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authorMax Kellermann <max@duempel.org>2014-01-24 00:02:24 +0100
committerMax Kellermann <max@duempel.org>2014-01-24 00:02:24 +0100
commit51adaf2c47761e3f2095a52a7037cd8458b77990 (patch)
tree46d78d52708a1f75460908187a239cc5c60d1858 /src/decoder/VorbisDecoderPlugin.cxx
parentea5b901bcce20949a8d1fd622a7b03ff6f56ae20 (diff)
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decoder/*: move to decoder/plugins/
Diffstat (limited to 'src/decoder/VorbisDecoderPlugin.cxx')
-rw-r--r--src/decoder/VorbisDecoderPlugin.cxx349
1 files changed, 0 insertions, 349 deletions
diff --git a/src/decoder/VorbisDecoderPlugin.cxx b/src/decoder/VorbisDecoderPlugin.cxx
deleted file mode 100644
index c69ad4386..000000000
--- a/src/decoder/VorbisDecoderPlugin.cxx
+++ /dev/null
@@ -1,349 +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 "VorbisDecoderPlugin.h"
-#include "VorbisComments.hxx"
-#include "VorbisDomain.hxx"
-#include "DecoderAPI.hxx"
-#include "InputStream.hxx"
-#include "OggCodec.hxx"
-#include "util/Error.hxx"
-#include "util/Macros.hxx"
-#include "CheckAudioFormat.hxx"
-#include "tag/TagHandler.hxx"
-#include "Log.hxx"
-
-#ifndef HAVE_TREMOR
-#define OV_EXCLUDE_STATIC_CALLBACKS
-#include <vorbis/vorbisfile.h>
-#else
-#include <tremor/ivorbisfile.h>
-/* Macros to make Tremor's API look like libogg. Tremor always
- returns host-byte-order 16-bit signed data, and uses integer
- milliseconds where libogg uses double seconds.
-*/
-#define ov_read(VF, BUFFER, LENGTH, BIGENDIANP, WORD, SGNED, BITSTREAM) \
- ov_read(VF, BUFFER, LENGTH, BITSTREAM)
-#define ov_time_total(VF, I) ((double)ov_time_total(VF, I)/1000)
-#define ov_time_tell(VF) ((double)ov_time_tell(VF)/1000)
-#define ov_time_seek_page(VF, S) (ov_time_seek_page(VF, (S)*1000))
-#endif /* HAVE_TREMOR */
-
-#include <errno.h>
-
-struct vorbis_input_stream {
- Decoder *decoder;
-
- InputStream *input_stream;
- bool seekable;
-};
-
-static size_t ogg_read_cb(void *ptr, size_t size, size_t nmemb, void *data)
-{
- struct vorbis_input_stream *vis = (struct vorbis_input_stream *)data;
- size_t ret = decoder_read(vis->decoder, *vis->input_stream,
- ptr, size * nmemb);
-
- errno = 0;
-
- return ret / size;
-}
-
-static int ogg_seek_cb(void *data, ogg_int64_t offset, int whence)
-{
- struct vorbis_input_stream *vis = (struct vorbis_input_stream *)data;
-
- Error error;
- return vis->seekable &&
- (vis->decoder == nullptr ||
- decoder_get_command(*vis->decoder) != DecoderCommand::STOP) &&
- vis->input_stream->LockSeek(offset, whence, error)
- ? 0 : -1;
-}
-
-/* TODO: check Ogg libraries API and see if we can just not have this func */
-static int ogg_close_cb(gcc_unused void *data)
-{
- return 0;
-}
-
-static long ogg_tell_cb(void *data)
-{
- struct vorbis_input_stream *vis = (struct vorbis_input_stream *)data;
-
- return (long)vis->input_stream->offset;
-}
-
-static const ov_callbacks vorbis_is_callbacks = {
- ogg_read_cb,
- ogg_seek_cb,
- ogg_close_cb,
- ogg_tell_cb,
-};
-
-static const char *
-vorbis_strerror(int code)
-{
- switch (code) {
- case OV_EREAD:
- return "read error";
-
- case OV_ENOTVORBIS:
- return "not vorbis stream";
-
- case OV_EVERSION:
- return "vorbis version mismatch";
-
- case OV_EBADHEADER:
- return "invalid vorbis header";
-
- case OV_EFAULT:
- return "internal logic error";
-
- default:
- return "unknown error";
- }
-}
-
-static bool
-vorbis_is_open(struct vorbis_input_stream *vis, OggVorbis_File *vf,
- Decoder *decoder, InputStream &input_stream)
-{
- vis->decoder = decoder;
- vis->input_stream = &input_stream;
- vis->seekable = input_stream.CheapSeeking();
-
- int ret = ov_open_callbacks(vis, vf, nullptr, 0, vorbis_is_callbacks);
- if (ret < 0) {
- if (decoder == nullptr ||
- decoder_get_command(*decoder) == DecoderCommand::NONE)
- FormatWarning(vorbis_domain,
- "Failed to open Ogg Vorbis stream: %s",
- vorbis_strerror(ret));
- return false;
- }
-
- return true;
-}
-
-static void
-vorbis_send_comments(Decoder &decoder, InputStream &is,
- char **comments)
-{
- Tag *tag = vorbis_comments_to_tag(comments);
- if (!tag)
- return;
-
- decoder_tag(decoder, is, std::move(*tag));
- delete tag;
-}
-
-#ifndef HAVE_TREMOR
-static void
