| /* |
| * pixel format descriptor |
| * Copyright (c) 2009 Michael Niedermayer <michaelni@gmx.at> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include "pixfmt.h" |
| #include "pixdesc.h" |
| |
| #include "intreadwrite.h" |
| |
| void av_read_image_line(uint16_t *dst, const uint8_t *data[4], const int linesize[4], |
| const AVPixFmtDescriptor *desc, int x, int y, int c, int w, int read_pal_component) |
| { |
| AVComponentDescriptor comp= desc->comp[c]; |
| int plane= comp.plane; |
| int depth= comp.depth_minus1+1; |
| int mask = (1<<depth)-1; |
| int shift= comp.shift; |
| int step = comp.step_minus1+1; |
| int flags= desc->flags; |
| |
| if (flags & PIX_FMT_BITSTREAM){ |
| int skip = x*step + comp.offset_plus1-1; |
| const uint8_t *p = data[plane] + y*linesize[plane] + (skip>>3); |
| int shift = 8 - depth - (skip&7); |
| |
| while(w--){ |
| int val = (*p >> shift) & mask; |
| if(read_pal_component) |
| val= data[1][4*val + c]; |
| shift -= step; |
| p -= shift>>3; |
| shift &= 7; |
| *dst++= val; |
| } |
| } else { |
| const uint8_t *p = data[plane]+ y*linesize[plane] + x*step + comp.offset_plus1-1; |
| int is_8bit = shift + depth <= 8; |
| |
| if (is_8bit) |
| p += !!(flags & PIX_FMT_BE); |
| |
| while(w--){ |
| int val = is_8bit ? *p : |
| flags & PIX_FMT_BE ? AV_RB16(p) : AV_RL16(p); |
| val = (val>>shift) & mask; |
| if(read_pal_component) |
| val= data[1][4*val + c]; |
| p+= step; |
| *dst++= val; |
| } |
| } |
| } |
| |
| void av_write_image_line(const uint16_t *src, uint8_t *data[4], const int linesize[4], |
| const AVPixFmtDescriptor *desc, int x, int y, int c, int w) |
| { |
| AVComponentDescriptor comp = desc->comp[c]; |
| int plane = comp.plane; |
| int depth = comp.depth_minus1+1; |
| int step = comp.step_minus1+1; |
| int flags = desc->flags; |
| |
| if (flags & PIX_FMT_BITSTREAM) { |
| int skip = x*step + comp.offset_plus1-1; |
| uint8_t *p = data[plane] + y*linesize[plane] + (skip>>3); |
| int shift = 8 - depth - (skip&7); |
| |
| while (w--) { |
| *p |= *src++ << shift; |
| shift -= step; |
| p -= shift>>3; |
| shift &= 7; |
| } |
| } else { |
| int shift = comp.shift; |
| uint8_t *p = data[plane]+ y*linesize[plane] + x*step + comp.offset_plus1-1; |
| |
| if (shift + depth <= 8) { |
| p += !!(flags & PIX_FMT_BE); |
| while (w--) { |
| *p |= (*src++<<shift); |
| p += step; |
| } |
| } else { |
| while (w--) { |
| if (flags & PIX_FMT_BE) { |
| uint16_t val = AV_RB16(p) | (*src++<<shift); |
| AV_WB16(p, val); |
| } else { |
| uint16_t val = AV_RL16(p) | (*src++<<shift); |
| AV_WL16(p, val); |
| } |
| p+= step; |
| } |
| } |
| } |
| } |
| |
| const AVPixFmtDescriptor av_pix_fmt_descriptors[PIX_FMT_NB] = { |
| [PIX_FMT_YUV420P] = { |
| .name = "yuv420p", |
| .nb_components= 3, |
| .log2_chroma_w= 1, |
| .log2_chroma_h= 1, |
| .comp = { |
| {0,0,1,0,7}, /* Y */ |
| {1,0,1,0,7}, /* U */ |
| {2,0,1,0,7}, /* V */ |
| }, |
| }, |
