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ardour/libs/ardour/export_formats.cc

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/*
* Copyright (C) 2008-2010 Sakari Bergen <sakari.bergen@beatwaves.net>
* Copyright (C) 2008-2016 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2009 David Robillard <d@drobilla.net>
* Copyright (C) 2017-2019 Robin Gareus <robin@gareus.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "ardour/export_formats.h"
#include "pbd/i18n.h"
using namespace std;
namespace ARDOUR
{
bool
ExportFormat::has_sample_format ()
{
return dynamic_cast<HasSampleFormat *> (this);
}
bool
ExportFormat::has_codec_quality ()
{
return dynamic_cast<HasCodecQuality *> (this);
}
bool
ExportFormat::sample_format_is_compatible (SampleFormat format) const
{
return (sample_formats.find (format) != sample_formats.end());
}
/*** HasSampleFormat ***/
HasSampleFormat::HasSampleFormat (ExportFormatBase::SampleFormatSet & sample_formats) :
_sample_formats (sample_formats)
{
/* Dither Types */
add_dither_type (ExportFormatBase::D_Shaped, _("Shaped Noise"));
add_dither_type (ExportFormatBase::D_Tri, _("Triangular"));
add_dither_type (ExportFormatBase::D_Rect, _("Rectangular"));
add_dither_type (ExportFormatBase::D_None, _("None"));
}
void
HasSampleFormat::add_sample_format (ExportFormatBase::SampleFormat format)
{
_sample_formats.insert (format);
SampleFormatPtr ptr (new SampleFormatState (format, get_sample_format_name (format)));
sample_format_states.push_back (ptr);
ptr->SelectChanged.connect_same_thread (*this, boost::bind (&HasSampleFormat::update_sample_format_selection, this, _1));
// BOOST SIGNALS Could this be made any uglier?
ptr->SelectChanged.connect_same_thread (*this,
boost::bind (boost::type<void> (), boost::ref (SampleFormatSelectChanged), _1, WeakSampleFormatPtr (ptr)));
ptr->CompatibleChanged.connect_same_thread (*this,
boost::bind (boost::type<void> (), boost::ref (SampleFormatCompatibleChanged), _1, WeakSampleFormatPtr (ptr)));
}
void
HasSampleFormat::add_dither_type (ExportFormatBase::DitherType type, string name)
{
DitherTypePtr ptr (new DitherTypeState (type, name));
dither_type_states.push_back (ptr);
ptr->SelectChanged.connect_same_thread (*this, boost::bind (&HasSampleFormat::update_dither_type_selection, this, _1));
// BOOST SIGNALS Could this be made any uglier?
ptr->SelectChanged.connect_same_thread (*this,
boost::bind (boost::type<void> (), boost::ref (DitherTypeSelectChanged), _1, WeakDitherTypePtr (ptr)));
ptr->CompatibleChanged.connect_same_thread (*this,
boost::bind (boost::type<void> (),boost::ref ( DitherTypeCompatibleChanged), _1, WeakDitherTypePtr (ptr)));
}
HasSampleFormat::SampleFormatPtr
HasSampleFormat::get_selected_sample_format ()
{
for (SampleFormatList::iterator it = sample_format_states.begin(); it != sample_format_states.end(); ++it) {
if ((*it)->selected()) {
return *it;
}
}
return SampleFormatPtr();
}
HasSampleFormat::DitherTypePtr
HasSampleFormat::get_selected_dither_type ()
{
for (DitherTypeList::iterator it = dither_type_states.begin(); it != dither_type_states.end(); ++it) {
if ((*it)->selected()) {
return *it;
}
}
return DitherTypePtr();
}
void
HasSampleFormat::update_sample_format_selection (bool)
{
