diff options
Diffstat (limited to 'src/filter/autoconvert_filter_plugin.c')
| -rw-r--r-- | src/filter/autoconvert_filter_plugin.c | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/src/filter/autoconvert_filter_plugin.c b/src/filter/autoconvert_filter_plugin.c deleted file mode 100644 index 3826a0fb..00000000 --- a/src/filter/autoconvert_filter_plugin.c +++ /dev/null @@ -1,169 +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 "filter/autoconvert_filter_plugin.h" -#include "filter/convert_filter_plugin.h" -#include "filter_plugin.h" -#include "filter_internal.h" -#include "filter_registry.h" -#include "conf.h" -#include "pcm_convert.h" -#include "audio_format.h" -#include "poison.h" - -#include <assert.h> -#include <string.h> - -struct autoconvert_filter { - struct filter base; - - /** - * The audio format being fed to the underlying filter. This - * plugin actually doesn't need this variable, we have it here - * just so our open() method doesn't return a stack pointer. - */ - struct audio_format in_audio_format; - - /** - * The underlying filter. - */ - struct filter *filter; - - /** - * A convert_filter, just in case conversion is needed. NULL - * if unused. - */ - struct filter *convert; -}; - -static void -autoconvert_filter_finish(struct filter *_filter) -{ - struct autoconvert_filter *filter = - (struct autoconvert_filter *)_filter; - - filter_free(filter->filter); - g_free(filter); -} - -static const struct audio_format * -autoconvert_filter_open(struct filter *_filter, - struct audio_format *in_audio_format, - GError **error_r) -{ - struct autoconvert_filter *filter = - (struct autoconvert_filter *)_filter; - const struct audio_format *out_audio_format; - - assert(audio_format_valid(in_audio_format)); - - /* open the "real" filter */ - - filter->in_audio_format = *in_audio_format; - - out_audio_format = filter_open(filter->filter, - &filter->in_audio_format, error_r); - if (out_audio_format == NULL) - return NULL; - - /* need to convert? */ - - if (!audio_format_equals(&filter->in_audio_format, in_audio_format)) { - /* yes - create a convert_filter */ - struct audio_format audio_format2 = *in_audio_format; - const struct audio_format *audio_format3; - - filter->convert = filter_new(&convert_filter_plugin, NULL, - error_r); - if (filter->convert == NULL) { - filter_close(filter->filter); - return NULL; - } - - audio_format3 = filter_open(filter->convert, &audio_format2, - error_r); - if (audio_format3 == NULL) { - filter_free(filter->convert); - filter_close(filter->filter); - return NULL; - } - - assert(audio_format_equals(&audio_format2, in_audio_format)); - - convert_filter_set(filter->convert, &filter->in_audio_format); - } else - /* no */ - filter->convert = NULL; - - return out_audio_format; -} - -static void -autoconvert_filter_close(struct filter *_filter) -{ - struct autoconvert_filter *filter = - (struct autoconvert_filter *)_filter; - - if (filter->convert != NULL) { - filter_close(filter->convert); - filter_free(filter->convert); - } - - filter_close(filter->filter); -} - -static const void * -autoconvert_filter_filter(struct filter *_filter, const void *src, - size_t src_size, size_t *dest_size_r, - GError **error_r) -{ - struct autoconvert_filter *filter = - (struct autoconvert_filter *)_filter; - - if (filter->convert != NULL) { - src = filter_filter(filter->convert, src, src_size, &src_size, - error_r); - if (src == NULL) - return NULL; - } - - return filter_filter(filter->filter, src, src_size, dest_size_r, - error_r); -} - -static const struct filter_plugin autoconvert_filter_plugin = { - .name = "convert", - .finish = autoconvert_filter_finish, - .open = autoconvert_filter_open, - .close = autoconvert_filter_close, - .filter = autoconvert_filter_filter, -}; - -struct filter * -autoconvert_filter_new(struct filter *_filter) -{ - struct autoconvert_filter *filter = - g_new(struct autoconvert_filter, 1); - - filter_init(&filter->base, &autoconvert_filter_plugin); - filter->filter = _filter; - - return &filter->base; -} |