mirror of
https://github.com/mpv-player/mpv
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23a9efd124
This code is for trying to avoid using an emulation layer when using auto probing, so that we end up using the actual API the drivers provide. It was destroyed in the recent refactor.
111 lines
3.3 KiB
C
111 lines
3.3 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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#include "hwdec.h"
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#include "config.h"
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#if !HAVE_GPL
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#error GPL only
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#endif
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#define CHECK_VDP_ERROR_ST(ctx, message, statement) \
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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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statement \
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} \
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} while (0)
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#define CHECK_VDP_ERROR(ctx, message) \
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CHECK_VDP_ERROR_ST(ctx, message, return -1;)
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#define CHECK_VDP_ERROR_NORETURN(ctx, message) \
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CHECK_VDP_ERROR_ST(ctx, message, ;)
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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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Display *x11;
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bool close_display;
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struct mp_hwdec_ctx hwctx;
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struct AVBufferRef *av_device_ref;
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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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VdpOutputSurface preemption_obj; // dummy for reliable preempt. check
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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, Display *x11,
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bool probing);
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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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struct mp_vdpau_ctx *mp_vdpau_get_ctx_from_av(struct AVBufferRef *hw_device_ctx);
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bool mp_vdpau_guess_if_emulated(struct mp_vdpau_ctx *ctx);
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#endif
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