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author | Max Kellermann <max@duempel.org> | 2013-07-28 12:37:55 +0200 |
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committer | Max Kellermann <max@duempel.org> | 2013-07-28 12:48:26 +0200 |
commit | b25d5c5d33d1d83a96fdf2dc9057f890e94dc571 (patch) | |
tree | f33c05c3ff11c983058365f6782481c8dcd7eb8e /src/decoder/audiofile_decoder_plugin.c | |
parent | 352d7f477eaf8a6a8536feb059a32a8b61ccb9ca (diff) | |
download | mpd-b25d5c5d33d1d83a96fdf2dc9057f890e94dc571.tar.gz mpd-b25d5c5d33d1d83a96fdf2dc9057f890e94dc571.tar.xz mpd-b25d5c5d33d1d83a96fdf2dc9057f890e94dc571.zip |
decoder/audiofile: convert to C++
Diffstat (limited to 'src/decoder/audiofile_decoder_plugin.c')
-rw-r--r-- | src/decoder/audiofile_decoder_plugin.c | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/src/decoder/audiofile_decoder_plugin.c b/src/decoder/audiofile_decoder_plugin.c deleted file mode 100644 index d2ceee8ae..000000000 --- a/src/decoder/audiofile_decoder_plugin.c +++ /dev/null @@ -1,258 +0,0 @@ -/* - * Copyright (C) 2003-2011 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 "decoder_api.h" -#include "audio_check.h" -#include "tag_handler.h" - -#include <audiofile.h> -#include <af_vfs.h> -#include <assert.h> -#include <glib.h> -#include <stdio.h> - -#undef G_LOG_DOMAIN -#define G_LOG_DOMAIN "audiofile" - -/* pick 1020 since its devisible for 8,16,24, and 32-bit audio */ -#define CHUNK_SIZE 1020 - -static int audiofile_get_duration(const char *file) -{ - int total_time; - AFfilehandle af_fp = afOpenFile(file, "r", NULL); - if (af_fp == AF_NULL_FILEHANDLE) { - return -1; - } - total_time = (int) - ((double)afGetFrameCount(af_fp, AF_DEFAULT_TRACK) - / afGetRate(af_fp, AF_DEFAULT_TRACK)); - afCloseFile(af_fp); - return total_time; -} - -static ssize_t -audiofile_file_read(AFvirtualfile *vfile, void *data, size_t length) -{ - struct input_stream *is = (struct input_stream *) vfile->closure; - GError *error = NULL; - size_t nbytes; - - nbytes = input_stream_lock_read(is, data, length, &error); - if (nbytes == 0 && error != NULL) { - g_warning("%s", error->message); - g_error_free(error); - return -1; - } - - return nbytes; -} - -static AFfileoffset -audiofile_file_length(AFvirtualfile *vfile) -{ - struct input_stream *is = (struct input_stream *) vfile->closure; - return input_stream_get_size(is); -} - -static AFfileoffset -audiofile_file_tell(AFvirtualfile *vfile) -{ - struct input_stream *is = (struct input_stream *) vfile->closure; - return input_stream_get_offset(is); -} - -static void -audiofile_file_destroy(AFvirtualfile *vfile) -{ - assert(vfile->closure != NULL); - - vfile->closure = NULL; -} - -static AFfileoffset -audiofile_file_seek(AFvirtualfile *vfile, AFfileoffset offset, int is_relative) -{ - struct input_stream *is = (struct input_stream *) vfile->closure; - int whence = (is_relative ? SEEK_CUR : SEEK_SET); - if (input_stream_lock_seek(is, offset, whence, NULL)) { - return input_stream_get_offset(is); - } else { - return -1; - } -} - -static AFvirtualfile * -setup_virtual_fops(struct input_stream *stream) -{ - AFvirtualfile *vf = g_malloc(sizeof(AFvirtualfile)); - vf->closure = stream; - vf->write = NULL; - vf->read = audiofile_file_read; - vf->length = audiofile_file_length; - vf->destroy = audiofile_file_destroy; - vf->seek = audiofile_file_seek; - vf->tell = audiofile_file_tell; - return vf; -} - -static enum sample_format -audiofile_bits_to_sample_format(int bits) -{ - switch (bits) { - case 8: - return SAMPLE_FORMAT_S8; - - case 16: - return SAMPLE_FORMAT_S16; - - case 24: - return SAMPLE_FORMAT_S24_P32; - - case 32: - return SAMPLE_FORMAT_S32; - } - - return SAMPLE_FORMAT_UNDEFINED; -} - -static enum sample_format -audiofile_setup_sample_format(AFfilehandle af_fp) -{ - int fs, bits; - - afGetSampleFormat(af_fp, AF_DEFAULT_TRACK, &fs, &bits); - if (!audio_valid_sample_format(audiofile_bits_to_sample_format(bits))) { - g_debug("input file has %d bit samples, converting to 16", - bits); - bits = 16; - } - - afSetVirtualSampleFormat(af_fp, AF_DEFAULT_TRACK, - AF_SAMPFMT_TWOSCOMP, bits); - afGetVirtualSampleFormat(af_fp, AF_DEFAULT_TRACK, &fs, &bits); - - return audiofile_bits_to_sample_format(bits); -} - -static void -audiofile_stream_decode(struct decoder *decoder, struct input_stream *is) -{ - GError *error = NULL; - AFvirtualfile *vf; - int fs, frame_count; - AFfilehandle af_fp; - struct audio_format audio_format; - float total_time; - uint16_t bit_rate; - int ret; - char chunk[CHUNK_SIZE]; - enum decoder_command cmd; - - if (!input_stream_is_seekable(is)) { - g_warning("not seekable"); - return; - } - - vf = setup_virtual_fops(is); - - af_fp = afOpenVirtualFile(vf, "r", NULL); - if (af_fp == AF_NULL_FILEHANDLE) { - g_warning("failed to input stream\n"); - return; - } - - if (!audio_format_init_checked(&audio_format, - afGetRate(af_fp, AF_DEFAULT_TRACK), - audiofile_setup_sample_format(af_fp), - afGetVirtualChannels(af_fp, AF_DEFAULT_TRACK), - &error)) { - g_warning("%s", error->message); - g_error_free(error); - afCloseFile(af_fp); - return; - } - - frame_count = afGetFrameCount(af_fp, AF_DEFAULT_TRACK); - - total_time = ((float)frame_count / (float)audio_format.sample_rate); - - bit_rate = (uint16_t)(input_stream_get_size(is) * 8.0 / total_time / 1000.0 + 0.5); - - fs = (int)afGetVirtualFrameSize(af_fp, AF_DEFAULT_TRACK, 1); - - decoder_initialized(decoder, &audio_format, true, total_time); - - do { - ret = afReadFrames(af_fp, AF_DEFAULT_TRACK, chunk, - CHUNK_SIZE / fs); - if (ret <= 0) - break; - - cmd = decoder_data(decoder, NULL, - chunk, ret * fs, - bit_rate); - - if (cmd == DECODE_COMMAND_SEEK) { - AFframecount frame = decoder_seek_where(decoder) * - audio_format.sample_rate; - afSeekFrame(af_fp, AF_DEFAULT_TRACK, frame); - - decoder_command_finished(decoder); - cmd = DECODE_COMMAND_NONE; - } - } while (cmd == DECODE_COMMAND_NONE); - - afCloseFile(af_fp); -} - -static bool -audiofile_scan_file(const char *file, - const struct tag_handler *handler, void *handler_ctx) -{ - int total_time = audiofile_get_duration(file); - - if (total_time < 0) { - g_debug("Failed to get total song time from: %s\n", - file); - return false; - } - - tag_handler_invoke_duration(handler, handler_ctx, total_time); - return true; -} - -static const char *const audiofile_suffixes[] = { - "wav", "au", "aiff", "aif", NULL -}; - -static const char *const audiofile_mime_types[] = { - "audio/x-wav", - "audio/x-aiff", - NULL -}; - -const struct decoder_plugin audiofile_decoder_plugin = { - .name = "audiofile", - .stream_decode = audiofile_stream_decode, - .scan_file = audiofile_scan_file, - .suffixes = audiofile_suffixes, - .mime_types = audiofile_mime_types, -}; |