mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-15 07:00:05 -05:00
spa: add mp3 type
This commit is contained in:
Wim Taymans
Wim Taymans
parent
9e0a7c26f7
commit
844a3d8534
6 changed files with 198 additions and 0 deletions
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@ -38,6 +38,7 @@ extern "C" {
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#include <spa/param/audio/dsp-utils.h>
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#include <spa/param/audio/iec958-utils.h>
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#include <spa/param/audio/dsd-utils.h>
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#include <spa/param/audio/mp3-utils.h>
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/**
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@ -65,6 +66,8 @@ spa_format_audio_parse(const struct spa_pod *format, struct spa_audio_info *info
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return spa_format_audio_iec958_parse(format, &info->info.iec958);
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case SPA_MEDIA_SUBTYPE_dsd:
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return spa_format_audio_dsd_parse(format, &info->info.dsd);
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case SPA_MEDIA_SUBTYPE_mp3:
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return spa_format_audio_mp3_parse(format, &info->info.mp3);
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}
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return -ENOTSUP;
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}
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@ -81,6 +84,8 @@ spa_format_audio_build(struct spa_pod_builder *builder, uint32_t id, struct spa_
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return spa_format_audio_iec958_build(builder, id, &info->info.iec958);
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case SPA_MEDIA_SUBTYPE_dsd:
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return spa_format_audio_dsd_build(builder, id, &info->info.dsd);
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case SPA_MEDIA_SUBTYPE_mp3:
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return spa_format_audio_mp3_build(builder, id, &info->info.mp3);
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}
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errno = ENOTSUP;
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return NULL;
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@ -39,6 +39,7 @@ extern "C" {
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#include <spa/param/audio/dsp.h>
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#include <spa/param/audio/iec958.h>
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#include <spa/param/audio/dsd.h>
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#include <spa/param/audio/mp3.h>
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struct spa_audio_info {
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uint32_t media_type;
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@ -48,6 +49,7 @@ struct spa_audio_info {
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struct spa_audio_info_dsp dsp;
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struct spa_audio_info_iec958 iec958;
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struct spa_audio_info_dsd dsd;
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struct spa_audio_info_mp3 mp3;
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} info;
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};
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54
spa/include/spa/param/audio/mp3-types.h
Normal file
54
spa/include/spa/param/audio/mp3-types.h
Normal file
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@ -0,0 +1,54 @@
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/* Simple Plugin API
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*
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* Copyright © 2018 Wim Taymans
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef SPA_AUDIO_MP3_TYPES_H
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#define SPA_AUDIO_MP3_TYPES_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <spa/utils/type.h>
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#include <spa/param/audio/mp3.h>
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#define SPA_TYPE_INFO_AudioMP3ChannelMode SPA_TYPE_INFO_ENUM_BASE "AudioMP3ChannelMode"
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#define SPA_TYPE_INFO_AUDIO_MP3_CHANNEL_MODE_BASE SPA_TYPE_INFO_AudioMP3ChannelMode ":"
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static const struct spa_type_info spa_type_audio_mp3_channel_mode[] = {
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{ SPA_AUDIO_MP3_CHANNEL_MODE_UNKNOWN, SPA_TYPE_Int, SPA_TYPE_INFO_AUDIO_MP3_CHANNEL_MODE_BASE "UNKNOWN", NULL },
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{ SPA_AUDIO_MP3_CHANNEL_MODE_MONO, SPA_TYPE_Int, SPA_TYPE_INFO_AUDIO_MP3_CHANNEL_MODE_BASE "Mono", NULL },
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{ SPA_AUDIO_MP3_CHANNEL_MODE_STEREO, SPA_TYPE_Int, SPA_TYPE_INFO_AUDIO_MP3_CHANNEL_MODE_BASE "Stereo", NULL },
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{ SPA_AUDIO_MP3_CHANNEL_MODE_JOINTSTEREO, SPA_TYPE_Int, SPA_TYPE_INFO_AUDIO_MP3_CHANNEL_MODE_BASE "Joint-stereo", NULL },
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{ SPA_AUDIO_MP3_CHANNEL_MODE_DUAL, SPA_TYPE_Int, SPA_TYPE_INFO_AUDIO_MP3_CHANNEL_MODE_BASE "Dual", NULL },
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{ 0, 0, NULL, NULL },
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};
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/**
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* \}
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*/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* SPA_AUDIO_MP3_TYPES_H */
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79
spa/include/spa/param/audio/mp3-utils.h
Normal file
79
spa/include/spa/param/audio/mp3-utils.h
