/*****************************************************************************
* vout_pictures.c : picture management functions
*****************************************************************************
- * Copyright (C) 2000 VideoLAN
- * $Id: vout_pictures.c,v 1.26 2002/05/28 18:34:42 stef Exp $
+ * Copyright (C) 2000-2004 VideoLAN
+ * $Id: vout_pictures.c,v 1.44 2004/01/06 12:02:06 zorglub Exp $
*
* Authors: Vincent Seguin <seguin@via.ecp.fr>
* Samuel Hocevar <sam@zoy.org>
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <errno.h> /* ENOMEM */
#include <stdlib.h> /* free() */
#include <stdio.h> /* sprintf() */
#include <string.h> /* strerror() */
-#include <videolan/vlc.h>
+#include <vlc/vlc.h>
-#include "video.h"
+#include "vlc_video.h"
#include "video_output.h"
+#include "vout_pictures.h"
+
/*****************************************************************************
* Local prototypes
*****************************************************************************/
-static void vout_CopyPicture( picture_t *p_src, picture_t *p_dest );
+static void CopyPicture( vout_thread_t *, picture_t *, picture_t * );
/*****************************************************************************
* vout_DisplayPicture: display a picture
*****************************************************************************
- * Remove the reservation flag of a picture, which will cause it to be ready for
- * display. The picture won't be displayed until vout_DatePicture has been
+ * Remove the reservation flag of a picture, which will cause it to be ready
+ * for display. The picture won't be displayed until vout_DatePicture has been
* called.
*****************************************************************************/
void vout_DisplayPicture( vout_thread_t *p_vout, picture_t *p_pic )
p_pic->i_status = READY_PICTURE;
break;
default:
- intf_ErrMsg( "error: picture %p has invalid status %d",
- p_pic, p_pic->i_status );
+ msg_Err( p_vout, "picture to display %p has invalid status %d",
+ p_pic, p_pic->i_status );
break;
}
p_pic->i_status = READY_PICTURE;
break;
default:
- intf_ErrMsg( "error: picture %p has invalid status %d",
- p_pic, p_pic->i_status );
+ msg_Err( p_vout, "picture to date %p has invalid status %d",
+ p_pic, p_pic->i_status );
break;
}
*****************************************************************************
* This function creates a reserved image in the video output heap.
* A null pointer is returned if the function fails. This method provides an
- * already allocated zone of memory in the picture data fields. It needs locking
- * since several pictures can be created by several producers threads.
+ * already allocated zone of memory in the picture data fields.
+ * It needs locking since several pictures can be created by several producers
+ * threads.
*****************************************************************************/
picture_t *vout_CreatePicture( vout_thread_t *p_vout,
- boolean_t b_progressive,
- boolean_t b_top_field_first,
- boolean_t b_repeat_first_field )
+ vlc_bool_t b_progressive,
+ vlc_bool_t b_top_field_first,
+ unsigned int i_nb_fields )
{
int i_pic; /* picture index */
picture_t * p_pic;
vlc_mutex_lock( &p_vout->picture_lock );
/*
- * Look for an empty place. We start at 1 because the first
- * directbuffer is reserved for memcpy()ed pictures.
+ * Look for an empty place in the picture heap.
