mirror of https://github.com/mpv-player/mpv.git
141 lines
3.5 KiB
C
141 lines
3.5 KiB
C
#include <assert.h>
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#include <libavutil/hwcontext.h>
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#include "config.h"
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#include "hwdec.h"
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#include "osdep/threads.h"
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struct mp_hwdec_devices {
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mp_mutex lock;
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struct mp_hwdec_ctx **hwctxs;
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int num_hwctxs;
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void (*load_api)(void *ctx,
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struct hwdec_imgfmt_request *params);
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void *load_api_ctx;
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};
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struct mp_hwdec_devices *hwdec_devices_create(void)
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{
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struct mp_hwdec_devices *devs = talloc_zero(NULL, struct mp_hwdec_devices);
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mp_mutex_init(&devs->lock);
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return devs;
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}
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void hwdec_devices_destroy(struct mp_hwdec_devices *devs)
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{
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if (!devs)
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return;
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assert(!devs->num_hwctxs); // must have been hwdec_devices_remove()ed
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assert(!devs->load_api); // must have been unset
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mp_mutex_destroy(&devs->lock);
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talloc_free(devs);
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}
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struct mp_hwdec_ctx *hwdec_devices_get_by_imgfmt(struct mp_hwdec_devices *devs,
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int hw_imgfmt)
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{
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struct mp_hwdec_ctx *res = NULL;
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mp_mutex_lock(&devs->lock);
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for (int n = 0; n < devs->num_hwctxs; n++) {
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struct mp_hwdec_ctx *dev = devs->hwctxs[n];
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if (dev->hw_imgfmt == hw_imgfmt) {
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res = dev;
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break;
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}
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}
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mp_mutex_unlock(&devs->lock);
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return res;
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}
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struct mp_hwdec_ctx *hwdec_devices_get_first(struct mp_hwdec_devices *devs)
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{
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return hwdec_devices_get_n(devs, 0);
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}
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struct mp_hwdec_ctx *hwdec_devices_get_n(struct mp_hwdec_devices *devs, int n)
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{
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mp_mutex_lock(&devs->lock);
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struct mp_hwdec_ctx *res = n < devs->num_hwctxs ? devs->hwctxs[n] : NULL;
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mp_mutex_unlock(&devs->lock);
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return res;
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}
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void hwdec_devices_add(struct mp_hwdec_devices *devs, struct mp_hwdec_ctx *ctx)
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{
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mp_mutex_lock(&devs->lock);
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MP_TARRAY_APPEND(devs, devs->hwctxs, devs->num_hwctxs, ctx);
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mp_mutex_unlock(&devs->lock);
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}
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void hwdec_devices_remove(struct mp_hwdec_devices *devs, struct mp_hwdec_ctx *ctx)
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{
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mp_mutex_lock(&devs->lock);
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for (int n = 0; n < devs->num_hwctxs; n++) {
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if (devs->hwctxs[n] == ctx) {
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MP_TARRAY_REMOVE_AT(devs->hwctxs, devs->num_hwctxs, n);
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break;
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}
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}
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mp_mutex_unlock(&devs->lock);
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}
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void hwdec_devices_set_loader(struct mp_hwdec_devices *devs,
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void (*load_api)(void *ctx, struct hwdec_imgfmt_request *params),
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void *load_api_ctx)
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{
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devs->load_api = load_api;
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devs->load_api_ctx = load_api_ctx;
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}
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void hwdec_devices_request_for_img_fmt(struct mp_hwdec_devices *devs,
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struct hwdec_imgfmt_request *params)
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{
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if (devs->load_api)
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devs->load_api(devs->load_api_ctx, params);
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}
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char *hwdec_devices_get_names(struct mp_hwdec_devices *devs)
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{
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char *res = NULL;
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for (int n = 0; n < devs->num_hwctxs; n++) {
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if (res)
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ta_xstrdup_append(&res, ",");
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ta_xstrdup_append(&res, devs->hwctxs[n]->driver_name);
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}
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return res;
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}
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static const struct hwcontext_fns *const hwcontext_fns[] = {
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#if HAVE_CUDA_HWACCEL
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&hwcontext_fns_cuda,
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#endif
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#if HAVE_D3D_HWACCEL
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&hwcontext_fns_d3d11,
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#endif
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#if HAVE_D3D9_HWACCEL
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&hwcontext_fns_dxva2,
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#endif
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#if HAVE_DRM
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&hwcontext_fns_drmprime,
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#endif
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#if HAVE_VAAPI
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&hwcontext_fns_vaapi,
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#endif
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#if HAVE_VDPAU
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&hwcontext_fns_vdpau,
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#endif
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NULL,
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};
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const struct hwcontext_fns *hwdec_get_hwcontext_fns(int av_hwdevice_type)
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{
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for (int n = 0; hwcontext_fns[n]; n++) {
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if (hwcontext_fns[n]->av_hwdevice_type == av_hwdevice_type)
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return hwcontext_fns[n];
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}
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return NULL;
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}
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