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#include "dcpomatic_assert.h"
#include "dcpomatic_log.h"
#include "dcp_video.h"
#include "exceptions.h"
#include "image.h"
#include "j2k_encoder_fastvideo_backend.h"
#include "player_video.h"
#include <dcp/rgb_xyz.h>
#include <fastvideo_encoder_j2k.h>
#include <fastvideo_sdk.h>
using std::vector;
using boost::optional;
using boost::shared_ptr;
using dcp::Data;
J2KEncoderFastvideoBackend::J2KEncoderFastvideoBackend (boost::barrier& barrier)
: _barrier (barrier)
, _setup_done (false)
{
fastSdkParametersHandle_t sdk_parameters;
fastStatus_t r = fastGetSdkParametersHandle(&sdk_parameters);
if (r != FAST_OK) {
throw FastvideoError ("GetSdkParametersHandle", r);
}
r = fastEncoderJ2kLibraryInit(sdk_parameters);
if (r != FAST_OK) {
throw FastvideoError ("DecoderJ2kLibraryInit", r);
}
fastTraceCreate("/home/carl/trace.log");
}
J2KEncoderFastvideoBackend::~J2KEncoderFastvideoBackend ()
{
if (_setup_done) {
fastFree (_xyz_buffer);
fastEncoderJ2kDestroy (_encoder);
fastImportFromHostDestroy (_adapter);
}
}
void
J2KEncoderFastvideoBackend::setup (dcp::Size size)
{
fastStatus_t r = fastImportFromHostCreate(
&_adapter, FAST_RGB12, size.width, size.height, &_src_buffer
);
if (r != FAST_OK) {
throw FastvideoError ("ImportFromHostCreate", r);
}
fastEncoderJ2kStaticParameters_t parameters;
parameters.lossless = false;
parameters.pcrdEnabled = true;
parameters.dwtLevels = 6;
parameters.codeblockSize = 32;
parameters.maxQuality = 1.0;
parameters.compressionRatio = 2;
parameters.info = false;
parameters.tier2Threads = 4;
parameters.tileWidth = 0;//size.width;
parameters.tileHeight = 0;//size.height;
parameters.noMCT = false;
parameters.ss1_x = 1;
parameters.ss1_y = 1;
parameters.ss2_x = 1;
parameters.ss2_y = 1;
parameters.ss3_x = 1;
parameters.ss3_y = 1;
parameters.yuvSubsampledFormat = false;
r = fastEncoderJ2kCreate(
&_encoder, ¶meters, FAST_RGB12, size.width, size.height, quantity(), _src_buffer
);
if (r != FAST_OK) {
throw FastvideoError ("EncoderJ2kCreate", r);
}
bool success = false;
r = fastEncoderJ2kIsInitialized(_encoder, &success);
if (r != FAST_OK || !success) {
throw FastvideoError ("EncoderJ2kIsInitialized", r);
}
_xyz_buffer_stride = size.width * 6;
_xyz_buffer_stride += 4 - (_xyz_buffer_stride % 4);
r = fastMalloc(reinterpret_cast<void**>(&_xyz_buffer), _xyz_buffer_stride * size.height);
if (r != FAST_OK) {
throw FastvideoError ("Malloc", r);
}
}
vector<Data>
J2KEncoderFastvideoBackend::encode (vector<shared_ptr<DCPVideo> > video)
{
DCPOMATIC_ASSERT (static_cast<int>(video.size()) <= quantity());
std::cout << "FV: " << video.size() << " from " << video.front()->index() << "\n";
// XXX: works most of the time, not sure how it helps (need to ask) but screws
// things up when we're only encoding one frame
//_barrier.wait();
if (!_setup_done) {
setup (video.front()->frame()->out_size());
_setup_done = true;
}
std::cout << "hello dolly.\n";
BOOST_FOREACH (shared_ptr<DCPVideo> i, video) {
shared_ptr<dcpomatic::Image> image = i->frame()->image(boost::bind(&PlayerVideo::keep_xyz_or_rgb, _1), true, false);
if (i->frame()->colour_conversion()) {
dcp::rgb_to_xyz (
image->data()[0],
image->size(),
image->stride()[0],
_xyz_buffer,
_xyz_buffer_stride,
i->frame()->colour_conversion().get()
);
} else {
/* XXX */
}
std::cout << "here we go.\n";
fastStatus_t r = fastImportFromHostCopy(
_adapter,
_xyz_buffer,
image->size().width,
_xyz_buffer_stride,
image->size().height
);
if (r != FAST_OK) {
throw FastvideoError ("ImportFromHostCopy", r);
}
fastEncoderJ2kDynamicParameters_t dynamic_parameters;
dynamic_parameters.targetStreamSize = _xyz_buffer_stride * image->size().width / 2;
dynamic_parameters.quality = 1.0;
dynamic_parameters.writeHeader = false;
r = fastEncoderJ2kAddImageToBatch(
_encoder,
&dynamic_parameters,
image->size().width,
image->size().height
);
}
fastEncoderJ2kReport_t report;
fastEncoderJ2kOutput_t output;
int const max_j2k_size = 1024 * 1024 * 2;
output.bufferSize = max_j2k_size;
dcp::Data data(output.bufferSize);
output.byteStream = data.data().get();
fastStatus_t r = fastEncoderJ2kTransformBatch(_encoder, &output, &report);
if (r != FAST_OK) {
fastTraceClose();
throw FastvideoError ("EncoderJ2KTransformBatch", r);
}
vector<Data> encoded;
for (size_t i = 0; i < video.size(); ++i) {
std::cout << "\tframe " << output.streamSize << "\n";
data.set_size (output.streamSize);
encoded.push_back (data);
data = dcp::Data(output.bufferSize);
output.byteStream = data.data().get();
int images_left = 0;
r = fastEncoderJ2kGetNextEncodedImage (_encoder, &output, &report, &images_left);
}
std::cout << "FV returns " << encoded.size() << "\n";
return encoded;
}
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