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kmssink: set mode based on framebuffer configuration

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Displays usually support multiple modes. Therefore, the kmssink should
not only support the preferred mode, but any mode that is supported by
the display.

https://bugzilla.gnome.org/show_bug.cgi?id=773473
This commit is contained in:
Michael Tretter 2016-11-08 15:26:40 +01:00 committed by Víctor Manuel Jáquez Leal
parent f52baadd1e
commit ca96cc6083
1 changed files with 33 additions and 1 deletions
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34
sys/kms/gstkmssink.c
View file

@ -325,9 +325,14 @@ configure_mode_setting (GstKMSSink * self, guint32 fb_id)
gboolean ret;
drmModeConnector *conn;
int err;
drmModeFB *fb;
gint i;
drmModeModeInfo *mode;
ret = FALSE;
conn = NULL;
fb = NULL;
mode = NULL;
if (self->conn_id < 0)
goto bail;
@ -338,14 +343,30 @@ configure_mode_setting (GstKMSSink * self, guint32 fb_id)
if (!conn)
goto connector_failed;
fb = drmModeGetFB (self->fd, fb_id);
if (!fb)
goto framebuffer_failed;
for (i = 0; i < conn->count_modes; i++) {
if (conn->modes[i].vdisplay == fb->height &&
conn->modes[i].hdisplay == fb->width) {
mode = &conn->modes[i];
break;
}
}
if (!mode)
goto mode_failed;
err = drmModeSetCrtc (self->fd, self->crtc_id, fb_id, 0, 0,
(uint32_t *) & self->conn_id, 1, &conn->modes[0]);
(uint32_t *) & self->conn_id, 1, mode);
if (err)
goto modesetting_failed;
ret = TRUE;
bail:
if (fb)
drmModeFreeFB (fb);
if (conn)
drmModeFreeConnector (conn);
@ -357,6 +378,17 @@ connector_failed:
GST_ERROR_OBJECT (self, "Could not find a valid monitor connector");
goto bail;
}
framebuffer_failed:
{
GST_ERROR_OBJECT (self, "drmModeGetFB failed: %s (%d)",
strerror (errno), errno);
goto bail;
}
mode_failed:
{
GST_ERROR_OBJECT (self, "cannot find appropriate mode");
goto bail;
}
modesetting_failed:
{
GST_ERROR_OBJECT (self, "Failed to set mode: %s", strerror (errno));