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Vapor: Prototype LV2 export extension

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This commit is contained in:
Robin Gareus 2024-01-02 14:16:04 +01:00
parent 9cc966120c
commit ec32d22cb3
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
8 changed files with 91 additions and 9 deletions
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5
libs/ardour/ardour/export_timespan.h
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@ -54,6 +54,9 @@ public:
std::string range_id () const { return _range_id; }
void set_range_id (std::string range_id) { _range_id = range_id; }
std::string vapor () const { return _vapor; }
void set_vapor (std::string vapor) { _vapor = vapor; }
bool realtime () const { return _realtime; }
void set_realtime (bool rt) { _realtime = rt; }
@ -80,8 +83,8 @@ private:
std::string _name;
std::string _range_id;
std::string _vapor;
bool _realtime;
};
} // namespace ARDOUR

27
libs/ardour/ardour/lv2_extensions.h
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@ -19,8 +19,10 @@
#ifdef HAVE_LV2_1_18_6
#include <lv2/core/lv2.h>
#include <lv2/options/options.h>
#else
#include <lv2/lv2plug.in/ns/lv2core/lv2.h>
#include <lv2/lv2plug.in/ns/ext/options/options.h>
#endif
/**
@ -280,6 +282,31 @@ typedef struct {
void (*notify)(LV2_BankPatch_Handle handle, uint8_t channel, uint32_t bank, uint8_t pgm);
} LV2_BankPatch;
/**
@}
*/
/**
@defgroup lv2 export Extension
Notify plugin to write data to disk
@{
*/
#define LV2_EXPORT_URI "http://ardour.org/lv2/export"
#define LV2_EXPORT_PREFIX LV2_EXPORT_URI "#"
#define LV2_EXPORT__interface LV2_EXPORT_PREFIX "interface"
/** Export interface */
typedef struct {
/** .. */
int (*setup)(LV2_Handle, const char*, LV2_Options_Option const*);
/** .. */
int (*finalize)(LV2_Handle);
} LV2_Export_Interface;
/**
@}
*/

11
libs/ardour/ardour/lv2_plugin.h
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@ -93,6 +93,12 @@ class LIBARDOUR_API LV2Plugin : public ARDOUR::Plugin, public ARDOUR::Workee
const void* extension_data (const char* uri) const;
#ifdef LV2_EXTENDED
int setup_export (const char*);
int finalize_export ();
bool can_export () const { return _export_interface; }
#endif
const void* c_plugin();
const void* c_ui();
const void* c_ui_type();
@ -312,9 +318,10 @@ class LIBARDOUR_API LV2Plugin : public ARDOUR::Plugin, public ARDOUR::Workee
static void midnam_update (LV2_Midnam_Handle);
static void bankpatch_notify (LV2_BankPatch_Handle, uint8_t, uint32_t, uint8_t);
const LV2_Inline_Display_Interface* _display_interface;
bool _inline_display_in_gui;
const LV2_Midnam_Interface* _midname_interface;
const LV2_Inline_Display_Interface* _display_interface;
const LV2_Midnam_Interface* _midname_interface;
const LV2_Export_Interface* _export_interface;
uint32_t _bankpatch[16];
bool seen_bankpatch;

2
libs/ardour/ardour/uri_map.h
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@ -113,6 +113,8 @@ public:
uint32_t surr_ChannelCount;
uint32_t surr_DownmixMode;
uint32_t surr_WarpMode;
uint32_t surr_ExportStart;
uint32_t surr_ExportStop;
#endif
};

7
libs/ardour/export_graph_builder.cc
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@ -276,6 +276,11 @@ ExportGraphBuilder::add_config (FileSpec const & config, bool rt)
_realtime = rt;
if (!timespan->vapor().empty()) {
/* plugin export needs no actual channels */
return;
}
/* If the sample rate is "session rate", change it to the real value.
* However, we need to copy it to not change the config which is saved...
*/
@ -609,7 +614,7 @@ ExportGraphBuilder::SFC::SFC (ExportGraphBuilder &parent, FileSpec const & new_c
if (config.format->format_id() == ExportFormatBase::F_None) {
/* do not encode result, stop after chunker/analyzer */
assert (_analyse);
assert (_analyse || !parent.timespan->vapor().empty());
return;
}

