mirror of
https://github.com/mpv-player/mpv
synced 2024-12-24 15:52:25 +00:00
260 lines
8.0 KiB
C
260 lines
8.0 KiB
C
/*
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* This file is part of mpv.
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*
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* Parts based on the MPlayer VA-API patch (see vo_vaapi.c).
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*
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* mpv is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* mpv is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stddef.h>
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#include <assert.h>
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#include "gl_common.h"
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#include "video/vdpau.h"
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#include "video/hwdec.h"
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// This is a GL_NV_vdpau_interop specification bug, and headers (unfortunately)
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// follow it. I'm not sure about the original nvidia headers.
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#define BRAINDEATH(x) ((void *)(uintptr_t)(x))
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static int reinit(struct gl_hwdec *hw, const struct mp_image_params *params);
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struct priv {
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struct mp_log *log;
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struct mp_vdpau_ctx *ctx;
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uint64_t preemption_counter;
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struct mp_image_params image_params;
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GLuint gl_texture;
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GLvdpauSurfaceNV vdpgl_surface;
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VdpOutputSurface vdp_surface;
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VdpVideoMixer video_mixer;
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};
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static void mark_vdpau_objects_uninitialized(struct gl_hwdec *hw)
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{
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struct priv *p = hw->priv;
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p->vdp_surface = VDP_INVALID_HANDLE;
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p->video_mixer = VDP_INVALID_HANDLE;
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}
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static int handle_preemption(struct gl_hwdec *hw)
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{
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struct priv *p = hw->priv;
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if (!mp_vdpau_status_ok(p->ctx)) {
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mark_vdpau_objects_uninitialized(hw);
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return -1;
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}
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if (p->preemption_counter == p->ctx->preemption_counter)
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return 0;
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mark_vdpau_objects_uninitialized(hw);
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p->preemption_counter = p->ctx->preemption_counter;
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if (reinit(hw, &p->image_params) < 0)
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return -1;
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return 1;
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}
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static void destroy_objects(struct gl_hwdec *hw)
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{
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struct priv *p = hw->priv;
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GL *gl = hw->mpgl->gl;
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struct vdp_functions *vdp = p->ctx->vdp;
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VdpStatus vdp_st;
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if (p->vdpgl_surface)
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gl->VDPAUUnregisterSurfaceNV(p->vdpgl_surface);
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p->vdpgl_surface = 0;
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glDeleteTextures(1, &p->gl_texture);
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p->gl_texture = 0;
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if (p->vdp_surface != VDP_INVALID_HANDLE) {
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vdp_st = vdp->output_surface_destroy(p->vdp_surface);
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CHECK_VDP_WARNING(p, "Error when calling vdp_output_surface_destroy");
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}
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if (p->video_mixer != VDP_INVALID_HANDLE) {
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vdp_st = vdp->video_mixer_destroy(p->video_mixer);
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CHECK_VDP_WARNING(p, "Error when calling vdp_video_mixer_destroy");
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}
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glCheckError(gl, hw->log, "Before uninitializing OpenGL interop");
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gl->VDPAUFiniNV();
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// If the GL/vdpau state is not initialized, above calls raises an error.
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while (1) {
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if (gl->GetError() == GL_NO_ERROR)
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break;
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}
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mark_vdpau_objects_uninitialized(hw);
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}
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static void destroy(struct gl_hwdec *hw)
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{
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struct priv *p = hw->priv;
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destroy_objects(hw);
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mp_vdpau_destroy(p->ctx);
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}
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static int create(struct gl_hwdec *hw)
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{
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GL *gl = hw->mpgl->gl;
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if (hw->info->vdpau_ctx)
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return -1;
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if (!hw->mpgl->vo->x11)
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return -1;
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if (!(gl->mpgl_caps & MPGL_CAP_VDPAU))
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return -1;
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struct priv *p = talloc_zero(hw, struct priv);
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hw->priv = p;
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p->log = hw->log;
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p->ctx = mp_vdpau_create_device_x11(hw->log, hw->mpgl->vo->x11);
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if (!p->ctx)
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return -1;
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p->preemption_counter = p->ctx->preemption_counter;
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mark_vdpau_objects_uninitialized(hw);
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hw->info->vdpau_ctx = p->ctx;
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hw->converted_imgfmt = IMGFMT_RGB0;
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return 0;
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}
