diff options
Diffstat (limited to 'decoders/ffmpeg_decoder.cpp')
-rw-r--r-- | decoders/ffmpeg_decoder.cpp | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/decoders/ffmpeg_decoder.cpp b/decoders/ffmpeg_decoder.cpp new file mode 100644 index 0000000..d66c72b --- /dev/null +++ b/decoders/ffmpeg_decoder.cpp @@ -0,0 +1,36 @@ +#include "ffmpeg_decoder.h" + +#include <iostream> + +DecoderFFmpeg::DecoderFFmpeg(const std::string& filename) { + av_register_all(); + + std::cerr << "Opening file: " << av_open_input_file(&lavf_ctx, filename.c_str(), 0, 0, 0) << std::endl; + + av_find_stream_info(lavf_ctx); + + dump_format(lavf_ctx, 0, filename.c_str(), 0); + + lavc_ctx = lavf_ctx->streams[0]->codec; + codec = avcodec_find_decoder(lavc_ctx->codec_id); + + std::cerr << "Opening decoder: " << avcodec_open(lavc_ctx, codec) << std::endl; +} + +DecoderFFmpeg::~DecoderFFmpeg() { + +} + +std::size_t DecoderFFmpeg::read(char* buf, std::size_t buf_size) { + AVPacket packet; + + av_read_packet(lavf_ctx, &packet); + + int len = avcodec_decode_audio3(lavc_ctx, (int16_t*)buf, (int*)&buf_size, &packet); + + std::cerr << "Decoded " << len << " bytes of data to " << buf_size << " bytes of raw data." << std::endl; + + av_free_packet(&packet); + + return buf_size; +} |