SampleFormatPtr format = get_selected_sample_format();
if (!format) {
return;
}
if (format->format == ExportFormatBase::SF_24 ||
format->format == ExportFormatBase::SF_32 ||
format->format == ExportFormatBase::SF_Float ||
format->format == ExportFormatBase::SF_Double) {
for (DitherTypeList::iterator it = dither_type_states.begin(); it != dither_type_states.end(); ++it) {
if ((*it)->type == ExportFormatBase::D_None) {
(*it)->set_selected (true);
} else {
(*it)->set_compatible (false);
}
}
} else {
for (DitherTypeList::iterator it = dither_type_states.begin(); it != dither_type_states.end(); ++it) {
(*it)->set_compatible (true);
}
}
}
void
HasSampleFormat::update_dither_type_selection (bool)
{
DitherTypePtr type = get_selected_dither_type();
if (!type) {
return;
}
if (!type->compatible()) {
SampleFormatPtr format = get_selected_sample_format();
if (format) {
format->set_selected (false);
}
for (DitherTypeList::iterator it = dither_type_states.begin(); it != dither_type_states.end(); ++it) {
(*it)->set_compatible (true);
}
}
}
string
HasSampleFormat::get_sample_format_name (ExportFormatBase::SampleFormat format)
{
switch (format) {
case ExportFormatBase::SF_8:
return _("8-bit");
case ExportFormatBase::SF_16:
return _("16-bit");
case ExportFormatBase::SF_24:
return _("24-bit");
case ExportFormatBase::SF_32:
return _("32-bit");
case ExportFormatBase::SF_Float:
return _("float");
case ExportFormatBase::SF_Double:
return _("double");
case ExportFormatBase::SF_U8:
return _("8-bit unsigned");
case ExportFormatBase::SF_Vorbis:
return _("Vorbis sample format");
case ExportFormatBase::SF_Opus:
return _("OPUS codec");
case ExportFormatBase::SF_MPEG_LAYER_III:
return _("MPEG-2 Audio Layer III");
case ExportFormatBase::SF_None:
return _("No sample format");
}
return "";
}
/*** Linear ***/
ExportFormatLinear::ExportFormatLinear (string name, FormatId format_id) :
HasSampleFormat (sample_formats),
_default_sample_format (SF_None)
{
set_name (name);
set_format_id (format_id);
add_sample_rate (SR_8);
add_sample_rate (SR_22_05);
add_sample_rate (SR_24);
add_sample_rate (SR_44_1);
add_sample_rate (SR_48);
add_sample_rate (SR_88_2);
add_sample_rate (SR_96);
add_sample_rate (SR_176_4);
add_sample_rate (SR_192);
add_sample_rate (SR_Session);
add_endianness (E_FileDefault);
set_quality (Q_LosslessLinear);
}
bool
ExportFormatLinear::set_compatibility_state (ExportFormatCompatibility const & compatibility)
{
/* Global state */
bool compatible = true;
if (!compatibility.has_quality (Q_LosslessLinear)) {
compatible = false;
}
if (!compatibility.has_format (get_format_id())) {
compatible = false;
}
std::shared_ptr<ExportFormatBase> intersection = get_intersection (compatibility);
if (intersection->endiannesses_empty()) {
compatible = false;
}
if (intersection->sample_rates_empty()) {
compatible = false;
}
if (intersection->sample_formats_empty()) {
compatible = false;
}
set_compatible (compatible);
/* Sample Formats */
for (SampleFormatList::iterator it = sample_format_states.begin(); it != sample_format_states.end(); ++it) {
(*it)->set_compatible (compatibility.has_sample_format ((*it)->format));
}
return compatible;
}
/*** Ogg Vorbis ***/
ExportFormatOggVorbis::ExportFormatOggVorbis ()
{
