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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:28:17 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:28:17 +0000
commit7a46c07230b8d8108c0e8e80df4522d0ac116538 (patch)
treed483300dab478b994fe199a5d19d18d74153718a /src/modules/module-protocol-pulse/format.h
parentInitial commit. (diff)
downloadpipewire-upstream/0.3.65.tar.xz
pipewire-upstream/0.3.65.zip
Adding upstream version 0.3.65.upstream/0.3.65upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--src/modules/module-protocol-pulse/format.h233
1 files changed, 233 insertions, 0 deletions
diff --git a/src/modules/module-protocol-pulse/format.h b/src/modules/module-protocol-pulse/format.h
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+++ b/src/modules/module-protocol-pulse/format.h
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+/* PipeWire
+ *
+ * Copyright © 2020 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef PULSE_SERVER_FORMAT_H
+#define PULSE_SERVER_FORMAT_H
+
+#include <spa/utils/defs.h>
+#include <pipewire/properties.h>
+
+struct spa_pod;
+struct spa_pod_builder;
+
+#define RATE_MAX (48000u*8u)
+#define CHANNELS_MAX (64u)
+
+enum sample_format {
+ SAMPLE_U8,
+ SAMPLE_ALAW,
+ SAMPLE_ULAW,
+ SAMPLE_S16LE,
+ SAMPLE_S16BE,
+ SAMPLE_FLOAT32LE,
+ SAMPLE_FLOAT32BE,
+ SAMPLE_S32LE,
+ SAMPLE_S32BE,
+ SAMPLE_S24LE,
+ SAMPLE_S24BE,
+ SAMPLE_S24_32LE,
+ SAMPLE_S24_32BE,
+ SAMPLE_MAX,
+ SAMPLE_INVALID = -1
+};
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+#define SAMPLE_S16NE SAMPLE_S16BE
+#define SAMPLE_FLOAT32NE SAMPLE_FLOAT32BE
+#define SAMPLE_S32NE SAMPLE_S32BE
+#define SAMPLE_S24NE SAMPLE_S24BE
+#define SAMPLE_S24_32NE SAMPLE_S24_32BE
+#elif __BYTE_ORDER == __LITTLE_ENDIAN
+#define SAMPLE_S16NE SAMPLE_S16LE
+#define SAMPLE_FLOAT32NE SAMPLE_FLOAT32LE
+#define SAMPLE_S32NE SAMPLE_S32LE
+#define SAMPLE_S24NE SAMPLE_S24LE
+#define SAMPLE_S24_32NE SAMPLE_S24_32LE
+#endif
+
+struct format {
+ uint32_t pa;
+ uint32_t id;
+ const char *name;
+ uint32_t size;
+};
+
+struct sample_spec {
+ uint32_t format;
+ uint32_t rate;
+ uint8_t channels;
+};
+#define SAMPLE_SPEC_INIT \
+ (struct sample_spec) { \
+ .format = SPA_AUDIO_FORMAT_UNKNOWN, \
+ .rate = 0, \
+ .channels = 0, \
+ }
+
+enum channel_position {
+ CHANNEL_POSITION_INVALID = -1,
+ CHANNEL_POSITION_MONO = 0,
+ CHANNEL_POSITION_FRONT_LEFT,
+ CHANNEL_POSITION_FRONT_RIGHT,
+ CHANNEL_POSITION_FRONT_CENTER,
+
+ CHANNEL_POSITION_REAR_CENTER,
+ CHANNEL_POSITION_REAR_LEFT,
+ CHANNEL_POSITION_REAR_RIGHT,
+
+ CHANNEL_POSITION_LFE,
+ CHANNEL_POSITION_FRONT_LEFT_OF_CENTER,
+ CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER,
+
+ CHANNEL_POSITION_SIDE_LEFT,
+ CHANNEL_POSITION_SIDE_RIGHT,
+ CHANNEL_POSITION_AUX0,
+ CHANNEL_POSITION_AUX1,
+ CHANNEL_POSITION_AUX2,
+ CHANNEL_POSITION_AUX3,
+ CHANNEL_POSITION_AUX4,
+ CHANNEL_POSITION_AUX5,
+ CHANNEL_POSITION_AUX6,
+ CHANNEL_POSITION_AUX7,
+ CHANNEL_POSITION_AUX8,
+ CHANNEL_POSITION_AUX9,
+ CHANNEL_POSITION_AUX10,
+ CHANNEL_POSITION_AUX11,
+ CHANNEL_POSITION_AUX12,
+ CHANNEL_POSITION_AUX13,
+ CHANNEL_POSITION_AUX14,
+ CHANNEL_POSITION_AUX15,
+ CHANNEL_POSITION_AUX16,
+ CHANNEL_POSITION_AUX17,
+ CHANNEL_POSITION_AUX18,
+ CHANNEL_POSITION_AUX19,
+ CHANNEL_POSITION_AUX20,
