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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/pipewire/spa/param/latency-utils.h
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/pipewire/spa/param/latency-utils.h')
-rw-r--r--third_party/pipewire/spa/param/latency-utils.h197
1 files changed, 197 insertions, 0 deletions
diff --git a/third_party/pipewire/spa/param/latency-utils.h b/third_party/pipewire/spa/param/latency-utils.h
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+/* Simple Plugin API
+ *
+ * Copyright © 2021 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 SPA_PARAM_LATENCY_UTILS_H
+#define SPA_PARAM_LATENCY_UTILS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \addtogroup spa_param
+ * \{
+ */
+
+#include <float.h>
+
+#include <spa/pod/builder.h>
+#include <spa/pod/parser.h>
+#include <spa/param/param.h>
+
+struct spa_latency_info {
+ enum spa_direction direction;
+ float min_quantum;
+ float max_quantum;
+ uint32_t min_rate;
+ uint32_t max_rate;
+ uint64_t min_ns;
+ uint64_t max_ns;
+};
+
+#define SPA_LATENCY_INFO(dir,...) (struct spa_latency_info) { .direction = (dir), ## __VA_ARGS__ }
+
+static inline int
+spa_latency_info_compare(const struct spa_latency_info *a, struct spa_latency_info *b)
+{
+ if (a->min_quantum == b->min_quantum &&
+ a->max_quantum == b->max_quantum &&
+ a->min_rate == b->min_rate &&
+ a->max_rate == b->max_rate &&
+ a->min_ns == b->min_ns &&
+ a->max_ns == b->max_ns)
+ return 0;
+ return 1;
+}
+
+static inline void
+spa_latency_info_combine_start(struct spa_latency_info *info, enum spa_direction direction)
+{
+ *info = SPA_LATENCY_INFO(direction,
+ .min_quantum = FLT_MAX,
+ .max_quantum = 0.0f,
+ .min_rate = UINT32_MAX,
+ .max_rate = 0,
+ .min_ns = UINT64_MAX,
+ .max_ns = 0);
+}
+static inline void
+spa_latency_info_combine_finish(struct spa_latency_info *info)
+{
+ if (info->min_quantum == FLT_MAX)
+ info->min_quantum = 0;
+ if (info->min_rate == UINT32_MAX)
+ info->min_rate = 0;
+ if (info->min_ns == UINT64_MAX)
+ info->min_ns = 0;
+}
+
+static inline int
+spa_latency_info_combine(struct spa_latency_info *info, const struct spa_latency_info *other)
+{
+ if (info->direction != other->direction)
+ return -EINVAL;
+ if (other->min_quantum < info->min_quantum)
+ info->min_quantum = other->min_quantum;
+ if (other->max_quantum > info->max_quantum)
+ info->max_quantum = other->max_quantum;
+ if (other->min_rate < info->min_rate)
+ info->min_rate = other->min_rate;
+ if (other->max_rate > info->max_rate)
+ info->max_rate = other->max_rate;
+ if (other->min_ns < info->min_ns)
+ info->min_ns = other->min_ns;
+ if (other->max_ns > info->max_ns)
+ info->max_ns = other->max_ns;
+ return 0;
+}
+
+static inline int
+spa_latency_parse(const struct spa_pod *latency, struct spa_latency_info *info)
+{
+ int res;
+ spa_zero(*info);
+ if ((res = spa_pod_parse_object(latency,
+ SPA_TYPE_OBJECT_ParamLatency, NULL,
+ SPA_PARAM_LATENCY_direction, SPA_POD_Id(&info->direction),
+ SPA_PARAM_LATENCY_minQuantum, SPA_POD_OPT_Float(&info->min_quantum),
+ SPA_PARAM_LATENCY_maxQuantum, SPA_POD_OPT_Float(&info->max_quantum),
+ SPA_PARAM_LATENCY_minRate, SPA_POD_OPT_Int(&info->min_rate),
+ SPA_PARAM_LATENCY_maxRate, SPA_POD_OPT_Int(&info->max_rate),
+ SPA_PARAM_LATENCY_minNs, SPA_POD_OPT_Long(&info->min_ns),
+ SPA_PARAM_LATENCY_maxNs, SPA_POD_OPT_Long(&info->max_ns))) < 0)
+ return res;
+ info->direction = (enum spa_direction)(info->direction & 1);
+ return 0;
+}
+
+static inline struct spa_pod *
+spa_latency_build(struct spa_pod_builder *builder, uint32_t id, const struct spa_latency_info *info)
+{
+ return (struct spa_pod *)spa_pod_builder_add_object(builder,
+ SPA_TYPE_OBJECT_ParamLatency, id,
+ SPA_PARAM_LATENCY_direction, SPA_POD_Id(info->direction),
+ SPA_PARAM_LATENCY_minQuantum, SPA_POD_Float(info->min_quantum),
+ SPA_PARAM_LATENCY_maxQuantum, SPA_POD_Float(info->max_quantum),
+ SPA_PARAM_LATENCY_minRate, SPA_POD_Int(info->min_rate),
+ SPA_PARAM_LATENCY_maxRate, SPA_POD_Int(info->max_rate),
+ SPA_PARAM_LATENCY_minNs, SPA_POD_Long(info->min_ns),
+ SPA_PARAM_LATENCY_maxNs, SPA_POD_Long(info->max_ns));
+}
+
+struct spa_process_latency_info {
+ float quantum;
+ uint32_t rate;
+ uint64_t ns;
+};
+
+#define SPA_PROCESS_LATENCY_INFO_INIT(...) (struct spa_process_latency_info) { __VA_ARGS__ }
+
+static inline int
+spa_process_latency_parse(const struct spa_pod *latency, struct spa_process_latency_info *info)
+{
+ int res;
+ spa_zero(*info);
+ if ((res = spa_pod_parse_object(latency,
+ SPA_TYPE_OBJECT_ParamProcessLatency, NULL,
+ SPA_PARAM_PROCESS_LATENCY_quantum, SPA_POD_OPT_Float(&info->quantum),
+ SPA_PARAM_PROCESS_LATENCY_rate, SPA_POD_OPT_Int(&info->rate),
+ SPA_PARAM_PROCESS_LATENCY_ns, SPA_POD_OPT_Long(&info->ns))) < 0)
+ return res;
+ return 0;
+}
+
+static inline struct spa_pod *
+spa_process_latency_build(struct spa_pod_builder *builder, uint32_t id,
+ const struct spa_process_latency_info *info)
+{
+ return (struct spa_pod *)spa_pod_builder_add_object(builder,
+ SPA_TYPE_OBJECT_ParamProcessLatency, id,
+ SPA_PARAM_PROCESS_LATENCY_quantum, SPA_POD_Float(info->quantum),
+ SPA_PARAM_PROCESS_LATENCY_rate, SPA_POD_Int(info->rate),
+ SPA_PARAM_PROCESS_LATENCY_ns, SPA_POD_Long(info->ns));
+}
+
+static inline int
+spa_process_latency_info_add(const struct spa_process_latency_info *process,
+ struct spa_latency_info *info)
+{
+ info->min_quantum += process->quantum;
+ info->max_quantum += process->quantum;
+ info->min_rate += process->rate;
+ info->max_rate += process->rate;
+ info->min_ns += process->ns;
+ info->max_ns += process->ns;
+ return 0;
+}
+
+/**
+ * \}
+ */
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* SPA_PARAM_LATENCY_UTILS_H */