/*****************************************************************************
* puzzle_auto_solve: solve the puzzle depending on auto_solve_speed parameter
* = move one piece at the final location each time
* auto_solve_countdown is < 0
*****************************************************************************/
void puzzle_auto_solve( filter_t *p_filter)
{
filter_sys_t *p_sys = p_filter->p_sys;
if ( p_sys->s_current_param.i_auto_solve_speed < 500 )
return;
if ( --p_sys->i_auto_solve_countdown_val > 0 )
return;
/* delay reached, preset next delay and proceed with puzzle_auto_solve */
p_sys->i_auto_solve_countdown_val = init_countdown(p_sys->s_current_param.i_auto_solve_speed);
/* random piece to be moved */
int32_t i_start = ((unsigned)vlc_mrand48()) % p_sys->s_allocated.i_pieces_nbr;
/* here the computer will help player by placing the piece at the final location */
for (uint32_t i_l = 0; i_l < p_sys->s_allocated.i_pieces_nbr; i_l++) {
int32_t i = ( i_l + i_start ) % p_sys->s_allocated.i_pieces_nbr;
if ( !p_sys->ps_pieces[i].b_finished ) {
for (uint32_t j = 0; j < p_sys->s_allocated.i_pieces_nbr; j++) {
if ( p_sys->ps_pieces[j].i_group_ID == p_sys->ps_pieces[i].i_group_ID ) {
p_sys->ps_pieces[j].i_actual_angle = 0;
p_sys->ps_pieces[j].i_actual_mirror = +1;
p_sys->ps_pieces[j].ps_piece_in_plane[0].i_actual_x = p_sys->ps_pieces[j].ps_piece_in_plane[0].i_original_x;
p_sys->ps_pieces[j].ps_piece_in_plane[0].i_actual_y = p_sys->ps_pieces[j].ps_piece_in_plane[0].i_original_y;
puzzle_calculate_corners( p_filter, j );
}
}
break;
}
}
}
/*****************************************************************************
* puzzle_auto_shuffle: shuffle the pieces on the desk depending on
* auto_shuffle_speed parameter
* = random move of one piece each time
* auto_shuffle_countdown is < 0
*****************************************************************************/
void puzzle_auto_shuffle( filter_t *p_filter)
{
filter_sys_t *p_sys = p_filter->p_sys;
if ( p_sys->s_current_param.i_auto_shuffle_speed < 500 )
return;
if ( --p_sys->i_auto_shuffle_countdown_val > 0 )
return;
/* delay reached, preset next delay and proceed with puzzle_auto_shuffle */
p_sys->i_auto_shuffle_countdown_val = init_countdown(p_sys->s_current_param.i_auto_shuffle_speed);
/* random piece to be moved */
int32_t i_start = ((unsigned)vlc_mrand48()) % p_sys->s_allocated.i_pieces_nbr;
for (uint32_t i_l = 0; i_l < p_sys->s_allocated.i_pieces_nbr; i_l++){
int32_t i = ( i_l + i_start ) % p_sys->s_allocated.i_pieces_nbr;
/* find one piece which is part of one group */
if ( p_sys->pi_group_qty[p_sys->ps_pieces[i].i_group_ID] > 1 ) {
/* find an empty group to be used by this dismantled piece */
uint32_t i_new_group;
for ( i_new_group = 0 ; i_new_group < p_sys->s_allocated.i_pieces_nbr ; i_new_group ++ )
if ( p_sys->pi_group_qty[i_new_group] == 0 )
break;
p_sys->ps_pieces[i].i_group_ID = i_new_group;
p_sys->ps_pieces[i].b_finished = false;
/* random rotate & mirror */
switch ( p_sys->s_current_param.i_rotate )
{
case 1:
puzzle_rotate_pce( p_filter, i, (( (unsigned) vlc_mrand48()) % ( 2 ) ) * 2, p_sys->ps_pieces[i].i_center_x, p_sys->ps_pieces[i].i_center_y, false );
