mirror of
https://github.com/mpv-player/mpv
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104 lines
3.7 KiB
C
104 lines
3.7 KiB
C
#ifndef MP_HWDEC_H_
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#define MP_HWDEC_H_
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#include "options/m_option.h"
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struct mp_image_pool;
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// keep in sync with --hwdec option (see mp_hwdec_names)
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enum hwdec_type {
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HWDEC_NONE = 0,
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HWDEC_AUTO,
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HWDEC_AUTO_COPY,
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HWDEC_VDPAU,
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HWDEC_VIDEOTOOLBOX,
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HWDEC_VIDEOTOOLBOX_COPY,
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HWDEC_VAAPI,
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HWDEC_VAAPI_COPY,
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HWDEC_DXVA2,
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HWDEC_DXVA2_COPY,
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HWDEC_D3D11VA,
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HWDEC_D3D11VA_COPY,
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HWDEC_RPI,
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HWDEC_RPI_COPY,
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HWDEC_MEDIACODEC,
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HWDEC_CUDA,
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HWDEC_CUDA_COPY,
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};
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#define HWDEC_IS_AUTO(x) ((x) == HWDEC_AUTO || (x) == HWDEC_AUTO_COPY)
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// hwdec_type names (options.c)
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extern const struct m_opt_choice_alternatives mp_hwdec_names[];
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struct mp_hwdec_ctx {
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enum hwdec_type type; // (never HWDEC_NONE or HWDEC_IS_AUTO)
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const char *driver_name; // NULL if unknown/not loaded
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// This is never NULL. Its meaning depends on the .type field:
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// HWDEC_VDPAU: struct mp_vaapi_ctx*
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// HWDEC_VIDEOTOOLBOX: struct mp_vt_ctx*
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// HWDEC_VAAPI: struct mp_vaapi_ctx*
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// HWDEC_D3D11VA: ID3D11Device*
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// HWDEC_DXVA2: IDirect3DDevice9*
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// HWDEC_DXVA2_COPY: IDirect3DDevice9*
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void *ctx;
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// Optional.
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// Allocates a software image from the pool, downloads the hw image from
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// mpi, and returns it.
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// pool can be NULL (then just use straight allocation).
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// Return NULL on error or if mpi has the wrong format.
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struct mp_image *(*download_image)(struct mp_hwdec_ctx *ctx,
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struct mp_image *mpi,
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struct mp_image_pool *swpool);
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};
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struct mp_vt_ctx {
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void *priv;
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uint32_t (*get_vt_fmt)(struct mp_vt_ctx *ctx);
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};
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// Used to communicate hardware decoder device handles from VO to video decoder.
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struct mp_hwdec_devices;
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struct mp_hwdec_devices *hwdec_devices_create(void);
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void hwdec_devices_destroy(struct mp_hwdec_devices *devs);
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// Return the device context for the given API type. Returns NULL if none
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// available. Logically, the returned pointer remains valid until VO
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// uninitialization is started (all users of it must be uninitialized before).
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// hwdec_devices_request() may be used before this to lazily load devices.
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struct mp_hwdec_ctx *hwdec_devices_get(struct mp_hwdec_devices *devs,
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enum hwdec_type type);
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// For code which still strictly assumes there is 1 (or none) device.
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struct mp_hwdec_ctx *hwdec_devices_get_first(struct mp_hwdec_devices *devs);
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// Add this to the list of internal devices. Adding the same pointer twice must
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// be avoided.
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void hwdec_devices_add(struct mp_hwdec_devices *devs, struct mp_hwdec_ctx *ctx);
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// Remove this from the list of internal devices. Idempotent/ignores entries
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// not added yet.
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void hwdec_devices_remove(struct mp_hwdec_devices *devs, struct mp_hwdec_ctx *ctx);
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// Can be used to enable lazy loading of an API with hwdec_devices_request().
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// If used at all, this must be set/unset during initialization/uninitialization,
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// as concurrent use with hwdec_devices_request() is a race condition.
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void hwdec_devices_set_loader(struct mp_hwdec_devices *devs,
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void (*load_api)(void *ctx, enum hwdec_type type), void *load_api_ctx);
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// Cause VO to lazily load the requested device, and will block until this is
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// done (even if not available).
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void hwdec_devices_request(struct mp_hwdec_devices *devs, enum hwdec_type type);
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// Convenience function:
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// - return NULL if devs==NULL
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// - call hwdec_devices_request(devs, type)
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// - call hwdec_devices_get(devs, type)
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// - then return the mp_hwdec_ctx.ctx field
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void *hwdec_devices_load(struct mp_hwdec_devices *devs, enum hwdec_type type);
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#endif
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