decoder/*: move to decoder/plugins/

1 files changed, 0 insertions, 597 deletions

diff --git a/src/DecoderAPI.cxx b/src/DecoderAPI.cxx
deleted file mode 100644
index ccb98a230..000000000
--- a/src/DecoderAPI.cxx
+++ /dev/null
@@ -1,597 +0,0 @@
-/*
- * Copyright (C) 2003-2014 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 "DecoderAPI.hxx"
-#include "DecoderError.hxx"
-#include "pcm/PcmConvert.hxx"
-#include "AudioConfig.hxx"
-#include "ReplayGainConfig.hxx"
-#include "MusicChunk.hxx"
-#include "MusicBuffer.hxx"
-#include "MusicPipe.hxx"
-#include "DecoderControl.hxx"
-#include "DecoderInternal.hxx"
-#include "DetachedSong.hxx"
-#include "InputStream.hxx"
-#include "util/Error.hxx"
-#include "Log.hxx"
-
-#include <assert.h>
-#include <string.h>
-#include <math.h>
-
-void
-decoder_initialized(Decoder &decoder,
-		    const AudioFormat audio_format,
-		    bool seekable, float total_time)
-{
-	DecoderControl &dc = decoder.dc;
-	struct audio_format_string af_string;
-
-	assert(dc.state == DecoderState::START);
-	assert(dc.pipe != nullptr);
-	assert(decoder.convert == nullptr);
-	assert(decoder.stream_tag == nullptr);
-	assert(decoder.decoder_tag == nullptr);
-	assert(!decoder.seeking);
-	assert(audio_format.IsDefined());
-	assert(audio_format.IsValid());
-
-	dc.in_audio_format = audio_format;
-	dc.out_audio_format = getOutputAudioFormat(audio_format);
-
-	dc.seekable = seekable;
-	dc.total_time = total_time;
-
-	FormatDebug(decoder_domain, "audio_format=%s, seekable=%s",
-		    audio_format_to_string(dc.in_audio_format, &af_string),
-		    seekable ? "true" : "false");
-
-	if (dc.in_audio_format != dc.out_audio_format) {
-		FormatDebug(decoder_domain, "converting to %s",
-			    audio_format_to_string(dc.out_audio_format,
-						   &af_string));
-
-		decoder.convert = new PcmConvert();
-
-		Error error;
-		if (!decoder.convert->Open(dc.in_audio_format,
-					   dc.out_audio_format,
-					   error))
-			decoder.error = std::move(error);
-	}
-
-	dc.Lock();
-	dc.state = DecoderState::DECODE;
-	dc.client_cond.signal();
-	dc.Unlock();
-}
-
-/**
- * Checks if we need an "initial seek".  If so, then the initial seek
- * is prepared, and the function returns true.
- */
-gcc_pure
-static bool
-decoder_prepare_initial_seek(Decoder &decoder)
-{
-	const DecoderControl &dc = decoder.dc;
-	assert(dc.pipe != nullptr);
-
-	if (dc.state != DecoderState::DECODE)
-		/* wait until the decoder has finished initialisation
-		   (reading file headers etc.) before emitting the
-		   virtual "SEEK" command */
-		return false;
-
-	if (decoder.initial_seek_running)
-		/* initial seek has already begun - override any other
-		   command */
-		return true;
-
-	if (decoder.initial_seek_pending) {
-		if (!dc.seekable) {
-			/* seeking is not possible */
-			decoder.initial_seek_pending = false;
-			return false;
-		}
-
-		if (dc.command == DecoderCommand::NONE) {
-			/* begin initial seek */
-
-			decoder.initial_seek_pending = false;
-			decoder.initial_seek_running = true;
-			return true;
-		}
-
-		/* skip initial seek when there's another command
-		   (e.g. STOP) */
-
-		decoder.initial_seek_pending = false;
-	}
-
-	return false;
-}
-
-/**
- * Returns the current decoder command.  May return a "virtual"
- * synthesized command, e.g. to seek to the beginning of the CUE
- * track.
