Added LAME encoder.

2 files changed, 45 insertions, 0 deletions

diff --git a/encoders/lame_encoder.cpp b/encoders/lame_encoder.cpp
new file mode 100644
index 0000000..4cbfc9c
--- /dev/null
+++ b/encoders/lame_encoder.cpp
@@ -0,0 +1,26 @@
+#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;
+}
diff --git a/encoders/lame_encoder.h b/encoders/lame_encoder.h
new file mode 100644
index 0000000..47f9666
--- /dev/null
+++ b/encoders/lame_encoder.h
@@ -0,0 +1,19 @@
+#ifndef LAME_ENCODER_H
+#define LAME_ENCODER_H
+
+#include "encoder.h"
+
+#include <lame/lame.h>
+
+class EncoderLame : public EncoderBase {
+	private:
+		lame_global_flags *gfp;
+
+	public:
+		EncoderLame();
+		~EncoderLame();
+		size_t encode(uint8_t *input, size_t input_size, uint8_t *output, size_t output_size);
+		size_t flush(uint8_t *output, size_t output_size);
+};
+
+#endif