mirror of
https://github.com/mpv-player/mpv
synced 2024-12-25 00:02:13 +00:00
33a8e2a9ad
Whether this helps is probably questionable and depends on the GPU. But the vaapi code does it too.
92 lines
2.8 KiB
C
92 lines
2.8 KiB
C
#ifndef MPV_VDPAU_H
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#define MPV_VDPAU_H
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#include <stdbool.h>
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#include <inttypes.h>
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#include <pthread.h>
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#include <vdpau/vdpau.h>
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#include <vdpau/vdpau_x11.h>
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#include "common/msg.h"
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#define CHECK_VDP_ERROR(ctx, message) \
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do { \
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if (vdp_st != VDP_STATUS_OK) { \
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MP_ERR(ctx, "%s: %s\n", message, vdp->get_error_string(vdp_st)); \
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return -1; \
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} \
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} while (0)
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#define CHECK_VDP_WARNING(ctx, message) \
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do { \
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if (vdp_st != VDP_STATUS_OK) \
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MP_WARN(ctx, "%s: %s\n", message, vdp->get_error_string(vdp_st)); \
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} while (0)
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struct vdp_functions {
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#define VDP_FUNCTION(vdp_type, _, mp_name) vdp_type *mp_name;
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#include "video/vdpau_functions.inc"
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#undef VDP_FUNCTION
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};
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#define MAX_VIDEO_SURFACES 50
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// Shared state. Objects created from different VdpDevices are often (always?)
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// incompatible to each other, so all code must use a shared VdpDevice.
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struct mp_vdpau_ctx {
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struct mp_log *log;
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struct vo_x11_state *x11;
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// These are mostly immutable, except on preemption. We don't really care
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// to synchronize the preemption case fully correctly, because it's an
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// extremely obscure corner case, and basically a vdpau API design bug.
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// What we do will sort-of work anyway (no memory errors are possible).
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struct vdp_functions vdp;
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VdpGetProcAddress *get_proc_address;
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VdpDevice vdp_device;
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pthread_mutex_t preempt_lock;
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bool is_preempted; // set to true during unavailability
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uint64_t preemption_counter; // incremented after _restoring_
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bool preemption_user_notified;
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double last_preemption_retry_fail;
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// Surface pool
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pthread_mutex_t pool_lock;
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int64_t age_counter;
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struct surface_entry {
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VdpVideoSurface surface;
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VdpOutputSurface osurface;
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bool allocated;
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int w, h;
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VdpRGBAFormat rgb_format;
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VdpChromaType chroma;
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bool rgb;
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bool in_use;
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int64_t age;
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} video_surfaces[MAX_VIDEO_SURFACES];
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};
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struct mp_vdpau_ctx *mp_vdpau_create_device_x11(struct mp_log *log,
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struct vo_x11_state *x11);
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void mp_vdpau_destroy(struct mp_vdpau_ctx *ctx);
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int mp_vdpau_handle_preemption(struct mp_vdpau_ctx *ctx, uint64_t *counter);
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struct mp_image *mp_vdpau_get_video_surface(struct mp_vdpau_ctx *ctx,
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VdpChromaType chroma, int w, int h);
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bool mp_vdpau_get_format(int imgfmt, VdpChromaType *out_chroma_type,
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VdpYCbCrFormat *out_pixel_format);
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bool mp_vdpau_get_rgb_format(int imgfmt, VdpRGBAFormat *out_rgba_format);
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struct mp_image *mp_vdpau_upload_video_surface(struct mp_vdpau_ctx *ctx,
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struct mp_image *mpi);
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bool mp_vdpau_guess_if_emulated(struct mp_vdpau_ctx *ctx);
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#endif
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