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zm_image.cpp
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//
// ZoneMinder Image Class Implementation, $Date$, $Revision$
// Copyright (C) 2001-2008 Philip Coombes
//
// This program 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.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
#include "zm_image.h"
#include "zm_font.h"
#include "zm_poly.h"
#include "zm_utils.h"
#include <algorithm>
#include <fcntl.h>
#include <sys/stat.h>
#include <unistd.h>
static unsigned char y_table_global[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 19, 20, 22, 23, 24, 25, 26, 27, 29, 30, 31, 32, 33, 34, 36, 37, 38, 39, 40, 41, 43, 44, 45, 46, 47, 48, 50, 51, 52, 53, 54, 55, 57, 58, 59, 60, 61, 62, 64, 65, 66, 67, 68, 69, 71, 72, 73, 74, 75, 76, 78, 79, 80, 81, 82, 83, 85, 86, 87, 88, 89, 90, 91, 93, 94, 95, 96, 97, 98, 100, 101, 102, 103, 104, 105, 107, 108, 109, 110, 111, 112, 114, 115, 116, 117, 118, 119, 121, 122, 123, 124, 125, 126, 128, 129, 130, 131, 132, 133, 135, 136, 137, 138, 139, 140, 142, 143, 144, 145, 146, 147, 149, 150, 151, 152, 153, 154, 156, 157, 158, 159, 160, 161, 163, 164, 165, 166, 167, 168, 170, 171, 172, 173, 174, 175, 176, 178, 179, 180, 181, 182, 183, 185, 186, 187, 188, 189, 190, 192, 193, 194, 195, 196, 197, 199, 200, 201, 202, 203, 204, 206, 207, 208, 209, 210, 211, 213, 214, 215, 216, 217, 218, 220, 221, 222, 223, 224, 225, 227, 228, 229, 230, 231, 232, 234, 235, 236, 237, 238, 239, 241, 242, 243, 244, 245, 246, 248, 249, 250, 251, 252, 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255};
static signed char uv_table_global[] = {-127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -125, -124, -123, -122, -121, -120, -119, -117, -116, -115, -114, -113, -112, -111, -109, -108, -107, -106, -105, -104, -103, -102, -100, -99, -98, -97, -96, -95, -94, -92, -91, -90, -89, -88, -87, -86, -85, -83, -82, -81, -80, -79, -78, -77, -75, -74, -73, -72, -71, -70, -69, -68, -66, -65, -64, -63, -62, -61, -60, -58, -57, -56, -55, -54, -53, -52, -51, -49, -48, -47, -46, -45, -44, -43, -41, -40, -39, -38, -37, -36, -35, -34, -32, -31, -30, -29, -28, -27, -26, -24, -23, -22, -21, -20, -19, -18, -17, -15, -14, -13, -12, -11, -10, -9, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 24, 26, 27, 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 39, 40, 41, 43, 44, 45, 46, 47, 48, 49, 51, 52, 53, 54, 55, 56, 57, 58, 60, 61, 62, 63, 64, 65, 66, 68, 69, 70, 71, 72, 73, 74, 75, 77, 78, 79, 80, 81, 82, 83, 85, 86, 87, 88, 89, 90, 91, 92, 94, 95, 96, 97, 98, 99, 100, 102, 103, 104, 105, 106, 107, 108, 109, 111, 112, 113, 114, 115, 116, 117, 119, 120, 121, 122, 123, 124, 125, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127};
static short r_v_table_global[] = {-179, -178, -176, -175, -173, -172, -171, -169, -168, -166, -165, -164, -162, -161, -159, -158, -157, -155, -154, -152, -151, -150, -148, -147, -145, -144, -143, -141, -140, -138, -137, -135, -134, -133, -131, -130, -128, -127, -126, -124, -123, -121, -120, -119, -117, -116, -114, -113, -112, -110, -109, -107, -106, -105, -103, -102, -100, -99, -98, -96, -95, -93, -92, -91, -89, -88, -86, -85, -84, -82, -81, -79, -78, -77, -75, -74, -72, -71, -70, -68, -67, -65, -64, -63, -61, -60, -58, -57, -56, -54, -53, -51, -50, -49, -47, -46, -44, -43, -42, -40, -39, -37, -36, -35, -33, -32, -30, -29, -28, -26, -25, -23, -22, -21, -19, -18, -16, -15, -14, -12, -11, -9, -8, -7, -5, -4, -2, -1, 0, 1, 2, 4, 5, 7, 8, 9, 11, 12, 14, 15, 16, 18, 19, 21, 22, 23, 25, 26, 28, 29, 30, 32, 33, 35, 36, 37, 39, 40, 42, 43, 44, 46, 47, 49, 50, 51, 53, 54, 56, 57, 58, 60, 61, 63, 64, 65, 67, 68, 70, 71, 72, 74, 75, 77, 78, 79, 81, 82, 84, 85, 86, 88, 89, 91, 92, 93, 95, 96, 98, 99, 100, 102, 103, 105, 106, 107, 109, 110, 112, 113, 114, 116, 117, 119, 120, 121, 123, 124, 126, 127, 128, 130, 131, 133, 134, 135, 137, 138, 140, 141, 143, 144, 145, 147, 148, 150, 151, 152, 154, 155, 157, 158, 159, 161, 162, 164, 165, 166, 168, 169, 171, 172, 173, 175, 176};