- */
-gcc_pure
-static DecoderCommand
-decoder_get_virtual_command(Decoder &decoder)
-{
-	if (decoder.error.IsDefined())
-		/* an error has occurred: stop the decoder plugin */
-		return DecoderCommand::STOP;
-
-	const DecoderControl &dc = decoder.dc;
-	assert(dc.pipe != nullptr);
-
-	if (decoder_prepare_initial_seek(decoder))
-		return DecoderCommand::SEEK;
-
-	return dc.command;
-}
-
-DecoderCommand
-decoder_get_command(Decoder &decoder)
-{
-	return decoder_get_virtual_command(decoder);
-}
-
-void
-decoder_command_finished(Decoder &decoder)
-{
-	DecoderControl &dc = decoder.dc;
-
-	dc.Lock();
-
-	assert(dc.command != DecoderCommand::NONE ||
-	       decoder.initial_seek_running);
-	assert(dc.command != DecoderCommand::SEEK ||
-	       decoder.initial_seek_running ||
-	       dc.seek_error || decoder.seeking);
-	assert(dc.pipe != nullptr);
-
-	if (decoder.initial_seek_running) {
-		assert(!decoder.seeking);
-		assert(decoder.chunk == nullptr);
-		assert(dc.pipe->IsEmpty());
-
-		decoder.initial_seek_running = false;
-		decoder.timestamp = dc.start_ms / 1000.;
-		dc.Unlock();
-		return;
-	}
-
-	if (decoder.seeking) {
-		decoder.seeking = false;
-
-		/* delete frames from the old song position */
-
-		if (decoder.chunk != nullptr) {
-			dc.buffer->Return(decoder.chunk);
-			decoder.chunk = nullptr;
-		}
-
-		dc.pipe->Clear(*dc.buffer);
-
-		decoder.timestamp = dc.seek_where;
-	}
-
-	dc.command = DecoderCommand::NONE;
-	dc.client_cond.signal();
-	dc.Unlock();
-}
-
-double decoder_seek_where(gcc_unused Decoder & decoder)
-{
-	const DecoderControl &dc = decoder.dc;
-
-	assert(dc.pipe != nullptr);
-
-	if (decoder.initial_seek_running)
-		return dc.start_ms / 1000.;
-
-	assert(dc.command == DecoderCommand::SEEK);
-
-	decoder.seeking = true;
-
-	return dc.seek_where;
-}
-
-void decoder_seek_error(Decoder & decoder)
-{
-	DecoderControl &dc = decoder.dc;
-
-	assert(dc.pipe != nullptr);
-
-	if (decoder.initial_seek_running) {
-		/* d'oh, we can't seek to the sub-song start position,
-		   what now? - no idea, ignoring the problem for now. */
-		decoder.initial_seek_running = false;
-		return;
-	}
-
-	assert(dc.command == DecoderCommand::SEEK);
-
-	dc.seek_error = true;
-	decoder.seeking = false;
-
-	decoder_command_finished(decoder);
-}
-
-/**
- * Should be read operation be cancelled?  That is the case when the
- * player thread has sent a command such as "STOP".
- */
-gcc_pure
-static inline bool
-decoder_check_cancel_read(const Decoder *decoder)
-{
-	if (decoder == nullptr)
-		return false;
-
-	const DecoderControl &dc = decoder->dc;
-	if (dc.command == DecoderCommand::NONE)
-		return false;
-
-	/* ignore the SEEK command during initialization, the plugin
-	   should handle that after it has initialized successfully */
-	if (dc.command == DecoderCommand::SEEK &&
-	    (dc.state == DecoderState::START || decoder->seeking))
-		return false;
-
-	return true;
-}
-
-size_t
-decoder_read(Decoder *decoder,
-	     InputStream &is,
-	     void *buffer, size_t length)
-{
-	/* XXX don't allow decoder==nullptr */
-
-	assert(decoder == nullptr ||
-	       decoder->dc.state == DecoderState::START ||
-	       decoder->dc.state == DecoderState::DECODE);
-	assert(buffer != nullptr);
-
-	if (length == 0)
-		return 0;
-
-	is.Lock();
-
-	while (true) {
-		if (decoder_check_cancel_read(decoder)) {
-			is.Unlock();
-			return 0;
-		}
-
-		if (is.IsAvailable())
-			break;
-
-		is.cond.wait(is.mutex);
-	}
-
-	Error error;
-	size_t nbytes = is.Read(buffer, length, error);
-	assert(nbytes == 0 || !error.IsDefined());
-	assert(nbytes > 0 || error.IsDefined() || is.IsEOF());
-
-	is.Unlock();
-
-	if (gcc_unlikely(nbytes == 0 && error.IsDefined()))
-		LogError(error);
-
-	return nbytes;
-}
-
-bool
-decoder_read_full(Decoder *decoder, InputStream &is,
-		  void *_buffer, size_t size)
-{
-	uint8_t *buffer = (uint8_t *)_buffer;
-
-	while (size > 0) {
-		size_t nbytes = decoder_read(decoder, is, buffer, size);
-		if (nbytes == 0)
-			return false;
-
-		buffer += nbytes;
-		size -= nbytes;
-	}
-
-	return true;
-}
-
-bool
-decoder_skip(Decoder *decoder, InputStream &is, size_t size)
-{
-	while (size > 0) {
-		char buffer[1024];
-		size_t nbytes = decoder_read(decoder, is, buffer,
-					     std::min(sizeof(buffer), size));
-		if (nbytes == 0)
-			return false;
-
-		size -= nbytes;
-	}
-
-	return true;
-}
-
-void
-decoder_timestamp(Decoder &decoder, double t)
-{
-	assert(t >= 0);
-
-	decoder.timestamp = t;
-}
-
-/**
- * Sends a #tag as-is to the music pipe.  Flushes the current chunk
- * (decoder.chunk) if there is one.
