/*****************************************************************************
- * frame.c: h264 encoder library
+ * frame.c: frame handling
*****************************************************************************
- * Copyright (C) 2003-2008 x264 project
+ * Copyright (C) 2003-2010 x264 project
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Loren Merritt <lorenm@u.washington.edu>
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
+ *
+ * This program is also available under a commercial proprietary license.
+ * For more information, contact us at licensing@x264.com.
*****************************************************************************/
#include "common.h"
+static int align_stride( int x, int align, int disalign )
+{
+ x = ALIGN( x, align );
+ if( !(x&(disalign-1)) )
+ x += align;
+ return x;
+}
+
+static int align_plane_size( int x, int disalign )
+{
+ if( !(x&(disalign-1)) )
+ x += 128;
+ return x;
+}
+
x264_frame_t *x264_frame_new( x264_t *h, int b_fdec )
{
x264_frame_t *frame;
int i_mb_count = h->mb.i_mb_count;
int i_stride, i_width, i_lines;
int i_padv = PADV << h->param.b_interlaced;
- int luma_plane_size;
- int chroma_plane_size;
+ int luma_plane_size, chroma_plane_size;
int align = h->param.cpu&X264_CPU_CACHELINE_64 ? 64 : h->param.cpu&X264_CPU_CACHELINE_32 ? 32 : 16;
+ int disalign = h->param.cpu&X264_CPU_ALTIVEC ? 1<<9 : 1<<10;
CHECKED_MALLOCZERO( frame, sizeof(x264_frame_t) );
/* allocate frame data (+64 for extra data for me) */
i_width = h->mb.i_mb_width*16;
- i_stride = ALIGN( i_width + 2*PADH, align );
i_lines = h->mb.i_mb_height*16;
+ i_stride = align_stride( i_width + 2*PADH, align, disalign );
- frame->i_plane = 3;
- for( int i = 0; i < 3; i++ )
+ frame->i_plane = 2;
+ for( int i = 0; i < 2; i++ )
{
- frame->i_stride[i] = ALIGN( i_stride >> !!i, align );
- frame->i_width[i] = i_width >> !!i;
- frame->i_lines[i] = i_lines >> !!i;
+ frame->i_width[i] = i_width >> i;
+ frame->i_lines[i] = i_lines >> i;
+ frame->i_stride[i] = i_stride;
}
- luma_plane_size = (frame->i_stride[0] * (frame->i_lines[0] + 2*i_padv));
- chroma_plane_size = (frame->i_stride[1] * (frame->i_lines[1] + 2*i_padv));
- for( int i = 1; i < 3; i++ )
- {
- CHECKED_MALLOC( frame->buffer[i], chroma_plane_size * sizeof(pixel) );
- frame->plane[i] = frame->buffer[i] + (frame->i_stride[i] * i_padv + PADH)/2;
- }
+ frame->i_width_lowres = frame->i_width[0]/2;
+ frame->i_lines_lowres = frame->i_lines[0]/2;
+ frame->i_stride_lowres = align_stride( frame->i_width_lowres + 2*PADH, align, disalign<<1 );
for( int i = 0; i < h->param.i_bframe + 2; i++ )
for( int j = 0; j < h->param.i_bframe + 2; j++ )
frame->orig = frame;
+ luma_plane_size = align_plane_size( frame->i_stride[0] * (frame->i_lines[0] + 2*i_padv), disalign );
+ chroma_plane_size = (frame->i_stride[1] * (frame->i_lines[1] + i_padv));
+
+ CHECKED_MALLOC( frame->buffer[1], chroma_plane_size * sizeof(pixel) );
+ frame->plane[1] = frame->buffer[1] + frame->i_stride[1] * i_padv/2 + PADH;
+
/* all 4 luma planes allocated together, since the cacheline split code
* requires them to be in-phase wrt cacheline alignment. */
if( h->param.analyse.i_subpel_refine && b_fdec )
{
if( h->frames.b_have_lowres )
{
- frame->i_width_lowres = frame->i_width[0]/2;
- frame->i_stride_lowres = ALIGN( frame->i_width_lowres + 2*PADH, align );
- frame->i_lines_lowres = frame->i_lines[0]/2;
-
- luma_plane_size = frame->i_stride_lowres * (frame->i_lines[0]/2 + 2*PADV);
+ luma_plane_size = align_plane_size( frame->i_stride_lowres * (frame->i_lines[0]/2 + 2*PADV), disalign );
CHECKED_MALLOC( frame->buffer_lowres[0], 4 * luma_plane_size * sizeof(pixel) );
for( int i = 0; i < 4; i++ )