static short g_u_table_global[] = {-44, -43, -43, -43, -42, -42, -41, -41, -41, -40, -40, -40, -39, -39, -39, -38, -38, -38, -37, -37, -37, -36, -36, -36, -35, -35, -35, -34, -34, -34, -33, -33, -33, -32, -32, -31, -31, -31, -30, -30, -30, -29, -29, -29, -28, -28, -28, -27, -27, -27, -26, -26, -26, -25, -25, -25, -24, -24, -24, -23, -23, -23, -22, -22, -22, -21, -21, -20, -20, -20, -19, -19, -19, -18, -18, -18, -17, -17, -17, -16, -16, -16, -15, -15, -15, -14, -14, -14, -13, -13, -13, -12, -12, -12, -11, -11, -11, -10, -10, -9, -9, -9, -8, -8, -8, -7, -7, -7, -6, -6, -6, -5, -5, -5, -4, -4, -4, -3, -3, -3, -2, -2, -2, -1, -1, -1, 0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 11, 11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 15, 16, 16, 16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 20, 20, 20, 21, 21, 22, 22, 22, 23, 23, 23, 24, 24, 24, 25, 25, 25, 26, 26, 26, 27, 27, 27, 28, 28, 28, 29, 29, 29, 30, 30, 30, 31, 31, 31, 32, 32, 33, 33, 33, 34, 34, 34, 35, 35, 35, 36, 36, 36, 37, 37, 37, 38, 38, 38, 39, 39, 39, 40, 40, 40, 41, 41, 41, 42, 42, 43, 43};
static short g_v_table_global[] = {-91, -90, -89, -89, -88, -87, -87, -86, -85, -84, -84, -83, -82, -82, -81, -80, -79, -79, -78, -77, -77, -76, -75, -74, -74, -73, -72, -72, -71, -70, -69, -69, -68, -67, -67, -66, -65, -64, -64, -63, -62, -62, -61, -60, -59, -59, -58, -57, -57, -56, -55, -54, -54, -53, -52, -52, -51, -50, -49, -49, -48, -47, -47, -46, -45, -44, -44, -43, -42, -42, -41, -40, -39, -39, -38, -37, -37, -36, -35, -34, -34, -33, -32, -32, -31, -30, -29, -29, -28, -27, -27, -26, -25, -24, -24, -23, -22, -22, -21, -20, -19, -19, -18, -17, -17, -16, -15, -14, -14, -13, -12, -12, -11, -10, -9, -9, -8, -7, -7, -6, -5, -4, -4, -3, -2, -2, -1, 0, 0, 0, 1, 2, 2, 3, 4, 4, 5, 6, 7, 7, 8, 9, 9, 10, 11, 12, 12, 13, 14, 14, 15, 16, 17, 17, 18, 19, 19, 20, 21, 22, 22, 23, 24, 24, 25, 26, 27, 27, 28, 29, 29, 30, 31, 32, 32, 33, 34, 34, 35, 36, 37, 37, 38, 39, 39, 40, 41, 42, 42, 43, 44, 44, 45, 46, 47, 47, 48, 49, 49, 50, 51, 52, 52, 53, 54, 54, 55, 56, 57, 57, 58, 59, 59, 60, 61, 62, 62, 63, 64, 64, 65, 66, 67, 67, 68, 69, 69, 70, 71, 72, 72, 73, 74, 74, 75, 76, 77, 77, 78, 79, 79, 80, 81, 82, 82, 83, 84, 84, 85, 86, 87, 87, 88, 89, 89};
static short b_u_table_global[] = {-226, -225, -223, -221, -219, -217, -216, -214, -212, -210, -209, -207, -205, -203, -202, -200, -198, -196, -194, -193, -191, -189, -187, -186, -184, -182, -180, -178, -177, -175, -173, -171, -170, -168, -166, -164, -163, -161, -159, -157, -155, -154, -152, -150, -148, -147, -145, -143, -141, -139, -138, -136, -134, -132, -131, -129, -127, -125, -124, -122, -120, -118, -116, -115, -113, -111, -109, -108, -106, -104, -102, -101, -99, -97, -95, -93, -92, -90, -88, -86, -85, -83, -81, -79, -77, -76, -74, -72, -70, -69, -67, -65, -63, -62, -60, -58, -56, -54, -53, -51, -49, -47, -46, -44, -42, -40, -38, -37, -35, -33, -31, -30, -28, -26, -24, -23, -21, -19, -17, -15, -14, -12, -10, -8, -7, -5, -3, -1, 0, 1, 3, 5, 7, 8, 10, 12, 14, 15, 17, 19, 21, 23, 24, 26, 28, 30, 31, 33, 35, 37, 38, 40, 42, 44, 46, 47, 49, 51, 53, 54, 56, 58, 60, 62, 63, 65, 67, 69, 70, 72, 74, 76, 77, 79, 81, 83, 85, 86, 88, 90, 92, 93, 95, 97, 99, 101, 102, 104, 106, 108, 109, 111, 113, 115, 116, 118, 120, 122, 124, 125, 127, 129, 131, 132, 134, 136, 138, 139, 141, 143, 145, 147, 148, 150, 152, 154, 155, 157, 159, 161, 163, 164, 166, 168, 170, 171, 173, 175, 177, 178, 180, 182, 184, 186, 187, 189, 191, 193, 194, 196, 198, 200, 202, 203, 205, 207, 209, 210, 212, 214, 216, 217, 219, 221, 223};
bool Image::initialised = false;
static unsigned char *y_table;
static signed char *uv_table;
static short *r_v_table;
static short *g_v_table;
static short *g_u_table;
static short *b_u_table;
struct SwsContext *sws_convert_context = nullptr;
jpeg_compress_struct *Image::writejpg_ccinfo[101] = { };
jpeg_compress_struct *Image::encodejpg_ccinfo[101] = { };
jpeg_decompress_struct *Image::readjpg_dcinfo = nullptr;
jpeg_decompress_struct *Image::decodejpg_dcinfo = nullptr;
struct zm_error_mgr Image::jpg_err;
/* Pointer to blend function. */
static blend_fptr_t fptr_blend;
/* Pointer to delta8 functions */
static delta_fptr_t fptr_delta8_rgb;
static delta_fptr_t fptr_delta8_bgr;
static delta_fptr_t fptr_delta8_rgba;
static delta_fptr_t fptr_delta8_bgra;
static delta_fptr_t fptr_delta8_argb;
static delta_fptr_t fptr_delta8_abgr;
static delta_fptr_t fptr_delta8_gray8;
/* Pointers to deinterlace_4field functions */
static deinterlace_4field_fptr_t fptr_deinterlace_4field_rgba;
static deinterlace_4field_fptr_t fptr_deinterlace_4field_bgra;
static deinterlace_4field_fptr_t fptr_deinterlace_4field_argb;
static deinterlace_4field_fptr_t fptr_deinterlace_4field_abgr;
static deinterlace_4field_fptr_t fptr_deinterlace_4field_gray8;