-vorbis_interleave(float *dest, const float *const*src,
- unsigned nframes, unsigned channels)
-{
- for (const float *const*src_end = src + channels;
- src != src_end; ++src, ++dest) {
- float *d = dest;
- for (const float *s = *src, *s_end = s + nframes;
- s != s_end; ++s, d += channels)
- *d = *s;
- }
-}
-#endif
-
-/* public */
-static void
-vorbis_stream_decode(Decoder &decoder,
- InputStream &input_stream)
-{
- if (ogg_codec_detect(&decoder, input_stream) != OGG_CODEC_VORBIS)
- return;
-
- /* rewind the stream, because ogg_codec_detect() has
- moved it */
- input_stream.LockRewind(IgnoreError());
-
- struct vorbis_input_stream vis;
- OggVorbis_File vf;
- if (!vorbis_is_open(&vis, &vf, &decoder, input_stream))
- return;
-
- const vorbis_info *vi = ov_info(&vf, -1);
- if (vi == nullptr) {
- LogWarning(vorbis_domain, "ov_info() has failed");
- return;
- }
-
- Error error;
- AudioFormat audio_format;
- if (!audio_format_init_checked(audio_format, vi->rate,
-#ifdef HAVE_TREMOR
- SampleFormat::S16,
-#else
- SampleFormat::FLOAT,
-#endif
- vi->channels, error)) {
- LogError(error);
- return;
- }
-
- float total_time = ov_time_total(&vf, -1);
- if (total_time < 0)
- total_time = 0;
-
- decoder_initialized(decoder, audio_format, vis.seekable, total_time);
-
-#ifdef HAVE_TREMOR
- char buffer[4096];
-#else
- float buffer[2048];
- const int frames_per_buffer =
- ARRAY_SIZE(buffer) / audio_format.channels;
- const unsigned frame_size = sizeof(buffer[0]) * audio_format.channels;
-#endif
-
- int prev_section = -1;
- unsigned kbit_rate = 0;
-
- DecoderCommand cmd = decoder_get_command(decoder);
- do {
- if (cmd == DecoderCommand::SEEK) {
- double seek_where = decoder_seek_where(decoder);
- if (0 == ov_time_seek_page(&vf, seek_where)) {
- decoder_command_finished(decoder);
- } else
- decoder_seek_error(decoder);
- }
-
- int current_section;
-
-#ifdef HAVE_TREMOR
- long nbytes = ov_read(&vf, buffer, sizeof(buffer),
- IsBigEndian(), 2, 1,
- &current_section);
-#else
- float **per_channel;
- long nframes = ov_read_float(&vf, &per_channel,
- frames_per_buffer,
- &current_section);
- long nbytes = nframes;
- if (nframes > 0) {
- vorbis_interleave(buffer,
- (const float*const*)per_channel,
- nframes, audio_format.channels);
- nbytes *= frame_size;
- }
-#endif
-
- if (nbytes == OV_HOLE) /* bad packet */
- nbytes = 0;
- else if (nbytes <= 0)
- /* break on EOF or other error */
- break;
-
- if (current_section != prev_section) {
- vi = ov_info(&vf, -1);
- if (vi == nullptr) {
- LogWarning(vorbis_domain,
- "ov_info() has failed");
- break;
- }
-
- if (vi->rate != (long)audio_format.sample_rate ||
- vi->channels != (int)audio_format.channels) {
- /* we don't support audio format
- change yet */
- LogWarning(vorbis_domain,
- "audio format change, stopping here");
- break;
- }
-
- char **comments = ov_comment(&vf, -1)->user_comments;
- vorbis_send_comments(decoder, input_stream, comments);
-
- ReplayGainInfo rgi;
- if (vorbis_comments_to_replay_gain(rgi, comments))
- decoder_replay_gain(decoder, &rgi);
-
- prev_section = current_section;
- }
-
- long test = ov_bitrate_instant(&vf);
- if (test > 0)
- kbit_rate = test / 1000;
-
- cmd = decoder_data(decoder, input_stream,
- buffer, nbytes,
- kbit_rate);
- } while (cmd != DecoderCommand::STOP);
-
- ov_clear(&vf);
-}
-
-static bool
-vorbis_scan_stream(InputStream &is,
- const struct tag_handler *handler, void *handler_ctx)
-{
- struct vorbis_input_stream vis;
- OggVorbis_File vf;
-
- if (!vorbis_is_open(&vis, &vf, nullptr, is))
- return false;
-
- tag_handler_invoke_duration(handler, handler_ctx,
- (int)(ov_time_total(&vf, -1) + 0.5));
-
- vorbis_comments_scan(ov_comment(&vf, -1)->user_comments,
- handler, handler_ctx);
-
- ov_clear(&vf);
- return true;
-}
-
-static const char *const vorbis_suffixes[] = {
- "ogg", "oga", nullptr
-};
-
-static const char *const vorbis_mime_types[] = {
- "application/ogg",
- "application/x-ogg",
- "audio/ogg",
- "audio/vorbis",
- "audio/vorbis+ogg",
- "audio/x-ogg",
- "audio/x-vorbis",
- "audio/x-vorbis+ogg",
- nullptr
-};
-
-const struct DecoderPlugin vorbis_decoder_plugin = {
- "vorbis",
- nullptr,
- nullptr,
- vorbis_stream_decode,
- nullptr,
- nullptr,
- vorbis_scan_stream,
- nullptr,
- vorbis_suffixes,
- vorbis_mime_types
-};