- */
-static DecoderCommand
-do_send_tag(Decoder &decoder, const Tag &tag)
-{
-	struct music_chunk *chunk;
-
-	if (decoder.chunk != nullptr) {
-		/* there is a partial chunk - flush it, we want the
-		   tag in a new chunk */
-		decoder.FlushChunk();
-	}
-
-	assert(decoder.chunk == nullptr);
-
-	chunk = decoder.GetChunk();
-	if (chunk == nullptr) {
-		assert(decoder.dc.command != DecoderCommand::NONE);
-		return decoder.dc.command;
-	}
-
-	chunk->tag = new Tag(tag);
-	return DecoderCommand::NONE;
-}
-
-static bool
-update_stream_tag(Decoder &decoder, InputStream *is)
-{
-	Tag *tag;
-
-	tag = is != nullptr
-		? is->LockReadTag()
-		: nullptr;
-	if (tag == nullptr) {
-		tag = decoder.song_tag;
-		if (tag == nullptr)
-			return false;
-
-		/* no stream tag present - submit the song tag
-		   instead */
-		decoder.song_tag = nullptr;
-	}
-
-	delete decoder.stream_tag;
-	decoder.stream_tag = tag;
-	return true;
-}
-
-DecoderCommand
-decoder_data(Decoder &decoder,
-	     InputStream *is,
-	     const void *data, size_t length,
-	     uint16_t kbit_rate)
-{
-	DecoderControl &dc = decoder.dc;
-	DecoderCommand cmd;
-
-	assert(dc.state == DecoderState::DECODE);
-	assert(dc.pipe != nullptr);
-	assert(length % dc.in_audio_format.GetFrameSize() == 0);
-
-	dc.Lock();
-	cmd = decoder_get_virtual_command(decoder);
-	dc.Unlock();
-
-	if (cmd == DecoderCommand::STOP || cmd == DecoderCommand::SEEK ||
-	    length == 0)
-		return cmd;
-
-	/* send stream tags */
-
-	if (update_stream_tag(decoder, is)) {
-		if (decoder.decoder_tag != nullptr) {
-			/* merge with tag from decoder plugin */
-			Tag *tag = Tag::Merge(*decoder.decoder_tag,
-					      *decoder.stream_tag);
-			cmd = do_send_tag(decoder, *tag);
-			delete tag;
-		} else
-			/* send only the stream tag */
-			cmd = do_send_tag(decoder, *decoder.stream_tag);
-
-		if (cmd != DecoderCommand::NONE)
-			return cmd;
-	}
-
-	if (decoder.convert != nullptr) {
-		assert(dc.in_audio_format != dc.out_audio_format);
-
-		Error error;
-		data = decoder.convert->Convert(data, length,
-						&length,
-						error);
-		if (data == nullptr) {
-			/* the PCM conversion has failed - stop
-			   playback, since we have no better way to
-			   bail out */
-			LogError(error);
-			return DecoderCommand::STOP;
-		}
-	} else {
-		assert(dc.in_audio_format == dc.out_audio_format);
-	}
-
-	while (length > 0) {
-		struct music_chunk *chunk;
-		bool full;
-
-		chunk = decoder.GetChunk();
-		if (chunk == nullptr) {
-			assert(dc.command != DecoderCommand::NONE);
-			return dc.command;
-		}
-
-		const auto dest =
-			chunk->Write(dc.out_audio_format,
-				     decoder.timestamp -
-				     dc.song->GetStartMS() / 1000.0,
-				     kbit_rate);
-		if (dest.IsNull()) {
-			/* the chunk is full, flush it */
-			decoder.FlushChunk();
-			continue;
-		}
-
