decoder=pcm_mulaw_at --enable-decoder=pcm_s16be --enable-decoder=pcm_s16be_planar --enable-decoder=pcm_s16le --enable-decoder=pcm_s16le_planar --enable-decoder=pcm_s24be --enable-decoder=pcm_s24daud --enable-decoder=pcm_s24le --enable-decoder=pcm_s24le_planar --enable-decoder=pcm_s32be --enable-decoder=pcm_s32le --enable-decoder=pcm_s32le_planar --enable-decoder=pcm_s64be --enable-decoder=pcm_s64le --enable-decoder=pcm_s8 --enable-decoder=pcm_s8_planar --enable-decoder=pcm_u16be --enable-decoder=pcm_u16le --enable-decoder=pcm_u24be --enable-decoder=pcm_u24le --enable-decoder=pcm_u32be --enable-decoder=pcm_u32le --enable-decoder=pcm_u8 --enable-decoder=pcm_zork --enable-decoder=vorbis --enable-decoder=wavpack --enable-decoder=wmalossless --enable-decoder=wmapro --enable-decoder=wmav1 --enable-decoder=wmav2 --enable-decoder=wmavoice --enable-encoder=libopus --enable-hwaccel=mpeg4_videotoolbox --enable-hwaccel=h264_vda --enable-hwaccel=h264_videotoolbox --enable-parser=aac --enable-parser=aac_latm --enable-parser=flac --enable-parser=h264 --enable-parser=mpeg4video --enable-parser=mpegaudio --enable-parser=opus --enable-parser=vorbis --enable-demuxer=aac --enable-demuxer=flac --enable-demuxer=gif --enable-demuxer=h264 --enable-demuxer=mov --enable-demuxer=mp3 --enable-demuxer=ogg --enable-demuxer=wav --enable-muxer=ogg --enable-muxer=opus --extra-cflags="-mmacosx-version-min=10.8" --extra-cxxflags="-mmacosx-version-min=10.8" --extra-ldflags="-mmacosx-version-min=10.8"
 
     make
     sudo make install