RepoMirrors
/
mpv
mirror of https://github.com/mpv-player/mpv
1
0
Fork 0
Code Issues Releases Wiki Activity
mpv/video/out/opengl/hwdec_vaegl.c

388 lines
11 KiB
C
Raw Blame History

/*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* mpv is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stddef.h>
#include <string.h>
#include <assert.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <va/va_drmcommon.h>
#include "hwdec.h"
#include "video/vaapi.h"
#include "video/img_fourcc.h"
#include "video/mp_image_pool.h"
#include "common.h"
#ifndef GL_OES_EGL_image
typedef void* GLeglImageOES;
#endif
#ifndef EGL_KHR_image
typedef void *EGLImageKHR;
#endif
#ifndef EGL_LINUX_DMA_BUF_EXT
#define EGL_LINUX_DMA_BUF_EXT 0x3270
#define EGL_LINUX_DRM_FOURCC_EXT 0x3271
#define EGL_DMA_BUF_PLANE0_FD_EXT 0x3272
#define EGL_DMA_BUF_PLANE0_OFFSET_EXT 0x3273
#define EGL_DMA_BUF_PLANE0_PITCH_EXT 0x3274
#endif
#if HAVE_VAAPI_X11
#include <va/va_x11.h>
static VADisplay *create_x11_va_display(GL *gl)
{
Display *x11 = gl->MPGetNativeDisplay("x11");
return x11 ? vaGetDisplay(x11) : NULL;
}
#endif
#if HAVE_VAAPI_WAYLAND
#include <va/va_wayland.h>
static VADisplay *create_wayland_va_display(GL *gl)
{
struct wl_display *wl = gl->MPGetNativeDisplay("wl");
return wl ? vaGetDisplayWl(wl) : NULL;
}
#endif
#if HAVE_VAAPI_DRM
#include <va/va_drm.h>
static VADisplay *create_drm_va_display(GL *gl)
{
int drm_fd = (intptr_t)gl->MPGetNativeDisplay("drm");
// Note: yes, drm_fd==0 could be valid - but it's rare and doesn't fit with
// our slightly crappy way of passing it through, so consider 0 not
// valid.
return drm_fd ? vaGetDisplayDRM(drm_fd) : NULL;
}
#endif
struct va_create_native {
VADisplay *(*create)(GL *gl);
};
static const struct va_create_native create_native_cbs[] = {
#if HAVE_VAAPI_X11
{create_x11_va_display},
#endif
#if HAVE_VAAPI_WAYLAND
{create_wayland_va_display},
#endif
#if HAVE_VAAPI_DRM
{create_drm_va_display},
#endif
};
static VADisplay *create_native_va_display(GL *gl)
{
if (!gl->MPGetNativeDisplay)
return NULL;
for (int n = 0; n < MP_ARRAY_SIZE(create_native_cbs); n++) {
VADisplay *display = create_native_cbs[n].create(gl);
if (display)
return display;
}
return NULL;
}
struct priv {
struct mp_log *log;
struct mp_vaapi_ctx *ctx;
VADisplay *display;
GLuint gl_textures[4];
EGLImageKHR images[4];
VAImage current_image;
bool buffer_acquired;
struct mp_image *current_ref;
EGLImageKHR (EGLAPIENTRY *CreateImageKHR)(EGLDisplay, EGLContext,
EGLenum, EGLClientBuffer,
const EGLint *);
EGLBoolean (EGLAPIENTRY *DestroyImageKHR)(EGLDisplay, EGLImageKHR);
void (EGLAPIENTRY *EGLImageTargetTexture2DOES)(GLenum, GLeglImageOES);
};
static bool test_format(struct gl_hwdec *hw);
static void unref_image(struct gl_hwdec *hw)
{
struct priv *p = hw->priv;
VAStatus status;
for (int n = 0; n < 4; n++) {
if (p->images[n])
p->DestroyImageKHR(eglGetCurrentDisplay(), p->images[n]);
p->images[n] = 0;
}
va_lock(p->ctx);
if (p->buffer_acquired) {
status = vaReleaseBufferHandle(p->display, p->current_image.buf);