*/
- for( i_pic = 0; i_pic < I_RENDERPICTURES && p_freepic == NULL; i_pic++ )
+ for( i_pic = 0; i_pic < I_RENDERPICTURES; i_pic++ )
{
- p_pic = PP_RENDERPICTURE[ i_pic ];
-
- /* If the picture we found is a memory buffer, and we have enough
- * pictures in the stack, and we might have enough room later for
- * a direct buffer, skip it. If no other pictures are found, the
- * video decoder will try again later. */
- if( p_vout->b_direct && ( p_vout->output.i_pictures > 5 )
- && ( p_pic->i_type != DIRECT_PICTURE ) )
- {
- break;
- }
+ p_pic = PP_RENDERPICTURE[(p_vout->render.i_last_used_pic + i_pic + 1)
+ % I_RENDERPICTURES];
switch( p_pic->i_status )
{
p_pic->b_force = 0;
p_pic->b_progressive = b_progressive;
- p_pic->b_repeat_first_field = b_repeat_first_field;
+ p_pic->i_nb_fields = i_nb_fields;
p_pic->b_top_field_first = b_top_field_first;
p_vout->i_heap_size++;
+ p_vout->render.i_last_used_pic =
+ ( p_vout->render.i_last_used_pic + i_pic + 1 )
+ % I_RENDERPICTURES;
vlc_mutex_unlock( &p_vout->picture_lock );
return( p_pic );
case FREE_PICTURE:
/* Picture is empty and ready for allocation */
+ p_vout->render.i_last_used_pic =
+ ( p_vout->render.i_last_used_pic + i_pic + 1 )
+ % I_RENDERPICTURES;
p_freepic = p_pic;
break;
*/
if( p_freepic != NULL )
{
- vout_AllocatePicture( p_freepic,
+ vout_AllocatePicture( p_vout, p_freepic, p_vout->render.i_chroma,
p_vout->render.i_width, p_vout->render.i_height,
- p_vout->render.i_chroma );
+ p_vout->render.i_aspect );
if( p_freepic->i_planes )
{
p_freepic->b_force = 0;
p_freepic->b_progressive = b_progressive;
- p_freepic->b_repeat_first_field = b_repeat_first_field;
+ p_freepic->i_nb_fields = i_nb_fields;
p_freepic->b_top_field_first = b_top_field_first;
p_freepic->i_matrix_coefficients = 1;
p_freepic->i_status = FREE_PICTURE;
p_freepic = NULL;
- intf_ErrMsg( "vout error: picture allocation failed" );
+ msg_Err( p_vout, "picture allocation failed" );
}
vlc_mutex_unlock( &p_vout->picture_lock );
(p_pic->i_status != RESERVED_DATED_PICTURE) &&
(p_pic->i_status != RESERVED_DISP_PICTURE) )
{
- intf_ErrMsg( "error: picture %p has invalid status %d",
- p_pic, p_pic->i_status );
+ msg_Err( p_vout, "picture to destroy %p has invalid status %d",
+ p_pic, p_pic->i_status );
}
#endif
/*****************************************************************************
* vout_UnlinkPicture: decrement reference counter of a picture
*****************************************************************************
- * This function decrement the reference counter of a picture in the video heap.
+ * This function decrement the reference counter of a picture in the video heap
*****************************************************************************/
void vout_UnlinkPicture( vout_thread_t *p_vout, picture_t *p_pic )
{
if( p_pic->i_refcount < 0 )
{
- intf_ErrMsg( "vout error: picture refcount is %i", p_pic->i_refcount );
+ msg_Err( p_vout, "picture %p refcount is %i",
+ p_pic, p_pic->i_refcount );
p_pic->i_refcount = 0;
}
if( p_pic->i_type == DIRECT_PICTURE )
{
- if( p_pic->i_refcount )