| [PIX_FMT_YUYV422] = { |
| .name = "yuyv422", |
| .nb_components= 3, |
| .log2_chroma_w= 1, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,1,0,7}, /* Y */ |
| {0,3,2,0,7}, /* U */ |
| {0,3,4,0,7}, /* V */ |
| }, |
| }, |
| [PIX_FMT_RGB24] = { |
| .name = "rgb24", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,2,1,0,7}, /* R */ |
| {0,2,2,0,7}, /* G */ |
| {0,2,3,0,7}, /* B */ |
| }, |
| }, |
| [PIX_FMT_BGR24] = { |
| .name = "bgr24", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,2,1,0,7}, /* B */ |
| {0,2,2,0,7}, /* G */ |
| {0,2,3,0,7}, /* R */ |
| }, |
| }, |
| [PIX_FMT_YUV422P] = { |
| .name = "yuv422p", |
| .nb_components= 3, |
| .log2_chroma_w= 1, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,0,1,0,7}, /* Y */ |
| {1,0,1,0,7}, /* U */ |
| {2,0,1,0,7}, /* V */ |
| }, |
| }, |
| [PIX_FMT_YUV444P] = { |
| .name = "yuv444p", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,0,1,0,7}, /* Y */ |
| {1,0,1,0,7}, /* U */ |
| {2,0,1,0,7}, /* V */ |
| }, |
| }, |
| [PIX_FMT_YUV410P] = { |
| .name = "yuv410p", |
| .nb_components= 3, |
| .log2_chroma_w= 2, |
| .log2_chroma_h= 2, |
| .comp = { |
| {0,0,1,0,7}, /* Y */ |
| {1,0,1,0,7}, /* U */ |
| {2,0,1,0,7}, /* V */ |
| }, |
| }, |
| [PIX_FMT_YUV411P] = { |
| .name = "yuv411p", |
| .nb_components= 3, |
| .log2_chroma_w= 2, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,0,1,0,7}, /* Y */ |
| {1,0,1,0,7}, /* U */ |
| {2,0,1,0,7}, /* V */ |
| }, |
| }, |
| [PIX_FMT_GRAY8] = { |
| .name = "gray", |
| .nb_components= 1, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,0,1,0,7}, /* Y */ |
| }, |
| .flags = PIX_FMT_PAL, |
| }, |
| [PIX_FMT_MONOWHITE] = { |
| .name = "monow", |
| .nb_components= 1, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,0,1,0,0}, /* Y */ |
| }, |
| .flags = PIX_FMT_BITSTREAM, |
| }, |
| [PIX_FMT_MONOBLACK] = { |
| .name = "monob", |
| .nb_components= 1, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,0,1,7,0}, /* Y */ |
| }, |
| .flags = PIX_FMT_BITSTREAM, |
| }, |
| [PIX_FMT_PAL8] = { |
| .name = "pal8", |
| .nb_components= 1, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,0,1,0,7}, |
| }, |
| .flags = PIX_FMT_PAL, |
| }, |
| [PIX_FMT_YUVJ420P] = { |
| .name = "yuvj420p", |
| .nb_components= 3, |
| .log2_chroma_w= 1, |
| .log2_chroma_h= 1, |
| .comp = { |
| {0,0,1,0,7}, /* Y */ |
| {1,0,1,0,7}, /* U */ |
| {2,0,1,0,7}, /* V */ |
| }, |
| }, |
| [PIX_FMT_YUVJ422P] = { |
| .name = "yuvj422p", |
| .nb_components= 3, |
| .log2_chroma_w= 1, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,0,1,0,7}, /* Y */ |
| {1,0,1,0,7}, /* U */ |
| {2,0,1,0,7}, /* V */ |
| }, |
| }, |
| [PIX_FMT_YUVJ444P] = { |
| .name = "yuvj444p", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,0,1,0,7}, /* Y */ |
| {1,0,1,0,7}, /* U */ |
| {2,0,1,0,7}, /* V */ |
| }, |
| }, |
| [PIX_FMT_XVMC_MPEG2_MC] = { |
| .name = "xvmcmc", |
| .flags = PIX_FMT_HWACCEL, |