/* Check system compatibility */
SF_INFO sf_info;
sf_info.channels = 2;
sf_info.samplerate = SR_44_1;
sf_info.format = F_Ogg | SF_Vorbis;
if (sf_format_check (&sf_info) != SF_TRUE) {
throw ExportFormatIncompatible();
}
set_name ("Ogg Vorbis");
set_format_id (F_Ogg);
sample_formats.insert (SF_Vorbis);
add_sample_rate (SR_22_05);
add_sample_rate (SR_24);
add_sample_rate (SR_44_1);
add_sample_rate (SR_48);
add_sample_rate (SR_88_2);
add_sample_rate (SR_96);
add_sample_rate (SR_176_4);
add_sample_rate (SR_192);
add_sample_rate (SR_Session);
/* these are 100 vorbis_encode_init_vbr() quality */
add_codec_quality ("Low (0)", 0);
add_codec_quality ("Default (4)", 40);
add_codec_quality ("High (6)", 60);
add_codec_quality ("Very High (10)", 100);
add_endianness (E_FileDefault);
set_extension ("ogg");
set_quality (Q_LossyCompression);
}
bool
ExportFormatOggVorbis::set_compatibility_state (ExportFormatCompatibility const & compatibility)
{
bool compatible = compatibility.has_format (F_Ogg);
set_compatible (compatible);
return compatible;
}
/*** FLAC ***/
ExportFormatFLAC::ExportFormatFLAC () :
HasSampleFormat (sample_formats)
{
/* Check system compatibility */
SF_INFO sf_info;
sf_info.channels = 2;
sf_info.samplerate = SR_44_1;
sf_info.format = F_FLAC | SF_16;
if (sf_format_check (&sf_info) != SF_TRUE) {
throw ExportFormatIncompatible();
}
set_name ("FLAC");
set_format_id (F_FLAC);
add_sample_rate (SR_22_05);
add_sample_rate (SR_24);
add_sample_rate (SR_44_1);
add_sample_rate (SR_48);
add_sample_rate (SR_88_2);
add_sample_rate (SR_96);
add_sample_rate (SR_176_4);
add_sample_rate (SR_192);
add_sample_rate (SR_Session);
add_sample_format (SF_8);
add_sample_format (SF_16);
add_sample_format (SF_24);
add_endianness (E_FileDefault);
set_extension ("flac");
set_quality (Q_LosslessCompression);
}
bool
ExportFormatFLAC::set_compatibility_state (ExportFormatCompatibility const & compatibility)
{
bool compatible = compatibility.has_format (F_FLAC);
set_compatible (compatible);
return compatible;
}
/*** BWF ***/
ExportFormatBWF::ExportFormatBWF () :
HasSampleFormat (sample_formats)
{
set_name ("BWF");
set_format_id (F_WAV);
add_sample_rate (SR_22_05);
add_sample_rate (SR_24);
add_sample_rate (SR_44_1);
add_sample_rate (SR_48);
add_sample_rate (SR_88_2);
add_sample_rate (SR_96);
add_sample_rate (SR_176_4);
add_sample_rate (SR_192);
add_sample_rate (SR_Session);
add_sample_format (SF_U8);
add_sample_format (SF_16);
add_sample_format (SF_24);
add_sample_format (SF_32);
add_sample_format (SF_Float);
add_sample_format (SF_Double);
add_endianness (E_FileDefault);
set_extension ("wav");
set_quality (Q_LosslessLinear);
}
bool
ExportFormatBWF::set_compatibility_state (ExportFormatCompatibility const & compatibility)
{
bool compatible = compatibility.has_format (F_WAV);
set_compatible (compatible);
return compatible;
}
/*** OPUS ***/
ExportFormatOggOpus::ExportFormatOggOpus ()
{
SF_INFO sf_info;
sf_info.channels = 2;
sf_info.samplerate = SR_48;
sf_info.format = F_Ogg | SF_Opus;
if (sf_format_check (&sf_info) != SF_TRUE) {
throw ExportFormatIncompatible();
}
set_name ("Ogg OPUS");
set_format_id (F_Ogg);
sample_formats.insert (SF_Opus);
add_sample_rate (SR_8);
add_sample_rate (SR_24);
add_sample_rate (SR_48);