+ if( !p_vout->render.b_allow_modify_pics || p_pic->i_refcount )
{
/* Picture is in a direct buffer and is still in use,
* we need to copy it to another direct buffer before
/* We have subtitles. First copy the picture to
* the spare direct buffer, then render the
* subtitles. */
- vout_CopyPicture( p_pic, PP_OUTPUTPICTURE[0] );
+ CopyPicture( p_vout, p_pic, PP_OUTPUTPICTURE[0] );
vout_RenderSubPictures( p_vout, PP_OUTPUTPICTURE[0], p_subpic );
/* Picture is not in a direct buffer, but is exactly the
* same size as the direct buffers. A memcpy() is enough,
* then render the subtitles. */
- vout_CopyPicture( p_pic, PP_OUTPUTPICTURE[0] );
+
+ if( PP_OUTPUTPICTURE[0]->pf_lock )
+ if( PP_OUTPUTPICTURE[0]->pf_lock( p_vout, PP_OUTPUTPICTURE[0] ) )
+ {
+ if( PP_OUTPUTPICTURE[0]->pf_unlock )
+ PP_OUTPUTPICTURE[0]->pf_unlock( p_vout, PP_OUTPUTPICTURE[0] );
+
+ return NULL;
+ }
+
+ CopyPicture( p_vout, p_pic, PP_OUTPUTPICTURE[0] );
vout_RenderSubPictures( p_vout, PP_OUTPUTPICTURE[0], p_subpic );
+ if( PP_OUTPUTPICTURE[0]->pf_unlock )
+ PP_OUTPUTPICTURE[0]->pf_unlock( p_vout, PP_OUTPUTPICTURE[0] );
+
return PP_OUTPUTPICTURE[0];
}
* well. This usually means software YUV, or hardware YUV with a
* different chroma. */
+ if( p_vout->p_picture[0].pf_lock )
+ if( p_vout->p_picture[0].pf_lock( p_vout, &p_vout->p_picture[0] ) )
+ return NULL;
+
/* Convert image to the first direct buffer */
p_vout->chroma.pf_convert( p_vout, p_pic, &p_vout->p_picture[0] );
/* Render subpictures on the first direct buffer */
vout_RenderSubPictures( p_vout, &p_vout->p_picture[0], p_subpic );
+ if( p_vout->p_picture[0].pf_unlock )
+ p_vout->p_picture[0].pf_unlock( p_vout, &p_vout->p_picture[0] );
+
return &p_vout->p_picture[0];
}
* This function will be accessed by plugins. It calculates the relative
* position of the output window and the image window.
*****************************************************************************/
-void vout_PlacePicture( vout_thread_t *p_vout, int i_width, int i_height,
- int *pi_x, int *pi_y, int *pi_width, int *pi_height )
+void vout_PlacePicture( vout_thread_t *p_vout,
+ unsigned int i_width, unsigned int i_height,
+ unsigned int *pi_x, unsigned int *pi_y,
+ unsigned int *pi_width, unsigned int *pi_height )
{
if( (i_width <= 0) || (i_height <=0) )
{
*pi_width = *pi_height * p_vout->render.i_aspect / VOUT_ASPECT_FACTOR;
}
- *pi_x = ( i_width - *pi_width ) / 2;
- *pi_y = ( i_height - *pi_height ) / 2;
+ switch( p_vout->i_alignment & VOUT_ALIGN_HMASK )
+ {
+ case VOUT_ALIGN_LEFT:
+ *pi_x = 0;
+ break;
+ case VOUT_ALIGN_RIGHT:
+ *pi_x = i_width - *pi_width;
+ break;
+ default:
+ *pi_x = ( i_width - *pi_width ) / 2;
+ }
+
+ switch( p_vout->i_alignment & VOUT_ALIGN_VMASK )
+ {
+ case VOUT_ALIGN_TOP:
+ *pi_y = 0;
+ break;
+ case VOUT_ALIGN_BOTTOM:
+ *pi_y = i_height - *pi_height;
+ break;
+ default:
+ *pi_y = ( i_height - *pi_height ) / 2;
+ }
}
/*****************************************************************************
* used exactly like a video buffer. The video output thread then manages
* how it gets displayed.
