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Certain combinations of hardware formats require the use of hwmap to transfer frames between the formats, rather than hwupload, which will fail if attempted. To keep the usage of vf_format for HW -> HW transfers as intuitive as possible, we should detect these cases and do the map operation instead of uploading. For now, the relevant cases are moving between VAAPI and Vulkan, and VAAPI and DRM Prime, in both directions. I have introduced the IMGFMT entry for Vulkan here so that I can put in the complete mapping table. It's actually not useless, as you can map to Vulkan, use a Vulkan filter and then map back to VAAPI for display output.
47 lines
1.9 KiB
C
47 lines
1.9 KiB
C
#ifndef MPV_MP_IMAGE_POOL_H
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#define MPV_MP_IMAGE_POOL_H
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#include <stdbool.h>
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struct mp_image_pool;
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struct mp_image_pool *mp_image_pool_new(void *tparent);
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struct mp_image *mp_image_pool_get(struct mp_image_pool *pool, int fmt,
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int w, int h);
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// the reference to "new" is transferred to the pool
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void mp_image_pool_add(struct mp_image_pool *pool, struct mp_image *new);
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void mp_image_pool_clear(struct mp_image_pool *pool);
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void mp_image_pool_set_lru(struct mp_image_pool *pool);
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struct mp_image *mp_image_pool_get_no_alloc(struct mp_image_pool *pool, int fmt,
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int w, int h);
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typedef struct mp_image *(*mp_image_allocator)(void *data, int fmt, int w, int h);
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void mp_image_pool_set_allocator(struct mp_image_pool *pool,
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mp_image_allocator cb, void *cb_data);
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struct mp_image *mp_image_pool_new_copy(struct mp_image_pool *pool,
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struct mp_image *img);
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bool mp_image_pool_make_writeable(struct mp_image_pool *pool,
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struct mp_image *img);
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struct mp_image *mp_image_hw_download(struct mp_image *img,
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struct mp_image_pool *swpool);
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int mp_image_hw_download_get_sw_format(struct mp_image *img);
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bool mp_image_hw_upload(struct mp_image *hw_img, struct mp_image *src);
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struct AVBufferRef;
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bool mp_update_av_hw_frames_pool(struct AVBufferRef **hw_frames_ctx,
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struct AVBufferRef *hw_device_ctx,
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int imgfmt, int sw_imgfmt, int w, int h);
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struct mp_image *mp_av_pool_image_hw_upload(struct AVBufferRef *hw_frames_ctx,
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struct mp_image *src);
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struct mp_image *mp_av_pool_image_hw_map(struct AVBufferRef *hw_frames_ctx,
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struct mp_image *src);
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#endif
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