Files
foobar2000-sdk/foobar2000/SDK/input.cpp
2021-12-14 00:28:25 -07:00

451 lines
14 KiB
C++

#include "foobar2000.h" // PCH
#ifdef FOOBAR2000_MODERN
#include "foobar2000-input.h"
#include <pfc/list.h>
#include <pfc/timers.h>
#endif
#include <exception>
#include "album_art.h"
#include "file_info_impl.h"
service_ptr input_entry::open(const GUID & whatFor, file::ptr hint, const char * path, event_logger::ptr logger, abort_callback & aborter) {
#ifdef FOOBAR2000_DESKTOP
if ( whatFor == input_stream_info_reader::class_guid ) {
input_entry_v2::ptr v2;
if ( v2 &= this ) {
GUID g = v2->get_guid();
service_enum_t<input_stream_info_reader_entry> e;
service_ptr_t<input_stream_info_reader_entry> p;
while (e.next(p)) {
if (p->get_guid() == g) {
return p->open( path, hint, aborter );
}
}
}
throw exception_io_unsupported_format();
}
#endif
if ( whatFor == album_art_extractor_instance::class_guid ) {
input_entry_v2::ptr v2;
if (v2 &= this) {
GUID g = v2->get_guid();
service_enum_t<album_art_extractor> e;
album_art_extractor_v2::ptr p;
while( e.next(p) ) {
if ( p->get_guid() == g ) {
return p->open( hint, path, aborter );
}
}
}
throw exception_io_unsupported_format();
}
if ( whatFor == album_art_editor_instance::class_guid ) {
input_entry_v2::ptr v2;
if (v2 &= this) {
GUID g = v2->get_guid();
service_enum_t<album_art_editor> e;
album_art_editor_v2::ptr p;
while( e.next(p) ) {
if ( p->get_guid() == g ) {
return p->open( hint, path, aborter );
}
}
}
throw exception_io_unsupported_format();
}
input_entry_v3::ptr v3;
if (v3 &= this) {
return v3->open_v3( whatFor, hint, path, logger, aborter );
} else {
if (whatFor == input_decoder::class_guid) {
input_decoder::ptr obj;
open(obj, hint, path, aborter);
if ( logger.is_valid() ) {
input_decoder_v2::ptr v2;
if (v2 &= obj) v2->set_logger(logger);
}
return obj;
}
if (whatFor == input_info_reader::class_guid) {
input_info_reader::ptr obj;
open(obj, hint, path, aborter);
return obj;
}
if (whatFor == input_info_writer::class_guid) {
input_info_writer::ptr obj;
open(obj, hint, path, aborter);
return obj;
}
}
throw pfc::exception_not_implemented();
}
bool input_entry::g_find_service_by_path(service_ptr_t<input_entry> & p_out,const char * p_path)
{
auto ext = pfc::string_extension(p_path);
return g_find_service_by_path(p_out, p_path, ext );
}
bool input_entry::g_find_service_by_path(service_ptr_t<input_entry> & p_out,const char * p_path, const char * p_ext)
{
service_ptr_t<input_entry> ptr;
service_enum_t<input_entry> e;
while(e.next(ptr))
{
if (ptr->is_our_path(p_path,p_ext))
{
p_out = ptr;
return true;
}
}
return false;
}
bool input_entry::g_find_service_by_content_type(service_ptr_t<input_entry> & p_out,const char * p_content_type)
{
service_ptr_t<input_entry> ptr;
service_enum_t<input_entry> e;
while(e.next(ptr))
{
if (ptr->is_our_content_type(p_content_type))
{
p_out = ptr;
return true;
}
}
return false;
}
#if 0
static void prepare_for_open(service_ptr_t<input_entry> & p_service,service_ptr_t<file> & p_file,const char * p_path,filesystem::t_open_mode p_open_mode,abort_callback & p_abort,bool p_from_redirect)
{
if (p_file.is_empty())
{
service_ptr_t<filesystem> fs;
if (filesystem::g_get_interface(fs,p_path)) {
if (fs->supports_content_types()) {
fs->open(p_file,p_path,p_open_mode,p_abort);
}
}
}
if (p_file.is_valid())
{
pfc::string8 content_type;
if (p_file->get_content_type(content_type))
{
if (input_entry::g_find_service_by_content_type(p_service,content_type))
