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Diffstat (limited to 'src/filter/ConvertFilterPlugin.cxx')
-rw-r--r-- | src/filter/ConvertFilterPlugin.cxx | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/src/filter/ConvertFilterPlugin.cxx b/src/filter/ConvertFilterPlugin.cxx deleted file mode 100644 index 040f8426f..000000000 --- a/src/filter/ConvertFilterPlugin.cxx +++ /dev/null @@ -1,119 +0,0 @@ -/* - * Copyright (C) 2003-2013 The Music Player Daemon Project - * http://www.musicpd.org - * - * 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 - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" -#include "ConvertFilterPlugin.hxx" -#include "FilterPlugin.hxx" -#include "FilterInternal.hxx" -#include "FilterRegistry.hxx" -#include "pcm/PcmConvert.hxx" -#include "util/Manual.hxx" -#include "AudioFormat.hxx" -#include "poison.h" - -#include <assert.h> -#include <string.h> - -class ConvertFilter final : public Filter { - /** - * The input audio format; PCM data is passed to the filter() - * method in this format. - */ - AudioFormat in_audio_format; - - /** - * The output audio format; the consumer of this plugin - * expects PCM data in this format. This defaults to - * #in_audio_format, and can be set with convert_filter_set(). - */ - AudioFormat out_audio_format; - - Manual<PcmConvert> state; - -public: - void Set(const AudioFormat &_out_audio_format) { - assert(in_audio_format.IsValid()); - assert(out_audio_format.IsValid()); - assert(_out_audio_format.IsValid()); - - out_audio_format = _out_audio_format; - } - - virtual AudioFormat Open(AudioFormat &af, Error &error) override; - virtual void Close() override; - virtual const void *FilterPCM(const void *src, size_t src_size, - size_t *dest_size_r, - Error &error) override; -}; - -static Filter * -convert_filter_init(gcc_unused const config_param ¶m, - gcc_unused Error &error) -{ - return new ConvertFilter(); -} - -AudioFormat -ConvertFilter::Open(AudioFormat &audio_format, gcc_unused Error &error) -{ - assert(audio_format.IsValid()); - - in_audio_format = out_audio_format = audio_format; - state.Construct(); - - return in_audio_format; -} - -void -ConvertFilter::Close() -{ - state.Destruct(); - - poison_undefined(&in_audio_format, sizeof(in_audio_format)); - poison_undefined(&out_audio_format, sizeof(out_audio_format)); -} - -const void * -ConvertFilter::FilterPCM(const void *src, size_t src_size, - size_t *dest_size_r, Error &error) -{ - if (in_audio_format == out_audio_format) { - /* optimized special case: no-op */ - *dest_size_r = src_size; - return src; - } - - return state->Convert(in_audio_format, - src, src_size, - out_audio_format, dest_size_r, - error); -} - -const struct filter_plugin convert_filter_plugin = { - "convert", - convert_filter_init, -}; - -void -convert_filter_set(Filter *_filter, const AudioFormat out_audio_format) -{ - ConvertFilter *filter = (ConvertFilter *)_filter; - - filter->Set(out_audio_format); -} |