break;
case 2:
puzzle_rotate_pce( p_filter, i, (( (unsigned) vlc_mrand48()) % ( 4 ) ), p_sys->ps_pieces[i].i_center_x, p_sys->ps_pieces[i].i_center_y, false );
break;
case 3:
puzzle_rotate_pce( p_filter, i, (( (unsigned) vlc_mrand48()) % ( 8 ) ), p_sys->ps_pieces[i].i_center_x, p_sys->ps_pieces[i].i_center_y, false );
break;
}
/* random mvt */
p_sys->ps_pieces[i].ps_piece_in_plane[0].i_actual_x =
p_sys->ps_desk_planes[0].i_border_width
+ ( (unsigned) vlc_mrand48()) % ( p_sys->ps_desk_planes[0].i_width - 2*p_sys->ps_desk_planes[0].i_border_width - p_sys->ps_pieces[i].ps_piece_in_plane[0].i_width)
+ p_sys->ps_pieces[i].ps_piece_in_plane[0].i_width / 2 * ( 1 - p_sys->ps_pieces[i].i_step_x_x )
- (p_sys->ps_pieces[i].ps_piece_in_plane[0].i_lines / 2) * p_sys->ps_pieces[i].i_step_y_x;
p_sys->ps_pieces[i].ps_piece_in_plane[0].i_actual_y =
p_sys->ps_desk_planes[0].i_border_lines
+ ( (unsigned) vlc_mrand48()) % ( p_sys->ps_desk_planes[0].i_lines - 2*p_sys->ps_desk_planes[0].i_border_lines - p_sys->ps_pieces[i].ps_piece_in_plane[0].i_lines)
+ p_sys->ps_pieces[i].ps_piece_in_plane[0].i_lines / 2 * ( 1 - p_sys->ps_pieces[i].i_step_y_y )
- (p_sys->ps_pieces[i].ps_piece_in_plane[0].i_width / 2) * p_sys->ps_pieces[i].i_step_x_y;
/* redefine shapes */
uint32_t i_left_pce = 0;
uint32_t i_right_pce = 6;
uint32_t i_top_pce = 2;
uint32_t i_btm_pce = 4;
uint32_t i_pce = 0;
for (int32_t i_row = 0; i_row < p_sys->s_allocated.i_rows; i_row++)
for (int32_t i_col = 0; i_col < p_sys->s_allocated.i_cols; i_col++) {
if (p_sys->ps_pieces[i].i_original_row == p_sys->ps_pieces[i_pce].i_original_row) {
if (p_sys->ps_pieces[i].i_original_col == p_sys->ps_pieces[i_pce].i_original_col - 1)
i_right_pce = i_pce;
else if (p_sys->ps_pieces[i].i_original_col == p_sys->ps_pieces[i_pce].i_original_col + 1)
i_left_pce = i_pce;
}
else if (p_sys->ps_pieces[i].i_original_col == p_sys->ps_pieces[i_pce].i_original_col) {
if (p_sys->ps_pieces[i].i_original_row == p_sys->ps_pieces[i_pce].i_original_row - 1)
i_btm_pce = i_pce;
else if (p_sys->ps_pieces[i].i_original_row == p_sys->ps_pieces[i_pce].i_original_row + 1)
i_top_pce = i_pce;
}
i_pce++;
}
if ((p_sys->ps_pieces[i].i_left_shape == 0) && (p_sys->ps_pieces[i].i_original_col != 0)) {
p_sys->ps_pieces[i_left_pce].i_right_shape = 6 + 8 + 8*(( (unsigned) vlc_mrand48()) % ( SHAPES_QTY ) ) + (vlc_mrand48() & 0x01);
p_sys->ps_pieces[i].i_left_shape = (p_sys->ps_pieces[i_left_pce].i_right_shape - 6 ) ^ 0x01;
}
if ((p_sys->ps_pieces[i].i_right_shape == 6) && (p_sys->ps_pieces[i].i_original_col != p_sys->s_allocated.i_cols-1)) {
p_sys->ps_pieces[i].i_right_shape = 6 + 8 + 8*(( (unsigned) vlc_mrand48()) % ( SHAPES_QTY ) ) + (vlc_mrand48() & 0x01);
p_sys->ps_pieces[i_right_pce].i_left_shape = (p_sys->ps_pieces[i].i_right_shape - 6 ) ^ 0x01;
}
if ((p_sys->ps_pieces[i].i_top_shape == 2) && (p_sys->ps_pieces[i].i_original_row != 0)) {
p_sys->ps_pieces[i_top_pce].i_btm_shape = 4 + 8 + 8*(( (unsigned) vlc_mrand48()) % ( SHAPES_QTY ) ) + (vlc_mrand48() & 0x01);
p_sys->ps_pieces[i].i_top_shape = (p_sys->ps_pieces[i_top_pce].i_btm_shape - 2 ) ^ 0x01;
}
if ((p_sys->ps_pieces[i].i_btm_shape == 4) && (p_sys->ps_pieces[i].i_original_row != p_sys->s_allocated.i_rows-1)) {