x264_free( frame );
}
+static int get_plane_ptr( x264_t *h, x264_picture_t *src, uint8_t **pix, int *stride, int plane, int xshift, int yshift )
+{
+ int width = h->param.i_width >> xshift;
+ int height = h->param.i_height >> yshift;
+ *pix = src->img.plane[plane];
+ *stride = src->img.i_stride[plane];
+ if( src->img.i_csp & X264_CSP_VFLIP )
+ {
+ *pix += (height-1) * *stride;
+ *stride = -*stride;
+ }
+ if( width > abs(*stride) )
+ {
+ x264_log( h, X264_LOG_ERROR, "Input picture width (%d) is greater than stride (%d)\n", width, *stride );
+ return -1;
+ }
+ return 0;
+}
+
+#define get_plane_ptr(...) do{ if( get_plane_ptr(__VA_ARGS__) < 0 ) return -1; }while(0)
+
int x264_frame_copy_picture( x264_t *h, x264_frame_t *dst, x264_picture_t *src )
{
int i_csp = src->img.i_csp & X264_CSP_MASK;
- if( i_csp != X264_CSP_I420 && i_csp != X264_CSP_YV12 )
+ if( i_csp <= X264_CSP_NONE || i_csp >= X264_CSP_MAX )
{
x264_log( h, X264_LOG_ERROR, "Invalid input colorspace\n" );
return -1;
}
+#if X264_HIGH_BIT_DEPTH
+ if( !(src->img.i_csp & X264_CSP_HIGH_DEPTH) )
+ {
+ x264_log( h, X264_LOG_ERROR, "This build of x264 requires high depth input. Rebuild to support 8-bit input.\n" );
+ return -1;
+ }
+#else
+ if( src->img.i_csp & X264_CSP_HIGH_DEPTH )
+ {
+ x264_log( h, X264_LOG_ERROR, "This build of x264 requires 8-bit input. Rebuild to support high depth input.\n" );
+ return -1;
+ }
+#endif
+
dst->i_type = src->i_type;
dst->i_qpplus1 = src->i_qpplus1;
dst->i_pts = dst->i_reordered_pts = src->i_pts;
dst->param = src->param;
dst->i_pic_struct = src->i_pic_struct;
-
- for( int i = 0; i < 3; i++ )
+ dst->extra_sei = src->extra_sei;
+
+ uint8_t *pix[3];
+ int stride[3];
+ get_plane_ptr( h, src, &pix[0], &stride[0], 0, 0, 0 );
+ h->mc.plane_copy( dst->plane[0], dst->i_stride[0], pix[0], stride[0],
+ h->param.i_width, h->param.i_height );
+ if( i_csp == X264_CSP_NV12 )
{
- int s = (i_csp == X264_CSP_YV12 && i) ? i^3 : i;
- uint8_t *plane = src->img.plane[s];
- int stride = src->img.i_stride[s];
- int width = h->param.i_width >> !!i;
- int height = h->param.i_height >> !!i;
- if( src->img.i_csp & X264_CSP_VFLIP )
- {
- plane += (height-1)*stride;
- stride = -stride;
- }
- if( width > abs(stride) )
- {
- x264_log( h, X264_LOG_ERROR, "Input picture width is greater than stride\n" );
- return -1;
- }
- h->mc.plane_copy( dst->plane[i], dst->i_stride[i], plane, stride, width, height );
+ get_plane_ptr( h, src, &pix[1], &stride[1], 1, 0, 1 );
+ h->mc.plane_copy( dst->plane[1], dst->i_stride[1], pix[1], stride[1],
+ h->param.i_width, h->param.i_height>>1 );
+ }
+ else
+ {
+ get_plane_ptr( h, src, &pix[1], &stride[1], i_csp==X264_CSP_I420 ? 1 : 2, 1, 1 );
+ get_plane_ptr( h, src, &pix[2], &stride[2], i_csp==X264_CSP_I420 ? 2 : 1, 1, 1 );
+ h->mc.plane_copy_interleave( dst->plane[1], dst->i_stride[1],
+ pix[1], stride[1], pix[2], stride[2],
+ h->param.i_width>>1, h->param.i_height>>1 );
}
return 0;
}
-static void ALWAYS_INLINE pixel_memset( pixel *dst, int value, int size )
+static void ALWAYS_INLINE pixel_memset( pixel *dst, pixel *src, int len, int size )
{
- for( int i = 0; i < size; i++ )
- dst[i] = value;
+ uint8_t *dstp = (uint8_t*)dst;
+ if( size == 1 )
+ memset(dst, *src, len);
+ else if( size == 2 )
+ {
+ int v = M16( src );
+ for( int i = 0; i < len; i++ )
+ M16( dstp+i*2 ) = v;
+ }
+ else if( size == 4 )
+ {
+ int v = M32( src );
+ for( int i = 0; i < len; i++ )
+ M32( dstp+i*4 ) = v;
+ }
}
-static void plane_expand_border( pixel *pix, int i_stride, int i_width, int i_height, int i_padh, int i_padv, int b_pad_top, int b_pad_bottom )