/* Pointer to image buffer memory copy function */
imgbufcpy_fptr_t fptr_imgbufcpy;
/* Font */
static ZmFont font;
void Image::update_function_pointers() {
/* Because many loops are unrolled and work on 16 colours/time or 4 pixels/time, we have to meet requirements */
if ( pixels % 16 || pixels % 12 ) {
// have to use non-loop unrolled functions
delta8_rgb = &std_delta8_rgb;
delta8_bgr = &std_delta8_bgr;
delta8_rgba = &std_delta8_rgba;
delta8_bgra = &std_delta8_bgra;
delta8_argb = &std_delta8_argb;
delta8_abgr = &std_delta8_abgr;
delta8_gray8 = &std_delta8_gray8;
blend = &std_blend;
} else {
// Use either sse or neon, or loop unrolled version
delta8_rgb = fptr_delta8_rgb;
delta8_bgr = fptr_delta8_bgr;
delta8_rgba = fptr_delta8_rgba;
delta8_bgra = fptr_delta8_bgra;
delta8_argb = fptr_delta8_argb;
delta8_abgr = fptr_delta8_abgr;
delta8_gray8 = fptr_delta8_gray8;
blend = fptr_blend;
}
}
// This constructor is not used anywhere
Image::Image() :
delta8_rgb(&std_delta8_rgb),
delta8_bgr(&std_delta8_bgr),
delta8_rgba(&std_delta8_rgba),
delta8_bgra(&std_delta8_bgra),
delta8_argb(&std_delta8_argb),
delta8_abgr(&std_delta8_abgr),
delta8_gray8(&std_delta8_gray8),
blend(&std_blend)
{
if ( !initialised )
Initialise();
width = 0;
linesize = 0;
height = 0;
padding = 0;
pixels = 0;
colours = 0;
subpixelorder = 0;
size = 0;
allocation = 0;
buffer = 0;
buffertype = ZM_BUFTYPE_DONTFREE;
holdbuffer = 0;
blend = fptr_blend;
}
Image::Image(const char *filename) {
if ( !initialised )
Initialise();
width = 0;
linesize = 0;
height = 0;
padding = 0;
pixels = 0;
colours = 0;
subpixelorder = 0;
size = 0;
allocation = 0;
buffer = 0;
buffertype = ZM_BUFTYPE_DONTFREE;
holdbuffer = 0;
ReadJpeg(filename, ZM_COLOUR_RGB24, ZM_SUBPIX_ORDER_RGB);
update_function_pointers();
}
Image::Image(int p_width, int p_height, int p_colours, int p_subpixelorder, uint8_t *p_buffer, unsigned int p_padding) :
width(p_width),
height(p_height),
colours(p_colours),
padding(p_padding),
subpixelorder(p_subpixelorder),
buffer(p_buffer) {
if (!initialised)
Initialise();
pixels = width * height;
linesize = p_width * p_colours;
size = linesize * height + padding;
buffer = nullptr;
holdbuffer = 0;
if (p_buffer) {
allocation = size;
buffertype = ZM_BUFTYPE_DONTFREE;
buffer = p_buffer;
} else {
AllocImgBuffer(size);
}
if (!subpixelorder and colours>1) {
// Default to RGBA when no subpixelorder is specified.
subpixelorder = ZM_SUBPIX_ORDER_RGBA;
}
imagePixFormat = AVPixFormat();
update_function_pointers();
}
Image::Image(int p_width, int p_linesize, int p_height, int p_colours, int p_subpixelorder, uint8_t *p_buffer, unsigned int p_padding) :
width(p_width),
linesize(p_linesize),
height(p_height),
colours(p_colours),
padding(p_padding),
subpixelorder(p_subpixelorder),
buffer(p_buffer)
{
if ( !initialised )
Initialise();
pixels = width*height;
size = linesize*height + padding;
buffer = nullptr;
holdbuffer = 0;
if ( p_buffer ) {
allocation = size;
buffertype = ZM_BUFTYPE_DONTFREE;
buffer = p_buffer;
} else {
AllocImgBuffer(size);
}
if (!subpixelorder and colours>1) {
// Default to RGBA when no subpixelorder is specified.
subpixelorder = ZM_SUBPIX_ORDER_RGBA;
}
imagePixFormat = AVPixFormat();
update_function_pointers();
}
Image::Image(const AVFrame *frame) {
width = frame->width;
height = frame->height;
pixels = width*height;
zm_dump_video_frame(frame, "Image.Assign(frame)");
// FIXME
colours = ZM_COLOUR_RGB32;
subpixelorder = ZM_SUBPIX_ORDER_RGBA;
imagePixFormat = AV_PIX_FMT_RGBA;
//(AVPixelFormat)frame->format;
size = av_image_get_buffer_size(AV_PIX_FMT_RGBA, width, height, 32);
// av_image_get_linesize isn't aligned, so we have to do that.
linesize = FFALIGN(av_image_get_linesize(AV_PIX_FMT_RGBA, width, 0), 32);
padding = 0;
buffer = nullptr;
holdbuffer = 0;
AllocImgBuffer(size);
this->Assign(frame);
}
static void dont_free(void *opaque, uint8_t *data) {
}
int Image::PopulateFrame(AVFrame *frame) {
Debug(1, "PopulateFrame: width %d height %d linesize %d colours %d imagesize %d %s",
width, height, linesize, colours, size,
av_get_pix_fmt_name(imagePixFormat)
);
AVBufferRef *ref = av_buffer_create(buffer, size,
dont_free, /* Free callback */
nullptr, /* opaque */
0 /* flags */
);
if (!ref) {
Warning("Failed to create av_buffer");
}
frame->buf[0] = ref;
// From what I've read, we should align the linesizes to 32bit so that ffmpeg can use SIMD instructions too.