p_sys->ps_pieces[i].i_btm_shape = 4 + 8 + 8*(( (unsigned) vlc_mrand48()) % ( SHAPES_QTY ) ) + (vlc_mrand48() & 0x01);
p_sys->ps_pieces[i_btm_pce].i_top_shape = (p_sys->ps_pieces[i].i_btm_shape - 2 ) ^ 0x01;
}
puzzle_calculate_corners( p_filter, i );
break;
}
}
}
/**
* Filter a picture
*/
picture_t *Filter( filter_t *p_filter, picture_t *p_pic_in ) {
if( !p_pic_in || !p_filter) return NULL;
const video_format_t *p_fmt_in = &p_filter->fmt_in.video;
filter_sys_t *p_sys = p_filter->p_sys;
picture_t *p_pic_out = filter_NewPicture( p_filter );
if( !p_pic_out ) {
picture_Release( p_pic_in );
return NULL;
}
int i_ret = 0;
p_sys->b_bake_request = false;
if ((p_sys->pi_order == NULL) || (p_sys->ps_desk_planes == NULL) || (p_sys->ps_pict_planes == NULL) || (p_sys->ps_puzzle_array == NULL) || (p_sys->ps_pieces == NULL))
p_sys->b_init = false;
if ((p_sys->ps_pieces_shapes == NULL) && p_sys->s_current_param.b_advanced && (p_sys->s_current_param.i_shape_size != 0))
p_sys->b_init = false;
/* assert initialized & allocated data match with current frame characteristics */
if ( p_sys->s_allocated.i_planes != p_pic_out->i_planes)
p_sys->b_init = false;
p_sys->s_current_param.i_planes = p_pic_out->i_planes;
if (p_sys->ps_pict_planes != NULL) {
for (uint8_t i_plane = 0; i_plane < p_sys->s_allocated.i_planes; i_plane++) {
if ( (p_sys->ps_pict_planes[i_plane].i_lines != p_pic_in->p[i_plane].i_visible_lines)
|| (p_sys->ps_pict_planes[i_plane].i_width != p_pic_in->p[i_plane].i_visible_pitch / p_pic_in->p[i_plane].i_pixel_pitch)
|| (p_sys->ps_desk_planes[i_plane].i_lines != p_pic_out->p[i_plane].i_visible_lines)
|| (p_sys->ps_desk_planes[i_plane].i_width != p_pic_out->p[i_plane].i_visible_pitch / p_pic_out->p[i_plane].i_pixel_pitch) )
p_sys->b_init = false;
}
}
p_sys->s_current_param.i_pict_width = (int) p_pic_in->p[0].i_visible_pitch / p_pic_in->p[0].i_pixel_pitch;
p_sys->s_current_param.i_pict_height = (int) p_pic_in->p[0].i_visible_lines;
p_sys->s_current_param.i_desk_width = (int) p_pic_out->p[0].i_visible_pitch / p_pic_out->p[0].i_pixel_pitch;
p_sys->s_current_param.i_desk_height = (int) p_pic_out->p[0].i_visible_lines;
/* assert no mismatch between sizes */
if ( p_sys->s_current_param.i_pict_width != p_sys->s_current_param.i_desk_width
|| p_sys->s_current_param.i_pict_height != p_sys->s_current_param.i_desk_height
|| p_sys->s_current_param.i_pict_width != (int) p_fmt_in->i_visible_width
|| p_sys->s_current_param.i_pict_height != (int) p_fmt_in->i_visible_height ) {
picture_Release(p_pic_in);
picture_Release(p_pic_out);
return NULL;
}
vlc_mutex_lock( &p_sys->lock );
/* check if we have to compute initial data */
if ( p_sys->b_change_param || p_sys->b_bake_request || !p_sys->b_init ) {
if ( p_sys->s_allocated.i_rows != p_sys->s_new_param.i_rows
|| p_sys->s_allocated.i_cols != p_sys->s_new_param.i_cols
|| p_sys->s_allocated.i_rotate != p_sys->s_new_param.i_rotate
|| p_sys->s_allocated.i_mode != p_sys->s_new_param.i_mode
|| p_sys->b_bake_request || !p_sys->b_init )
{
p_sys->b_bake_request = true;
p_sys->b_init = false;
p_sys->b_shuffle_rqst = true;
p_sys->b_shape_init = false;
}