*****************************************************************************/
-void vout_AllocatePicture( picture_t *p_pic,
- int i_width, int i_height, u32 i_chroma )
+void vout_AllocatePicture( vout_thread_t *p_vout, picture_t *p_pic,
+ vlc_fourcc_t i_chroma,
+ int i_width, int i_height, int i_aspect )
{
int i_bytes, i_index;
+ vout_InitPicture( VLC_OBJECT(p_vout), p_pic, i_chroma,
+ i_width, i_height, i_aspect );
+
+ /* Calculate how big the new image should be */
+ i_bytes = p_pic->format.i_bits_per_pixel *
+ p_pic->format.i_width * p_pic->format.i_height / 8;
+
+ p_pic->p_data = vlc_memalign( &p_pic->p_data_orig, 16, i_bytes );
+
+ if( p_pic->p_data == NULL )
+ {
+ p_pic->i_planes = 0;
+ return;
+ }
+
+ /* Fill the p_pixels field for each plane */
+ p_pic->p[ 0 ].p_pixels = p_pic->p_data;
+
+ for( i_index = 1; i_index < p_pic->i_planes; i_index++ )
+ {
+ p_pic->p[i_index].p_pixels = p_pic->p[i_index-1].p_pixels
+ + p_pic->p[i_index-1].i_lines
+ * p_pic->p[i_index-1].i_pitch;
+ }
+}
+
+/*****************************************************************************
+ * vout_InitFormat: initialise the video format fields given chroma/size.
+ *****************************************************************************
+ * This function initializes all the video_frame_format_t fields given the
+ * static properties of a picture (chroma and size).
+ *****************************************************************************/
+void vout_InitFormat( video_frame_format_t *p_format, vlc_fourcc_t i_chroma,
+ int i_width, int i_height, int i_aspect )
+{
+ p_format->i_chroma = i_chroma;
+ p_format->i_width = p_format->i_visible_width = i_width;
+ p_format->i_height = p_format->i_visible_height = i_height;
+ p_format->i_x_offset = p_format->i_y_offset = 0;
+ p_format->i_aspect = i_aspect;
+
+#if 0
+ /* Assume we have square pixels */
+ if( i_width && i_height )
+ p_format->i_aspect = i_width * VOUT_ASPECT_FACTOR / i_height;
+ else
+ p_format->i_aspect = 0;
+#endif
+
+ switch( i_chroma )
+ {
+ case FOURCC_I444:
+ p_format->i_bits_per_pixel = 24;
+ break;
+ case FOURCC_I422:
+ case FOURCC_YUY2:
+ p_format->i_bits_per_pixel = 16;
+ p_format->i_bits_per_pixel = 16;
+ break;
+ case FOURCC_I411:
+ case FOURCC_YV12:
+ case FOURCC_I420:
+ case FOURCC_IYUV:
+ p_format->i_bits_per_pixel = 12;
+ break;
+ case FOURCC_I410:
+ p_format->i_bits_per_pixel = 9;
+ break;
+ case FOURCC_Y211:
+ p_format->i_bits_per_pixel = 8;
+ break;
+ case FOURCC_RV32:
+ p_format->i_bits_per_pixel = 32;
+ break;
+ case FOURCC_RV24:
+ /* FIXME: Should be 24 here but x11 and our chroma conversion
+ * routines assume 32. */
+#ifdef WIN32
+ p_format->i_bits_per_pixel = 24;
+#else
+ p_format->i_bits_per_pixel = 32;
+#endif
+ break;
+ case FOURCC_RV15:
+ case FOURCC_RV16:
+ p_format->i_bits_per_pixel = 16;
+ break;
+ case FOURCC_RGB2:
+ p_format->i_bits_per_pixel = 8;
+ break;
+ default:
+ p_format->i_bits_per_pixel = 0;
+ break;
+ }
+}
+
+/*****************************************************************************
+ * vout_InitPicture: initialise the picture_t fields given chroma/size.
+ *****************************************************************************
+ * This function initializes most of the picture_t fields given a chroma and
+ * size. It makes the assumption that stride == width.
