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/*
* Copyright 2013, Blender Foundation.
*
* 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 <Alembic/AbcCoreHDF5/ReadWrite.h>
#include <Alembic/AbcCoreOgawa/ReadWrite.h>
#include <Alembic/Abc/ArchiveInfo.h>
#include <Alembic/Abc/IArchive.h>
#include <Alembic/Abc/IObject.h>
#include "alembic.h"
#include "abc_reader.h"
#include "util_error_handler.h"
extern "C" {
#include "DNA_ID.h"
}
namespace PTC {
using namespace Abc;
AbcReaderArchive *AbcReaderArchive::open(double fps, float start_frame, const std::string &filename, ErrorHandler *error_handler)
{
IArchive abc_archive;
PTC_SAFE_CALL_BEGIN
// abc_archive = IArchive(AbcCoreHDF5::ReadArchive(), filename, Abc::ErrorHandler::kThrowPolicy);
abc_archive = IArchive(AbcCoreOgawa::ReadArchive(), filename, Abc::ErrorHandler::kThrowPolicy);
PTC_SAFE_CALL_END_HANDLER(error_handler)
if (abc_archive)
return new AbcReaderArchive(fps, start_frame, error_handler, abc_archive);
else
return NULL;
}
AbcReaderArchive::AbcReaderArchive(double fps, float start_frame, ErrorHandler *error_handler, IArchive abc_archive) :
FrameMapper(fps, start_frame),
m_error_handler(error_handler),
m_use_render(false),
m_abc_archive(abc_archive)
{
if (m_abc_archive.getTop().getChildHeader("root"))
m_abc_root = IObject(m_abc_archive.getTop(), "root");
else
m_abc_root = IObject();
if (m_abc_archive.getTop().getChildHeader("root_render"))
m_abc_root_render = IObject(m_abc_archive.getTop(), "root_render");
else
m_abc_root_render = IObject();
}
AbcReaderArchive::~AbcReaderArchive()
{
}
PTCArchiveResolution AbcReaderArchive::get_resolutions()
{
int res = 0;
if (m_abc_root)
res |= PTC_RESOLUTION_PREVIEW;
if (m_abc_root_render)
res |= PTC_RESOLUTION_RENDER;
return (PTCArchiveResolution)res;
}
Abc::IObject AbcReaderArchive::root()
{
if (m_use_render)
return m_abc_root_render ? m_abc_root_render : m_abc_root;
else
return m_abc_root ? m_abc_root : m_abc_root_render;
}
IObject AbcReaderArchive::get_id_object(ID *id)
{
if (!m_abc_archive)
return IObject();
IObject root = this->root();
return root.getChild(id->name);
}
bool AbcReaderArchive::has_id_object(ID *id)
{
if (!m_abc_archive)
return false;
IObject root = this->root();
return root.getChild(id->name).valid();
}
bool AbcReaderArchive::get_frame_range(int &start_frame, int &end_frame)
{
if (m_abc_archive) {
double start_time, end_time;
GetArchiveStartAndEndTime(m_abc_archive, start_time, end_time);
start_frame = (int)time_to_frame(start_time);
end_frame = (int)time_to_frame(end_time);
return true;
}
else {
start_frame = end_frame = 1;
return false;
}
}
void AbcReaderArchive::get_info_stream(void (*stream)(void *, const char *), void *userdata)
{
if (m_abc_archive)
abc_archive_info_stream(m_abc_archive, stream, userdata);
}
void AbcReaderArchive::get_info(CacheArchiveInfo *info)
{
if (m_abc_archive)
abc_archive_info_nodes(m_abc_archive, info, false, false);
}
void AbcReaderArchive::get_info_nodes(CacheArchiveInfo *info, bool calc_bytes_size)
{
if (m_abc_archive)
abc_archive_info_nodes(m_abc_archive, info, true, calc_bytes_size);
}
ISampleSelector AbcReaderArchive::get_frame_sample_selector(float frame)
{
return ISampleSelector(frame_to_time(frame), ISampleSelector::kFloorIndex);
}
ISampleSelector AbcReaderArchive::get_frame_sample_selector(chrono_t time)
{
return ISampleSelector(time, ISampleSelector::kFloorIndex);
}
bool AbcReader::get_frame_range(int &start_frame, int &end_frame)
{
return m_abc_archive->get_frame_range(start_frame, end_frame);
}
PTCReadSampleResult AbcReader::test_sample(float frame)
{
if (m_abc_archive) {
int start_frame, end_frame;
m_abc_archive->get_frame_range(start_frame, end_frame);
if (frame < start_frame)
return PTC_READ_SAMPLE_EARLY;
else if (frame > end_frame)
return PTC_READ_SAMPLE_LATE;
else {
/* TODO could also be EXACT, but INTERPOLATED is more general
* do we need to support this?
* checking individual time samplings is also possible, but more involved.
*/
return PTC_READ_SAMPLE_INTERPOLATED;
}
}
else {
return PTC_READ_SAMPLE_INVALID;
}
}
PTCReadSampleResult AbcReader::read_sample(float frame)
{
try {
return read_sample_abc(m_abc_archive->frame_to_time(frame));
}
catch (Alembic::Util::Exception e) {
handle_alembic_exception(ErrorHandler::get_default_handler(), PTC_ERROR_CRITICAL, e);
return PTC_READ_SAMPLE_INVALID;
}
return PTC_READ_SAMPLE_INVALID;
}
} /* namespace PTC */
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