if ( p_sys->s_current_param.i_border != p_sys->s_new_param.i_border
|| p_sys->s_current_param.i_shape_size != p_sys->s_new_param.i_shape_size )
{
p_sys->b_bake_request = true;
p_sys->b_shape_init = false;
}
/* depending on the game selected, set associated internal flags */
switch ( p_sys->s_new_param.i_mode )
{
case 0: /* jigsaw puzzle */
p_sys->s_new_param.b_advanced = true;
p_sys->s_new_param.b_blackslot = false;
p_sys->s_new_param.b_near = false;
break;
case 1: /* sliding puzzle */
p_sys->s_new_param.b_advanced = false;
p_sys->s_new_param.b_blackslot = true;
p_sys->s_new_param.b_near = true;
break;
case 2: /* swap puzzle */
p_sys->s_new_param.b_advanced = false;
p_sys->s_new_param.b_blackslot = false;
p_sys->s_new_param.b_near = true;
break;
case 3: /* exchange puzzle */
p_sys->s_new_param.b_advanced = false;
p_sys->s_new_param.b_blackslot = false;
p_sys->s_new_param.b_near = false;
break;
}
p_sys->s_current_param.i_mode = p_sys->s_new_param.i_mode;
if ( p_sys->s_current_param.b_blackslot != p_sys->s_new_param.b_blackslot
&& p_sys->i_selected == NO_PCE
&& p_sys->s_current_param.b_blackslot )
p_sys->i_selected = 0;
if ( p_sys->s_current_param.i_auto_shuffle_speed != p_sys->s_new_param.i_auto_shuffle_speed )
p_sys->i_auto_shuffle_countdown_val = init_countdown(p_sys->s_new_param.i_auto_shuffle_speed);
if ( p_sys->s_current_param.i_auto_solve_speed != p_sys->s_new_param.i_auto_solve_speed )
p_sys->i_auto_solve_countdown_val = init_countdown(p_sys->s_current_param.i_auto_solve_speed);
p_sys->s_current_param.i_rows = p_sys->s_new_param.i_rows;
p_sys->s_current_param.i_cols = p_sys->s_new_param.i_cols;
p_sys->s_current_param.i_pieces_nbr = p_sys->s_current_param.i_rows * p_sys->s_current_param.i_cols;
p_sys->s_current_param.b_advanced = p_sys->s_new_param.b_advanced;
if (!p_sys->s_new_param.b_advanced) {
p_sys->s_current_param.b_blackslot = p_sys->s_new_param.b_blackslot;
p_sys->s_current_param.b_near = p_sys->s_new_param.b_near || p_sys->s_new_param.b_blackslot;
p_sys->s_current_param.i_border = 0;
p_sys->s_current_param.b_preview = false;
p_sys->s_current_param.i_preview_size= 0;
p_sys->s_current_param.i_shape_size = 0;
p_sys->s_current_param.i_auto_shuffle_speed = 0;
p_sys->s_current_param.i_auto_solve_speed = 0;
p_sys->s_current_param.i_rotate = 0;
}
else
{
p_sys->s_current_param.b_blackslot = false;
p_sys->s_current_param.b_near = false;
p_sys->s_current_param.i_border = p_sys->s_new_param.i_border;
p_sys->s_current_param.b_preview = p_sys->s_new_param.b_preview;
p_sys->s_current_param.i_preview_size = p_sys->s_new_param.i_preview_size;
p_sys->s_current_param.i_shape_size = p_sys->s_new_param.i_shape_size;
p_sys->s_current_param.i_auto_shuffle_speed = p_sys->s_new_param.i_auto_shuffle_speed;
p_sys->s_current_param.i_auto_solve_speed = p_sys->s_new_param.i_auto_solve_speed;
p_sys->s_current_param.i_rotate = p_sys->s_new_param.i_rotate;
}
p_sys->b_change_param = false;
}
vlc_mutex_unlock( &p_sys->lock );
/* generate initial puzzle data when needed */
if ( p_sys->b_bake_request ) {
if (!p_sys->b_shuffle_rqst) {
/* here we have to keep the same position
* we have to save locations before generating new data
*/