+ *****************************************************************************/
+void vout_InitPicture( vlc_object_t *p_this, picture_t *p_pic,
+ vlc_fourcc_t i_chroma,
+ int i_width, int i_height, int i_aspect )
+{
+ int i_index;
+
/* Store default values */
for( i_index = 0; i_index < VOUT_MAX_PLANES; i_index++ )
{
p_pic->p[i_index].p_pixels = NULL;
- p_pic->p[i_index].b_margin = 0;
- p_pic->p[i_index].i_pixel_bytes = 1;
+ p_pic->p[i_index].i_pixel_pitch = 1;
}
+ vout_InitFormat( &p_pic->format, i_chroma, i_width, i_height, i_aspect );
+
/* Calculate coordinates */
switch( i_chroma )
{
+ case FOURCC_I411:
+ p_pic->p[ Y_PLANE ].i_lines = i_height;
+ p_pic->p[ Y_PLANE ].i_pitch = i_width;
+ p_pic->p[ Y_PLANE ].i_visible_pitch = p_pic->p[ Y_PLANE ].i_pitch;
+ p_pic->p[ U_PLANE ].i_lines = i_height;
+ p_pic->p[ U_PLANE ].i_pitch = i_width / 4;
+ p_pic->p[ U_PLANE ].i_visible_pitch = p_pic->p[ U_PLANE ].i_pitch;
+ p_pic->p[ V_PLANE ].i_lines = i_height;
+ p_pic->p[ V_PLANE ].i_pitch = i_width / 4;
+ p_pic->p[ V_PLANE ].i_visible_pitch = p_pic->p[ V_PLANE ].i_pitch;
+ p_pic->i_planes = 3;
+ break;
+
+ case FOURCC_I410:
+ p_pic->p[ Y_PLANE ].i_lines = i_height;
+ p_pic->p[ Y_PLANE ].i_pitch = i_width;
+ p_pic->p[ Y_PLANE ].i_visible_pitch = p_pic->p[ Y_PLANE ].i_pitch;
+ p_pic->p[ U_PLANE ].i_lines = i_height / 4;
+ p_pic->p[ U_PLANE ].i_pitch = i_width / 4;
+ p_pic->p[ U_PLANE ].i_visible_pitch = p_pic->p[ U_PLANE ].i_pitch;
+ p_pic->p[ V_PLANE ].i_lines = i_height / 4;
+ p_pic->p[ V_PLANE ].i_pitch = i_width / 4;
+ p_pic->p[ V_PLANE ].i_visible_pitch = p_pic->p[ V_PLANE ].i_pitch;
+ p_pic->i_planes = 3;
+ break;
+
case FOURCC_YV12:
case FOURCC_I420:
case FOURCC_IYUV:
p_pic->p[ Y_PLANE ].i_lines = i_height;
p_pic->p[ Y_PLANE ].i_pitch = i_width;
- p_pic->p[ Y_PLANE ].i_visible_bytes = p_pic->p[ Y_PLANE ].i_pitch;
+ p_pic->p[ Y_PLANE ].i_visible_pitch = p_pic->p[ Y_PLANE ].i_pitch;
p_pic->p[ U_PLANE ].i_lines = i_height / 2;
p_pic->p[ U_PLANE ].i_pitch = i_width / 2;
- p_pic->p[ U_PLANE ].i_visible_bytes = p_pic->p[ U_PLANE ].i_pitch;
+ p_pic->p[ U_PLANE ].i_visible_pitch = p_pic->p[ U_PLANE ].i_pitch;
p_pic->p[ V_PLANE ].i_lines = i_height / 2;
p_pic->p[ V_PLANE ].i_pitch = i_width / 2;
- p_pic->p[ V_PLANE ].i_visible_bytes = p_pic->p[ V_PLANE ].i_pitch;
+ p_pic->p[ V_PLANE ].i_visible_pitch = p_pic->p[ V_PLANE ].i_pitch;
p_pic->i_planes = 3;
break;
case FOURCC_I422:
p_pic->p[ Y_PLANE ].i_lines = i_height;
p_pic->p[ Y_PLANE ].i_pitch = i_width;
- p_pic->p[ Y_PLANE ].i_visible_bytes = p_pic->p[ Y_PLANE ].i_pitch;
+ p_pic->p[ Y_PLANE ].i_visible_pitch = p_pic->p[ Y_PLANE ].i_pitch;
