diff options
Diffstat (limited to 'video/mp_image.c')
| -rw-r--r-- | video/mp_image.c | 280 |
1 files changed, 280 insertions, 0 deletions
diff --git a/video/mp_image.c b/video/mp_image.c new file mode 100644 index 0000000000..c0227e4b1d --- /dev/null +++ b/video/mp_image.c @@ -0,0 +1,280 @@ +/* + * This file is part of MPlayer. + * + * MPlayer 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. + * + * MPlayer 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. + * + * You should have received a copy of the GNU General Public License along + * with MPlayer; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "config.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "talloc.h" + +#include "libmpcodecs/img_format.h" +#include "libmpcodecs/mp_image.h" +#include "libmpcodecs/sws_utils.h" + +#include "libvo/fastmemcpy.h" +#include "libavutil/mem.h" +#include "libavutil/common.h" + +void mp_image_alloc_planes(mp_image_t *mpi) { + if (mpi->imgfmt == IMGFMT_BGRA) { + mpi->stride[0]=FFALIGN(mpi->width*4,SWS_MIN_BYTE_ALIGN); + mpi->planes[0]=av_malloc(mpi->stride[0]*mpi->height); + mpi->flags|=MP_IMGFLAG_ALLOCATED; + return; + } + if (mpi->imgfmt == IMGFMT_444P16 || mpi->imgfmt == IMGFMT_444P) { + int bp = mpi->imgfmt == IMGFMT_444P16 ? 2 : 1; + mpi->stride[0]=FFALIGN(mpi->width*bp,SWS_MIN_BYTE_ALIGN); + mpi->stride[1]=mpi->stride[2]=mpi->stride[0]; + int imgsize = mpi->stride[0] * mpi->height; + mpi->planes[0]=av_malloc(imgsize*3); + mpi->planes[1]=mpi->planes[0]+imgsize; + mpi->planes[2]=mpi->planes[1]+imgsize; + mpi->flags|=MP_IMGFLAG_ALLOCATED; + return; + } + // IF09 - allocate space for 4. plane delta info - unused + if (mpi->imgfmt == IMGFMT_IF09) { + mpi->planes[0]=av_malloc(mpi->bpp*mpi->width*(mpi->height+2)/8+ + mpi->chroma_width*mpi->chroma_height); + } else + mpi->planes[0]=av_malloc(mpi->bpp*mpi->width*(mpi->height+2)/8); + if (!mpi->planes[0]) + abort(); //out of memory + if (mpi->flags&MP_IMGFLAG_PLANAR) { + // FIXME this code only supports same bpp for all planes, and bpp divisible + // by 8. Currently the case for all planar formats. + int bpp = MP_IMAGE_PLANAR_BITS_PER_PIXEL_ON_PLANE(mpi, 0) / 8; + // YV12/I420/YVU9/IF09. feel free to add other planar formats here... + mpi->stride[0]=mpi->stride[3]=bpp*mpi->width; + if(mpi->num_planes > 2){ + mpi->stride[1]=mpi->stride[2]=bpp*mpi->chroma_width; + if(mpi->flags&MP_IMGFLAG_SWAPPED){ + // I420/IYUV (Y,U,V) + mpi->planes[1]=mpi->planes[0]+mpi->stride[0]*mpi->height; + mpi->planes[2]=mpi->planes[1]+mpi->stride[1]*mpi->chroma_height; + if (mpi->num_planes > 3) + mpi->planes[3]=mpi->planes[2]+mpi->stride[2]*mpi->chroma_height; + } else { + // YV12,YVU9,IF09 (Y,V,U) + mpi->planes[2]=mpi->planes[0]+mpi->stride[0]*mpi->height; + mpi->planes[1]=mpi->planes[2]+mpi->stride[1]*mpi->chroma_height; + if (mpi->num_planes > 3) + mpi->planes[3]=mpi->planes[1]+mpi->stride[1]*mpi->chroma_height; + } + } else { + // NV12/NV21 + mpi->stride[1]=mpi->chroma_width; + mpi->planes[1]=mpi->planes[0]+mpi->stride[0]*mpi->height; + } + } else { + mpi->stride[0]=mpi->width*mpi->bpp/8; + if (mpi->flags & MP_IMGFLAG_RGB_PALETTE) + mpi->planes[1] = av_malloc(1024); + } + mpi->flags|=MP_IMGFLAG_ALLOCATED; +} + +mp_image_t* alloc_mpi(int w, int h, unsigned long int fmt) { + mp_image_t* mpi = new_mp_image(w,h); + + mp_image_setfmt(mpi,fmt); + mp_image_alloc_planes(mpi); + + return mpi; +} + +void copy_mpi(mp_image_t *dmpi, mp_image_t *mpi) { + if(mpi->flags&MP_IMGFLAG_PLANAR){ + memcpy_pic(dmpi->planes[0],mpi->planes[0], MP_IMAGE_BYTES_PER_ROW_ON_PLANE(mpi, 0), mpi->h, + dmpi->stride[0],mpi->stride[0]); + memcpy_pic(dmpi->planes[1],mpi->planes[1], MP_IMAGE_BYTES_PER_ROW_ON_PLANE(mpi, 1), mpi->chroma_height, + dmpi->stride[1],mpi->stride[1]); + memcpy_pic(dmpi->planes[2], mpi->planes[2], MP_IMAGE_BYTES_PER_ROW_ON_PLANE(mpi, 2), mpi->chroma_height, + dmpi->stride[2],mpi->stride[2]); + } else { + memcpy_pic(dmpi->planes[0],mpi->planes[0], + MP_IMAGE_BYTES_PER_ROW_ON_PLANE(mpi, 0), mpi->h, + dmpi->stride[0],mpi->stride[0]); + } +} + +void mp_image_setfmt(mp_image_t* mpi,unsigned int out_fmt){ + mpi->flags&=~(MP_IMGFLAG_PLANAR|MP_IMGFLAG_YUV|MP_IMGFLAG_SWAPPED); + mpi->imgfmt=out_fmt; + // compressed formats + if(IMGFMT_IS_HWACCEL(out_fmt)){ + mpi->bpp=0; + return; + } + mpi->num_planes=1; + if (IMGFMT_IS_RGB(out_fmt)) { + if (IMGFMT_RGB_DEPTH(out_fmt) < 8 && !(out_fmt&128)) + mpi->bpp = IMGFMT_RGB_DEPTH(out_fmt); + else + mpi->bpp=(IMGFMT_RGB_DEPTH(out_fmt)+7)&(~7); + return; + } + if (IMGFMT_IS_BGR(out_fmt)) { + if (IMGFMT_BGR_DEPTH(out_fmt) < 8 && !(out_fmt&128)) + mpi->bpp = IMGFMT_BGR_DEPTH(out_fmt); + else + mpi->bpp=(IMGFMT_BGR_DEPTH(out_fmt)+7)&(~7); + mpi->flags|=MP_IMGFLAG_SWAPPED; + return; + } + switch (out_fmt) { + case IMGFMT_BGR0: + mpi->bpp = 32; + return; + } + mpi->num_planes=3; + if (out_fmt == IMGFMT_GBRP) { + mpi->bpp=24; + mpi->flags|=MP_IMGFLAG_PLANAR; + return; + } + mpi->flags|=MP_IMGFLAG_YUV; + if (mp_get_chroma_shift(out_fmt, NULL, NULL, NULL)) { + mpi->flags|=MP_IMGFLAG_PLANAR; + mpi->bpp = mp_get_chroma_shift(out_fmt, &mpi->chroma_x_shift, &mpi->chroma_y_shift, NULL); + mpi->chroma_width = mpi->width >> mpi->chroma_x_shift; + mpi->chroma_height = mpi->height >> mpi->chroma_y_shift; + } + switch(out_fmt){ + case IMGFMT_I420: + case IMGFMT_IYUV: + mpi->flags|=MP_IMGFLAG_SWAPPED; + case IMGFMT_YV12: + return; + case IMGFMT_420A: + case IMGFMT_IF09: + mpi->num_planes=4; + case IMGFMT_YVU9: + case