diff options
author | Jon Bergli Heier <snakebite@jvnv.net> | 2011-01-10 17:52:44 +0100 |
---|---|---|
committer | Jon Bergli Heier <snakebite@jvnv.net> | 2011-01-10 17:52:44 +0100 |
commit | fbbb74bac8db34e1d472213d0c625413545bc48e (patch) | |
tree | 1bcc57bced8f5d6887f81d6419e5c519d36422cc | |
parent | 089f3579a16a414d91d2512e2868faa329dbe7b0 (diff) |
Fixed mpg123 decoder.
-rw-r--r-- | decoders/mpg123_decoder.cpp | 27 | ||||
-rw-r--r-- | decoders/mpg123_decoder.h | 6 |
2 files changed, 9 insertions, 24 deletions
diff --git a/decoders/mpg123_decoder.cpp b/decoders/mpg123_decoder.cpp index 8b3d9b4..ec6f490 100644 --- a/decoders/mpg123_decoder.cpp +++ b/decoders/mpg123_decoder.cpp @@ -5,14 +5,14 @@ #include <iostream> #include <stdexcept> -DecoderMpg123::DecoderMpg123(const std::string& filename) : ifile(filename.c_str()) { +DecoderMpg123::DecoderMpg123(const std::string& filename) { int error; handle = mpg123_new("generic", &error); if(error) { throw std::runtime_error(mpg123_plain_strerror(error)); } - error = mpg123_open_feed(handle); + error = mpg123_open(handle, filename.c_str()); if(error) { throw std::runtime_error(mpg123_plain_strerror(error)); } @@ -26,33 +26,24 @@ DecoderMpg123::~DecoderMpg123() { mpg123_delete(handle); } -size_t DecoderMpg123::decode(const uint8_t *input, size_t input_size, uint8_t *output, size_t output_size) { - if(mpg123_feed(handle, input, input_size) != MPG123_OK) { - throw std::runtime_error(mpg123_strerror(handle)); - } - +std::size_t DecoderMpg123::read(char* buf, std::size_t buf_size) { + char src_data[0x2000]; + int error = MPG123_NEED_MORE; size_t output_written; - int error = mpg123_read(handle, output, output_size, &output_written); + + error = mpg123_read(handle, (unsigned char*)buf, buf_size, &output_written); if(error == MPG123_NEW_FORMAT) { long rate; int channels, enc; mpg123_getformat(handle, &rate, &channels, &enc); std::cout << boost::format("mpg123: New format: %li Hz, %i channels, encoding value %i") % rate % channels % enc << std::endl; - error = mpg123_read(handle, output, output_size, &output_written); + error = mpg123_read(handle, (unsigned char*)buf, buf_size, &output_written); } - if(error != MPG123_OK && error != MPG123_DONE && error != MPG123_NEED_MORE) { + if(error != MPG123_OK && error != MPG123_DONE) { throw std::runtime_error(mpg123_plain_strerror(error)); } return output_written; } - -std::size_t DecoderMpg123::read(char* buf, std::size_t buf_size) { - char src_data[0x2000]; - std::streamsize src_read = ifile.get(src_data, 0x2000).gcount(); - if(src_read < 0) - src_read = 0; - return decode((const uint8_t*)src_data, src_read, (uint8_t*)buf, buf_size); -} diff --git a/decoders/mpg123_decoder.h b/decoders/mpg123_decoder.h index bc35ed9..edd2108 100644 --- a/decoders/mpg123_decoder.h +++ b/decoders/mpg123_decoder.h @@ -3,17 +3,11 @@ #include "decoder.h" -#include <fstream> #include <mpg123.h> -// needed for uint8_t -#include <boost/cstdint.hpp> class DecoderMpg123 : public Decoder { private: mpg123_handle *handle; - std::ifstream ifile; - - size_t decode(const uint8_t *input, size_t input_size, uint8_t *output, size_t output_size); public: DecoderMpg123(const std::string& filename); |