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GStreamer uses _SC_NPROCESSORS_CONF to determine 'max-threads'. On the Steam Deck, this is configured to be 16 (which is double its number of logical cores). _SC_NPROCESSORS_CONF also disregards a process's CPU affinity, thus it can create more threads than is useful, which ultimately wastes memory resources. Using thread_count to set 'max-threads' addresses both these problems.
108 lines
4.2 KiB
C
108 lines
4.2 KiB
C
/*
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* winegstreamer Unix library interface
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*
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* Copyright 2020-2021 Zebediah Figura for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef __WINE_WINEGSTREAMER_UNIX_PRIVATE_H
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#define __WINE_WINEGSTREAMER_UNIX_PRIVATE_H
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#include "unixlib.h"
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#include <stdbool.h>
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#include <gst/gst.h>
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#include <gst/audio/audio.h>
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/* unixlib.c */
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GST_DEBUG_CATEGORY_EXTERN(wine);
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#define GST_CAT_DEFAULT wine
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extern NTSTATUS wg_init_gstreamer(void *args);
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extern GstStreamType stream_type_from_caps(GstCaps *caps);
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extern GstElement *create_element(const char *name, const char *plugin_set);
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GstElement *factory_create_element(GstElementFactory *factory);
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extern GList *find_element_factories(GstElementFactoryListType type, GstRank min_rank,
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GstCaps *element_sink_caps, GstCaps *element_src_caps);
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extern GstElement *find_element(GstElementFactoryListType type,
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GstCaps *element_sink_caps, GstCaps *element_src_caps);
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extern bool append_element(GstElement *container, GstElement *element, GstElement **first, GstElement **last);
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extern bool link_src_to_sink(GstPad *src_pad, GstPad *sink_pad);
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extern bool link_src_to_element(GstPad *src_pad, GstElement *element);
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extern bool link_element_to_sink(GstElement *element, GstPad *sink_pad);
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extern bool push_event(GstPad *pad, GstEvent *event);
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extern void set_max_threads(GstElement *element);
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/* wg_format.c */
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extern void wg_format_from_caps(struct wg_format *format, const GstCaps *caps);
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extern bool wg_format_compare(const struct wg_format *a, const struct wg_format *b);
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extern GstCaps *wg_format_to_caps(const struct wg_format *format);
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extern uint32_t wg_channel_mask_from_gst(const GstAudioInfo *info);
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/* wg_transform.c */
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extern NTSTATUS wg_transform_create(void *args);
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extern NTSTATUS wg_transform_destroy(void *args);
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extern NTSTATUS wg_transform_get_output_type(void *args);
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extern NTSTATUS wg_transform_set_output_type(void *args);
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extern NTSTATUS wg_transform_push_data(void *args);
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extern NTSTATUS wg_transform_read_data(void *args);
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extern NTSTATUS wg_transform_get_status(void *args);
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extern NTSTATUS wg_transform_drain(void *args);
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extern NTSTATUS wg_transform_flush(void *args);
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extern NTSTATUS wg_transform_notify_qos(void *args);
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/* wg_media_type.c */
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static inline BOOL is_mf_video_area_empty(const MFVideoArea *area)
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{
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return !area->OffsetX.value && !area->OffsetY.value && !area->Area.cx && !area->Area.cy;
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}
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extern GstCaps *caps_from_media_type(const struct wg_media_type *media_type);
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extern NTSTATUS caps_to_media_type(GstCaps *caps, struct wg_media_type *media_type,
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UINT32 video_plane_align);
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/* wg_muxer.c */
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extern NTSTATUS wg_muxer_create(void *args);
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extern NTSTATUS wg_muxer_destroy(void *args);
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extern NTSTATUS wg_muxer_add_stream(void *args);
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extern NTSTATUS wg_muxer_start(void *args);
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extern NTSTATUS wg_muxer_push_sample(void *args);
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extern NTSTATUS wg_muxer_read_data(void *args);
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extern NTSTATUS wg_muxer_finalize(void *args);
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/* wg_allocator.c */
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static inline BYTE *wg_sample_data(struct wg_sample *sample)
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{
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return (BYTE *)(UINT_PTR)sample->data;
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}
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/* wg_allocator_release_sample can be used to release any sample that was requested. */
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typedef struct wg_sample *(*wg_allocator_request_sample_cb)(gsize size, void *context);
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extern GstAllocator *wg_allocator_create(void);
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extern void wg_allocator_destroy(GstAllocator *allocator);
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extern void wg_allocator_provide_sample(GstAllocator *allocator, struct wg_sample *sample);
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extern void wg_allocator_release_sample(GstAllocator *allocator, struct wg_sample *sample,
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bool discard_data);
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#endif /* __WINE_WINEGSTREAMER_UNIX_PRIVATE_H */
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