p_pic->p[ U_PLANE ].i_lines = i_height;
p_pic->p[ U_PLANE ].i_pitch = i_width / 2;
- p_pic->p[ U_PLANE ].i_visible_bytes = p_pic->p[ U_PLANE ].i_pitch;
+ p_pic->p[ U_PLANE ].i_visible_pitch = p_pic->p[ U_PLANE ].i_pitch;
p_pic->p[ V_PLANE ].i_lines = i_height;
p_pic->p[ V_PLANE ].i_pitch = i_width / 2;
- p_pic->p[ V_PLANE ].i_visible_bytes = p_pic->p[ V_PLANE ].i_pitch;
+ p_pic->p[ V_PLANE ].i_visible_pitch = p_pic->p[ V_PLANE ].i_pitch;
p_pic->i_planes = 3;
break;
case FOURCC_I444:
p_pic->p[ Y_PLANE ].i_lines = i_height;
p_pic->p[ Y_PLANE ].i_pitch = i_width;
- p_pic->p[ Y_PLANE ].i_visible_bytes = p_pic->p[ Y_PLANE ].i_pitch;
+ p_pic->p[ Y_PLANE ].i_visible_pitch = p_pic->p[ Y_PLANE ].i_pitch;
p_pic->p[ U_PLANE ].i_lines = i_height;
p_pic->p[ U_PLANE ].i_pitch = i_width;
- p_pic->p[ U_PLANE ].i_visible_bytes = p_pic->p[ U_PLANE ].i_pitch;
+ p_pic->p[ U_PLANE ].i_visible_pitch = p_pic->p[ U_PLANE ].i_pitch;
p_pic->p[ V_PLANE ].i_lines = i_height;
p_pic->p[ V_PLANE ].i_pitch = i_width;
- p_pic->p[ V_PLANE ].i_visible_bytes = p_pic->p[ V_PLANE ].i_pitch;
+ p_pic->p[ V_PLANE ].i_visible_pitch = p_pic->p[ V_PLANE ].i_pitch;
p_pic->i_planes = 3;
break;
case FOURCC_Y211:
p_pic->p->i_lines = i_height;
p_pic->p->i_pitch = i_width;
- p_pic->p->i_visible_bytes = p_pic->p->i_pitch;
- p_pic->p->i_pixel_bytes = 4;
+ p_pic->p->i_visible_pitch = p_pic->p->i_pitch;
+ p_pic->p->i_pixel_pitch = 4;
p_pic->i_planes = 1;
break;
case FOURCC_YUY2:
p_pic->p->i_lines = i_height;
p_pic->p->i_pitch = i_width * 2;
- p_pic->p->i_visible_bytes = p_pic->p->i_pitch;
- p_pic->p->i_pixel_bytes = 4;
+ p_pic->p->i_visible_pitch = p_pic->p->i_pitch;
+ p_pic->p->i_pixel_pitch = 4;
+ p_pic->i_planes = 1;
+ break;
+
+ case FOURCC_RGB2:
+ p_pic->p->i_lines = i_height;
+ p_pic->p->i_pitch = i_width;
+ p_pic->p->i_visible_pitch = p_pic->p->i_pitch;
+ p_pic->p->i_pixel_pitch = 1;
p_pic->i_planes = 1;
break;
case FOURCC_RV15:
p_pic->p->i_lines = i_height;
p_pic->p->i_pitch = i_width * 2;
- p_pic->p->i_visible_bytes = p_pic->p->i_pitch;
- p_pic->p->i_pixel_bytes = 2;
+ p_pic->p->i_visible_pitch = p_pic->p->i_pitch;
+ p_pic->p->i_pixel_pitch = 2;
/* FIXME: p_heap isn't always reachable
p_pic->p_heap->i_rmask = 0x001f;
p_pic->p_heap->i_gmask = 0x03e0;
case FOURCC_RV16:
p_pic->p->i_lines = i_height;
p_pic->p->i_pitch = i_width * 2;
- p_pic->p->i_visible_bytes = p_pic->p->i_pitch;
- p_pic->p->i_pixel_bytes = 2;
+ p_pic->p->i_visible_pitch = p_pic->p->i_pitch;
+ p_pic->p->i_pixel_pitch = 2;
/* FIXME: p_heap isn't always reachable
p_pic->p_heap->i_rmask = 0x001f;
p_pic->p_heap->i_gmask = 0x07e0;
