X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fsndfile_decoder.cc;h=ac01e0da87c99bf23fbc23da0b7ad4fc4a5eb4f9;hb=aebfa24afe42d80693df66318e5d2818ebf5989b;hp=d6537843e8970ebde3ae6872bb99f04fd66e5de3;hpb=ae9b0b509787d244366eb8f69bdf9d563b6c6bb6;p=dcpomatic.git diff --git a/src/lib/sndfile_decoder.cc b/src/lib/sndfile_decoder.cc index d6537843e..ac01e0da8 100644 --- a/src/lib/sndfile_decoder.cc +++ b/src/lib/sndfile_decoder.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2012 Carl Hetherington + Copyright (C) 2012-2015 Carl Hetherington This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -21,7 +21,6 @@ #include #include "sndfile_content.h" #include "sndfile_decoder.h" -#include "film.h" #include "exceptions.h" #include "audio_buffers.h" @@ -33,46 +32,39 @@ using std::min; using std::cout; using boost::shared_ptr; -SndfileDecoder::SndfileDecoder (shared_ptr f, shared_ptr c) - : Decoder (f) - , AudioDecoder (f, c) - , _sndfile_content (c) +SndfileDecoder::SndfileDecoder (shared_ptr c, bool fast) + : Sndfile (c) + , AudioDecoder (c, fast) + , _done (0) + , _remaining (_info.frames) , _deinterleave_buffer (0) { - _info.format = 0; - _sndfile = sf_open (_sndfile_content->path(0).string().c_str(), SFM_READ, &_info); - if (!_sndfile) { - throw DecodeError (_("could not open audio file for reading")); - } - _done = 0; - _remaining = _info.frames; } SndfileDecoder::~SndfileDecoder () { - sf_close (_sndfile); delete[] _deinterleave_buffer; } bool -SndfileDecoder::pass () +SndfileDecoder::pass (PassReason, bool) { if (_remaining == 0) { return true; } - + /* Do things in half second blocks as I think there may be limits to what FFmpeg (and in particular the resampler) can cope with. */ - sf_count_t const block = _sndfile_content->content_audio_frame_rate() / 2; + sf_count_t const block = _sndfile_content->audio_stream()->frame_rate() / 2; sf_count_t const this_time = min (block, _remaining); - int const channels = _sndfile_content->audio_channels (); - + int const channels = _sndfile_content->audio_stream()->channels (); + shared_ptr data (new AudioBuffers (channels, this_time)); - if (_sndfile_content->audio_channels() == 1) { + if (_sndfile_content->audio_stream()->channels() == 1) { /* No de-interleaving required */ sf_read_float (_sndfile, data->data(0), this_time); } else { @@ -92,39 +84,20 @@ SndfileDecoder::pass () } } } - + data->set_frames (this_time); - audio (data, _done * TIME_HZ / audio_frame_rate ()); + audio (_sndfile_content->audio_stream (), data, ContentTime::from_frames (_done, _info.samplerate)); _done += this_time; _remaining -= this_time; return _remaining == 0; } -int -SndfileDecoder::audio_channels () const -{ - return _info.channels; -} - -AudioFrame -SndfileDecoder::audio_length () const -{ - return _info.frames; -} - -int -SndfileDecoder::audio_frame_rate () const -{ - return _info.samplerate; -} - void SndfileDecoder::seek (ContentTime t, bool accurate) { - Decoder::seek (t, accurate); AudioDecoder::seek (t, accurate); - _done = t * audio_frame_rate() / TIME_HZ; + _done = t.frames_round (_info.samplerate); _remaining = _info.frames - _done; }