#include "jpeglib_error_wrapper.h"
#include "pbo_pool.h"
#include "shared/memcpy_interleaved.h"
+#include "shared/va_display.h"
#include <X11/Xlib.h>
#include <assert.h>
bool committed = false;
};
-VADisplayWithCleanup::~VADisplayWithCleanup()
+static unique_ptr<VADisplayWithCleanup> try_open_va_mjpeg(const string &va_display)
{
- if (va_dpy != nullptr) {
- vaTerminate(va_dpy);
- }
- if (x11_display != nullptr) {
- XCloseDisplay(x11_display);
- }
- if (drm_fd != -1) {
- close(drm_fd);
- }
-}
-
-unique_ptr<VADisplayWithCleanup> va_open_display(const string &va_display)
-{
- if (va_display.empty() || va_display[0] != '/') { // An X display.
- Display *x11_display = XOpenDisplay(va_display.empty() ? nullptr : va_display.c_str());
- if (x11_display == nullptr) {
- fprintf(stderr, "error: can't connect to X server!\n");
- return nullptr;
- }
-
- unique_ptr<VADisplayWithCleanup> ret(new VADisplayWithCleanup);
- ret->x11_display = x11_display;
- ret->va_dpy = vaGetDisplay(x11_display);
- if (ret->va_dpy == nullptr) {
- return nullptr;
- }
- return ret;
- } else { // A DRM node on the filesystem (e.g. /dev/dri/renderD128).
- int drm_fd = open(va_display.c_str(), O_RDWR);
- if (drm_fd == -1) {
- perror(va_display.c_str());
- return nullptr;
- }
- unique_ptr<VADisplayWithCleanup> ret(new VADisplayWithCleanup);
- ret->drm_fd = drm_fd;
- ret->va_dpy = vaGetDisplayDRM(drm_fd);
- if (ret->va_dpy == nullptr) {
- return nullptr;
- }
- return ret;
- }
-}
-
-unique_ptr<VADisplayWithCleanup> try_open_va(const string &va_display, string *error)
-{
- unique_ptr<VADisplayWithCleanup> va_dpy = va_open_display(va_display);
- if (va_dpy == nullptr) {
- if (error)
- *error = "Opening VA display failed";
- return nullptr;
- }
- int major_ver, minor_ver;
- VAStatus va_status = vaInitialize(va_dpy->va_dpy, &major_ver, &minor_ver);
- if (va_status != VA_STATUS_SUCCESS) {
- char buf[256];
- snprintf(buf, sizeof(buf), "vaInitialize() failed with status %d\n", va_status);
- if (error != nullptr)
- *error = buf;
- return nullptr;
- }
-
- int num_entrypoints = vaMaxNumEntrypoints(va_dpy->va_dpy);
- unique_ptr<VAEntrypoint[]> entrypoints(new VAEntrypoint[num_entrypoints]);
- if (entrypoints == nullptr) {
- if (error != nullptr)
- *error = "Failed to allocate memory for VA entry points";
- return nullptr;
- }
-
- vaQueryConfigEntrypoints(va_dpy->va_dpy, VAProfileJPEGBaseline, entrypoints.get(), &num_entrypoints);
- for (int slice_entrypoint = 0; slice_entrypoint < num_entrypoints; slice_entrypoint++) {
- if (entrypoints[slice_entrypoint] != VAEntrypointVLD) {
- continue;
- }
-
- // We found a usable decode, so return it.
- return va_dpy;
- }
-
- if (error != nullptr)
- *error = "Can't find VAEntrypointVLD for the JPEG profile";
- return nullptr;
+ // Seemingly VA_FOURCC_422H is no good for vaGetImage(). :-/
+ return try_open_va(va_display, { VAProfileJPEGBaseline }, VAEntrypointVLD,
+ { { "4:2:2", VA_RT_FORMAT_YUV422, VA_FOURCC_UYVY, &config_id, &uyvy_format } },
+ /*chosen_profile=*/nullptr, /*error=*/nullptr);
}
string get_usable_va_display()
}
// First try the default (ie., whatever $DISPLAY is set to).
- unique_ptr<VADisplayWithCleanup> va_dpy = try_open_va("", nullptr);
+ unique_ptr<VADisplayWithCleanup> va_dpy = try_open_va_mjpeg("");
if (va_dpy != nullptr) {
if (need_env_reset) {
unsetenv("LIBVA_MESSAGING_LEVEL");
} else {
for (size_t i = 0; i < g.gl_pathc; ++i) {
string path = g.gl_pathv[i];
- va_dpy = try_open_va(path, nullptr);
+ va_dpy = try_open_va_mjpeg(path);
if (va_dpy != nullptr) {
fprintf(stderr, "Autodetected %s as a suitable replacement; using it.\n",
path.c_str());
return;
}
- va_dpy = try_open_va(dpy, nullptr);
+ va_dpy = try_open_va_mjpeg(dpy);
if (va_dpy == nullptr) {
return;
}
- VAConfigAttrib attr = { VAConfigAttribRTFormat, VA_RT_FORMAT_YUV422 };
-
- VAStatus va_status = vaCreateConfig(va_dpy->va_dpy, VAProfileJPEGBaseline, VAEntrypointVLD,
- &attr, 1, &config_id);
- CHECK_VASTATUS(va_status, "vaCreateConfig");
-
- int num_formats = vaMaxNumImageFormats(va_dpy->va_dpy);
- assert(num_formats > 0);
-
- unique_ptr<VAImageFormat[]> formats(new VAImageFormat[num_formats]);
- va_status = vaQueryImageFormats(va_dpy->va_dpy, formats.get(), &num_formats);
- CHECK_VASTATUS(va_status, "vaQueryImageFormats");
-
- bool found = false;
- for (int i = 0; i < num_formats; ++i) {
- // Seemingly VA_FOURCC_422H is no good for vaGetImage(). :-/
- if (formats[i].fourcc == VA_FOURCC_UYVY) {
- memcpy(&uyvy_format, &formats[i], sizeof(VAImageFormat));
- found = true;
- break;
- }
- }
- if (!found) {
- return;
- }
-
fprintf(stderr, "VA-API JPEG decoding initialized.\n");
vaapi_jpeg_decoding_usable = true;
}