return;
}
}
if (input_entry::g_find_service_by_path(p_service,p_path))
{
if (p_from_redirect && p_service->is_redirect()) throw exception_io_unsupported_format();
return;
}
throw exception_io_unsupported_format();
}
#endif
bool input_entry::g_find_inputs_by_content_type(pfc::list_base_t<service_ptr_t<input_entry> > & p_out, const char * p_content_type, bool p_from_redirect) {
auto filter = [=] (input_entry::ptr p) {
return !(p_from_redirect && p->is_redirect());
};
return g_find_inputs_by_content_type_ex(p_out, p_content_type, filter );
}
bool input_entry::g_find_inputs_by_path(pfc::list_base_t<service_ptr_t<input_entry> > & p_out, const char * p_path, bool p_from_redirect) {
auto filter = [=] (input_entry::ptr p) {
return !(p_from_redirect && p->is_redirect());
};
return g_find_inputs_by_path_ex(p_out, p_path, filter);
}
bool input_entry::g_find_inputs_by_content_type_ex(pfc::list_base_t<service_ptr_t<input_entry> > & p_out, const char * p_content_type, input_filter_t filter ) {
service_enum_t<input_entry> e;
service_ptr_t<input_entry> ptr;
bool ret = false;
while (e.next(ptr)) {
if ( filter(ptr) ) {
if (ptr->is_our_content_type(p_content_type)) { p_out.add_item(ptr); ret = true; }
}
}
return ret;
}
bool input_entry::g_find_inputs_by_path_ex(pfc::list_base_t<service_ptr_t<input_entry> > & p_out, const char * p_path, input_filter_t filter ) {
service_enum_t<input_entry> e;
service_ptr_t<input_entry> ptr;
auto extension = pfc::string_extension(p_path);
bool ret = false;
while (e.next(ptr)) {
GUID guid = pfc::guid_null;
input_entry_v3::ptr ex;
if ( ex &= ptr ) guid = ex->get_guid();
if ( filter(ptr) ) {
if (ptr->is_our_path(p_path, extension)) { p_out.add_item(ptr); ret = true; }
}
}
return ret;
}
static GUID input_get_guid( input_entry::ptr e ) {
#ifdef FOOBAR2000_DESKTOP
input_entry_v2::ptr p;
if ( p &= e ) return p->get_guid();
#endif
return pfc::guid_null;
}
service_ptr input_entry::g_open_from_list(input_entry_list_t const & p_list, const GUID & whatFor, service_ptr_t<file> p_filehint, const char * p_path, event_logger::ptr logger, abort_callback & p_abort, GUID * outGUID) {
const t_size count = p_list.get_count();
if ( count == 0 ) {
// sanity
throw exception_io_unsupported_format();
} else if (count == 1) {
auto ret = p_list[0]->open(whatFor, p_filehint, p_path, logger, p_abort);
if ( outGUID != nullptr ) * outGUID = input_get_guid( p_list[0] );
return ret;
} else {
std::exception_ptr errData, errUnsupported;
for (t_size n = 0; n < count; n++) {
try {
auto ret = p_list[n]->open(whatFor, p_filehint, p_path, logger, p_abort);
if (outGUID != nullptr) * outGUID = input_get_guid(p_list[n]);
return ret;
} catch (exception_io_no_handler_for_path) {
//do nothing, skip over
} catch(exception_io_unsupported_format) {
if (!errUnsupported) errUnsupported = std::current_exception();
} catch (exception_io_data) {
if (!errData) errData = std::current_exception();
}
}
if (errData) std::rethrow_exception(errData);
if (errUnsupported) std::rethrow_exception(errUnsupported);
throw exception_io_unsupported_format();
}
}
#ifdef FOOBAR2000_DESKTOP
service_ptr input_manager::open_v2(const GUID & whatFor, file::ptr hint, const char * path, bool fromRedirect, event_logger::ptr logger, abort_callback & aborter, GUID * outUsedEntry) {
// We're wrapping open_v2() on top of old open().
// Assert on GUIDs that old open() is known to recognize.