| }, |
| [PIX_FMT_XVMC_MPEG2_IDCT] = { |
| .name = "xvmcidct", |
| .flags = PIX_FMT_HWACCEL, |
| }, |
| [PIX_FMT_UYVY422] = { |
| .name = "uyvy422", |
| .nb_components= 3, |
| .log2_chroma_w= 1, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,2,0,7}, /* Y */ |
| {0,3,1,0,7}, /* U */ |
| {0,3,3,0,7}, /* V */ |
| }, |
| }, |
| [PIX_FMT_UYYVYY411] = { |
| .name = "uyyvyy411", |
| .nb_components= 3, |
| .log2_chroma_w= 2, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,3,2,0,7}, /* Y */ |
| {0,5,1,0,7}, /* U */ |
| {0,5,4,0,7}, /* V */ |
| }, |
| }, |
| [PIX_FMT_BGR8] = { |
| .name = "bgr8", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,0,1,6,1}, /* B */ |
| {0,0,1,3,2}, /* G */ |
| {0,0,1,0,2}, /* R */ |
| }, |
| .flags = PIX_FMT_PAL, |
| }, |
| [PIX_FMT_BGR4] = { |
| .name = "bgr4", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,3,1,0,0}, /* B */ |
| {0,3,2,0,1}, /* G */ |
| {0,3,4,0,0}, /* R */ |
| }, |
| .flags = PIX_FMT_BITSTREAM, |
| }, |
| [PIX_FMT_BGR4_BYTE] = { |
| .name = "bgr4_byte", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,0,1,3,0}, /* B */ |
| {0,0,1,1,1}, /* G */ |
| {0,0,1,0,0}, /* R */ |
| }, |
| .flags = PIX_FMT_PAL, |
| }, |
| [PIX_FMT_RGB8] = { |
| .name = "rgb8", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,0,1,6,1}, /* R */ |
| {0,0,1,3,2}, /* G */ |
| {0,0,1,0,2}, /* B */ |
| }, |
| .flags = PIX_FMT_PAL, |
| }, |
| [PIX_FMT_RGB4] = { |
| .name = "rgb4", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,3,1,0,0}, /* R */ |
| {0,3,2,0,1}, /* G */ |
| {0,3,4,0,0}, /* B */ |
| }, |
| .flags = PIX_FMT_BITSTREAM, |
| }, |
| [PIX_FMT_RGB4_BYTE] = { |
| .name = "rgb4_byte", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,0,1,3,0}, /* R */ |
| {0,0,1,1,1}, /* G */ |
| {0,0,1,0,0}, /* B */ |
| }, |
| .flags = PIX_FMT_PAL, |
| }, |
| [PIX_FMT_NV12] = { |
| .name = "nv12", |
| .nb_components= 3, |
| .log2_chroma_w= 1, |
| .log2_chroma_h= 1, |
| .comp = { |
| {0,0,1,0,7}, /* Y */ |
| {1,1,1,0,7}, /* U */ |
| {1,1,2,0,7}, /* V */ |
| }, |
| }, |
| [PIX_FMT_NV21] = { |
| .name = "nv21", |
| .nb_components= 3, |
| .log2_chroma_w= 1, |
| .log2_chroma_h= 1, |
| .comp = { |
| {0,0,1,0,7}, /* Y */ |
| {1,1,1,0,7}, /* V */ |
| {1,1,2,0,7}, /* U */ |
| }, |
| }, |
| [PIX_FMT_ARGB] = { |
| .name = "argb", |
| .nb_components= 4, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,3,1,0,7}, /* A */ |
| {0,3,2,0,7}, /* R */ |
| {0,3,3,0,7}, /* G */ |
| {0,3,4,0,7}, /* B */ |
| }, |
| }, |
| [PIX_FMT_RGBA] = { |
| .name = "rgba", |
| .nb_components= 4, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,3,1,0,7}, /* R */ |
| {0,3,2,0,7}, /* G */ |
| {0,3,3,0,7}, /* B */ |
| {0,3,4,0,7}, /* A */ |
| }, |
| }, |
| [PIX_FMT_ABGR] = { |
| .name = "abgr", |
| .nb_components= 4, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,3,1,0,7}, /* A */ |
| {0,3,2,0,7}, /* B */ |
| {0,3,3,0,7}, /* G */ |
