/*****************************************************************************
* vout_pictures.c : picture management functions
*****************************************************************************
- * Copyright (C) 2000 VideoLAN
- * $Id: vout_pictures.c,v 1.33 2003/01/15 13:16:40 sam Exp $
+ * Copyright (C) 2000-2004 VideoLAN
+ * $Id$
*
* Authors: Vincent Seguin <seguin@via.ecp.fr>
* Samuel Hocevar <sam@zoy.org>
#include <vlc/vlc.h>
-#include "video.h"
+#include "vlc_video.h"
#include "video_output.h"
#include "vout_pictures.h"
*****************************************************************************/
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
+/**
+ * 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
* called.
- *****************************************************************************/
+ */
void vout_DisplayPicture( vout_thread_t *p_vout, picture_t *p_pic )
{
vlc_mutex_lock( &p_vout->picture_lock );
vlc_mutex_unlock( &p_vout->picture_lock );
}
-/*****************************************************************************
- * vout_DatePicture: date a picture
- *****************************************************************************
+/**
+ * Date 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_DisplayPicture has
* been called.
- *****************************************************************************/
+ * \param p_vout The vout in question
+ * \param p_pic The picture to date
+ * \param date The date to display the picture
+ */
void vout_DatePicture( vout_thread_t *p_vout,
picture_t *p_pic, mtime_t date )
{
vlc_mutex_unlock( &p_vout->picture_lock );
}
-/*****************************************************************************
- * vout_CreatePicture: allocate a picture in the video output heap.
- *****************************************************************************
+/**
+ * Allocate a picture in the video output heap.
+ *
* 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,
vlc_bool_t b_progressive,
vlc_bool_t b_top_field_first,
- vlc_bool_t b_repeat_first_field )
+ unsigned int i_nb_fields )
{
int i_pic; /* picture index */
picture_t * p_pic;
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++;
*/
if( p_freepic != NULL )
{
- vout_AllocatePicture( p_vout, p_freepic,
+ vout_AllocatePicture( VLC_OBJECT(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 )
{
/* Copy picture information, set some default values */
p_freepic->i_status = RESERVED_PICTURE;
p_freepic->i_type = MEMORY_PICTURE;
+ p_freepic->b_slow = 0;
p_freepic->i_refcount = 0;
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;
return( NULL );
}
-/*****************************************************************************
- * vout_DestroyPicture: remove a permanent or reserved picture from the heap
- *****************************************************************************
+/**
+ * Remove a permanent or reserved picture from the heap
+ *
* This function frees a previously reserved picture or a permanent
* picture. It is meant to be used when the construction of a picture aborted.
* Note that the picture will be destroyed even if it is linked !
- *****************************************************************************/
+ */
void vout_DestroyPicture( vout_thread_t *p_vout, picture_t *p_pic )
{
vlc_mutex_lock( &p_vout->picture_lock );
vlc_mutex_unlock( &p_vout->picture_lock );
}
-/*****************************************************************************
- * vout_LinkPicture: increment reference counter of a picture
- *****************************************************************************
+/**
+ * Increment reference counter of a picture
+ *
* This function increments the reference counter of a picture in the video
* heap. It needs a lock since several producer threads can access the picture.
- *****************************************************************************/
+ */
void vout_LinkPicture( vout_thread_t *p_vout, picture_t *p_pic )
{
vlc_mutex_lock( &p_vout->picture_lock );
vlc_mutex_unlock( &p_vout->picture_lock );
}
-/*****************************************************************************
- * vout_UnlinkPicture: decrement reference counter of a picture
- *****************************************************************************
- * This function decrement the reference counter of a picture in the video heap.
- *****************************************************************************/
+/**
+ * Decrement reference counter of a picture
+ *
+ * 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 )
{
vlc_mutex_lock( &p_vout->picture_lock );
if( p_pic->i_refcount < 0 )
{
- msg_Err( p_vout, "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;
}
vlc_mutex_unlock( &p_vout->picture_lock );
}
-/*****************************************************************************
- * vout_RenderPicture: render a picture
- *****************************************************************************
+/**
+ * Render a picture
+ *
* This function chooses whether the current picture needs to be copied
* before rendering, does the subpicture magic, and tells the video output
* thread which direct buffer needs to be displayed.