save_game_t *ps_save_game = puzzle_save(p_filter);
if (!ps_save_game)
return CopyInfoAndRelease( p_pic_out, p_pic_in );
i_ret = puzzle_bake( p_filter, p_pic_out, p_pic_in );
if ( i_ret != VLC_SUCCESS )
{
free(ps_save_game->ps_pieces);
free(ps_save_game);
return CopyInfoAndRelease( p_pic_out, p_pic_in );
}
puzzle_load( p_filter, ps_save_game);
free(ps_save_game->ps_pieces);
free(ps_save_game);
}
else {
i_ret = puzzle_bake( p_filter, p_pic_out, p_pic_in );
if ( i_ret != VLC_SUCCESS )
return CopyInfoAndRelease( p_pic_out, p_pic_in );
}
}
/* shuffle the desk and generate pieces data */
if ( p_sys->b_shuffle_rqst && p_sys->b_init ) {
i_ret = puzzle_bake_piece ( p_filter );
if (i_ret != VLC_SUCCESS)
return CopyInfoAndRelease( p_pic_out, p_pic_in );
}
/* preset output pic */
if ( !p_sys->b_bake_request && !p_sys->b_shuffle_rqst && p_sys->b_init && !p_sys->b_finished )
puzzle_preset_desk_background(p_pic_out, 0, 127, 127);
else {
/* copy src to dst during init & bake process */
for( uint8_t i_plane = 0; i_plane < p_pic_out->i_planes; i_plane++ )
memcpy( p_pic_out->p[i_plane].p_pixels, p_pic_in->p[i_plane].p_pixels,
p_pic_in->p[i_plane].i_pitch * (int32_t) p_pic_in->p[i_plane].i_visible_lines );
}
vlc_mutex_lock( &p_sys->pce_lock );
/* manage the game, adjust locations, groups and regenerate some corrupted data if any */
for (uint32_t i = 0; i < __MAX( 4, p_sys->s_allocated.i_pieces_nbr / 4 )
&& ( !p_sys->b_bake_request && !p_sys->b_mouse_drag
&& p_sys->b_init && p_sys->s_current_param.b_advanced ); i++)
{
puzzle_solve_pces_accuracy( p_filter );
}
for (uint32_t i = 0; i < __MAX( 4, p_sys->s_allocated.i_pieces_nbr / 4 )
&& ( !p_sys->b_bake_request && !p_sys->b_mouse_drag
&& p_sys->b_init && p_sys->s_current_param.b_advanced ); i++)
{
puzzle_solve_pces_group( p_filter );
}
if ( !p_sys->b_bake_request && !p_sys->b_mouse_drag && p_sys->b_init
&& p_sys->s_current_param.b_advanced )
puzzle_count_pce_group( p_filter);
if ( !p_sys->b_bake_request && !p_sys->b_mouse_drag && p_sys->b_init
&& p_sys->s_current_param.b_advanced ) {
i_ret = puzzle_sort_layers( p_filter);
if (i_ret != VLC_SUCCESS)
{
vlc_mutex_unlock( &p_sys->pce_lock );
return CopyInfoAndRelease( p_pic_out, p_pic_in );
}
}
for (uint32_t i = 0; i < __MAX( 4, p_sys->s_allocated.i_pieces_nbr / 24 )
&& ( !p_sys->b_bake_request && !p_sys->b_mouse_drag
&& p_sys->b_init && p_sys->s_current_param.b_advanced ); i++)
{
p_sys->i_calc_corn_loop++;
p_sys->i_calc_corn_loop %= p_sys->s_allocated.i_pieces_nbr;
puzzle_calculate_corners( p_filter, p_sys->i_calc_corn_loop );
}
/* computer moves some piece depending on auto_solve and auto_shuffle param */
if ( !p_sys->b_bake_request && !p_sys->b_mouse_drag && p_sys->b_init
&& p_sys->ps_puzzle_array != NULL && p_sys->s_current_param.b_advanced )
{
puzzle_auto_shuffle( p_filter );
puzzle_auto_solve( p_filter );
}
vlc_mutex_unlock( &p_sys->pce_lock );
/* draw output pic */
if ( !p_sys->b_bake_request && p_sys->b_init && p_sys->ps_puzzle_array != NULL ) {
puzzle_draw_borders(p_filter, p_pic_in, p_pic_out);
p_sys->i_pointed_pce = NO_PCE;
puzzle_draw_pieces(p_filter, p_pic_in, p_pic_out);
/* when puzzle_draw_pieces() has not updated p_sys->i_pointed_pce,
