* Copyright (C) 2003-2004 Ushodaya Enterprises Limited
* Author: Charles Yates <charles.yates@pandora.be>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This program is distributed in the hope that it will be useful,
+ * This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _MLT_FRAME_H_
#include "mlt_properties.h"
#include "mlt_deque.h"
+#include "mlt_service.h"
typedef int ( *mlt_get_image )( mlt_frame self, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable );
typedef int ( *mlt_get_audio )( mlt_frame self, int16_t **buffer, mlt_audio_format *format, int *frequency, int *channels, int *samples );
struct mlt_frame_s
{
- // We're extending properties here
+ /* We're extending properties here */
struct mlt_properties_s parent;
- // Virtual methods
+ /* Virtual methods */
uint8_t * ( *get_alpha_mask )( mlt_frame self );
- // Private properties
+ /* Private properties */
mlt_deque stack_image;
mlt_deque stack_audio;
mlt_deque stack_service;
#define MLT_FRAME_IMAGE_STACK( frame ) ( ( frame )->stack_image )
#define MLT_FRAME_AUDIO_STACK( frame ) ( ( frame )->stack_audio )
-extern mlt_frame mlt_frame_init( );
+extern mlt_frame mlt_frame_init( mlt_service service );
extern mlt_properties mlt_frame_properties( mlt_frame self );
extern int mlt_frame_is_test_card( mlt_frame self );
extern int mlt_frame_is_test_audio( mlt_frame self );
extern void mlt_frame_close( mlt_frame self );
/* convenience functions */
+extern int mlt_convert_yuv422_to_rgb24a( uint8_t *yuv, uint8_t *rgba, unsigned int total );
extern int mlt_convert_rgb24a_to_yuv422( uint8_t *rgba, int width, int height, int stride, uint8_t *yuv, uint8_t *alpha );
extern int mlt_convert_rgb24_to_yuv422( uint8_t *rgb, int width, int height, int stride, uint8_t *yuv );
+extern int mlt_convert_bgr24a_to_yuv422( uint8_t *rgba, int width, int height, int stride, uint8_t *yuv, uint8_t *alpha );
+extern int mlt_convert_argb_to_yuv422( uint8_t *rgba, int width, int height, int stride, uint8_t *yuv, uint8_t *alpha );
+extern int mlt_convert_bgr24_to_yuv422( uint8_t *rgb, int width, int height, int stride, uint8_t *yuv );
extern int mlt_convert_yuv420p_to_yuv422( uint8_t *yuv420p, int width, int height, int stride, uint8_t *yuv );
extern uint8_t *mlt_frame_resize_yuv422( mlt_frame self, int owidth, int oheight );
extern uint8_t *mlt_frame_rescale_yuv422( mlt_frame self, int owidth, int oheight );
extern void mlt_resize_yuv422( uint8_t *output, int owidth, int oheight, uint8_t *input, int iwidth, int iheight );
extern int mlt_frame_mix_audio( mlt_frame self, mlt_frame that, float weight_start, float weight_end, int16_t **buffer, mlt_audio_format *format, int *frequency, int *channels, int *samples );
+extern int mlt_frame_combine_audio( mlt_frame self, mlt_frame that, int16_t **buffer, mlt_audio_format *format, int *frequency, int *channels, int *samples );
extern int mlt_sample_calculator( float fps, int frequency, int64_t position );
extern int64_t mlt_sample_calculator_to_now( float fps, int frequency, int64_t position );
/* this macro scales rgb into the yuv gamut, y is scaled by 219/255 and uv by 224/255 */
#define RGB2YUV(r, g, b, y, u, v)\
- y = ((257*r + 504*g + 98*b) >> 10) + 16;\
- u = ((-148*r - 291*g + 439*b) >> 10) + 128;\
- v = ((439*r - 368*g - 71*b) >> 10) + 128;\
- y = y < 16 ? 16 : y;\
- u = u < 16 ? 16 : u;\
- v = v < 16 ? 16 : v;\
- y = y > 235 ? 235 : y;\
- u = u > 240 ? 240 : u;\
- v = v > 240 ? 240 : v
+ y = ((263*r + 516*g + 100*b) >> 10) + 16;\
+ u = ((-152*r - 298*g + 450*b) >> 10) + 128;\
+ v = ((450*r - 377*g - 73*b) >> 10) + 128;
/* this macro assumes the user has already scaled their rgb down into the broadcast limits */
#define RGB2YUV_UNSCALED(r, g, b, y, u, v)\