CHECK_VA_STATUS(p, "vaReleaseBufferHandle()");
p->buffer_acquired = false;
}
if (p->current_image.image_id != VA_INVALID_ID) {
status = vaDestroyImage(p->display, p->current_image.image_id);
CHECK_VA_STATUS(p, "vaDestroyImage()");
p->current_image.image_id = VA_INVALID_ID;
}
mp_image_unrefp(&p->current_ref);
va_unlock(p->ctx);
}
static void destroy_textures(struct gl_hwdec *hw)
{
struct priv *p = hw->priv;
GL *gl = hw->gl;
gl->DeleteTextures(4, p->gl_textures);
for (int n = 0; n < 4; n++)
p->gl_textures[n] = 0;
}
static void destroy(struct gl_hwdec *hw)
{
struct priv *p = hw->priv;
unref_image(hw);
destroy_textures(hw);
va_destroy(p->ctx);
}
static int create(struct gl_hwdec *hw)
{
GL *gl = hw->gl;
struct priv *p = talloc_zero(hw, struct priv);
hw->priv = p;
p->current_image.buf = p->current_image.image_id = VA_INVALID_ID;
p->log = hw->log;
if (hw->hwctx)
return -1;
if (!eglGetCurrentDisplay())
return -1;
const char *exts = eglQueryString(eglGetCurrentDisplay(), EGL_EXTENSIONS);
if (!exts)
return -1;
if (!strstr(exts, "EXT_image_dma_buf_import") ||
!strstr(exts, "EGL_KHR_image_base") ||
!strstr(gl->extensions, "GL_OES_EGL_image") ||
!(gl->mpgl_caps & MPGL_CAP_TEX_RG))
return -1;
// EGL_KHR_image_base
p->CreateImageKHR = (void *)eglGetProcAddress("eglCreateImageKHR");
p->DestroyImageKHR = (void *)eglGetProcAddress("eglDestroyImageKHR");
// GL_OES_EGL_image
p->EGLImageTargetTexture2DOES =
(void *)eglGetProcAddress("glEGLImageTargetTexture2DOES");
if (!p->CreateImageKHR || !p->DestroyImageKHR ||
!p->EGLImageTargetTexture2DOES)
return -1;
p->display = create_native_va_display(gl);
if (!p->display)
return -1;
p->ctx = va_initialize(p->display, p->log, true);
if (!p->ctx) {
vaTerminate(p->display);
return -1;
}
if (hw->probing && va_guess_if_emulated(p->ctx)) {
destroy(hw);
return -1;
}
MP_VERBOSE(p, "using VAAPI EGL interop\n");
if (!test_format(hw)) {
destroy(hw);
return -1;
}
hw->hwctx = &p->ctx->hwctx;
return 0;
}
static int reinit(struct gl_hwdec *hw, struct mp_image_params *params)
{
struct priv *p = hw->priv;
GL *gl = hw->gl;
// Recreate them to get rid of all previous image data (possibly).
destroy_textures(hw);
assert(params->imgfmt == hw->driver->imgfmt);
gl->GenTextures(4, p->gl_textures);
for (int n = 0; n < 4; n++) {
gl->BindTexture(GL_TEXTURE_2D, p->gl_textures[n]);
gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
gl->BindTexture(GL_TEXTURE_2D, 0);
hw->converted_imgfmt = va_fourcc_to_imgfmt(params->hw_subfmt);
if (hw->converted_imgfmt != IMGFMT_NV12 &&
hw->converted_imgfmt != IMGFMT_420P)
{
MP_FATAL(p, "unsupported VA image format %s\n",
mp_tag_str(params->hw_subfmt));
return -1;
}
MP_VERBOSE(p, "format: %s %s\n", mp_tag_str(params->hw_subfmt),
mp_imgfmt_to_name(hw->converted_imgfmt));
return 0;
}
#define ADD_ATTRIB(name, value) \
do { \
assert(num_attribs + 3 < MP_ARRAY_SIZE(attribs)); \
attribs[num_attribs++] = (name); \
attribs[num_attribs++] = (value); \
attribs[num_attribs] = EGL_NONE; \
} while(0)
static int map_image(struct gl_hwdec *hw, struct mp_image *hw_image,
GLuint *out_textures)