| {0,3,4,0,7}, /* R */ |
| }, |
| }, |
| [PIX_FMT_BGRA] = { |
| .name = "bgra", |
| .nb_components= 4, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,3,1,0,7}, /* B */ |
| {0,3,2,0,7}, /* G */ |
| {0,3,3,0,7}, /* R */ |
| {0,3,4,0,7}, /* A */ |
| }, |
| }, |
| [PIX_FMT_GRAY16BE] = { |
| .name = "gray16be", |
| .nb_components= 1, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,1,0,15}, /* Y */ |
| }, |
| .flags = PIX_FMT_BE, |
| }, |
| [PIX_FMT_GRAY16LE] = { |
| .name = "gray16le", |
| .nb_components= 1, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,1,0,15}, /* Y */ |
| }, |
| }, |
| [PIX_FMT_YUV440P] = { |
| .name = "yuv440p", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 1, |
| .comp = { |
| {0,0,1,0,7}, /* Y */ |
| {1,0,1,0,7}, /* U */ |
| {2,0,1,0,7}, /* V */ |
| }, |
| }, |
| [PIX_FMT_YUVJ440P] = { |
| .name = "yuvj440p", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 1, |
| .comp = { |
| {0,0,1,0,7}, /* Y */ |
| {1,0,1,0,7}, /* U */ |
| {2,0,1,0,7}, /* V */ |
| }, |
| }, |
| [PIX_FMT_YUVA420P] = { |
| .name = "yuva420p", |
| .nb_components= 4, |
| .log2_chroma_w= 1, |
| .log2_chroma_h= 1, |
| .comp = { |
| {0,0,1,0,7}, /* Y */ |
| {1,0,1,0,7}, /* U */ |
| {2,0,1,0,7}, /* V */ |
| {3,0,1,0,7}, /* A */ |
| }, |
| }, |
| [PIX_FMT_VDPAU_H264] = { |
| .name = "vdpau_h264", |
| .log2_chroma_w = 1, |
| .log2_chroma_h = 1, |
| .flags = PIX_FMT_HWACCEL, |
| }, |
| [PIX_FMT_VDPAU_MPEG1] = { |
| .name = "vdpau_mpeg1", |
| .log2_chroma_w = 1, |
| .log2_chroma_h = 1, |
| .flags = PIX_FMT_HWACCEL, |
| }, |
| [PIX_FMT_VDPAU_MPEG2] = { |
| .name = "vdpau_mpeg2", |
| .log2_chroma_w = 1, |
| .log2_chroma_h = 1, |
| .flags = PIX_FMT_HWACCEL, |
| }, |
| [PIX_FMT_VDPAU_WMV3] = { |
| .name = "vdpau_wmv3", |
| .log2_chroma_w = 1, |
| .log2_chroma_h = 1, |
| .flags = PIX_FMT_HWACCEL, |
| }, |
| [PIX_FMT_VDPAU_VC1] = { |
| .name = "vdpau_vc1", |
| .log2_chroma_w = 1, |
| .log2_chroma_h = 1, |
| .flags = PIX_FMT_HWACCEL, |
| }, |
| [PIX_FMT_VDPAU_MPEG4] = { |
| .name = "vdpau_mpeg4", |
| .log2_chroma_w = 1, |
| .log2_chroma_h = 1, |
| .flags = PIX_FMT_HWACCEL, |
| }, |
| [PIX_FMT_RGB48BE] = { |
| .name = "rgb48be", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,5,1,0,15}, /* R */ |
| {0,5,3,0,15}, /* G */ |
| {0,5,5,0,15}, /* B */ |
| }, |
| .flags = PIX_FMT_BE, |
| }, |
| [PIX_FMT_RGB48LE] = { |
| .name = "rgb48le", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,5,1,0,15}, /* R */ |
| {0,5,3,0,15}, /* G */ |
| {0,5,5,0,15}, /* B */ |
| }, |
| }, |
| [PIX_FMT_RGB565BE] = { |
| .name = "rgb565be", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,0,3,4}, /* R */ |
| {0,1,1,5,5}, /* G */ |
| {0,1,1,0,4}, /* B */ |
| }, |
| .flags = PIX_FMT_BE, |
| }, |
| [PIX_FMT_RGB565LE] = { |
| .name = "rgb565le", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,2,3,4}, /* R */ |
| {0,1,1,5,5}, /* G */ |
| {0,1,1,0,4}, /* B */ |