/* libsndfile doesn't expose direct quality control,
* bitrate = (((1.0 - quality) * (250000.0)) + 6000.0)
*/
add_codec_quality ("6 kb/s/channel", 0);
add_codec_quality ("32 kb/s/channel", 10); // 10.4
add_codec_quality ("64 kb/s/channel", 23); // 23.2
add_codec_quality ("96 kb/s/channel", 36);
add_codec_quality ("128 kb/s/channel", 49); // 48.8
add_codec_quality ("160 kb/s/channel", 61); // 61.6
add_codec_quality ("192 kb/s/channel", 74); // 74.42
add_codec_quality ("256 kb/s/channel", 100);
set_extension ("opus");
set_quality (Q_LossyCompression);
}
bool
ExportFormatOggOpus::set_compatibility_state (ExportFormatCompatibility const& compatibility)
{
bool compatible = compatibility.has_format (F_Ogg);
set_compatible (compatible);
return compatible;
}
/*** MPEG / MP3 ***/
ExportFormatMPEG::ExportFormatMPEG (std::string const& name, std::string const& ext) :
HasSampleFormat (sample_formats)
{
SF_INFO sf_info;
sf_info.channels = 2;
sf_info.samplerate = SR_44_1;
sf_info.format = F_MPEG | SF_MPEG_LAYER_III;
if (sf_format_check (&sf_info) != SF_TRUE) {
throw ExportFormatIncompatible();
}
set_name (name);
set_format_id (F_MPEG);
add_sample_format (SF_MPEG_LAYER_III);
add_endianness (E_FileDefault);
// libsndfile doesn't expose direct quality control - use these coarse approximations
add_codec_quality ("Low (0%)", 0);
add_codec_quality ("Default (40%)", 40);
add_codec_quality ("High (60%)", 60);
add_codec_quality ("Very High (100%)", 100);
set_extension (ext);
set_quality (Q_LossyCompression);
}
bool
ExportFormatMPEG::set_compatibility_state (ExportFormatCompatibility const & compatibility)
{
bool compatible = compatibility.has_format (F_MPEG);
set_compatible (compatible);
return compatible;
}
/*** FFMPEG Pipe ***/
ExportFormatFFMPEG::ExportFormatFFMPEG (std::string const& name, std::string const& ext)
{
set_name (name);
set_format_id (F_FFMPEG);
sample_formats.insert (SF_Float);
add_sample_rate (SR_8);
add_sample_rate (SR_22_05);
add_sample_rate (SR_24);
add_sample_rate (SR_44_1);
add_sample_rate (SR_48);
add_sample_rate (SR_Session);
add_endianness (E_Little);
add_codec_quality ("VBR 220-260 kb/s", 0);
add_codec_quality ("VBR 190-250 kb/s", -1);
add_codec_quality ("VBR 170-210 kb/s", -2);
add_codec_quality ("VBR 150-195 kb/s", -3);
add_codec_quality ("VBR 140-185 kb/s", -4);
add_codec_quality ("VBR 120-150 kb/s", -5);
add_codec_quality ("VBR 100-130 kb/s", -6);
add_codec_quality ("VBR 80-120 kb/s", -7);
add_codec_quality ("VBR 70-105 kb/s", -8);
add_codec_quality ("VBR 45-85 kb/s", -9);
/* Available CBR options are:
* 8, 16, 24, 32, 40, 48, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320
*/
add_codec_quality ("CBR 64 kb/s", 64);
add_codec_quality ("CBR 128 kb/s", 128);
add_codec_quality ("CBR 160 kb/s", 160);
add_codec_quality ("CBR 192 kb/s", 192);
add_codec_quality ("CBR 256 kb/s", 256);
add_codec_quality ("CBR 320 kb/s", 320);
set_extension (ext);
set_quality (Q_LossyCompression);
}
bool
ExportFormatFFMPEG::set_compatibility_state (ExportFormatCompatibility const & compatibility)
{
bool compatible = compatibility.has_format (F_FFMPEG);
set_compatible (compatible);
return compatible;
}
}; // namespace ARDOUR
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