26
libs/ardour/lv2_plugin.cc
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@ -237,6 +237,7 @@ public:
LilvNode* inline_display_interface; // lv2:extensionData
LilvNode* inline_display_in_gui; // lv2:optionalFeature
LilvNode* inline_mixer_control; // lv2:PortProperty
LilvNode* export_interface; // lv2:extensionData
#endif
private:
@ -521,6 +522,7 @@ LV2Plugin::init(const void* c_plugin, samplecnt_t rate)
_can_write_automation = false;
#ifdef LV2_EXTENDED
_display_interface = 0;
_export_interface = 0;
_inline_display_in_gui = false;
#endif
_max_latency = 0;
@ -761,6 +763,9 @@ LV2Plugin::init(const void* c_plugin, samplecnt_t rate)
if (lilv_nodes_contains (optional_features, _world.inline_display_in_gui)) {
_inline_display_in_gui = true;
}
if (lilv_plugin_has_extension_data(plugin, _world.export_interface)) {
_export_interface = (const LV2_Export_Interface*) extension_data (LV2_EXPORT__interface);
}
#endif
lilv_nodes_free(optional_features);
@ -1209,6 +1214,25 @@ LV2Plugin::midnam_model () {
_midname_interface->free (model);
return rv;
}
int
LV2Plugin::setup_export (const char* fn)
{
if (!_export_interface) {
return -1;
}
return _export_interface->setup ((void*)_impl->instance->lv2_handle, fn, NULL);
}
int
LV2Plugin::finalize_export ()
{
if (!_export_interface) {
return -1;
}
return _export_interface->finalize ((void*)_impl->instance->lv2_handle);
}
#endif
string
@ -3523,6 +3547,7 @@ LV2World::LV2World()
inline_display_interface = lilv_new_uri(world, LV2_INLINEDISPLAY__interface);
inline_display_in_gui = lilv_new_uri(world, LV2_INLINEDISPLAY__in_gui);
inline_mixer_control = lilv_new_uri(world, "http://ardour.org/lv2/ext#inlineMixerControl");
export_interface = lilv_new_uri(world, LV2_EXPORT__interface);
#endif
bufz_powerOf2BlockLength = lilv_new_uri(world, LV2_BUF_SIZE__powerOf2BlockLength);
bufz_fixedBlockLength = lilv_new_uri(world, LV2_BUF_SIZE__fixedBlockLength);
@ -3551,6 +3576,7 @@ LV2World::~LV2World()
lilv_node_free(inline_display_interface);
lilv_node_free(inline_display_in_gui);
lilv_node_free(inline_mixer_control);
lilv_node_free(export_interface);
#endif
lilv_node_free(patch_Message);
lilv_node_free(opts_requiredOptions);

20
libs/ardour/simple_export.cc
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@ -19,6 +19,7 @@
#include <glibmm.h>
#include "ardour/export_channel_configuration.h"
#include "ardour/export_format_specification.h"
#include "ardour/export_filename.h"
#include "ardour/export_preset.h"
#include "ardour/export_profile_manager.h"
@ -189,11 +190,20 @@ SimpleExport::run_export ()
assert (!fns.empty ());
auto fms = _manager->get_formats ();
for (auto const& fm : fms) {
for (auto const& fn : fns) {
fn->filename->set_folder (_folder);
fn->filename->set_timespan (ts.front ()->timespans->front ());
info << string_compose (_("Exporting: '%1'"), fn->filename->get_path (fm->format)) << endmsg;
if (ts.front ()->timespans->front ()->vapor().empty ()) {
for (auto const& fm : fms) {
for (auto const& fn : fns) {
fn->filename->set_folder (_folder);
fn->filename->set_timespan (ts.front ()->timespans->front ());
info << string_compose (_("Exporting: '%1'"), fn->filename->get_path (fm->format)) << endmsg;
}
}
} else {
for (auto const& fm : fms) {
std::shared_ptr<ExportFormatSpecification> fmp = fm->format;
fmp->set_format_id (ExportFormatBase::F_None);
fmp->set_type (ExportFormatBase::T_None);
fmp->set_analyse (false);
}
}

2
libs/ardour/uri_map.cc
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@ -90,6 +90,8 @@ URIMap::URIDs::init(URIMap& uri_map)
surr_ChannelCount = uri_map.uri_to_id("urn:ardour:a-vapor#ChannelCount");
surr_DownmixMode = uri_map.uri_to_id("urn:ardour:a-vapor#DownmixMode");
surr_WarpMode = uri_map.uri_to_id("urn:ardour:a-vapor#WarpMode");
surr_ExportStart = uri_map.uri_to_id("urn:ardour:a-vapor#ExportStart");
surr_ExportStop = uri_map.uri_to_id("urn:ardour:a-vapor#ExportStop");
#endif
}