mirror of
https://github.com/mpv-player/mpv
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70b3561270
This uses the normal autoprobing rules like "auto", but rejects anything that isn't flagged as copying data back to system memory. The chunk in command.c was dead code, so remove it instead of updating it.
100 lines
3.6 KiB
C
100 lines
3.6 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_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_MEDIACODEC,
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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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