+static void plane_expand_border( pixel *pix, int i_stride, int i_width, int i_height, int i_padh, int i_padv, int b_pad_top, int b_pad_bottom, int b_chroma )
{
#define PPIXEL(x, y) ( pix + (x) + (y)*i_stride )
for( int y = 0; y < i_height; y++ )
{
/* left band */
- pixel_memset( PPIXEL(-i_padh, y), PPIXEL(0, y)[0], i_padh );
+ pixel_memset( PPIXEL(-i_padh, y), PPIXEL(0, y), i_padh>>b_chroma, sizeof(pixel)<<b_chroma );
/* right band */
- pixel_memset( PPIXEL(i_width, y), PPIXEL(i_width-1, y)[0], i_padh );
+ pixel_memset( PPIXEL(i_width, y), PPIXEL(i_width-1-b_chroma, y), i_padh>>b_chroma, sizeof(pixel)<<b_chroma );
}
/* upper band */
if( b_pad_top )
for( int i = 0; i < frame->i_plane; i++ )
{
int stride = frame->i_stride[i];
- int width = 16*h->mb.i_mb_width >> !!i;
+ int width = 16*h->sps->i_mb_width;
int height = (b_end ? 16*(h->mb.i_mb_height - mb_y) >> h->sh.b_mbaff : 16) >> !!i;
- int padh = PADH >> !!i;
+ int padh = PADH;
int padv = PADV >> !!i;
// buffer: 2 chroma, 3 luma (rounded to 4) because deblocking goes beyond the top of the mb
pixel *pix = frame->plane[i] + X264_MAX(0, (16*mb_y-4)*stride >> !!i);
height += 4 >> (!!i + h->sh.b_mbaff);
if( h->sh.b_mbaff )
{
- plane_expand_border( pix, stride*2, width, height, padh, padv, b_start, b_end );
- plane_expand_border( pix+stride, stride*2, width, height, padh, padv, b_start, b_end );
+ plane_expand_border( pix, stride*2, width, height, padh, padv, b_start, b_end, i );
+ plane_expand_border( pix+stride, stride*2, width, height, padh, padv, b_start, b_end, i );
}
else
{
- plane_expand_border( pix, stride, width, height, padh, padv, b_start, b_end );
+ plane_expand_border( pix, stride, width, height, padh, padv, b_start, b_end, i );
}
}
}
pixel *pix = frame->filtered[i] + (16*mb_y - (8 << h->sh.b_mbaff)) * stride - 4;
if( h->sh.b_mbaff )
{
- plane_expand_border( pix, stride*2, width, height, padh, padv, b_start, b_end );
- plane_expand_border( pix+stride, stride*2, width, height, padh, padv, b_start, b_end );
+ plane_expand_border( pix, stride*2, width, height, padh, padv, b_start, b_end, 0 );
+ plane_expand_border( pix+stride, stride*2, width, height, padh, padv, b_start, b_end, 0 );
}
else
- plane_expand_border( pix, stride, width, height, padh, padv, b_start, b_end );
+ plane_expand_border( pix, stride, width, height, padh, padv, b_start, b_end, 0 );
}
}
void x264_frame_expand_border_lowres( x264_frame_t *frame )
{
for( int i = 0; i < 4; i++ )
- plane_expand_border( frame->lowres[i], frame->i_stride_lowres, frame->i_width_lowres, frame->i_lines_lowres, PADH, PADV, 1, 1 );
+ plane_expand_border( frame->lowres[i], frame->i_stride_lowres, frame->i_width_lowres, frame->i_lines_lowres, PADH, PADV, 1, 1, 0 );
}
void x264_frame_expand_border_mod16( x264_t *h, x264_frame_t *frame )
{
for( int i = 0; i < frame->i_plane; i++ )
{
- int i_subsample = i ? 1 : 0;
- int i_width = h->param.i_width >> i_subsample;
- int i_height = h->param.i_height >> i_subsample;
- int i_padx = (h->mb.i_mb_width * 16 - h->param.i_width) >> i_subsample;
- int i_pady = (h->mb.i_mb_height * 16 - h->param.i_height) >> i_subsample;
+ int i_width = h->param.i_width;
+ int i_height = h->param.i_height >> !!i;
+ int i_padx = (h->mb.i_mb_width * 16 - h->param.i_width);
+ int i_pady = (h->mb.i_mb_height * 16 - h->param.i_height) >> !!i;
if( i_padx )
{
for( int y = 0; y < i_height; y++ )
- {
- pixel value = frame->plane[i][y*frame->i_stride[i] + i_width - 1];
- pixel_memset( &frame->plane[i][y*frame->i_stride[i] + i_width], value, i_padx );
- }
+ pixel_memset( &frame->plane[i][y*frame->i_stride[i] + i_width],
+ &frame->plane[i][y*frame->i_stride[i] + i_width - 1-i],
+ i_padx>>i, sizeof(pixel)<<i );
}
if( i_pady )
{
projects / x264 / blobdiff