X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fframework%2Fmlt_frame.h;h=9d0060236c5cb755c1d3f4a231bb56707599732c;hb=868437163988b81b721567ed571ff37d0c64d717;hp=c87432789f3a9b8a3c5975cda3d3edb324b0ee47;hpb=eef6de89935d75db83e0eb7277139f959a33aabf;p=mlt

diff --git a/src/framework/mlt_frame.h b/src/framework/mlt_frame.h
index c8743278..9d006023 100644
--- a/src/framework/mlt_frame.h
+++ b/src/framework/mlt_frame.h
@@ -3,8 +3,9 @@
  * \brief interface for all frame classes
  * \see mlt_frame_s
  *
- * Copyright (C) 2003-2009 Ushodaya Enterprises Limited
+ * Copyright (C) 2003-2013 Ushodaya Enterprises Limited
  * \author Charles Yates <charles.yates@pandora.be>
+ * \author Dan Dennedy <dan@dennedy.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -59,6 +60,14 @@ typedef int ( *mlt_get_audio )( mlt_frame self, void **buffer, mlt_audio_format
  * (no speed factor applied, only available when \em _need_previous_next is set on the producer)
  * \properties \em colorspace the standard for luma coefficients
  * \properties \em force_full_luma luma range handling, set to -1 for pass-through, 1 for full range, 0 for scaling
+ * \properties \em audio_frequency the sample rate of the audio
+ * \properties \em audio_channels the number of audio channels
+ * \properties \em audio_samples the number of audio samples
+ * \properties \em audio_format the mlt_audio_format for the audio on this frame
+ * \properties \em format the mlt_image_format of the image on this frame
+ * \properties \em width the horizontal resolution of the image
+ * \properties \em height the vertical resolution of the image
+ * \properties \em aspect_ratio the sample aspect ratio of the image
  */
 
 struct mlt_frame_s
@@ -107,7 +116,10 @@ extern int mlt_frame_is_test_audio( mlt_frame self );
 extern double mlt_frame_get_aspect_ratio( mlt_frame self );
 extern int mlt_frame_set_aspect_ratio( mlt_frame self, double value );
 extern mlt_position mlt_frame_get_position( mlt_frame self );
+extern mlt_position mlt_frame_original_position( mlt_frame self );
 extern int mlt_frame_set_position( mlt_frame self, mlt_position value );
+extern int mlt_frame_set_image( mlt_frame self, uint8_t *image, int size, mlt_destructor destroy );
+extern int mlt_frame_set_alpha( mlt_frame self, uint8_t *alpha, int size, mlt_destructor destroy );
 extern void mlt_frame_replace_image( mlt_frame self, uint8_t *image, mlt_image_format format, int width, int height );
 extern int mlt_frame_get_image( mlt_frame self, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable );
 extern uint8_t *mlt_frame_get_alpha_mask( mlt_frame self );
@@ -128,12 +140,15 @@ extern mlt_deque mlt_frame_service_stack( mlt_frame self );
 extern mlt_producer mlt_frame_get_original_producer( mlt_frame self );
 extern void mlt_frame_close( mlt_frame self );
 extern mlt_properties mlt_frame_unique_properties( mlt_frame self, mlt_service service );
+extern mlt_frame mlt_frame_clone( mlt_frame self, int is_deep );
 
 /* convenience functions */
 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 );
 extern const char * mlt_image_format_name( mlt_image_format format );
+extern int mlt_image_format_size( mlt_image_format format, int width, int height, int *bpp );
 extern const char * mlt_audio_format_name( mlt_audio_format format );
+extern int mlt_audio_format_size( mlt_audio_format format, int samples, int channels );
 extern void mlt_frame_write_ppm( mlt_frame frame );
 
 /** This macro scales RGB into the YUV gamut - y is scaled by 219/255 and uv by 224/255. */
@@ -142,4 +157,13 @@ extern void mlt_frame_write_ppm( mlt_frame frame );
   u = ((-152*r - 300*g + 450*b) >> 10) + 128;\
   v = ((450*r - 377*g - 73*b) >> 10) + 128;
 
+/** This macro scales YUV up into the full gamut of the RGB color space. */
+#define YUV2RGB_601_SCALED( y, u, v, r, g, b ) \
+  r = ((1192 * ( y - 16 ) + 1634 * ( v - 128 ) ) >> 10 ); \
+  g = ((1192 * ( y - 16 ) - 832 * ( v - 128 ) - 401 * ( u - 128 ) ) >> 10 ); \
+  b = ((1192 * ( y - 16 ) + 2066 * ( u - 128 ) ) >> 10 ); \
+  r = r < 0 ? 0 : r > 255 ? 255 : r; \
+  g = g < 0 ? 0 : g > 255 ? 255 : g; \
+  b = b < 0 ? 0 : b > 255 ? 255 : b;
+
 #endif