p_pic->i_planes = 1;
break;
+ case FOURCC_RV24:
+ p_pic->p->i_lines = i_height;
+
+ /* FIXME: Should be 3 here but x11 and our chroma conversion
+ * routines assume 4. */
+#ifdef WIN32
+ p_pic->p->i_pitch = i_width * 3;
+ p_pic->p->i_pixel_pitch = 3;
+#else
+ p_pic->p->i_pitch = i_width * 4;
+ p_pic->p->i_pixel_pitch = 4;
+#endif
+ p_pic->p->i_visible_pitch = p_pic->p->i_pitch;
+/* FIXME: p_heap isn't always reachable
+ p_pic->p_heap->i_rmask = 0xff0000;
+ p_pic->p_heap->i_gmask = 0x00ff00;
+ p_pic->p_heap->i_bmask = 0x0000ff; */
+ p_pic->i_planes = 1;
+ break;
+
case FOURCC_RV32:
p_pic->p->i_lines = i_height;
p_pic->p->i_pitch = i_width * 4;
- p_pic->p->i_visible_bytes = p_pic->p->i_pitch;
- p_pic->p->i_pixel_bytes = 4;
+ p_pic->p->i_visible_pitch = p_pic->p->i_pitch;
+ p_pic->p->i_pixel_pitch = 4;
/* FIXME: p_heap isn't always reachable
p_pic->p_heap->i_rmask = 0xff0000;
p_pic->p_heap->i_gmask = 0x00ff00;
break;
default:
- intf_ErrMsg( "vout error: unknown chroma type 0x%.8x (%4.4s)",
- i_chroma, (char*)&i_chroma );
+ msg_Err( p_this, "unknown chroma type 0x%.8x (%4.4s)",
+ i_chroma, (char*)&i_chroma );
p_pic->i_planes = 0;
return;
}
+}
- /* Calculate how big the new image should be */
- for( i_bytes = 0, i_index = 0; i_index < p_pic->i_planes; i_index++ )
+/*****************************************************************************
+ * vout_ChromaCmp: compare two chroma values
+ *****************************************************************************
+ * This function returns 1 if the two fourcc values given as argument are
+ * the same format (eg. UYVY/UYNV) or almost the same format (eg. I420/YV12)
+ *****************************************************************************/
+int vout_ChromaCmp( vlc_fourcc_t i_chroma, vlc_fourcc_t i_amorhc )
+{
+ /* If they are the same, they are the same ! */
+ if( i_chroma == i_amorhc )
{
- i_bytes += p_pic->p[ i_index ].i_lines * p_pic->p[ i_index ].i_pitch;
+ return 1;
}
- p_pic->p_data = vlc_memalign( &p_pic->p_data_orig, 16, i_bytes );
-
- if( p_pic->p_data == NULL )
+ /* Check for equivalence classes */
+ switch( i_chroma )
{
- p_pic->i_planes = 0;
- return;
- }
+ case FOURCC_I420:
+ case FOURCC_IYUV:
+ case FOURCC_YV12:
+ switch( i_amorhc )
+ {
+ case FOURCC_I420:
+ case FOURCC_IYUV:
+ case FOURCC_YV12:
+ return 1;
- /* Fill the p_pixels field for each plane */
- p_pic->p[ 0 ].p_pixels = p_pic->p_data;
+ default:
+ return 0;
+ }
- for( i_index = 1; i_index < p_pic->i_planes; i_index++ )
- {
- p_pic->p[i_index].p_pixels = p_pic->p[i_index-1].p_pixels
- + p_pic->p[i_index-1].i_lines