IMGFMT_444P: + case IMGFMT_422P: + case IMGFMT_411P: + case IMGFMT_440P: + case IMGFMT_444P16_LE: + case IMGFMT_444P16_BE: + case IMGFMT_444P10_LE: + case IMGFMT_444P10_BE: + case IMGFMT_444P9_LE: + case IMGFMT_444P9_BE: + case IMGFMT_422P16_LE: + case IMGFMT_422P16_BE: + case IMGFMT_422P10_LE: + case IMGFMT_422P10_BE: + case IMGFMT_422P9_LE: + case IMGFMT_422P9_BE: + case IMGFMT_420P16_LE: + case IMGFMT_420P16_BE: + case IMGFMT_420P10_LE: + case IMGFMT_420P10_BE: + case IMGFMT_420P9_LE: + case IMGFMT_420P9_BE: + return; + case IMGFMT_Y800: + case IMGFMT_Y8: + /* they're planar ones, but for easier handling use them as packed */ + mpi->flags&=~MP_IMGFLAG_PLANAR; + mpi->num_planes=1; + return; + case IMGFMT_UYVY: + mpi->flags|=MP_IMGFLAG_SWAPPED; + case IMGFMT_YUY2: + mpi->chroma_x_shift = 1; + mpi->chroma_y_shift = 1; + mpi->chroma_width=(mpi->width>>1); + mpi->chroma_height=(mpi->height>>1); + mpi->bpp=16; + mpi->num_planes=1; + return; + case IMGFMT_NV12: + mpi->flags|=MP_IMGFLAG_SWAPPED; + case IMGFMT_NV21: + mpi->flags|=MP_IMGFLAG_PLANAR; + mpi->bpp=12; + mpi->num_planes=2; + mpi->chroma_width=(mpi->width>>0); + mpi->chroma_height=(mpi->height>>1); + mpi->chroma_x_shift=0; + mpi->chroma_y_shift=1; + return; + } + mp_msg(MSGT_DECVIDEO,MSGL_WARN,"mp_image: unknown out_fmt: 0x%X\n",out_fmt); + mpi->bpp=0; +} + +static int mp_image_destructor(void *ptr) +{ + mp_image_t *mpi = ptr; + + if(mpi->flags&MP_IMGFLAG_ALLOCATED){ + /* because we allocate the whole image at once */ + av_free(mpi->planes[0]); + if (mpi->flags & MP_IMGFLAG_RGB_PALETTE) + av_free(mpi->planes[1]); + } + + return 0; +} + +mp_image_t* new_mp_image(int w,int h){ + mp_image_t* mpi = talloc_zero(NULL, mp_image_t); + talloc_set_destructor(mpi, mp_image_destructor); + mpi->width=mpi->w=w; + mpi->height=mpi->h=h; + return mpi; +} + +void free_mp_image(mp_image_t* mpi){ + talloc_free(mpi); +} + +enum mp_csp mp_image_csp(struct mp_image *img) +{ + if (img->colorspace != MP_CSP_AUTO) + return img->colorspace; + return (img->flags & MP_IMGFLAG_YUV) ? MP_CSP_BT_601 : MP_CSP_RGB; +} + +enum mp_csp_levels mp_image_levels(struct mp_image *img) +{ + if (img->levels != MP_CSP_LEVELS_AUTO) + return img->levels; + return (img->flags & MP_IMGFLAG_YUV) ? MP_CSP_LEVELS_TV : MP_CSP_LEVELS_PC; +} + +void mp_image_set_colorspace_details(struct mp_image *image, + struct mp_csp_details *csp) +{ + if (image->flags & MP_IMGFLAG_YUV) { + image->colorspace = csp->format; + if (image->colorspace == MP_CSP_AUTO) + image->colorspace = MP_CSP_BT_601; + image->levels = csp->levels_in; + if (image->levels == MP_CSP_LEVELS_AUTO) + image->levels = MP_CSP_LEVELS_TV; + } else { + image->colorspace = MP_CSP_RGB; + image->levels = MP_CSP_LEVELS_PC; + } +} |