PFC_ASSERT(whatFor == input_decoder::class_guid || whatFor == input_info_reader::class_guid || whatFor == input_info_writer::class_guid || whatFor == input_stream_selector::class_guid);
{
input_manager_v2::ptr v2;
if ( v2 &= this ) {
return v2->open_v2( whatFor, hint, path, fromRedirect, logger, aborter, outUsedEntry );
}
}
auto ret = open( whatFor, hint, path, fromRedirect, aborter, outUsedEntry );
#ifdef FB2K_HAVE_EVENT_LOGGER
if ( logger.is_valid() ) {
input_decoder_v2::ptr dec;
if (dec &= ret) {
dec->set_logger(logger);
}
}
#endif
return ret;
}
#endif
service_ptr input_entry::g_open(const GUID & whatFor, file::ptr p_filehint, const char * p_path, event_logger::ptr logger, abort_callback & p_abort, bool p_from_redirect) {
#ifdef FOOBAR2000_DESKTOP
// #define rationale: not all FOOBAR2000_MODERN flavours come with input_manager implementation, but classic 1.4+ does
#if !defined(FOOBAR2000_MODERN) && FOOBAR2000_TARGET_VERSION >= 79
#if FOOBAR2000_TARGET_VERSION > 79
return input_manager_v2::get()->open_v2(whatFor, p_filehint, p_path, p_from_redirect, logger, p_abort);
#else
return input_manager::get()->open_v2(whatFor, p_filehint, p_path, p_from_redirect, logger, p_abort);
#endif
#endif
{
input_manager::ptr m;
service_enum_t<input_manager> e;
if (e.next(m)) {
return m->open_v2(whatFor, p_filehint, p_path, p_from_redirect, logger, p_abort);
}
}
#endif
const bool needWriteAcecss = !!(whatFor == input_info_writer::class_guid);
service_ptr_t<file> l_file = p_filehint;
if (l_file.is_empty()) {
service_ptr_t<filesystem> fs;
if (filesystem::g_get_interface(fs, p_path)) {
if (fs->supports_content_types()) {
fs->open(l_file, p_path, needWriteAcecss ? filesystem::open_mode_write_existing : filesystem::open_mode_read, p_abort);
}
}
}
if (l_file.is_valid()) {
pfc::string8 content_type;
if (l_file->get_content_type(content_type)) {
pfc::list_t< input_entry::ptr > list;
#if PFC_DEBUG
FB2K_DebugLog() << "attempting input open by content type: " << content_type;
#endif
if (g_find_inputs_by_content_type(list, content_type, p_from_redirect)) {
try {
return g_open_from_list(list, whatFor, l_file, p_path, logger, p_abort);
} catch (exception_io_unsupported_format) {
#if PFC_DEBUG
FB2K_DebugLog() << "Failed to open by content type, using fallback";
#endif
}
}
}
}
#if PFC_DEBUG
FB2K_DebugLog() << "attempting input open by path: " << p_path;
#endif
{
pfc::list_t< input_entry::ptr > list;
if (g_find_inputs_by_path(list, p_path, p_from_redirect)) {
return g_open_from_list(list, whatFor, l_file, p_path, logger, p_abort);
}
}
throw exception_io_unsupported_format();
}
void input_entry::g_open_for_decoding(service_ptr_t<input_decoder> & p_instance,service_ptr_t<file> p_filehint,const char * p_path,abort_callback & p_abort,bool p_from_redirect) {
TRACK_CALL_TEXT("input_entry::g_open_for_decoding");
p_instance ^= g_open(input_decoder::class_guid, p_filehint, p_path, nullptr, p_abort, p_from_redirect);
}
void input_entry::g_open_for_info_read(service_ptr_t<input_info_reader> & p_instance,service_ptr_t<file> p_filehint,const char * p_path,abort_callback & p_abort,bool p_from_redirect) {
TRACK_CALL_TEXT("input_entry::g_open_for_info_read");
p_instance ^= g_open(input_info_reader::class_guid, p_filehint, p_path, nullptr, p_abort, p_from_redirect);
}
void input_entry::g_open_for_info_write(service_ptr_t<input_info_writer> & p_instance,service_ptr_t<file> p_filehint,const char * p_path,abort_callback & p_abort,bool p_from_redirect) {
TRACK_CALL_TEXT("input_entry::g_open_for_info_write");
