FFmpeg coverage

GCC Code Coverage Report

Directory:	../../../ffmpeg/		Exec	Total	Coverage
File:	src/libavcodec/roqvideo.c	Lines:	66	70	94.3 %
Date:	2020-10-23 17:01:47	Branches:	9	14	64.3 %


/*
 * Copyright (C) 2003 Mike Melanson
 * Copyright (C) 2003 Dr. Tim Ferguson
 *
 * 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
 */

/**
 * @file
 * id RoQ Video common functions based on work by Dr. Tim Ferguson
 */

#include "avcodec.h"
#include "roqvideo.h"

static inline void block_copy(unsigned char *out, unsigned char *in,
                              int outstride, int instride, int sz)
{
    int rows = sz;
    while(rows--) {
        memcpy(out, in, sz);
        out += outstride;
        in += instride;
    }
}

void ff_apply_vector_2x2(RoqContext *ri, int x, int y, roq_cell *cell)
{
    unsigned char *bptr;
    int boffs,stride;

    stride = ri->current_frame->linesize[0];
    boffs = y*stride + x;

    bptr = ri->current_frame->data[0] + boffs;
    bptr[0       ] = cell->y[0];
    bptr[1       ] = cell->y[1];
    bptr[stride  ] = cell->y[2];
    bptr[stride+1] = cell->y[3];

    stride = ri->current_frame->linesize[1];
    boffs = y*stride + x;

    bptr = ri->current_frame->data[1] + boffs;
    bptr[0       ] =
    bptr[1       ] =
    bptr[stride  ] =
    bptr[stride+1] = cell->u;

    bptr = ri->current_frame->data[2] + boffs;
    bptr[0       ] =
    bptr[1       ] =
    bptr[stride  ] =
    bptr[stride+1] = cell->v;
}

void ff_apply_vector_4x4(RoqContext *ri, int x, int y, roq_cell *cell)
{
    unsigned char *bptr;
    int boffs,stride;

    stride = ri->current_frame->linesize[0];
    boffs = y*stride + x;

    bptr = ri->current_frame->data[0] + boffs;
    bptr[         0] = bptr[         1] = bptr[stride    ] = bptr[stride  +1] = cell->y[0];
    bptr[         2] = bptr[         3] = bptr[stride  +2] = bptr[stride  +3] = cell->y[1];
    bptr[stride*2  ] = bptr[stride*2+1] = bptr[stride*3  ] = bptr[stride*3+1] = cell->y[2];
    bptr[stride*2+2] = bptr[stride*2+3] = bptr[stride*3+2] = bptr[stride*3+3] = cell->y[3];

    stride = ri->current_frame->linesize[1];
    boffs = y*stride + x;

    bptr = ri->current_frame->data[1] + boffs;
    bptr[         0] = bptr[         1] = bptr[stride    ] = bptr[stride  +1] =
    bptr[         2] = bptr[         3] = bptr[stride  +2] = bptr[stride  +3] =
    bptr[stride*2  ] = bptr[stride*2+1] = bptr[stride*3  ] = bptr[stride*3+1] =
    bptr[stride*2+2] = bptr[stride*2+3] = bptr[stride*3+2] = bptr[stride*3+3] = cell->u;

    bptr = ri->current_frame->data[2] + boffs;
    bptr[         0] = bptr[         1] = bptr[stride    ] = bptr[stride  +1] =
    bptr[         2] = bptr[         3] = bptr[stride  +2] = bptr[stride  +3] =
    bptr[stride*2  ] = bptr[stride*2+1] = bptr[stride*3  ] = bptr[stride*3+1] =
    bptr[stride*2+2] = bptr[stride*2+3] = bptr[stride*3+2] = bptr[stride*3+3] = cell->v;
}


static inline void apply_motion_generic(RoqContext *ri, int x, int y, int deltax,
                                        int deltay, int sz)
{
    int mx, my, cp;

    mx = x + deltax;
    my = y + deltay;

    /* check MV against frame boundaries */
    if ((mx < 0) || (mx > ri->width - sz) ||
        (my < 0) || (my > ri->height - sz)) {
        av_log(ri->avctx, AV_LOG_ERROR, "motion vector out of bounds: MV = (%d, %d), boundaries = (0, 0, %d, %d)\n",
            mx, my, ri->width, ri->height);
        return;
    }

    if (!ri->last_frame->data[0]) {
        av_log(ri->avctx, AV_LOG_ERROR, "Invalid decode type. Invalid header?\n");
        return;
    }

    for(cp = 0; cp < 3; cp++) {
        int outstride = ri->current_frame->linesize[cp];
        int instride  = ri->last_frame   ->linesize[cp];
        block_copy(ri->current_frame->data[cp] + y*outstride + x,
                   ri->last_frame->data[cp] + my*instride + mx,
                   outstride, instride, sz);
    }
}


void ff_apply_motion_4x4(RoqContext *ri, int x, int y,
                             int deltax, int deltay)
{
    apply_motion_generic(ri, x, y, deltax, deltay, 4);
}

void ff_apply_motion_8x8(RoqContext *ri, int x, int y,
                             int deltax, int deltay)
{
    apply_motion_generic(ri, x, y, deltax, deltay, 8);
}