| }, |
| }, |
| [PIX_FMT_RGB555BE] = { |
| .name = "rgb555be", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,0,2,4}, /* R */ |
| {0,1,1,5,4}, /* G */ |
| {0,1,1,0,4}, /* B */ |
| }, |
| .flags = PIX_FMT_BE, |
| }, |
| [PIX_FMT_RGB555LE] = { |
| .name = "rgb555le", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,2,2,4}, /* R */ |
| {0,1,1,5,4}, /* G */ |
| {0,1,1,0,4}, /* B */ |
| }, |
| }, |
| [PIX_FMT_RGB444BE] = { |
| .name = "rgb444be", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,0,0,3}, /* R */ |
| {0,1,1,4,3}, /* G */ |
| {0,1,1,0,3}, /* B */ |
| }, |
| .flags = PIX_FMT_BE, |
| }, |
| [PIX_FMT_RGB444LE] = { |
| .name = "rgb444le", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,2,0,3}, /* R */ |
| {0,1,1,4,3}, /* G */ |
| {0,1,1,0,3}, /* B */ |
| }, |
| }, |
| [PIX_FMT_BGR48BE] = { |
| .name = "bgr48be", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,5,1,0,15}, /* B */ |
| {0,5,3,0,15}, /* G */ |
| {0,5,5,0,15}, /* R */ |
| }, |
| .flags = PIX_FMT_BE, |
| }, |
| [PIX_FMT_BGR48LE] = { |
| .name = "bgr48le", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,5,1,0,15}, /* B */ |
| {0,5,3,0,15}, /* G */ |
| {0,5,5,0,15}, /* R */ |
| }, |
| }, |
| [PIX_FMT_BGR565BE] = { |
| .name = "bgr565be", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,0,3,4}, /* B */ |
| {0,1,1,5,5}, /* G */ |
| {0,1,1,0,4}, /* R */ |
| }, |
| .flags = PIX_FMT_BE, |
| }, |
| [PIX_FMT_BGR565LE] = { |
| .name = "bgr565le", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,2,3,4}, /* B */ |
| {0,1,1,5,5}, /* G */ |
| {0,1,1,0,4}, /* R */ |
| }, |
| }, |
| [PIX_FMT_BGR555BE] = { |
| .name = "bgr555be", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,0,2,4}, /* B */ |
| {0,1,1,5,4}, /* G */ |
| {0,1,1,0,4}, /* R */ |
| }, |
| .flags = PIX_FMT_BE, |
| }, |
| [PIX_FMT_BGR555LE] = { |
| .name = "bgr555le", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,2,2,4}, /* B */ |
| {0,1,1,5,4}, /* G */ |
| {0,1,1,0,4}, /* R */ |
| }, |
| }, |
| [PIX_FMT_BGR444BE] = { |
| .name = "bgr444be", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,0,0,3}, /* B */ |
| {0,1,1,4,3}, /* G */ |
| {0,1,1,0,3}, /* R */ |
| }, |
| .flags = PIX_FMT_BE, |
| }, |
| [PIX_FMT_BGR444LE] = { |
| .name = "bgr444le", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,2,0,3}, /* B */ |
| {0,1,1,4,3}, /* G */ |
| {0,1,1,0,3}, /* R */ |
| }, |
| }, |
| [PIX_FMT_VAAPI_MOCO] = { |
| .name = "vaapi_moco", |
| .log2_chroma_w = 1, |
| .log2_chroma_h = 1, |
| .flags = PIX_FMT_HWACCEL, |
| }, |
| [PIX_FMT_VAAPI_IDCT] = { |
| .name = "vaapi_idct", |
| .log2_chroma_w = 1, |
| .log2_chroma_h = 1, |
| .flags = PIX_FMT_HWACCEL, |
| }, |
| [PIX_FMT_VAAPI_VLD] = { |
| .name = "vaapi_vld", |
| .log2_chroma_w = 1, |
| .log2_chroma_h = 1, |
| .flags = PIX_FMT_HWACCEL, |
| }, |
| [PIX_FMT_YUV420P9LE] = { |
| .name = "yuv420p9le", |
| .nb_components= 3, |
| .log2_chroma_w= 1, |