- * p_pic->p[i_index-1].i_pitch;
+ case FOURCC_UYVY:
+ case FOURCC_UYNV:
+ case FOURCC_Y422:
+ switch( i_amorhc )
+ {
+ case FOURCC_UYVY:
+ case FOURCC_UYNV:
+ case FOURCC_Y422:
+ return 1;
+
+ default:
+ return 0;
+ }
+
+ case FOURCC_YUY2:
+ case FOURCC_YUNV:
+ switch( i_amorhc )
+ {
+ case FOURCC_YUY2:
+ case FOURCC_YUNV:
+ return 1;
+
+ default:
+ return 0;
+ }
+
+ default:
+ return 0;
}
}
/* Following functions are local */
/*****************************************************************************
- * vout_CopyPicture: copy a picture to another one
+ * CopyPicture: copy a picture to another one
*****************************************************************************
* This function takes advantage of the image format, and reduces the
* number of calls to memcpy() to the minimum. Source and destination
- * images must have same width, height, and chroma.
+ * images must have same width (hence i_visible_pitch), height, and chroma.
*****************************************************************************/
-static void vout_CopyPicture( picture_t *p_src, picture_t *p_dest )
+static void CopyPicture( vout_thread_t * p_vout,
+ picture_t *p_src, picture_t *p_dest )
{
int i;
{
if( p_src->p[i].i_pitch == p_dest->p[i].i_pitch )
{
- if( p_src->p[i].b_margin )
- {
- /* If p_src->b_margin is set, p_dest->b_margin must be set */
- if( p_dest->p[i].b_hidden )
- {
- /* There are margins, but they are hidden : perfect ! */
- FAST_MEMCPY( p_dest->p[i].p_pixels, p_src->p[i].p_pixels,
- p_src->p[i].i_pitch * p_src->p[i].i_lines );
- continue;
- }
- else
- {
- /* We can't directly copy the margin. Too bad. */
- }
- }
- else
- {
- /* Same pitch, no margins : perfect ! */
- FAST_MEMCPY( p_dest->p[i].p_pixels, p_src->p[i].p_pixels,
- p_src->p[i].i_pitch * p_src->p[i].i_lines );
- continue;
- }
+ /* There are margins, but with the same width : perfect ! */
+ p_vout->p_vlc->pf_memcpy(
+ p_dest->p[i].p_pixels, p_src->p[i].p_pixels,
+ p_src->p[i].i_pitch * p_src->p[i].i_lines );
}
else
{
- /* Pitch values are different */
- }
-
- /* We need to proceed line by line */
- {
- u8 *p_in = p_src->p[i].p_pixels, *p_out = p_dest->p[i].p_pixels;
+ /* We need to proceed line by line */
+ uint8_t *p_in = p_src->p[i].p_pixels;
+ uint8_t *p_out = p_dest->p[i].p_pixels;
int i_line;
for( i_line = p_src->p[i].i_lines; i_line--; )
{
- FAST_MEMCPY( p_out, p_in, p_src->p[i].i_visible_bytes );
+ p_vout->p_vlc->pf_memcpy( p_out, p_in,
+ p_src->p[i].i_visible_pitch );
p_in += p_src->p[i].i_pitch;
p_out += p_dest->p[i].i_pitch;
}
}
}
+ p_dest->date = p_src->date;
}
-
projects / vlc / blobdiff