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Move code around.

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gb 2010-05-12 19:40:30 +00:00 committed by Gwenole Beauchesne
parent d16dda6b61
commit b3dc91b1d9
1 changed files with 72 additions and 75 deletions
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147
gst/vaapisink/gstvaapisink.c
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@ -127,9 +127,6 @@ gst_vaapisink_ensure_window_xid(GstVaapiSink *sink, XID xid);
static GstFlowReturn
gst_vaapisink_show_frame(GstBaseSink *base_sink, GstBuffer *buffer);
static gboolean
update_display_rect(GstVaapiSink *sink, guint display_width, guint display_height);
static void
gst_vaapisink_xoverlay_set_xid(GstXOverlay *overlay, XID xid)
{
@ -202,6 +199,75 @@ gst_vaapisink_ensure_display(GstVaapiSink *sink)
return sink->display != NULL;
}
static gboolean
gst_vaapisink_ensure_render_rect(GstVaapiSink *sink, guint width, guint height)
{
GstVaapiRectangle * const display_rect = &sink->display_rect;
guint num, den, display_par_n, display_par_d;
double display_ratio;
gboolean success;
gst_vaapi_display_get_pixel_aspect_ratio(
sink->display,
&display_par_n, &display_par_d
);
success = gst_video_calculate_display_ratio(
&num, &den,
sink->video_width, sink->video_height,
sink->video_par_n, sink->video_par_d,
display_par_n, display_par_d
);
if (!success)
return FALSE;
GST_DEBUG("video size %dx%d, calculated display ratio %d/%d",
sink->video_width, sink->video_height, num, den);
if ((sink->video_height % den) == 0) {
GST_DEBUG("keeping video height");
display_rect->width =
gst_util_uint64_scale_int(sink->video_height, num, den);
display_rect->height = sink->video_height;
}
else if ((sink->video_width % num) == 0) {
GST_DEBUG("keeping video width");
display_rect->width = sink->video_width;
display_rect->height =
gst_util_uint64_scale_int(sink->video_width, den, num);
}
else {
GST_DEBUG("approximating while keeping video height");
display_rect->width =
gst_util_uint64_scale_int(sink->video_height, num, den);
display_rect->height = sink->video_height;
}
display_ratio = (gdouble)display_rect->width / display_rect->height;
GST_DEBUG("scaling to %ux%u", display_rect->width, display_rect->height);
if (sink->fullscreen ||
display_rect->width > width || display_rect->height > height) {
if (sink->video_width > sink->video_height) {
display_rect->width = width;
display_rect->height = width / display_ratio;
}
else {
display_rect->width = height * display_ratio;
display_rect->height = height;
}
}
GST_DEBUG("display size %ux%u", display_rect->width, display_rect->height);
if (sink->fullscreen) {
display_rect->x = (width - display_rect->width) / 2;
display_rect->y = (height - display_rect->height) / 2;
}
else {
display_rect->x = 0;
display_rect->y = 0;
}
return TRUE;
}
static inline gboolean
gst_vaapisink_ensure_window(GstVaapiSink *sink, guint width, guint height)
{
@ -241,7 +307,8 @@ gst_vaapisink_ensure_window_xid(GstVaapiSink *sink, XID xid)
if (wattr.width != sink->window_width ||
wattr.height != sink->window_height) {
update_display_rect(sink, wattr.width, wattr.height);
if (!gst_vaapisink_ensure_render_rect(sink, wattr.width, wattr.height))
return FALSE;
sink->window_width = wattr.width;
sink->window_height = wattr.height;
}
@ -291,76 +358,6 @@ gst_vaapisink_stop(GstBaseSink *base_sink)
return TRUE;
}
static gboolean
update_display_rect(GstVaapiSink *sink, guint display_width, guint display_height)
{
GstVaapiRectangle * const display_rect = &sink->display_rect;
guint num, den, display_par_n, display_par_d;
double display_ratio;
gboolean success;
gst_vaapi_display_get_pixel_aspect_ratio(
sink->display,
&display_par_n, &display_par_d
);
success = gst_video_calculate_display_ratio(
&num, &den,
sink->video_width, sink->video_height,
sink->video_par_n, sink->video_par_d,
display_par_n, display_par_d
);
if (!success)
return FALSE;
GST_DEBUG("video size %dx%d, calculated display ratio %d/%d",
sink->video_width, sink->video_height, num, den);
if ((sink->video_height % den) == 0) {
GST_DEBUG("keeping video height");
display_rect->width =
gst_util_uint64_scale_int(sink->video_height, num, den);
display_rect->height = sink->video_height;
}
else if ((sink->video_width % num) == 0) {
GST_DEBUG("keeping video width");
display_rect->width = sink->video_width;
display_rect->height =
gst_util_uint64_scale_int(sink->video_width, den, num);
}
else {
GST_DEBUG("approximating while keeping video height");
display_rect->width =
gst_util_uint64_scale_int(sink->video_height, num, den);
display_rect->height = sink->video_height;
}
display_ratio = (gdouble)display_rect->width / display_rect->height;
GST_DEBUG("scaling to %ux%u", display_rect->width, display_rect->height);
if (sink->fullscreen ||
display_rect->width > display_width ||
display_rect->height > display_height) {
if (sink->video_width > sink->video_height) {
display_rect->width = display_width;
display_rect->height = display_width / display_ratio;
}
else {
display_rect->width = display_height * display_ratio;
display_rect->height = display_height;
}
}
GST_DEBUG("display size %ux%u", display_rect->width, display_rect->height);
if (sink->fullscreen) {
display_rect->x = (display_width - display_rect->width) / 2;
display_rect->y = (display_height - display_rect->height) / 2;
}
else {
display_rect->x = 0;
display_rect->y = 0;
}
return TRUE;
}
static gboolean
gst_vaapisink_set_caps(GstBaseSink *base_sink, GstCaps *caps)
{
@ -383,7 +380,7 @@ gst_vaapisink_set_caps(GstBaseSink *base_sink, GstCaps *caps)
sink->video_par_d = video_par_d;
gst_vaapi_display_get_size(sink->display, &display_width, &display_height);
if (!update_display_rect(sink, display_width, display_height))
if (!gst_vaapisink_ensure_render_rect(sink, display_width, display_height))
return FALSE;
if (sink->fullscreen) {