{
struct priv *p = hw->priv;
GL *gl = hw->gl;
VAStatus status;
VAImage *va_image = &p->current_image;
unref_image(hw);
mp_image_setrefp(&p->current_ref, hw_image);
va_lock(p->ctx);
status = vaDeriveImage(p->display, va_surface_id(hw_image), va_image);
if (!CHECK_VA_STATUS(p, "vaDeriveImage()"))
goto err;
int mpfmt = va_fourcc_to_imgfmt(va_image->format.fourcc);
if (hw->converted_imgfmt != mpfmt) {
MP_FATAL(p, "mid-stream hwdec format change (%s -> %s) not supported\n",
mp_imgfmt_to_name(hw->converted_imgfmt), mp_imgfmt_to_name(mpfmt));
goto err;
}
VABufferInfo buffer_info = {.mem_type = VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME};
status = vaAcquireBufferHandle(p->display, va_image->buf, &buffer_info);
if (!CHECK_VA_STATUS(p, "vaAcquireBufferHandle()"))
goto err;
p->buffer_acquired = true;
struct mp_image layout = {0};
mp_image_set_params(&layout, &hw_image->params);
mp_image_setfmt(&layout, mpfmt);
// (it would be nice if we could use EGL_IMAGE_INTERNAL_FORMAT_EXT)
int drm_fmts[4] = {MP_FOURCC('R', '8', ' ', ' '), // DRM_FORMAT_R8
MP_FOURCC('G', 'R', '8', '8'), // DRM_FORMAT_GR88
MP_FOURCC('R', 'G', '2', '4'), // DRM_FORMAT_RGB888
MP_FOURCC('R', 'A', '2', '4')}; // DRM_FORMAT_RGBA8888
for (int n = 0; n < layout.num_planes; n++) {
int attribs[20] = {EGL_NONE};
int num_attribs = 0;
ADD_ATTRIB(EGL_LINUX_DRM_FOURCC_EXT, drm_fmts[layout.fmt.bytes[n] - 1]);
ADD_ATTRIB(EGL_WIDTH, mp_image_plane_w(&layout, n));
ADD_ATTRIB(EGL_HEIGHT, mp_image_plane_h(&layout, n));
ADD_ATTRIB(EGL_DMA_BUF_PLANE0_FD_EXT, buffer_info.handle);
ADD_ATTRIB(EGL_DMA_BUF_PLANE0_OFFSET_EXT, va_image->offsets[n]);
ADD_ATTRIB(EGL_DMA_BUF_PLANE0_PITCH_EXT, va_image->pitches[n]);
p->images[n] = p->CreateImageKHR(eglGetCurrentDisplay(),
EGL_NO_CONTEXT, EGL_LINUX_DMA_BUF_EXT, NULL, attribs);
if (!p->images[n])
goto err;
gl->BindTexture(GL_TEXTURE_2D, p->gl_textures[n]);
p->EGLImageTargetTexture2DOES(GL_TEXTURE_2D, p->images[n]);
out_textures[n] = p->gl_textures[n];
}
gl->BindTexture(GL_TEXTURE_2D, 0);
if (va_image->format.fourcc == VA_FOURCC_YV12)
MPSWAP(GLuint, out_textures[1], out_textures[2]);
va_unlock(p->ctx);
return 0;
err:
va_unlock(p->ctx);
MP_FATAL(p, "mapping VAAPI EGL image failed\n");
unref_image(hw);
return -1;
}
static bool test_format(struct gl_hwdec *hw)
{
struct priv *p = hw->priv;
bool ok = false;
struct mp_image_pool *alloc = mp_image_pool_new(1);
va_pool_set_allocator(alloc, p->ctx, VA_RT_FORMAT_YUV420);
struct mp_image *surface = mp_image_pool_get(alloc, IMGFMT_VAAPI, 64, 64);
if (surface) {
va_surface_init_subformat(surface);
struct mp_image_params params = surface->params;
if (reinit(hw, &params) >= 0) {
GLuint textures[4];
ok = map_image(hw, surface, textures) >= 0;
}
unref_image(hw);
}
talloc_free(surface);
talloc_free(alloc);
return ok;
}
const struct gl_hwdec_driver gl_hwdec_vaegl = {
.name = "vaapi-egl",
.api = HWDEC_VAAPI,
.imgfmt = IMGFMT_VAAPI,
.create = create,
.reinit = reinit,
.map_image = map_image,
.destroy = destroy,
};
Reference in New Issue View Git Blame Copy Permalink