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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-avb/stream.h
parentInitial commit. (diff)
downloadpipewire-7a46c07230b8d8108c0e8e80df4522d0ac116538.tar.xz
pipewire-7a46c07230b8d8108c0e8e80df4522d0ac116538.zip
Adding upstream version 0.3.65.upstream/0.3.65upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/modules/module-avb/stream.h')
-rw-r--r--src/modules/module-avb/stream.h104
1 files changed, 104 insertions, 0 deletions
diff --git a/src/modules/module-avb/stream.h b/src/modules/module-avb/stream.h
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+/* AVB support
+ *
+ * Copyright © 2022 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 AVB_STREAM_H
+#define AVB_STREAM_H
+
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <linux/if_packet.h>
+#include <net/if.h>
+
+#include <spa/utils/ringbuffer.h>
+#include <spa/param/audio/format.h>
+
+#include <pipewire/pipewire.h>
+
+#define BUFFER_SIZE (1u<<16)
+#define BUFFER_MASK (BUFFER_SIZE-1)
+
+struct stream {
+ struct spa_list link;
+
+ struct server *server;
+
+ uint16_t direction;
+ uint16_t index;
+ const struct descriptor *desc;
+ uint64_t id;
+ uint64_t peer_id;
+
+ struct pw_stream *stream;
+ struct spa_hook stream_listener;
+
+ uint8_t addr[6];
+ struct spa_source *source;
+ int prio;
+ int vlan_id;
+ int mtt;
+ int t_uncertainty;
+ uint32_t frames_per_pdu;
+ int ptime_tolerance;
+
+ uint8_t pdu[2048];
+ size_t hdr_size;
+ size_t payload_size;
+ size_t pdu_size;
+ int64_t pdu_period;
+ uint8_t pdu_seq;
+ uint8_t prev_seq;
+ uint8_t dbc;
+
+ struct iovec iov[3];
+ struct sockaddr_ll sock_addr;
+ struct msghdr msg;
+ char control[CMSG_SPACE(sizeof(uint64_t))];
+ struct cmsghdr *cmsg;
+
+ struct spa_ringbuffer ring;
+ void *buffer_data;
+ size_t buffer_size;
+
+ uint64_t format;
+ uint32_t stride;
+ struct spa_audio_info info;
+
+ struct avb_msrp_attribute *talker_attr;
+ struct avb_msrp_attribute *listener_attr;
+ struct avb_mvrp_attribute *vlan_attr;
+};
+
+#include "msrp.h"
+#include "mvrp.h"
+#include "maap.h"
+
+struct stream *server_create_stream(struct server *server,
+ enum spa_direction direction, uint16_t index);
+
+void stream_destroy(struct stream *stream);
+
+int stream_activate(struct stream *stream, uint64_t now);
+int stream_deactivate(struct stream *stream, uint64_t now);
+
+#endif /* AVB_STREAM_H */