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static int reinit(struct gl_hwdec *hw, const struct mp_image_params *params)
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{
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struct priv *p = hw->priv;
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GL *gl = hw->mpgl->gl;
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struct vdp_functions *vdp = p->ctx->vdp;
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VdpStatus vdp_st;
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destroy_objects(hw);
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p->image_params = *params;
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if (!mp_vdpau_status_ok(p->ctx))
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return -1;
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gl->VDPAUInitNV(BRAINDEATH(p->ctx->vdp_device), p->ctx->get_proc_address);
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#define VDP_NUM_MIXER_PARAMETER 3
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static const VdpVideoMixerParameter parameters[VDP_NUM_MIXER_PARAMETER] = {
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VDP_VIDEO_MIXER_PARAMETER_VIDEO_SURFACE_WIDTH,
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VDP_VIDEO_MIXER_PARAMETER_VIDEO_SURFACE_HEIGHT,
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VDP_VIDEO_MIXER_PARAMETER_CHROMA_TYPE,
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};
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const void *const parameter_values[VDP_NUM_MIXER_PARAMETER] = {
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&(uint32_t){params->w},
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&(uint32_t){params->h},
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&(VdpChromaType){VDP_CHROMA_TYPE_420},
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};
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vdp_st = vdp->video_mixer_create(p->ctx->vdp_device, 0, NULL,
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VDP_NUM_MIXER_PARAMETER,
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parameters, parameter_values,
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&p->video_mixer);
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CHECK_VDP_ERROR(p, "Error when calling vdp_video_mixer_create");
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struct mp_csp_params cparams = MP_CSP_PARAMS_DEFAULTS;
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cparams.colorspace.levels_in = params->colorlevels;
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cparams.colorspace.format = params->colorspace;
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// VdpCSCMatrix happens to be compatible with mpv's CSC matrix type
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// both are float[3][4]
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VdpCSCMatrix matrix;
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mp_get_yuv2rgb_coeffs(&cparams, matrix);
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VdpVideoMixerAttribute csc_attr = VDP_VIDEO_MIXER_ATTRIBUTE_CSC_MATRIX;
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vdp_st = vdp->video_mixer_set_attribute_values(p->video_mixer, 1, &csc_attr,
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&(const void *){matrix});
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CHECK_VDP_WARNING(p, "Error when setting vdpau colorspace conversion matrix");
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vdp_st = vdp->output_surface_create(p->ctx->vdp_device,
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VDP_RGBA_FORMAT_B8G8R8A8,
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params->w, params->h, &p->vdp_surface);
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CHECK_VDP_ERROR(p, "Error when calling vdp_output_surface_create");
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gl->GenTextures(1, &p->gl_texture);
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gl->BindTexture(GL_TEXTURE_2D, p->gl_texture);
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gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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gl->BindTexture(GL_TEXTURE_2D, 0);
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p->vdpgl_surface = gl->VDPAURegisterOutputSurfaceNV(BRAINDEATH(p->vdp_surface),
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GL_TEXTURE_2D,
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1, &p->gl_texture);
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if (!p->vdpgl_surface)
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return -1;
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gl->VDPAUSurfaceAccessNV(p->vdpgl_surface, GL_READ_ONLY);
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glCheckError(gl, hw->log, "After initializing vdpau OpenGL interop");
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return 0;
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}
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static int map_image(struct gl_hwdec *hw, struct mp_image *hw_image,
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GLuint *out_textures)
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{
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struct priv *p = hw->priv;
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GL *gl = hw->mpgl->gl;
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struct vdp_functions *vdp = p->ctx->vdp;
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VdpStatus vdp_st;
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assert(hw_image && hw_image->imgfmt == IMGFMT_VDPAU);
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VdpVideoSurface video_surface = (intptr_t)hw_image->planes[3];
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if (handle_preemption(hw) < 0)
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return -1;
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if (!p->vdpgl_surface)
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return -1;
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VdpRect *video_rect = NULL;
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vdp_st = vdp->video_mixer_render(p->video_mixer, VDP_INVALID_HANDLE,
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0, VDP_VIDEO_MIXER_PICTURE_STRUCTURE_FRAME,
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0, NULL, video_surface, 0, NULL,
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video_rect, p->vdp_surface,
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NULL, NULL, 0, NULL);
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CHECK_VDP_ERROR(p, "Error when calling vdp_video_mixer_render");
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gl->VDPAUMapSurfacesNV(1, &p->vdpgl_surface);
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out_textures[0] = p->gl_texture;
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return 0;
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}
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static void unmap_image(struct gl_hwdec *hw)
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{
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struct priv *p = hw->priv;
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GL *gl = hw->mpgl->gl;
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gl->VDPAUUnmapSurfacesNV(1, &p->vdpgl_surface);
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}
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const struct gl_hwdec_driver gl_hwdec_vdpau = {
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.api_name = "vdpau",
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.imgfmt = IMGFMT_VDPAU,
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.create = create,
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.reinit = reinit,
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.map_image = map_image,
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.unmap_image = unmap_image,
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.destroy = destroy,
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};
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