* use puzzle_find_piece to define the piece pointed by the mouse
*/
if (p_sys->i_pointed_pce == NO_PCE)
p_sys->i_mouse_drag_pce = puzzle_find_piece( p_filter, p_sys->i_mouse_x, p_sys->i_mouse_y, -1);
else
p_sys->i_mouse_drag_pce = p_sys->i_pointed_pce;
if (p_sys->s_current_param.b_preview )
puzzle_draw_preview(p_filter, p_pic_in, p_pic_out);
/* highlight the selected piece when not playing jigsaw mode */
if ( p_sys->i_selected != NO_PCE && !p_sys->s_current_param.b_blackslot
&& !p_sys->s_current_param.b_advanced )
{
int32_t c = (p_sys->i_selected % p_sys->s_allocated.i_cols);
int32_t r = (p_sys->i_selected / p_sys->s_allocated.i_cols);
puzzle_draw_rectangle(p_pic_out,
p_sys->ps_puzzle_array[r][c][0].i_x,
p_sys->ps_puzzle_array[r][c][0].i_y,
p_sys->ps_puzzle_array[r][c][0].i_width,
p_sys->ps_puzzle_array[r][c][0].i_lines,
255, 127, 127);
}
/* draw the blackslot when playing sliding puzzle mode */
if ( p_sys->i_selected != NO_PCE && p_sys->s_current_param.b_blackslot
&& !p_sys->s_current_param.b_advanced )
{
int32_t c = (p_sys->i_selected % p_sys->s_allocated.i_cols);
int32_t r = (p_sys->i_selected / p_sys->s_allocated.i_cols);
puzzle_fill_rectangle(p_pic_out,
p_sys->ps_puzzle_array[r][c][0].i_x,
p_sys->ps_puzzle_array[r][c][0].i_y,
p_sys->ps_puzzle_array[r][c][0].i_width,
p_sys->ps_puzzle_array[r][c][0].i_lines,
0, 127, 127);
}
/* Draw the 'puzzle_shuffle' button if the puzzle is finished */
if ( p_sys->b_finished )
puzzle_draw_sign(p_pic_out, 0, 0, SHUFFLE_WIDTH, SHUFFLE_LINES, ppsz_shuffle_button, false);
/* draw an arrow at mouse pointer to indicate current action (rotation...) */
if ((p_sys->i_mouse_drag_pce != NO_PCE) && !p_sys->b_mouse_drag
&& !p_sys->b_finished && p_sys->s_current_param.b_advanced )
{
vlc_mutex_lock( &p_sys->pce_lock );
int32_t i_delta_x;
if (p_sys->s_current_param.i_rotate != 3)
i_delta_x = 0;
else if ( (p_sys->ps_pieces[p_sys->i_mouse_drag_pce].i_actual_angle & 1) == 0)
i_delta_x = p_sys->ps_desk_planes[0].i_pce_max_width / 6;
else
i_delta_x = p_sys->ps_desk_planes[0].i_pce_max_lines / 6;
if (p_sys->s_current_param.i_rotate == 0)
p_sys->i_mouse_action = 0;
else if (p_sys->s_current_param.i_rotate == 1)
p_sys->i_mouse_action = 2;
else if ( p_sys->i_mouse_x >= ( p_sys->ps_pieces[p_sys->i_mouse_drag_pce].i_center_x + i_delta_x) )
p_sys->i_mouse_action = -1; /* rotate counterclockwise */
else if ( p_sys->i_mouse_x <= ( p_sys->ps_pieces[p_sys->i_mouse_drag_pce].i_center_x - i_delta_x) )
p_sys->i_mouse_action = +1;
else
p_sys->i_mouse_action = 4; /* center click: only mirror */
if ( p_sys->i_mouse_action == +1 )
puzzle_draw_sign(p_pic_out, p_sys->i_mouse_x - ARROW_WIDTH,
p_sys->i_mouse_y, ARROW_WIDTH, ARROW_LINES, ppsz_rot_arrow_sign, false);
else if ( p_sys->i_mouse_action == -1 )
puzzle_draw_sign(p_pic_out, p_sys->i_mouse_x - ARROW_WIDTH,
p_sys->i_mouse_y, ARROW_WIDTH, ARROW_LINES, ppsz_rot_arrow_sign, true);
else if ( p_sys->i_mouse_action == 4 )
puzzle_draw_sign(p_pic_out, p_sys->i_mouse_x - ARROW_WIDTH,
p_sys->i_mouse_y, ARROW_WIDTH, ARROW_LINES, ppsz_mir_arrow_sign, false);
vlc_mutex_unlock( &p_sys->pce_lock );
}
}
return CopyInfoAndRelease( p_pic_out, p_pic_in );
}