int size = av_image_fill_arrays(
frame->data, frame->linesize,
buffer, imagePixFormat, width, height,
32 //alignment
);
if ( size < 0 ) {
Error("Problem setting up data pointers into image %s",
av_make_error_string(size).c_str());
return size;
}
frame->width = width;
frame->height = height;
frame->format = imagePixFormat;
Debug(1, "PopulateFrame: width %d height %d linesize %d colours %d imagesize %d", width, height, linesize, colours, size);
zm_dump_video_frame(frame, "Image.Populate(frame)");
return 1;
} // int Image::PopulateFrame(AVFrame *frame)
bool Image::Assign(const AVFrame *frame) {
/* Assume the dimensions etc are correct. FIXME */
// Desired format
AVPixelFormat format = (AVPixelFormat)AVPixFormat();
AVFrame *dest_frame = zm_av_frame_alloc();
sws_convert_context = sws_getCachedContext(
sws_convert_context,
frame->width, frame->height, (AVPixelFormat)frame->format,
width, height, format,
SWS_BICUBIC,
//SWS_POINT | SWS_BITEXACT,
nullptr, nullptr, nullptr);
if (sws_convert_context == nullptr) {
Error("Unable to create conversion context");
return false;
}
bool result = Assign(frame, sws_convert_context, dest_frame);
av_frame_free(&dest_frame);
update_function_pointers();
return result;
} // end Image::Assign(const AVFrame *frame)
bool Image::Assign(const AVFrame *frame, SwsContext *convert_context, AVFrame *temp_frame) {
PopulateFrame(temp_frame);
zm_dump_video_frame(frame, "source frame before convert");
temp_frame->pts = frame->pts;
AVPixelFormat format = (AVPixelFormat)AVPixFormat();
if (sws_scale(convert_context,
frame->data, frame->linesize, 0, frame->height,
temp_frame->data, temp_frame->linesize) < 0) {
Error("Unable to convert raw format %u %ux%u to target format %u %ux%u",
frame->format, frame->width, frame->height,
format, width, height);
return false;
}
zm_dump_video_frame(temp_frame, "dest frame after convert");
return true;
} // end Image::Assign(const AVFrame *frame, SwsContext *convert_context, AVFrame *temp_frame)
Image::Image(const Image &p_image) {
if ( !initialised )
Initialise();
width = p_image.width;
linesize = p_image.linesize;
padding = 0;
height = p_image.height;
pixels = p_image.pixels;
colours = p_image.colours;
subpixelorder = p_image.subpixelorder;
size = p_image.size; // allocation is set in AllocImgBuffer
buffer = nullptr;
holdbuffer = 0;
AllocImgBuffer(size);
(*fptr_imgbufcpy)(buffer, p_image.buffer, size);
annotation_ = p_image.annotation_;
imagePixFormat = p_image.imagePixFormat;
update_function_pointers();
}
Image::~Image() {
DumpImgBuffer();
}
/* Should be called as part of program shutdown to free everything */
void Image::Deinitialise() {
if (!initialised) return;
initialised = false;
if (readjpg_dcinfo) {
jpeg_destroy_decompress(readjpg_dcinfo);
delete readjpg_dcinfo;
readjpg_dcinfo = nullptr;
}
if (decodejpg_dcinfo) {
jpeg_destroy_decompress(decodejpg_dcinfo);
delete decodejpg_dcinfo;
decodejpg_dcinfo = nullptr;
}
for (unsigned int quality=0; quality <= 100; quality += 1) {
if (writejpg_ccinfo[quality]) {
jpeg_destroy_compress(writejpg_ccinfo[quality]);
delete writejpg_ccinfo[quality];
writejpg_ccinfo[quality] = nullptr;
}
if (encodejpg_ccinfo[quality]) {
jpeg_destroy_compress(encodejpg_ccinfo[quality]);
delete encodejpg_ccinfo[quality];
encodejpg_ccinfo[quality] = nullptr;
}
} // end foreach quality
if (sws_convert_context) {
sws_freeContext(sws_convert_context);
sws_convert_context = nullptr;
}
} // end void Image::Deinitialise()
void Image::Initialise() {
/* Assign the blend pointer to function */
if ( config.fast_image_blends ) {
if ( config.cpu_extensions && sse_version >= 20 ) {
fptr_blend = &sse2_fastblend; /* SSE2 fast blend */
Debug(4, "Blend: Using SSE2 fast blend function");
} else if ( config.cpu_extensions && neonversion >= 1 ) {
#if defined(__aarch64__)
fptr_blend = &neon64_armv8_fastblend; /* ARM Neon (AArch64) fast blend */
Debug(4, "Blend: Using ARM Neon (AArch64) fast blend function");
#elif defined(__arm__)
fptr_blend = &neon32_armv7_fastblend; /* ARM Neon (AArch32) fast blend */
Debug(4, "Blend: Using ARM Neon (AArch32) fast blend function");
#else
Panic("Bug: Non ARM platform but neon present");
#endif
} else {
fptr_blend = &std_fastblend; /* standard fast blend */
Debug(4, "Blend: Using fast blend function");
}
} else {
fptr_blend = &std_blend;
Debug(4, "Blend: Using standard blend function");
}
__attribute__((aligned(64))) uint8_t blend1[128] = {
86,58,54,63,149,62,209,34,148,46,186,176,9,236,193,254,113,146,228,220,123,164,92,98,9,72,67,156,63,118,96,167,
48,224,106,176,201,245,223,219,198,50,100,31,68,77,33,76,166,90,254,128,191,82,84,32,3,171,147,248,14,196,141,179,