- *****************************************************************************/
+ */
picture_t * vout_RenderPicture( vout_thread_t *p_vout, picture_t *p_pic,
subpicture_t *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. */
- CopyPicture( p_vout, p_pic, PP_OUTPUTPICTURE[0] );
- vout_RenderSubPictures( p_vout, PP_OUTPUTPICTURE[0], p_subpic );
+ 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;
+ }
+
+ if( p_subpic == NULL ||
+ ( p_vout->render.b_allow_modify_pics && !p_pic->i_refcount ) )
+ {
+ vout_RenderSubPictures( p_vout, p_pic, p_subpic );
+ CopyPicture( p_vout, p_pic, PP_OUTPUTPICTURE[0] );
+ }
+ else if( PP_OUTPUTPICTURE[0]->b_slow )
+ {
+ /* The picture buffer is in slow memory. We'll use
+ * the "2 * VOUT_MAX_PICTURES + 1" picture as a temporary
+ * one for subpictures rendering. */
+ picture_t *p_tmp_pic = &p_vout->p_picture[2 * VOUT_MAX_PICTURES];
+ if( p_tmp_pic->i_status == FREE_PICTURE )
+ {
+ vout_AllocatePicture( VLC_OBJECT(p_vout),
+ p_tmp_pic, p_vout->render.i_chroma,
+ p_vout->render.i_width,
+ p_vout->render.i_height,
+ p_vout->render.i_aspect );
+ p_tmp_pic->i_type = MEMORY_PICTURE;
+ p_tmp_pic->i_status = RESERVED_PICTURE;
+ }
+
+ CopyPicture( p_vout, p_pic, p_tmp_pic );
+
+ vout_RenderSubPictures( p_vout, p_tmp_pic, p_subpic );
+
+ CopyPicture( p_vout, p_tmp_pic, PP_OUTPUTPICTURE[0] );
+ }
+ else
+ {
+ 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. */
- /* Convert image to the first direct buffer */
- p_vout->chroma.pf_convert( p_vout, p_pic, &p_vout->p_picture[0] );
+ if( p_subpic != NULL && p_vout->p_picture[0].b_slow )
+ {
+ /* The picture buffer is in slow memory. We'll use
+ * the "2 * VOUT_MAX_PICTURES + 1" picture as a temporary
+ * one for subpictures rendering. */
+ picture_t *p_tmp_pic = &p_vout->p_picture[2 * VOUT_MAX_PICTURES];
+ if( p_tmp_pic->i_status == FREE_PICTURE )
+ {
+ vout_AllocatePicture( VLC_OBJECT(p_vout),
+ p_tmp_pic, p_vout->output.i_chroma,
+ p_vout->output.i_width,
+ p_vout->output.i_height,
+ p_vout->output.i_aspect );
+ p_tmp_pic->i_type = MEMORY_PICTURE;
+ p_tmp_pic->i_status = RESERVED_PICTURE;
+ }
+
+ /* Convert image to the first direct buffer */
+ p_vout->chroma.pf_convert( p_vout, p_pic, p_tmp_pic );
+
+ /* Render subpictures on the first direct buffer */
+ vout_RenderSubPictures( p_vout, p_tmp_pic, p_subpic );
+
+ 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;
+
+ CopyPicture( p_vout, p_tmp_pic, &p_vout->p_picture[0] );
+ }
+ else
+ {
+ 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;
- /* Render subpictures on the first direct buffer */
- vout_RenderSubPictures( p_vout, &p_vout->p_picture[0], p_subpic );
+ /* 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];
}
-/*****************************************************************************
- * vout_PlacePicture: calculate image window coordinates
- *****************************************************************************
+/**
+ * Calculate image window coordinates
+ *
* 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,
unsigned int i_width, unsigned int i_height,
unsigned int *pi_x, unsigned int *pi_y,
*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;
+ }
}
-/*****************************************************************************
- * vout_AllocatePicture: allocate a new picture in the heap.
- *****************************************************************************
+/**
+ * Allocate a new picture in the heap.
+ *
* This function allocates a fake direct buffer in memory, which can be
* used exactly like a video buffer. The video output thread then manages
* how it gets displayed.
- *****************************************************************************/
-void vout_AllocatePicture( vout_thread_t *p_vout, picture_t *p_pic,
- int i_width, int i_height, vlc_fourcc_t i_chroma )
+ */
+void vout_AllocatePicture( 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_bytes, i_index;
+ vout_InitPicture( p_this, 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;
+ }
+}
+
+/**
+ * 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).
+ * \param p_format Pointer to the format structure to initialize
+ * \param i_chroma Chroma to set
+ * \param i_width Width to set
+ * \param i_height Height to set
+ * \param i_aspect Aspect ratio
+ */
+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_YUVA:
+ p_format->i_bits_per_pixel = 32;
+ break;
+ case FOURCC_I444:
+ p_format->i_bits_per_pixel = 24;
+ break;
+ case FOURCC_I422:
+ case FOURCC_YUY2:
+ case FOURCC_UYVY:
+ 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:
+ case FOURCC_YVU9:
+ p_format->i_bits_per_pixel = 9;
+ break;
+ case FOURCC_Y211:
+ p_format->i_bits_per_pixel = 8;
+ break;
+ case FOURCC_YUVP:
+ 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;
+ }
+}
+
+/**
+ * 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.
+ * \param p_this The calling object
+ * \param p_pic Pointer to the picture to initialize
+ * \param i_chroma The chroma fourcc to set
+ * \param i_width The width of the picture
+ * \param i_height The height of the picture
+ * \param i_aspect The aspect ratio of the picture
+ */
+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].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:
+ case FOURCC_YVU9:
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->i_planes = 3;
break;
+ case FOURCC_YUVA:
+ 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;
+ 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_pitch = p_pic->p[ V_PLANE ].i_pitch;
+ p_pic->p[ A_PLANE ].i_lines = i_height;
+ p_pic->p[ A_PLANE ].i_pitch = i_width;
+ p_pic->p[ A_PLANE ].i_visible_pitch = p_pic->p[ A_PLANE ].i_pitch;
+ p_pic->i_planes = 4;
+ break;
+
+ case FOURCC_YUVP:
+ 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 = 8;
+ p_pic->i_planes = 1;
+ break;
+
case FOURCC_Y211:
p_pic->p->i_lines = i_height;
p_pic->p->i_pitch = i_width;
p_pic->i_planes = 1;
break;
+ case FOURCC_UYVY:
case FOURCC_YUY2:
p_pic->p->i_lines = i_height;
p_pic->p->i_pitch = i_width * 2;
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;
break;
default:
- msg_Err( p_vout, "unknown chroma type 0x%.8x (%4.4s)",
+ 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++ )
- {
- i_bytes += p_pic->p[ i_index ].i_lines * p_pic->p[ i_index ].i_pitch;
- }
-
- 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_ChromaCmp: compare two chroma values
- *****************************************************************************
+/**
+ * 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)
- *****************************************************************************/
+ * 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 ! */
}
}
}
+ p_dest->date = p_src->date;
}