+ CHANNEL_POSITION_AUX21,
+ CHANNEL_POSITION_AUX22,
+ CHANNEL_POSITION_AUX23,
+ CHANNEL_POSITION_AUX24,
+ CHANNEL_POSITION_AUX25,
+ CHANNEL_POSITION_AUX26,
+ CHANNEL_POSITION_AUX27,
+ CHANNEL_POSITION_AUX28,
+ CHANNEL_POSITION_AUX29,
+ CHANNEL_POSITION_AUX30,
+ CHANNEL_POSITION_AUX31,
+
+ CHANNEL_POSITION_TOP_CENTER,
+
+ CHANNEL_POSITION_TOP_FRONT_LEFT,
+ CHANNEL_POSITION_TOP_FRONT_RIGHT,
+ CHANNEL_POSITION_TOP_FRONT_CENTER,
+
+ CHANNEL_POSITION_TOP_REAR_LEFT,
+ CHANNEL_POSITION_TOP_REAR_RIGHT,
+ CHANNEL_POSITION_TOP_REAR_CENTER,
+
+ CHANNEL_POSITION_MAX
+};
+
+struct channel {
+ uint32_t channel;
+ const char *name;
+};
+
+struct channel_map {
+ uint8_t channels;
+ uint32_t map[CHANNELS_MAX];
+};
+
+#define CHANNEL_MAP_INIT \
+ (struct channel_map) { \
+ .channels = 0, \
+ }
+
+enum encoding {
+ ENCODING_ANY,
+ ENCODING_PCM,
+ ENCODING_AC3_IEC61937,
+ ENCODING_EAC3_IEC61937,
+ ENCODING_MPEG_IEC61937,
+ ENCODING_DTS_IEC61937,
+ ENCODING_MPEG2_AAC_IEC61937,
+ ENCODING_TRUEHD_IEC61937,
+ ENCODING_DTSHD_IEC61937,
+ ENCODING_MAX,
+ ENCODING_INVALID = -1,
+};
+
+struct format_info {
+ enum encoding encoding;
+ struct pw_properties *props;
+};
+
+uint32_t format_pa2id(enum sample_format format);
+const char *format_id2name(uint32_t format);
+uint32_t format_name2id(const char *name);
+uint32_t format_paname2id(const char *name, size_t size);
+enum sample_format format_id2pa(uint32_t id);
+const char *format_id2paname(uint32_t id);
+const char *format_encoding2name(enum encoding enc);
+uint32_t format_encoding2id(enum encoding enc);
+
+uint32_t sample_spec_frame_size(const struct sample_spec *ss);
+bool sample_spec_valid(const struct sample_spec *ss);
+
+uint32_t channel_pa2id(enum channel_position channel);
+const char *channel_id2name(uint32_t channel);
+uint32_t channel_name2id(const char *name);
+enum channel_position channel_id2pa(uint32_t id, uint32_t *aux);
+const char *channel_id2paname(uint32_t id, uint32_t *aux);
+uint32_t channel_paname2id(const char *name, size_t size);
+
+void channel_map_to_positions(const struct channel_map *map, uint32_t *pos);
+void channel_map_parse(const char *str, struct channel_map *map);
+bool channel_map_valid(const struct channel_map *map);
+
+int format_parse_param(const struct spa_pod *param, bool collect, struct sample_spec *ss,
+ struct channel_map *map, const struct sample_spec *def_ss,
+ const struct channel_map *def_map);
+
+const struct spa_pod *format_build_param(struct spa_pod_builder *b, uint32_t id,
+ const struct sample_spec *spec, const struct channel_map *map);
+
+int format_info_from_spec(struct format_info *info, const struct sample_spec *ss,
+ const struct channel_map *map);
+int format_info_from_param(struct format_info *info, struct spa_pod *param, uint32_t index);
+
+const struct spa_pod *format_info_build_param(struct spa_pod_builder *b, uint32_t id,
+ const struct format_info *info, uint32_t *rate);
+
+int format_info_from_spec(struct format_info *info, const struct sample_spec *ss,
+ const struct channel_map *map);
+int format_info_to_spec(const struct format_info *info, struct sample_spec *ss,
+ struct channel_map *map);
+
+static inline void format_info_clear(struct format_info *info)
+{
+ pw_properties_free(info->props);
+ spa_zero(*info);
+}
+
+#endif