-		size_t nbytes = dest.size;
-		assert(nbytes > 0);
-
-		if (nbytes > length)
-			nbytes = length;
-
-		/* copy the buffer */
-
-		memcpy(dest.data, data, nbytes);
-
-		/* expand the music pipe chunk */
-
-		full = chunk->Expand(dc.out_audio_format, nbytes);
-		if (full) {
-			/* the chunk is full, flush it */
-			decoder.FlushChunk();
-		}
-
-		data = (const uint8_t *)data + nbytes;
-		length -= nbytes;
-
-		decoder.timestamp += (double)nbytes /
-			dc.out_audio_format.GetTimeToSize();
-
-		if (dc.end_ms > 0 &&
-		    decoder.timestamp >= dc.end_ms / 1000.0)
-			/* the end of this range has been reached:
-			   stop decoding */
-			return DecoderCommand::STOP;
-	}
-
-	return DecoderCommand::NONE;
-}
-
-DecoderCommand
-decoder_tag(Decoder &decoder, InputStream *is,
-	    Tag &&tag)
-{
-	gcc_unused const DecoderControl &dc = decoder.dc;
-	DecoderCommand cmd;
-
-	assert(dc.state == DecoderState::DECODE);
-	assert(dc.pipe != nullptr);
-
-	/* save the tag */
-
-	delete decoder.decoder_tag;
-	decoder.decoder_tag = new Tag(tag);
-
-	/* check for a new stream tag */
-
-	update_stream_tag(decoder, is);
-
-	/* check if we're seeking */
-
-	if (decoder_prepare_initial_seek(decoder))
-		/* during initial seek, no music chunk must be created
-		   until seeking is finished; skip the rest of the
-		   function here */
-		return DecoderCommand::SEEK;
-
-	/* send tag to music pipe */
-
-	if (decoder.stream_tag != nullptr) {
-		/* merge with tag from input stream */
-		Tag *merged;
-
-		merged = Tag::Merge(*decoder.stream_tag,
-				    *decoder.decoder_tag);
-		cmd = do_send_tag(decoder, *merged);
-		delete merged;
-	} else
-		/* send only the decoder tag */
-		cmd = do_send_tag(decoder, *decoder.decoder_tag);
-
-	return cmd;
-}
-
-void
-decoder_replay_gain(Decoder &decoder,
-		    const ReplayGainInfo *replay_gain_info)
-{
-	if (replay_gain_info != nullptr) {
-		static unsigned serial;
-		if (++serial == 0)
-			serial = 1;
-
-		if (REPLAY_GAIN_OFF != replay_gain_mode) {
-			ReplayGainMode rgm = replay_gain_mode;
-			if (rgm != REPLAY_GAIN_ALBUM)
-				rgm = REPLAY_GAIN_TRACK;
-
-			const auto &tuple = replay_gain_info->tuples[rgm];
-			const auto scale =
-				tuple.CalculateScale(replay_gain_preamp,
-						     replay_gain_missing_preamp,
-						     replay_gain_limit);
-			decoder.dc.replay_gain_db = 20.0 * log10f(scale);
-		}
-
-		decoder.replay_gain_info = *replay_gain_info;
-		decoder.replay_gain_serial = serial;
-
-		if (decoder.chunk != nullptr) {
-			/* flush the current chunk because the new
-			   replay gain values affect the following
-			   samples */
-			decoder.FlushChunk();
-		}
-	} else
-		decoder.replay_gain_serial = 0;
-}
-
-void
-decoder_mixramp(Decoder &decoder, MixRampInfo &&mix_ramp)
-{
-	DecoderControl &dc = decoder.dc;
-
-	dc.SetMixRamp(std::move(mix_ramp));
-}