| .log2_chroma_h= 1, |
| .comp = { |
| {0,1,1,0,8}, /* Y */ |
| {1,1,1,0,8}, /* U */ |
| {2,1,1,0,8}, /* V */ |
| }, |
| }, |
| [PIX_FMT_YUV420P9BE] = { |
| .name = "yuv420p9be", |
| .nb_components= 3, |
| .log2_chroma_w= 1, |
| .log2_chroma_h= 1, |
| .comp = { |
| {0,1,1,0,8}, /* Y */ |
| {1,1,1,0,8}, /* U */ |
| {2,1,1,0,8}, /* V */ |
| }, |
| .flags = PIX_FMT_BE, |
| }, |
| [PIX_FMT_YUV420P10LE] = { |
| .name = "yuv420p10le", |
| .nb_components= 3, |
| .log2_chroma_w= 1, |
| .log2_chroma_h= 1, |
| .comp = { |
| {0,1,1,0,9}, /* Y */ |
| {1,1,1,0,9}, /* U */ |
| {2,1,1,0,9}, /* V */ |
| }, |
| }, |
| [PIX_FMT_YUV420P10BE] = { |
| .name = "yuv420p10be", |
| .nb_components= 3, |
| .log2_chroma_w= 1, |
| .log2_chroma_h= 1, |
| .comp = { |
| {0,1,1,0,9}, /* Y */ |
| {1,1,1,0,9}, /* U */ |
| {2,1,1,0,9}, /* V */ |
| }, |
| .flags = PIX_FMT_BE, |
| }, |
| [PIX_FMT_YUV420P16LE] = { |
| .name = "yuv420p16le", |
| .nb_components= 3, |
| .log2_chroma_w= 1, |
| .log2_chroma_h= 1, |
| .comp = { |
| {0,1,1,0,15}, /* Y */ |
| {1,1,1,0,15}, /* U */ |
| {2,1,1,0,15}, /* V */ |
| }, |
| }, |
| [PIX_FMT_YUV420P16BE] = { |
| .name = "yuv420p16be", |
| .nb_components= 3, |
| .log2_chroma_w= 1, |
| .log2_chroma_h= 1, |
| .comp = { |
| {0,1,1,0,15}, /* Y */ |
| {1,1,1,0,15}, /* U */ |
| {2,1,1,0,15}, /* V */ |
| }, |
| .flags = PIX_FMT_BE, |
| }, |
| [PIX_FMT_YUV422P10LE] = { |
| .name = "yuv422p10le", |
| .nb_components= 3, |
| .log2_chroma_w= 1, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,1,0,9}, /* Y */ |
| {1,1,1,0,9}, /* U */ |
| {2,1,1,0,9}, /* V */ |
| }, |
| }, |
| [PIX_FMT_YUV422P10BE] = { |
| .name = "yuv422p10be", |
| .nb_components= 3, |
| .log2_chroma_w= 1, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,1,0,9}, /* Y */ |
| {1,1,1,0,9}, /* U */ |
| {2,1,1,0,9}, /* V */ |
| }, |
| .flags = PIX_FMT_BE, |
| }, |
| [PIX_FMT_YUV422P16LE] = { |
| .name = "yuv422p16le", |
| .nb_components= 3, |
| .log2_chroma_w= 1, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,1,0,15}, /* Y */ |
| {1,1,1,0,15}, /* U */ |
| {2,1,1,0,15}, /* V */ |
| }, |
| }, |
| [PIX_FMT_YUV422P16BE] = { |
| .name = "yuv422p16be", |
| .nb_components= 3, |
| .log2_chroma_w= 1, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,1,0,15}, /* Y */ |
| {1,1,1,0,15}, /* U */ |
| {2,1,1,0,15}, /* V */ |
| }, |
| .flags = PIX_FMT_BE, |
| }, |
| [PIX_FMT_YUV444P16LE] = { |
| .name = "yuv444p16le", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,1,0,15}, /* Y */ |
| {1,1,1,0,15}, /* U */ |
| {2,1,1,0,15}, /* V */ |
| }, |
| }, |
| [PIX_FMT_YUV444P16BE] = { |
| .name = "yuv444p16be", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,1,0,15}, /* Y */ |
| {1,1,1,0,15}, /* U */ |
| {2,1,1,0,15}, /* V */ |
| }, |
| .flags = PIX_FMT_BE, |
| }, |
| [PIX_FMT_YUV444P10LE] = { |
| .name = "yuv444p10le", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,1,0,9}, /* Y */ |