79,237,121,11,132,37,194,225,45,171,169,167,56,64,193,85,147,33,97,221,94,97,90,44,191,248,65,8,17,240,167,207,
224,23,71,74,81,1,46,110,227,94,163,170,55,155,52,147,224,154,237,35,255,26,229,11,223,242,118,155,82,37,189,2
};
__attribute__((aligned(64))) uint8_t blend2[128] = {
92,188,203,118,121,231,252,218,126,88,80,72,123,16,91,131,109,0,57,56,95,204,74,8,137,94,6,69,18,146,229,194,
146,230,13,146,95,48,185,65,162,47,152,172,184,111,245,143,247,105,49,42,89,37,145,255,221,200,103,80,98,39,14,227,
227,46,46,59,248,7,83,20,157,79,36,161,237,55,77,175,232,200,38,170,198,239,89,19,82,88,130,120,203,184,141,117,
228,140,150,107,103,195,74,130,42,11,150,70,176,204,198,188,38,252,174,104,128,106,31,17,141,231,62,104,179,29,143,130
};
__attribute__((aligned(64))) uint8_t blendexp[128] = {
86,73,71,69,145,82,214,56,145,51,173,163,22,209,180,239,112,128,207,200,119,168,89,87,24,74,59,145,57,121,111,170,
59,224,94,172,188,221,218,200,193,49,106,47,81,81,58,84,175,91,229,117,178,76,91,58,29,174,141,227,24,177,125,184,
96,214,112,16,145,33,180,200,58,159,153,166,77,62,179,95,157,53,89,214,106,114,89,41,177,228,72,21,39,233,163,196,
224,37,80,77,83,24,49,112,204,84,161,158,69,160,69,151,201,165,229,43,239,35,205,11,213,240,111,148,93,36,183,17
};
__attribute__((aligned(64))) uint8_t blendres[128];
/* Run the blend function */
(*fptr_blend)(blend1,blend2,blendres,128,12.0);
/* Compare results with expected results */
for ( int i=0; i < 128; i++ ) {
if ( abs(blendexp[i] - blendres[i]) > 3 ) {
Panic("Blend function failed self-test: Results differ from the expected results. Column %u Expected %u Got %u",i,blendexp[i],blendres[i]);
}
}
fptr_delta8_rgb = &std_delta8_rgb;
fptr_delta8_bgr = &std_delta8_bgr;
/* Assign the delta functions */
if ( config.cpu_extensions ) {
if ( sse_version >= 35 ) {
/* SSSE3 available */
fptr_delta8_rgba = &ssse3_delta8_rgba;
fptr_delta8_bgra = &ssse3_delta8_bgra;
fptr_delta8_argb = &ssse3_delta8_argb;
fptr_delta8_abgr = &ssse3_delta8_abgr;
fptr_delta8_gray8 = &sse2_delta8_gray8;
Debug(4, "Delta: Using SSSE3 delta functions");
} else if ( sse_version >= 20 ) {
/* SSE2 available */
fptr_delta8_rgba = &sse2_delta8_rgba;
fptr_delta8_bgra = &sse2_delta8_bgra;
fptr_delta8_argb = &sse2_delta8_argb;
fptr_delta8_abgr = &sse2_delta8_abgr;
fptr_delta8_gray8 = &sse2_delta8_gray8;
Debug(4, "Delta: Using SSE2 delta functions");
} else if ( neonversion >= 1 ) {
/* ARM Neon available */
#if defined(__aarch64__)
fptr_delta8_rgba = &neon64_armv8_delta8_rgba;
fptr_delta8_bgra = &neon64_armv8_delta8_bgra;
fptr_delta8_argb = &neon64_armv8_delta8_argb;
fptr_delta8_abgr = &neon64_armv8_delta8_abgr;
fptr_delta8_gray8 = &neon64_armv8_delta8_gray8;
Debug(4, "Delta: Using ARM Neon (AArch64) delta functions");
#elif defined(__arm__)
fptr_delta8_rgba = &neon32_armv7_delta8_rgba;
fptr_delta8_bgra = &neon32_armv7_delta8_bgra;
fptr_delta8_argb = &neon32_armv7_delta8_argb;
fptr_delta8_abgr = &neon32_armv7_delta8_abgr;
fptr_delta8_gray8 = &neon32_armv7_delta8_gray8;
Debug(4, "Delta: Using ARM Neon (AArch32) delta functions");
#else
Panic("Bug: Non ARM platform but neon present");
#endif
} else {
/* No suitable SSE version available */
fptr_delta8_rgba = &fast_delta8_rgba;
fptr_delta8_bgra = &fast_delta8_bgra;
fptr_delta8_argb = &fast_delta8_argb;
fptr_delta8_abgr = &fast_delta8_abgr;
fptr_delta8_gray8 = &fast_delta8_gray8;
Debug(4,"Delta: Using standard delta functions");
}
} else {
/* CPU extensions disabled */
fptr_delta8_rgba = &fast_delta8_rgba;
fptr_delta8_bgra = &fast_delta8_bgra;
fptr_delta8_argb = &fast_delta8_argb;
fptr_delta8_abgr = &fast_delta8_abgr;
fptr_delta8_gray8 = &fast_delta8_gray8;
Debug(4,"Delta: CPU extensions disabled, using standard delta functions");
}
__attribute__((aligned(64))) uint8_t delta8_1[128] = {
221,22,234,254,8,140,15,28,166,13,203,56,92,250,79,225,19,59,241,145,253,33,87,204,97,168,229,180,3,108,205,177,
41,108,65,149,4,87,16,240,56,50,135,64,153,3,219,214,239,55,169,180,167,45,243,56,191,119,145,250,102,145,73,32,
207,213,189,167,147,83,217,30,113,51,142,125,219,97,60,5,135,195,95,133,21,197,150,82,134,93,198,97,97,49,117,24,
242,253,242,5,190,71,182,1,0,69,25,181,139,84,242,79,150,158,29,215,98,100,245,16,86,165,18,98,46,100,139,19
};
__attribute__((aligned(64))) uint8_t delta8_2[128] = {
236,22,153,161,50,141,15,130,89,251,33,5,140,201,225,194,138,76,248,89,25,26,29,93,250,251,48,157,41,126,140,152,
170,177,134,14,234,99,3,105,217,76,38,233,89,30,93,48,234,40,202,80,184,4,250,71,183,249,76,78,184,148,185,120,
137,214,238,57,50,93,29,60,99,207,40,15,43,28,177,118,60,231,90,47,198,251,250,241,212,114,249,17,95,161,216,218,
