From 655ad344140ee250f8becf67544dbe035a3460b1 Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Thu, 23 Jan 2014 23:09:14 +0100 Subject: Encoder*: move to src/encoder .. and move the plugins to src/encoder/plugins/. --- src/encoder/ShineEncoderPlugin.cxx | 271 ------------------------------------- 1 file changed, 271 deletions(-) delete mode 100644 src/encoder/ShineEncoderPlugin.cxx (limited to 'src/encoder/ShineEncoderPlugin.cxx') diff --git a/src/encoder/ShineEncoderPlugin.cxx b/src/encoder/ShineEncoderPlugin.cxx deleted file mode 100644 index 39e400a58..000000000 --- a/src/encoder/ShineEncoderPlugin.cxx +++ /dev/null @@ -1,271 +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 "ShineEncoderPlugin.hxx" -#include "config.h" -#include "EncoderAPI.hxx" -#include "AudioFormat.hxx" -#include "ConfigError.hxx" -#include "util/Manual.hxx" -#include "util/NumberParser.hxx" -#include "util/DynamicFifoBuffer.hxx" -#include "util/Error.hxx" -#include "util/Domain.hxx" - -extern "C" -{ -#include -} - -static constexpr size_t BUFFER_INIT_SIZE = 8192; -static constexpr unsigned CHANNELS = 2; - -struct ShineEncoder { - Encoder encoder; - - AudioFormat audio_format; - - shine_t shine; - - shine_config_t config; - - size_t frame_size; - size_t input_pos; - int16_t *stereo[CHANNELS]; - - Manual> output_buffer; - - ShineEncoder():encoder(shine_encoder_plugin){} - - bool Configure(const config_param ¶m, Error &error); - - bool Setup(Error &error); - - bool WriteChunk(bool flush); -}; - -static constexpr Domain shine_encoder_domain("shine_encoder"); - -inline bool -ShineEncoder::Configure(const config_param ¶m, - gcc_unused Error &error) -{ - shine_set_config_mpeg_defaults(&config.mpeg); - config.mpeg.bitr = param.GetBlockValue("bitrate", 128); - - return true; -} - -static Encoder * -shine_encoder_init(const config_param ¶m, Error &error) -{ - ShineEncoder *encoder = new ShineEncoder(); - - /* load configuration from "param" */ - if (!encoder->Configure(param, error)) { - /* configuration has failed, roll back and return error */ - delete encoder; - return nullptr; - } - - return &encoder->encoder; -} - -static void -shine_encoder_finish(Encoder *_encoder) -{ - ShineEncoder *encoder = (ShineEncoder *)_encoder; - - delete encoder; -} - -inline bool -ShineEncoder::Setup(Error &error) -{ - config.mpeg.mode = audio_format.channels == 2 ? STEREO : MONO; - config.wave.samplerate = audio_format.sample_rate; - config.wave.channels = - audio_format.channels == 2 ? PCM_STEREO : PCM_MONO; - - if (shine_check_config(config.wave.samplerate, config.mpeg.bitr) < 0) { - error.Format(config_domain, - "error configuring shine. " - "samplerate %d and bitrate %d configuration" - " not supported.", - config.wave.samplerate, - config.mpeg.bitr); - - return false; - } - - shine = shine_initialise(&config); - - if (!shine) { - error.Format(config_domain, - "error initializing shine."); - - return false; - } - - frame_size = shine_samples_per_pass(shine); - - return true; -} - -static bool -shine_encoder_open(Encoder *_encoder, AudioFormat &audio_format, Error &error) -{ - ShineEncoder *encoder = (ShineEncoder *)_encoder; - - audio_format.format = SampleFormat::S16; - audio_format.channels = CHANNELS; - encoder->audio_format = audio_format; - - if (!encoder->Setup(error)) - return false; - - encoder->stereo[0] = new int16_t[encoder->frame_size]; - encoder->stereo[1] = new int16_t[encoder->frame_size]; - /* workaround for bug: - https://github.com/savonet/shine/issues/11 */ - encoder->input_pos = SHINE_MAX_SAMPLES + 1; - - encoder->output_buffer.Construct(BUFFER_INIT_SIZE); - - return true; -} - -static void -shine_encoder_close(Encoder *_encoder) -{ - ShineEncoder *encoder = (ShineEncoder *)_encoder; - - if (encoder->input_pos > SHINE_MAX_SAMPLES) { - /* write zero chunk */ - encoder->input_pos = 0; - encoder->WriteChunk(true); - } - - shine_close(encoder->shine); - delete[] encoder->stereo[0]; - delete[] encoder->stereo[1]; - encoder->output_buffer.Destruct(); -} - -bool -ShineEncoder::WriteChunk(bool flush) -{ - if (flush || input_pos == frame_size) { - long written; - - if (flush) { - /* fill remaining with 0s */ - for (; input_pos < frame_size; input_pos++) { - stereo[0][input_pos] = stereo[1][input_pos] = 0; - } - } - - const uint8_t *out = - shine_encode_buffer(shine, stereo, &written); - - if (written > 0) - output_buffer->Append(out, written); - - input_pos = 0; - } - - return true; -} - -static bool -shine_encoder_write(Encoder *_encoder, - const void *_data, size_t length, - gcc_unused Error &error) -{ - ShineEncoder *encoder = (ShineEncoder *)_encoder; - const int16_t *data = (const int16_t*)_data; - length /= sizeof(*data) * encoder->audio_format.channels; - size_t written = 0; - - if (encoder->input_pos > SHINE_MAX_SAMPLES) { - encoder->input_pos = 0; - } - - /* write all data to de-interleaved buffers */ - while (written < length) { - for (; - written < length - && encoder->input_pos < encoder->frame_size; - written++, encoder->input_pos++) { - const size_t base = - written * encoder->audio_format.channels; - encoder->stereo[0][encoder->input_pos] = data[base]; - encoder->stereo[1][encoder->input_pos] = data[base + 1]; - } - /* write if chunk is filled */ - encoder->WriteChunk(false); - } - - return true; -} - -static bool -shine_encoder_flush(Encoder *_encoder, gcc_unused Error &error) -{ - ShineEncoder *encoder = (ShineEncoder *)_encoder; - long written; - - /* flush buffers and flush shine */ - encoder->WriteChunk(true); - const uint8_t *data = shine_flush(encoder->shine, &written); - - if (written > 0) - encoder->output_buffer->Append(data, written); - - return true; -} - -static size_t -shine_encoder_read(Encoder *_encoder, void *dest, size_t length) -{ - ShineEncoder *encoder = (ShineEncoder *)_encoder; - - return encoder->output_buffer->Read((uint8_t *)dest, length); -} - -static const char * -shine_encoder_get_mime_type(gcc_unused Encoder *_encoder) -{ - return "audio/mpeg"; -} - -const EncoderPlugin shine_encoder_plugin = { - "shine", - shine_encoder_init, - shine_encoder_finish, - shine_encoder_open, - shine_encoder_close, - shine_encoder_flush, - shine_encoder_flush, - nullptr, - nullptr, - shine_encoder_write, - shine_encoder_read, - shine_encoder_get_mime_type, -}; -- cgit v1.2.3