p_instance ^= g_open(input_info_writer::class_guid, p_filehint, p_path, nullptr, p_abort, p_from_redirect);
}
void input_entry::g_open_for_info_write_timeout(service_ptr_t<input_info_writer> & p_instance,service_ptr_t<file> p_filehint,const char * p_path,abort_callback & p_abort,double p_timeout,bool p_from_redirect) {
pfc::lores_timer timer;
timer.start();
for(;;) {
try {
g_open_for_info_write(p_instance,p_filehint,p_path,p_abort,p_from_redirect);
break;
} catch(exception_io_sharing_violation) {
if (timer.query() > p_timeout) throw;
p_abort.sleep(0.01);
}
}
}
bool input_entry::g_is_supported_path(const char * p_path)
{
service_ptr_t<input_entry> ptr;
service_enum_t<input_entry> e;
auto ext = pfc::string_extension (p_path);
while(e.next(ptr))
{
if (ptr->is_our_path(p_path,ext)) return true;
}
return false;
}
void input_open_file_helper(service_ptr_t<file> & p_file,const char * p_path,t_input_open_reason p_reason,abort_callback & p_abort)
{
if (p_file.is_empty()) {
switch(p_reason) {
default:
uBugCheck();
case input_open_info_read:
case input_open_decode:
filesystem::g_open(p_file,p_path,filesystem::open_mode_read,p_abort);
break;
case input_open_info_write:
filesystem::g_open(p_file,p_path,filesystem::open_mode_write_existing,p_abort);
break;
}
} else {
p_file->reopen(p_abort);
}
}
uint32_t input_entry::g_flags_for_path( const char * path, uint32_t mask ) {
#if FOOBAR2000_TARGET_VERSION >= 80
return input_manager_v3::get()->flags_for_path(path, mask);
#else
input_manager_v3::ptr api;
if ( input_manager_v3::tryGet(api) ) {
return api->flags_for_path(path, mask);
}
uint32_t ret = 0;
service_enum_t<input_entry> e; input_entry::ptr p;
auto ext = pfc::string_extension(path);
while(e.next(p)) {
uint32_t f = p->get_flags() & mask;
if ( f != 0 && p->is_our_path( path, ext ) ) ret |= f;;
}
return ret;
#endif
}
uint32_t input_entry::g_flags_for_content_type( const char * ct, uint32_t mask ) {
#if FOOBAR2000_TARGET_VERSION >= 80
return input_manager_v3::get()->flags_for_content_type(ct, mask);
#else
input_manager_v3::ptr api;
if ( input_manager_v3::tryGet(api) ) {
return api->flags_for_content_type( ct, mask );
}
uint32_t ret = 0;
service_enum_t<input_entry> e; input_entry::ptr p;
while(e.next(p)) {
uint32_t f = p->get_flags() & mask;
if ( f != 0 && p->is_our_content_type(ct) ) ret |= f;
}
return ret;
#endif
}
bool input_entry::g_are_parallel_reads_slow(const char * path) {
return g_flags_for_path(path, flag_parallel_reads_slow) != 0;
}
void input_entry_v3::open_for_decoding(service_ptr_t<input_decoder> & p_instance, service_ptr_t<file> p_filehint, const char * p_path, abort_callback & p_abort) {
p_instance ^= open_v3( input_decoder::class_guid, p_filehint, p_path, nullptr, p_abort );
}
void input_entry_v3::open_for_info_read(service_ptr_t<input_info_reader> & p_instance, service_ptr_t<file> p_filehint, const char * p_path, abort_callback & p_abort) {
p_instance ^= open_v3(input_info_reader::class_guid, p_filehint, p_path, nullptr, p_abort);
}
void input_entry_v3::open_for_info_write(service_ptr_t<input_info_writer> & p_instance, service_ptr_t<file> p_filehint, const char * p_path, abort_callback & p_abort) {
p_instance ^= open_v3(input_info_writer::class_guid, p_filehint, p_path, nullptr, p_abort);
}
void input_info_writer::remove_tags_fallback(abort_callback & abort) {
uint32_t total = this->get_subsong_count();
file_info_impl blank;
for( uint32_t walk = 0; walk < total; ++ walk ) {
this->set_info( this->get_subsong(walk), blank, abort );
}
this->commit( abort );
}