51,178,137,161,213,108,35,72,65,24,5,176,110,15,0,2,137,58,0,133,197,1,122,169,175,33,223,138,37,114,52,186
};
__attribute__((aligned(64))) uint8_t delta8_gray8_exp[128] = {
15,0,81,93,42,1,0,102,77,238,170,51,48,49,146,31,119,17,7,56,228,7,58,111,153,83,181,23,38,18,65,25,
129,69,69,135,230,12,13,135,161,26,97,169,64,27,126,166,5,15,33,100,17,41,7,15,8,130,69,172,82,3,112,88,
70,1,49,110,97,10,188,30,14,156,102,110,176,69,117,113,75,36,5,86,177,54,100,159,78,21,51,80,2,112,99,194,
191,75,105,156,23,37,147,71,65,45,20,5,29,69,242,77,13,100,29,82,99,99,123,153,89,132,205,40,9,14,87,167
};
__attribute__((aligned(64))) uint8_t delta8_rgba_exp[32] = {
13,11,189,60,41,68,112,28,84,66,68,48,14,30,91,36,24,54,113,101,41,90,39,82,107,47,46,80,69,102,130,21
};
__attribute__((aligned(64))) uint8_t delta8_gray8_res[128];
__attribute__((aligned(64))) uint8_t delta8_rgba_res[32];
/* Run the delta8 grayscale function */
(*fptr_delta8_gray8)(delta8_1,delta8_2,delta8_gray8_res,128);
/* Compare results with expected results */
for ( int i=0; i < 128; i++ ) {
if ( abs(delta8_gray8_exp[i] - delta8_gray8_res[i]) > 7 ) {
Panic("Delta grayscale function failed self-test: Results differ from the expected results. Column %u Expected %u Got %u",i,delta8_gray8_exp[i],delta8_gray8_res[i]);
}
}
/* Run the delta8 RGBA function */
(*fptr_delta8_rgba)(delta8_1,delta8_2,delta8_rgba_res, 32);
/* Compare results with expected results */
for ( int i=0; i < 32; i++ ) {
if ( abs(delta8_rgba_exp[i] - delta8_rgba_res[i]) > 7 ) {
Panic("Delta RGBA function failed self-test: Results differ from the expected results. Column %u Expected %u Got %u",i,delta8_rgba_exp[i],delta8_rgba_res[i]);
}
}
/*
SSSE3 deinterlacing functions were removed because they were usually equal
or slower than the standard code (compiled with -O2 or better)
The function is too complicated to be vectorized efficiently on SSSE3
*/
fptr_deinterlace_4field_rgba = &std_deinterlace_4field_rgba;
fptr_deinterlace_4field_bgra = &std_deinterlace_4field_bgra;
fptr_deinterlace_4field_argb = &std_deinterlace_4field_argb;
fptr_deinterlace_4field_abgr = &std_deinterlace_4field_abgr;
fptr_deinterlace_4field_gray8 = &std_deinterlace_4field_gray8;
Debug(4, "Deinterlace: Using standard functions");
#if defined(__i386__) && !defined(__x86_64__)
/* Use SSE2 aligned memory copy? */
if ( config.cpu_extensions && sse_version >= 20 ) {
fptr_imgbufcpy = &sse2_aligned_memcpy;
Debug(4, "Image buffer copy: Using SSE2 aligned memcpy");
} else {
fptr_imgbufcpy = &memcpy;
Debug(4, "Image buffer copy: Using standard memcpy");
}
#else
fptr_imgbufcpy = &memcpy;
Debug(4, "Image buffer copy: Using standard memcpy");
#endif
y_table = y_table_global;
uv_table = uv_table_global;
r_v_table = r_v_table_global;
g_v_table = g_v_table_global;
g_u_table = g_u_table_global;
b_u_table = b_u_table_global;
FontLoadError res = font.LoadFontFile(config.font_file_location);
if ( res == FontLoadError::kFileNotFound ) {
Panic("Invalid font location: %s", config.font_file_location);
} else if ( res == FontLoadError::kInvalidFile ) {
Panic("Invalid font file.");
}
initialised = true;
}
/* Requests a writeable buffer to the image. This is safer than buffer() because this way we can guarantee that a buffer of required size exists */
uint8_t* Image::WriteBuffer(
const unsigned int p_width,
const unsigned int p_height,
const unsigned int p_colours,
const unsigned int p_subpixelorder) {
if ( p_colours != ZM_COLOUR_GRAY8
&&
p_colours != ZM_COLOUR_RGB24
&&
p_colours != ZM_COLOUR_RGB32 ) {
Error("WriteBuffer called with unexpected colours: %d", p_colours);
return nullptr;
}
if ( ! ( p_height > 0 && p_width > 0 ) ) {
Error("WriteBuffer called with invalid width or height: %d %d", p_width, p_height);
return nullptr;
}
if ( p_width != width || p_height != height || p_colours != colours || p_subpixelorder != subpixelorder ) {
unsigned int newsize = (p_width * p_height) * p_colours;
if ( buffer == nullptr ) {
AllocImgBuffer(newsize);
} else {
if ( allocation < newsize ) {
if ( holdbuffer ) {
Error("Held buffer is undersized for requested buffer");
return nullptr;
} else {
/* Replace buffer with a bigger one */
//DumpImgBuffer(); // Done in AllocImgBuffer too
AllocImgBuffer(newsize);
}
}
}
width = p_width;
height = p_height;
colours = p_colours;
linesize = p_width * p_colours;
subpixelorder = p_subpixelorder;
pixels = height*width;
size = newsize;
} // end if need to re-alloc buffer
return buffer;
}
/* Assign an existing buffer to the image instead of copying from a source buffer.
The goal is to reduce the amount of memory copying and increase efficiency and buffer reusing.
