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video output: support rotated movies

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Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
This commit is contained in:
Matthias Keiser 2014-03-06 01:12:25 +01:00 committed by Rémi Denis-Courmont
parent 5290dabebe
commit 88660f191b
3 changed files with 81 additions and 0 deletions
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13
include/vlc_vout_display.h
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@ -436,5 +436,18 @@ typedef struct {
*/
VLC_API void vout_display_PlacePicture(vout_display_place_t *place, const video_format_t *source, const vout_display_cfg_t *cfg, bool do_clipping);
/**
* Helper function that applies the necessary transforms to the mouse position
* and then calls vout_display_SendEventMouseMoved.
*
* \param vd vout_display_t.
* \param orient_display The orientation of the picture as seen on screen (probably ORIENT_NORMAL).
* \param m_x Mouse x position (relative to place, origin is top left).
* \param m_y Mouse y position (relative to place, origin is top left).
* \param place Place of the picture.
*/
VLC_API void vout_display_SendMouseMovedDisplayCoordinates(vout_display_t *vd, video_orientation_t orient_display, int m_x, int m_y,
vout_display_place_t *place);
#endif /* VLC_VOUT_DISPLAY_H */

1
src/libvlccore.sym
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@ -636,6 +636,7 @@ vout_SetDisplayAspect
vout_SetDisplayCrop
vout_display_GetDefaultDisplaySize
vout_display_PlacePicture
vout_display_SendMouseMovedDisplayCoordinates
xml_Create
text_style_Copy
text_style_Delete

67
src/video_output/display.c
View File

@ -197,6 +197,13 @@ void vout_display_GetDefaultDisplaySize(unsigned *width, unsigned *height,
*width = *width * cfg->zoom.num / cfg->zoom.den;
*height = *height * cfg->zoom.num / cfg->zoom.den;
if (ORIENT_IS_SWAP(source->orientation)) {
unsigned store = *width;
*width = *height;
*height = store;
}
}
/* */
@ -214,6 +221,10 @@ void vout_display_PlacePicture(vout_display_place_t *place,
unsigned display_width;
unsigned display_height;
video_format_t source_rot;
video_format_ApplyRotation(source, &source_rot);
source = &source_rot;
if (cfg->is_display_filled) {
display_width = cfg->display.width;
display_height = cfg->display.height;
@ -273,6 +284,62 @@ void vout_display_PlacePicture(vout_display_place_t *place,
}
}
void vout_display_SendMouseMovedDisplayCoordinates(vout_display_t *vd, video_orientation_t orient_display, int m_x, int m_y, vout_display_place_t *place)
{
video_format_t source_rot = vd->source;
video_format_TransformTo(&source_rot, orient_display);
if (place->width > 0 && place->height > 0) {
int x = (int)(source_rot.i_x_offset +
(int64_t)(m_x - place->x) * source_rot.i_visible_width / place->width);
int y = (int)(source_rot.i_y_offset +
(int64_t)(m_y - place->y) * source_rot.i_visible_height/ place->height);
video_transform_t transform = video_format_GetTransform(vd->source.orientation, orient_display);
int store;
switch (transform) {
case TRANSFORM_R90:
store = x;
x = y;
y = vd->source.i_visible_height - store;
break;
case TRANSFORM_R180:
x = vd->source.i_visible_width - x;
y = vd->source.i_visible_height - y;
break;
case TRANSFORM_R270:
store = x;
x = vd->source.i_visible_width - y;
y = store;
break;
case TRANSFORM_HFLIP:
x = vd->source.i_visible_width - x;
break;
case TRANSFORM_VFLIP:
y = vd->source.i_visible_height - y;
break;
case TRANSFORM_TRANSPOSE:
store = x;
x = y;
y = store;
break;
case TRANSFORM_ANTI_TRANSPOSE:
store = x;
x = vd->source.i_visible_width - y;
y = vd->source.i_visible_height - store;
break;
default:
break;
}
vout_display_SendEventMouseMoved (vd, x, y);
}
}
struct vout_display_owner_sys_t {
vout_thread_t *vout;
bool is_wrapper; /* Is the current display a wrapper */