Normal file
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@ -0,0 +1,79 @@
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/* Simple Plugin API
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*
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* Copyright © 2023 Wim Taymans
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef SPA_AUDIO_MP3_UTILS_H
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#define SPA_AUDIO_MP3_UTILS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \addtogroup spa_param
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* \{
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*/
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#include <spa/pod/parser.h>
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#include <spa/pod/builder.h>
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#include <spa/param/audio/format.h>
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#include <spa/param/format-utils.h>
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static inline int
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spa_format_audio_mp3_parse(const struct spa_pod *format, struct spa_audio_info_mp3 *info)
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{
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int res;
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res = spa_pod_parse_object(format,
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SPA_TYPE_OBJECT_Format, NULL,
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SPA_FORMAT_AUDIO_rate, SPA_POD_OPT_Int(&info->rate),
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SPA_FORMAT_AUDIO_channels, SPA_POD_OPT_Int(&info->channels));
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return res;
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}
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static inline struct spa_pod *
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spa_format_audio_mp3_build(struct spa_pod_builder *builder, uint32_t id, struct spa_audio_info_mp3 *info)
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{
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struct spa_pod_frame f;
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spa_pod_builder_push_object(builder, &f, SPA_TYPE_OBJECT_Format, id);
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spa_pod_builder_add(builder,
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SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_audio),
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SPA_FORMAT_mediaSubtype, SPA_POD_Id(SPA_MEDIA_SUBTYPE_mp3),
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0);
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if (info->rate != 0)
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spa_pod_builder_add(builder,
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SPA_FORMAT_AUDIO_rate, SPA_POD_Int(info->rate), 0);
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if (info->channels != 0)
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spa_pod_builder_add(builder,
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SPA_FORMAT_AUDIO_channels, SPA_POD_Int(info->channels), 0);
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return (struct spa_pod*)spa_pod_builder_pop(builder, &f);
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}
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/**
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* \}
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*/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* SPA_AUDIO_MP3_UTILS_H */
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57
spa/include/spa/param/audio/mp3.h
Normal file
57
spa/include/spa/param/audio/mp3.h
Normal file
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@ -0,0 +1,57 @@
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/* Simple Plugin API
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*
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* Copyright © 2023 Wim Taymans
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef SPA_AUDIO_MP3_H
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#define SPA_AUDIO_MP3_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <spa/param/audio/raw.h>
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enum spa_audio_mp3_channel_mode {
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SPA_AUDIO_MP3_CHANNEL_MODE_UNKNOWN,
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SPA_AUDIO_MP3_CHANNEL_MODE_MONO,
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SPA_AUDIO_MP3_CHANNEL_MODE_STEREO,
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SPA_AUDIO_MP3_CHANNEL_MODE_JOINTSTEREO,
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SPA_AUDIO_MP3_CHANNEL_MODE_DUAL,
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};
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struct spa_audio_info_mp3 {
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uint32_t rate; /*< sample rate */
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uint32_t channels; /*< number of channels */
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};
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#define SPA_AUDIO_INFO_MP3_INIT(...) ((struct spa_audio_info_mp3) { __VA_ARGS__ })
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/**
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* \}
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*/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* SPA_AUDIO_MP3_H */
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@ -27,5 +27,6 @@
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#include <spa/param/audio/raw-types.h>
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#include <spa/param/audio/iec958-types.h>
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#include <spa/param/audio/mp3-types.h>
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#endif /* SPA_AUDIO_TYPES_H */
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