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win32: add option to set VO MMCSS profile

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wm4 2015-12-06 19:20:23 +01:00
parent 9db50c6760
commit 159eb3f962
5 changed files with 17 additions and 1 deletions
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4
DOCS/man/options.rst
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@ -3550,6 +3550,10 @@ Miscellaneous
other options such as e.g. user agent are not available with all protocols,
and printing errors for unknown options would end up being too noisy.)
``--vo-mmcss-profile=<name>``
(Windows only.)
Set the MMCSS profile for the video renderer thread (default: ``Playback``).
``--priority=<prio>``
(Windows only.)
Set process priority for mpv according to the predefined priorities

1
TOOLS/old-configure
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@ -977,6 +977,7 @@ cat > $TMPC << EOF
#define HAVE_C11_TLS 1
#define HAVE_EGL_ANGLE 0
#define HAVE_GPL3 1
#define HAVE_WIN32 0
#ifdef __OpenBSD__
#define DEFAULT_CDROM_DEVICE "/dev/rcd0c"

5
options/options.c
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@ -456,6 +456,10 @@ const m_option_t mp_opts[] = {
({"auto", 0}, {"no", -1}, {"yes", 1})),
OPT_FLAG("x11-bypass-compositor", vo.x11_bypass_compositor, 0),
#endif
#if HAVE_WIN32
OPT_STRING("vo-mmcss-profile", vo.mmcss_profile, M_OPT_FIXED),
#endif
OPT_STRING("heartbeat-cmd", heartbeat_cmd, 0),
OPT_FLOAT("heartbeat-interval", heartbeat_interval, CONF_MIN, 0),
@ -701,6 +705,7 @@ const struct MPOpts mp_default_opts = {
.WinID = -1,
.window_scale = 1.0,
.x11_bypass_compositor = 1,
.mmcss_profile = "Playback",
},
.allow_win_drag = 1,
.wintitle = "${?media-title:${media-title}}${!media-title:No file} - mpv",

2
options/options.h
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@ -43,6 +43,8 @@ typedef struct mp_vo_opts {
float monitor_pixel_aspect;
int force_window_position;
char *mmcss_profile;
// vo_wayland, vo_drm
struct sws_opts *sws_opts;
// vo_opengl, vo_opengl_cb

6
video/out/w32_common.c
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@ -1327,7 +1327,11 @@ int vo_w32_init(struct vo *vo)
// While the UI runs in its own thread, the thread in which this function
// runs in will be the renderer thread. Apply magic MMCSS cargo-cult,
// which might stop Windows from throttling clock rate and so on.
w32->avrt_handle = AvSetMmThreadCharacteristicsW(L"Playback", &(DWORD){0});
if (vo->opts->mmcss_profile[0]) {
wchar_t *profile = mp_from_utf8(NULL, vo->opts->mmcss_profile);
w32->avrt_handle = AvSetMmThreadCharacteristicsW(profile, &(DWORD){0});
talloc_free(profile);
}
return 1;
fail: