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/VorbisEncoderPlugin.cxx | 365 ------------------------------------ 1 file changed, 365 deletions(-) delete mode 100644 src/encoder/VorbisEncoderPlugin.cxx (limited to 'src/encoder/VorbisEncoderPlugin.cxx') diff --git a/src/encoder/VorbisEncoderPlugin.cxx b/src/encoder/VorbisEncoderPlugin.cxx deleted file mode 100644 index d82d85c17..000000000 --- a/src/encoder/VorbisEncoderPlugin.cxx +++ /dev/null @@ -1,365 +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 "VorbisEncoderPlugin.hxx" -#include "OggStream.hxx" -#include "OggSerial.hxx" -#include "EncoderAPI.hxx" -#include "tag/Tag.hxx" -#include "AudioFormat.hxx" -#include "ConfigError.hxx" -#include "util/NumberParser.hxx" -#include "util/Error.hxx" -#include "util/Domain.hxx" - -#include - -#include - -struct vorbis_encoder { - /** the base class */ - Encoder encoder; - - /* configuration */ - - float quality; - int bitrate; - - /* runtime information */ - - AudioFormat audio_format; - - vorbis_dsp_state vd; - vorbis_block vb; - vorbis_info vi; - - OggStream stream; - - vorbis_encoder():encoder(vorbis_encoder_plugin) {} -}; - -static constexpr Domain vorbis_encoder_domain("vorbis_encoder"); - -static bool -vorbis_encoder_configure(struct vorbis_encoder *encoder, - const config_param ¶m, Error &error) -{ - const char *value = param.GetBlockValue("quality"); - if (value != nullptr) { - /* a quality was configured (VBR) */ - - char *endptr; - encoder->quality = ParseDouble(value, &endptr); - - if (*endptr != '\0' || encoder->quality < -1.0 || - encoder->quality > 10.0) { - error.Format(config_domain, - "quality \"%s\" is not a number in the " - "range -1 to 10", - value); - return false; - } - - if (param.GetBlockValue("bitrate") != nullptr) { - error.Set(config_domain, - "quality and bitrate are both defined"); - return false; - } - } else { - /* a bit rate was configured */ - - value = param.GetBlockValue("bitrate"); - if (value == nullptr) { - error.Set(config_domain, - "neither bitrate nor quality defined"); - return false; - } - - encoder->quality = -2.0; - - char *endptr; - encoder->bitrate = ParseInt(value, &endptr); - if (*endptr != '\0' || encoder->bitrate <= 0) { - error.Set(config_domain, - "bitrate should be a positive integer"); - return false; - } - } - - return true; -} - -static Encoder * -vorbis_encoder_init(const config_param ¶m, Error &error) -{ - vorbis_encoder *encoder = new vorbis_encoder(); - - /* load configuration from "param" */ - if (!vorbis_encoder_configure(encoder, param, error)) { - /* configuration has failed, roll back and return error */ - delete encoder; - return nullptr; - } - - return &encoder->encoder; -} - -static void -vorbis_encoder_finish(Encoder *_encoder) -{ - struct vorbis_encoder *encoder = (struct vorbis_encoder *)_encoder; - - /* the real libvorbis/libogg cleanup was already performed by - vorbis_encoder_close(), so no real work here */ - delete encoder; -} - -static bool -vorbis_encoder_reinit(struct vorbis_encoder *encoder, Error &error) -{ - vorbis_info_init(&encoder->vi); - - if (encoder->quality >= -1.0) { - /* a quality was configured (VBR) */ - - if (0 != vorbis_encode_init_vbr(&encoder->vi, - encoder->audio_format.channels, - encoder->audio_format.sample_rate, - encoder->quality * 0.1)) { - error.Set(vorbis_encoder_domain, - "error initializing vorbis vbr"); - vorbis_info_clear(&encoder->vi); - return false; - } - } else { - /* a bit rate was configured */ - - if (0 != vorbis_encode_init(&encoder->vi, - encoder->audio_format.channels, - encoder->audio_format.sample_rate, -1.0, - encoder->bitrate * 1000, -1.0)) { - error.Set(vorbis_encoder_domain, - "error initializing vorbis encoder"); - vorbis_info_clear(&encoder->vi); - return false; - } - } - - vorbis_analysis_init(&encoder->vd, &encoder->vi); - vorbis_block_init(&encoder->vd, &encoder->vb); - encoder->stream.Initialize(GenerateOggSerial()); - - return true; -} - -static void -vorbis_encoder_headerout(struct vorbis_encoder *encoder, vorbis_comment *vc) -{ - ogg_packet packet, comments, codebooks; - - vorbis_analysis_headerout(&encoder->vd, vc, - &packet, &comments, &codebooks); - - encoder->stream.PacketIn(packet); - encoder->stream.PacketIn(comments); - encoder->stream.PacketIn(codebooks); -} - -static void -vorbis_encoder_send_header(struct vorbis_encoder *encoder) -{ - vorbis_comment