| {1,1,1,0,9}, /* U */ |
| {2,1,1,0,9}, /* V */ |
| }, |
| }, |
| [PIX_FMT_YUV444P10BE] = { |
| .name = "yuv444p10be", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,1,0,9}, /* Y */ |
| {1,1,1,0,9}, /* U */ |
| {2,1,1,0,9}, /* V */ |
| }, |
| .flags = PIX_FMT_BE, |
| }, |
| [PIX_FMT_YUV444P9LE] = { |
| .name = "yuv444p9le", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,1,0,8}, /* Y */ |
| {1,1,1,0,8}, /* U */ |
| {2,1,1,0,8}, /* V */ |
| }, |
| }, |
| [PIX_FMT_YUV444P9BE] = { |
| .name = "yuv444p9be", |
| .nb_components= 3, |
| .log2_chroma_w= 0, |
| .log2_chroma_h= 0, |
| .comp = { |
| {0,1,1,0,8}, /* Y */ |
| {1,1,1,0,8}, /* U */ |
| {2,1,1,0,8}, /* V */ |
| }, |
| .flags = PIX_FMT_BE, |
| }, |
| [PIX_FMT_DXVA2_VLD] = { |
| .name = "dxva2_vld", |
| .log2_chroma_w = 1, |
| .log2_chroma_h = 1, |
| .flags = PIX_FMT_HWACCEL, |
| }, |
| [PIX_FMT_GRAY8A] = { |
| .name = "gray8a", |
| .nb_components= 2, |
| .comp = { |
| {0,1,1,0,7}, /* Y */ |
| {0,1,2,0,7}, /* A */ |
| }, |
| }, |
| }; |
| |
| static enum PixelFormat get_pix_fmt_internal(const char *name) |
| { |
| enum PixelFormat pix_fmt; |
| |
| for (pix_fmt = 0; pix_fmt < PIX_FMT_NB; pix_fmt++) |
| if (av_pix_fmt_descriptors[pix_fmt].name && |
| !strcmp(av_pix_fmt_descriptors[pix_fmt].name, name)) |
| return pix_fmt; |
| |
| return PIX_FMT_NONE; |
| } |
| |
| const char *av_get_pix_fmt_name(enum PixelFormat pix_fmt) |
| { |
| return (unsigned)pix_fmt < PIX_FMT_NB ? |
| av_pix_fmt_descriptors[pix_fmt].name : NULL; |
| } |
| |
| #if HAVE_BIGENDIAN |
| # define X_NE(be, le) be |
| #else |
| # define X_NE(be, le) le |
| #endif |
| |
| enum PixelFormat av_get_pix_fmt(const char *name) |
| { |
| enum PixelFormat pix_fmt; |
| |
| if (!strcmp(name, "rgb32")) |
| name = X_NE("argb", "bgra"); |
| else if (!strcmp(name, "bgr32")) |
| name = X_NE("abgr", "rgba"); |
| |
| pix_fmt = get_pix_fmt_internal(name); |
| if (pix_fmt == PIX_FMT_NONE) { |
| char name2[32]; |
| |
| snprintf(name2, sizeof(name2), "%s%s", name, X_NE("be", "le")); |
| pix_fmt = get_pix_fmt_internal(name2); |
| } |
| return pix_fmt; |
| } |
| |
| int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc) |
| { |
| int c, bits = 0; |
| int log2_pixels = pixdesc->log2_chroma_w + pixdesc->log2_chroma_h; |
| |
| for (c = 0; c < pixdesc->nb_components; c++) { |
| int s = c==1 || c==2 ? 0 : log2_pixels; |
| bits += (pixdesc->comp[c].depth_minus1+1) << s; |
| } |
| |
| return bits >> log2_pixels; |
| } |
| |
| char *av_get_pix_fmt_string (char *buf, int buf_size, enum PixelFormat pix_fmt) |
| { |
| /* print header */ |
| if (pix_fmt < 0) { |
| snprintf (buf, buf_size, "name " " nb_components" " nb_bits"); |
| } else { |
| const AVPixFmtDescriptor *pixdesc = &av_pix_fmt_descriptors[pix_fmt]; |
| snprintf(buf, buf_size, "%-11s %7d %10d", |
| pixdesc->name, pixdesc->nb_components, av_get_bits_per_pixel(pixdesc)); |
| } |
| |
| return buf; |
| } |