*/
void Image::AssignDirect(
const unsigned int p_width,
const unsigned int p_height,
const unsigned int p_colours,
const unsigned int p_subpixelorder,
uint8_t *new_buffer,
const size_t buffer_size,
const int p_buffertype) {
if ( new_buffer == nullptr ) {
Error("Attempt to directly assign buffer from a NULL pointer");
return;
}
if ( !p_height || !p_width ) {
Error("Attempt to directly assign buffer with invalid width or height: %d %d", p_width, p_height);
return;
}
if ( p_colours != ZM_COLOUR_GRAY8 && p_colours != ZM_COLOUR_RGB24 && p_colours != ZM_COLOUR_RGB32 ) {
Error("Attempt to directly assign buffer with unexpected colours per pixel: %d", p_colours);
return;
}
size_t new_buffer_size = p_width * p_height * p_colours;
if ( buffer_size < new_buffer_size ) {
Error("Attempt to directly assign buffer from an undersized buffer of size: %zu, needed %dx%d*%d colours = %zu",
buffer_size, p_width, p_height, p_colours, new_buffer_size);
return;
}
if ( holdbuffer && buffer ) {
if ( new_buffer_size > allocation ) {
Error("Held buffer is undersized for assigned buffer");
return;
} else {
/* Copy into the held buffer */
if ( new_buffer != buffer ) {
(*fptr_imgbufcpy)(buffer, new_buffer, size);
}
/* Free the new buffer */
DumpBuffer(new_buffer, p_buffertype);
}
} else {
/* Free an existing buffer if any */
DumpImgBuffer();
allocation = buffer_size;
buffertype = p_buffertype;
buffer = new_buffer;
}
width = p_width;
height = p_height;
colours = p_colours;
linesize = width * colours;
subpixelorder = p_subpixelorder;
pixels = width * height;
size = new_buffer_size;
} // end void Image::AssignDirect
void Image::Assign(
const unsigned int p_width,
const unsigned int p_height,
const unsigned int p_colours,
const unsigned int p_subpixelorder,
const uint8_t* new_buffer,
const size_t buffer_size) {
if ( new_buffer == nullptr ) {
Error("Attempt to assign buffer from a NULL pointer");
return;
}
unsigned int new_size = p_width * p_height * p_colours;
if ( buffer_size < new_size ) {
Error("Attempt to assign buffer from an undersized buffer of size: %zu", buffer_size);
return;
}
if ( !p_height || !p_width ) {
Error("Attempt to assign buffer with invalid width or height: %d %d", p_width, p_height);
return;
}
if ( p_colours != ZM_COLOUR_GRAY8 && p_colours != ZM_COLOUR_RGB24 && p_colours != ZM_COLOUR_RGB32 ) {
Error("Attempt to assign buffer with unexpected colours per pixel: %d", p_colours);
return;
}
if ( !buffer || p_width != width || p_height != height || p_colours != colours || p_subpixelorder != subpixelorder ) {
if ( holdbuffer && buffer ) {
if ( new_size > allocation ) {
Error("Held buffer is undersized for assigned buffer");
return;
}
} else {
if ( (new_size > allocation) || !buffer ) {
DumpImgBuffer();
AllocImgBuffer(new_size);
}
}
width = p_width;
height = p_height;
pixels = width*height;
colours = p_colours;
subpixelorder = p_subpixelorder;
size = new_size;
}
if ( new_buffer != buffer )
(*fptr_imgbufcpy)(buffer, new_buffer, size);
update_function_pointers();
}
void Image::Assign(const Image &image) {
unsigned int new_size = image.height * image.linesize;
if ( image.buffer == nullptr ) {
Error("Attempt to assign image with an empty buffer");
return;
}
if ( image.colours != ZM_COLOUR_GRAY8
&&
image.colours != ZM_COLOUR_RGB24
&&
image.colours != ZM_COLOUR_RGB32 ) {
Error("Attempt to assign image with unexpected colours per pixel: %d", image.colours);
return;
}
if ( !buffer
|| image.width != width || image.height != height
|| image.colours != colours || image.subpixelorder != subpixelorder
) {
if ( holdbuffer && buffer ) {
if ( new_size > allocation ) {
Error("Held buffer is undersized for assigned buffer");
return;
}
} else {
if (new_size > allocation || !buffer) {
// DumpImgBuffer(); This is also done in AllocImgBuffer
AllocImgBuffer(new_size);
}
}
width = image.width;
height = image.height;
pixels = width*height;
colours = image.colours;
subpixelorder = image.subpixelorder;
size = new_size;
linesize = image.linesize;
}
if ( image.buffer != buffer )
(*fptr_imgbufcpy)(buffer, image.buffer, size);
}
Image *Image::HighlightEdges(
Rgb colour,
unsigned int p_colours,
unsigned int p_subpixelorder,
const Box *limits
) {
if ( colours != ZM_COLOUR_GRAY8 ) {
Panic("Attempt to highlight image edges when colours = %d", colours);
}
/* Convert the colour's RGBA subpixel order into the image's subpixel order */
colour = rgb_convert(colour, p_subpixelorder);
/* Create a new image of the target format */
Image *high_image = new Image(width, height, p_colours, p_subpixelorder);
uint8_t* high_buff = high_image->WriteBuffer(width, height, p_colours, p_subpixelorder);
/* Set image to all black */
high_image->Clear();
unsigned int lo_x = limits ? limits->Lo().x_ : 0;
unsigned int lo_y = limits ? limits->Lo().y_ : 0;
unsigned int hi_x = limits ? limits->Hi().x_ : width - 1;
unsigned int hi_y = limits ? limits->Hi().y_ : height - 1;
if ( p_colours == ZM_COLOUR_GRAY8 ) {
for ( unsigned int y = lo_y; y <= hi_y; y++ ) {
const uint8_t* p = buffer + (y * linesize) + lo_x;
uint8_t* phigh = high_buff + (y * linesize) + lo_x;