vc; - - vorbis_comment_init(&vc); - vorbis_encoder_headerout(encoder, &vc); - vorbis_comment_clear(&vc); -} - -static bool -vorbis_encoder_open(Encoder *_encoder, - AudioFormat &audio_format, - Error &error) -{ - struct vorbis_encoder *encoder = (struct vorbis_encoder *)_encoder; - - audio_format.format = SampleFormat::FLOAT; - - encoder->audio_format = audio_format; - - if (!vorbis_encoder_reinit(encoder, error)) - return false; - - vorbis_encoder_send_header(encoder); - - return true; -} - -static void -vorbis_encoder_clear(struct vorbis_encoder *encoder) -{ - encoder->stream.Deinitialize(); - vorbis_block_clear(&encoder->vb); - vorbis_dsp_clear(&encoder->vd); - vorbis_info_clear(&encoder->vi); -} - -static void -vorbis_encoder_close(Encoder *_encoder) -{ - struct vorbis_encoder *encoder = (struct vorbis_encoder *)_encoder; - - vorbis_encoder_clear(encoder); -} - -static void -vorbis_encoder_blockout(struct vorbis_encoder *encoder) -{ - while (vorbis_analysis_blockout(&encoder->vd, &encoder->vb) == 1) { - vorbis_analysis(&encoder->vb, nullptr); - vorbis_bitrate_addblock(&encoder->vb); - - ogg_packet packet; - while (vorbis_bitrate_flushpacket(&encoder->vd, &packet)) - encoder->stream.PacketIn(packet); - } -} - -static bool -vorbis_encoder_flush(Encoder *_encoder, gcc_unused Error &error) -{ - struct vorbis_encoder *encoder = (struct vorbis_encoder *)_encoder; - - encoder->stream.Flush(); - return true; -} - -static bool -vorbis_encoder_pre_tag(Encoder *_encoder, gcc_unused Error &error) -{ - struct vorbis_encoder *encoder = (struct vorbis_encoder *)_encoder; - - vorbis_analysis_wrote(&encoder->vd, 0); - vorbis_encoder_blockout(encoder); - - /* reinitialize vorbis_dsp_state and vorbis_block to reset the - end-of-stream marker */ - vorbis_block_clear(&encoder->vb); - vorbis_dsp_clear(&encoder->vd); - vorbis_analysis_init(&encoder->vd, &encoder->vi); - vorbis_block_init(&encoder->vd, &encoder->vb); - - encoder->stream.Flush(); - return true; -} - -static void -copy_tag_to_vorbis_comment(vorbis_comment *vc, const Tag *tag) -{ - for (unsigned i = 0; i < tag->num_items; i++) { - const TagItem &item = *tag->items[i]; - char *name = g_ascii_strup(tag_item_names[item.type], -1); - vorbis_comment_add_tag(vc, name, item.value); - g_free(name); - } -} - -static bool -vorbis_encoder_tag(Encoder *_encoder, const Tag *tag, - gcc_unused Error &error) -{ - struct vorbis_encoder *encoder = (struct vorbis_encoder *)_encoder; - vorbis_comment comment; - - /* write the vorbis_comment object */ - - vorbis_comment_init(&comment); - copy_tag_to_vorbis_comment(&comment, tag); - - /* reset ogg_stream_state and begin a new stream */ - - encoder->stream.Reinitialize(GenerateOggSerial()); - - /* send that vorbis_comment to the ogg_stream_state */ - - vorbis_encoder_headerout(encoder, &comment); - vorbis_comment_clear(&comment); - - return true; -} - -static void -interleaved_to_vorbis_buffer(float **dest, const float *src, - unsigned num_frames, unsigned num_channels) -{ - for (unsigned i = 0; i < num_frames; i++) - for (unsigned j = 0; j < num_channels; j++) - dest[j][i] = *src++; -} - -static bool -vorbis_encoder_write(Encoder *_encoder, - const void *data, size_t length, - gcc_unused Error &error) -{ - struct vorbis_encoder *encoder = (struct vorbis_encoder *)_encoder; - - unsigned num_frames = length / encoder->audio_format.GetFrameSize(); - - /* this is for only 16-bit audio */ - - interleaved_to_vorbis_buffer(vorbis_analysis_buffer(&encoder->vd, - num_frames), - (const float *)data, - num_frames, - encoder->audio_format.channels); - - vorbis_analysis_wrote(&encoder->vd, num_frames); - vorbis_encoder_blockout(encoder); - return true; -} - -static size_t -vorbis_encoder_read(Encoder *_encoder, void *dest, size_t length) -{ - struct vorbis_encoder *encoder = (struct vorbis_encoder *)_encoder; - - return encoder->stream.PageOut(dest, length); -} - -static const char * -vorbis_encoder_get_mime_type(gcc_unused Encoder *_encoder) -{ - return "audio/ogg"; -} - -const EncoderPlugin vorbis_encoder_plugin = { - "vorbis", - vorbis_encoder_init, - vorbis_encoder_finish, - vorbis_encoder_open, - vorbis_encoder_close, - vorbis_encoder_pre_tag, - vorbis_encoder_flush, - vorbis_encoder_pre_tag, - vorbis_encoder_tag, - vorbis_encoder_write, - vorbis_encoder_read, - vorbis_encoder_get_mime_type, -}; 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