Use a filtering_istream with custom filters to chain file -> decoder -> encoder.

2 files changed, 4 insertions, 6 deletions

diff --git a/encoders/lame_encoder.cpp b/encoders/lame_encoder.cpp
index 4cbfc9c..125ee5e 100644
--- a/encoders/lame_encoder.cpp
+++ b/encoders/lame_encoder.cpp
@@ -15,12 +15,10 @@ 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::encode(const uint8_t *input, size_t input_size, uint8_t *output, size_t output_size) {
+	return lame_encode_buffer_interleaved(gfp, (short*)input, input_size / 4, output, output_size);
 }
 
 size_t EncoderLame::flush(uint8_t *output, size_t output_size) {
-	size_t size = lame_encode_flush(gfp, output, output_size);
-	return size;
+	return lame_encode_flush(gfp, output, output_size);
 }
diff --git a/encoders/lame_encoder.h b/encoders/lame_encoder.h
index 47f9666..1843361 100644
--- a/encoders/lame_encoder.h
+++ b/encoders/lame_encoder.h
@@ -12,7 +12,7 @@ class EncoderLame : public EncoderBase {
 	public:
 		EncoderLame();
 		~EncoderLame();
-		size_t encode(uint8_t *input, size_t input_size, uint8_t *output, size_t output_size);
+		size_t encode(const uint8_t *input, size_t input_size, uint8_t *output, size_t output_size);
 		size_t flush(uint8_t *output, size_t output_size);
 };