for ( unsigned int x = lo_x; x <= hi_x; x++, p++, phigh++ ) {
bool edge = false;
if ( *p ) {
edge = (x > 0 && !*(p-1)) || (x < (width-1) && !*(p+1)) || (y > 0 && !*(p-width)) || (y < (height-1) && !*(p+width));
#if 0
if ( !edge && x > 0 && !*(p-1) ) edge = true;
if ( !edge && x < (width-1) && !*(p+1) ) edge = true;
if ( !edge && y > 0 && !*(p-width) ) edge = true;
if ( !edge && y < (height-1) && !*(p+width) ) edge = true;
#endif
}
if ( edge ) {
*phigh = colour;
}
}
}
} else if ( p_colours == ZM_COLOUR_RGB24 ) {
for ( unsigned int y = lo_y; y <= hi_y; y++ ) {
const uint8_t* p = buffer + (y * linesize) + lo_x;
uint8_t* phigh = high_buff + (((y * linesize) + lo_x) * 3);
for ( unsigned int x = lo_x; x <= hi_x; x++, p++, phigh += 3 ) {
bool edge = false;
if ( *p ) {
edge = (x > 0 && !*(p-1)) || (x < (width-1) && !*(p+1)) || (y > 0 && !*(p-width)) || (y < (height-1) && !*(p+width));
#if 0
if ( !edge && x > 0 && !*(p-1) ) edge = true;
if ( !edge && x < (width-1) && !*(p+1) ) edge = true;
if ( !edge && y > 0 && !*(p-width) ) edge = true;
if ( !edge && y < (height-1) && !*(p+width) ) edge = true;
#endif
}
if ( edge ) {
RED_PTR_RGBA(phigh) = RED_VAL_RGBA(colour);
GREEN_PTR_RGBA(phigh) = GREEN_VAL_RGBA(colour);
BLUE_PTR_RGBA(phigh) = BLUE_VAL_RGBA(colour);
}
}
}
} else if ( p_colours == ZM_COLOUR_RGB32 ) {
for ( unsigned int y = lo_y; y <= hi_y; y++ ) {
const uint8_t* p = buffer + (y * linesize) + lo_x;
Rgb* phigh = (Rgb*)(high_buff + (((y * linesize) + lo_x) * 4));
for ( unsigned int x = lo_x; x <= hi_x; x++, p++, phigh++ ) {
bool edge = false;
if ( *p ) {
edge = (x > 0 && !*(p-1)) || (x < (width-1) && !*(p+1)) || (y > 0 && !*(p-width)) || (y < (height-1) && !*(p+width));
#if 0
if ( !edge && x > 0 && !*(p-1) ) edge = true;
if ( !edge && x < (width-1) && !*(p+1) ) edge = true;
if ( !edge && y > 0 && !*(p-width) ) edge = true;
if ( !edge && y < (height-1) && !*(p+width) ) edge = true;
#endif
}
if ( edge ) {
*phigh = colour;
}
}
}
}
return high_image;
}
bool Image::ReadRaw(const char *filename) {
FILE *infile;
if ( (infile = fopen(filename, "rb")) == nullptr ) {
Error("Can't open %s: %s", filename, strerror(errno));
return false;
}
struct stat statbuf;
if ( fstat( fileno(infile), &statbuf ) < 0 ) {
fclose(infile);
Error("Can't fstat %s: %s", filename, strerror(errno));
return false;
}
if ( (unsigned int)statbuf.st_size != size ) {
fclose(infile);
Error("Raw file size mismatch, expected %d bytes, found %ld", size, statbuf.st_size);
return false;
}
if ( fread(buffer, size, 1, infile) < 1 ) {
fclose(infile);
Error("Unable to read from '%s': %s", filename, strerror(errno));
return false;
}
fclose(infile);
return true;
}
bool Image::WriteRaw(const char *filename) const {
FILE *outfile;
if ( (outfile = fopen(filename, "wb")) == nullptr ) {
Error("Can't open %s: %s", filename, strerror(errno));
return false;
}
if ( fwrite( buffer, size, 1, outfile ) != 1 ) {
Error("Unable to write to '%s': %s", filename, strerror(errno));
fclose(outfile);
return false;
}
fclose(outfile);
return true;
}
bool Image::ReadJpeg(const char *filename, unsigned int p_colours, unsigned int p_subpixelorder) {
unsigned int new_width, new_height, new_colours, new_subpixelorder;
struct jpeg_decompress_struct *cinfo = readjpg_dcinfo;
if ( !cinfo ) {
cinfo = readjpg_dcinfo = new jpeg_decompress_struct;
cinfo->err = jpeg_std_error(&jpg_err.pub);
jpg_err.pub.error_exit = zm_jpeg_error_exit;
jpg_err.pub.emit_message = zm_jpeg_emit_message;
jpeg_create_decompress(cinfo);
}
FILE *infile;
if ( (infile = fopen(filename, "rb")) == nullptr ) {
Error("Can't open %s: %s", filename, strerror(errno));
return false;
}
if ( setjmp(jpg_err.setjmp_buffer) ) {
jpeg_abort_decompress(cinfo);
fclose(infile);
return false;
}
jpeg_stdio_src(cinfo, infile);
jpeg_read_header(cinfo, TRUE);
if ( (cinfo->num_components != 1) && (cinfo->num_components != 3) ) {
Error("Unexpected colours when reading jpeg image: %d", colours);
jpeg_abort_decompress(cinfo);
fclose(infile);
return false;
}
/* Check if the image has at least one huffman table defined. If not, use the standard ones */
/* This is required for the MJPEG capture palette of USB devices */
if ( cinfo->dc_huff_tbl_ptrs[0] == nullptr ) {
zm_use_std_huff_tables(cinfo);
}
new_width = cinfo->image_width;
new_height = cinfo->image_height;
if ( (width != new_width) || (height != new_height) ) {
Debug(9, "Image dimensions differ. Old: %ux%u New: %ux%u", width, height, new_width, new_height);
}
switch ( p_colours ) {
case ZM_COLOUR_GRAY8:
cinfo->out_color_space = JCS_GRAYSCALE;
new_colours = ZM_COLOUR_GRAY8;
new_subpixelorder = ZM_SUBPIX_ORDER_NONE;
break;
case ZM_COLOUR_RGB32:
#ifdef JCS_EXTENSIONS
new_colours = ZM_COLOUR_RGB32;
if ( p_subpixelorder == ZM_SUBPIX_ORDER_BGRA ) {
cinfo->out_color_space = JCS_EXT_BGRX;
new_subpixelorder = ZM_SUBPIX_ORDER_BGRA;
} else if ( p_subpixelorder == ZM_SUBPIX_ORDER_ARGB ) {
cinfo->out_color_space = JCS_EXT_XRGB;
new_subpixelorder = ZM_SUBPIX_ORDER_ARGB;
} else if ( p_subpixelorder == ZM_SUBPIX_ORDER_ABGR ) {
cinfo->out_color_space = JCS_EXT_XBGR;