#include "lame_encoder.h"

#include <stdexcept>

EncoderLame::EncoderLame() {
	gfp = lame_init();
	int error = lame_init_params(gfp);

	if(error < 0) {
		throw std::runtime_error("failed to initialize LAME");
	}
}

EncoderLame::~EncoderLame() {
	lame_close(gfp);
}

size_t EncoderLame::encode(uint8_t *input, size_t input_size, uint8_t *output, size_t output_size) {
	size_t size = lame_encode_buffer_interleaved(gfp, (short*)input, input_size / 4, output, output_size);
	return size;
}

size_t EncoderLame::flush(uint8_t *output, size_t output_size) {
	size_t size = lame_encode_flush(gfp, output, output_size);
	return size;
}