Generated by: GCOVR (Version 4.2)

Line	Branch	Exec	Source
1			/*
2			* Copyright (C) 2003 Mike Melanson
3			* Copyright (C) 2003 Dr. Tim Ferguson
4			*
5			* This file is part of FFmpeg.
6			*
7			* FFmpeg is free software; you can redistribute it and/or
8			* modify it under the terms of the GNU Lesser General Public
9			* License as published by the Free Software Foundation; either
10			* version 2.1 of the License, or (at your option) any later version.
11			*
12			* FFmpeg is distributed in the hope that it will be useful,
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15			* Lesser General Public License for more details.
16			*
17			* You should have received a copy of the GNU Lesser General Public
18			* License along with FFmpeg; if not, write to the Free Software
19			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20			*/
21
22			/**
23			* @file
24			* id RoQ Video common functions based on work by Dr. Tim Ferguson
25			*/
26
27			#include "avcodec.h"
28			#include "roqvideo.h"
29
30		1771605	static inline void block_copy(unsigned char out, unsigned char in,
31			int outstride, int instride, int sz)
32			{
33		1771605	int rows = sz;
34	✓✓	9014733	while(rows--) {
35		7243128	memcpy(out, in, sz);
36		7243128	out += outstride;
37		7243128	in += instride;
38			}
39		1771605	}
40
41		2213788	void ff_apply_vector_2x2(RoqContext ri, int x, int y, roq_cell cell)
42			{
43			unsigned char *bptr;
44			int boffs,stride;
45
46		2213788	stride = ri->current_frame->linesize[0];
47		2213788	boffs = y*stride + x;
48
49		2213788	bptr = ri->current_frame->data[0] + boffs;
50		2213788	bptr[0 ] = cell->y[0];
51		2213788	bptr[1 ] = cell->y[1];
52		2213788	bptr[stride ] = cell->y[2];
53		2213788	bptr[stride+1] = cell->y[3];
54
55		2213788	stride = ri->current_frame->linesize[1];
56		2213788	boffs = y*stride + x;
57
58		2213788	bptr = ri->current_frame->data[1] + boffs;
59		2213788	bptr[0 ] =
60		2213788	bptr[1 ] =
61		2213788	bptr[stride ] =
62		2213788	bptr[stride+1] = cell->u;
63
64		2213788	bptr = ri->current_frame->data[2] + boffs;
65		2213788	bptr[0 ] =
66		2213788	bptr[1 ] =
67		2213788	bptr[stride ] =
68		2213788	bptr[stride+1] = cell->v;
69		2213788	}
70
71		38568	void ff_apply_vector_4x4(RoqContext ri, int x, int y, roq_cell cell)
72			{
73			unsigned char *bptr;
74			int boffs,stride;
75
76		38568	stride = ri->current_frame->linesize[0];
77		38568	boffs = y*stride + x;
78
79		38568	bptr = ri->current_frame->data[0] + boffs;
80		38568	bptr[ 0] = bptr[ 1] = bptr[stride ] = bptr[stride +1] = cell->y[0];
81		38568	bptr[ 2] = bptr[ 3] = bptr[stride +2] = bptr[stride +3] = cell->y[1];
82		38568	bptr[stride2 ] = bptr[stride2+1] = bptr[stride3 ] = bptr[stride3+1] = cell->y[2];
83		38568	bptr[stride2+2] = bptr[stride2+3] = bptr[stride3+2] = bptr[stride3+3] = cell->y[3];
84
85		38568	stride = ri->current_frame->linesize[1];
86		38568	boffs = y*stride + x;
87
88		38568	bptr = ri->current_frame->data[1] + boffs;
89		38568	bptr[ 0] = bptr[ 1] = bptr[stride ] = bptr[stride +1] =
90		38568	bptr[ 2] = bptr[ 3] = bptr[stride +2] = bptr[stride +3] =
91		38568	bptr[stride2 ] = bptr[stride2+1] = bptr[stride3 ] = bptr[stride3+1] =
92		38568	bptr[stride2+2] = bptr[stride2+3] = bptr[stride3+2] = bptr[stride3+3] = cell->u;
93
94		38568	bptr = ri->current_frame->data[2] + boffs;
95		38568	bptr[ 0] = bptr[ 1] = bptr[stride ] = bptr[stride +1] =
96		38568	bptr[ 2] = bptr[ 3] = bptr[stride +2] = bptr[stride +3] =
97		38568	bptr[stride2 ] = bptr[stride2+1] = bptr[stride3 ] = bptr[stride3+1] =
98		38568	bptr[stride2+2] = bptr[stride2+3] = bptr[stride3+2] = bptr[stride3+3] = cell->v;
99		38568	}
100
101
102		590535	static inline void apply_motion_generic(RoqContext *ri, int x, int y, int deltax,
103			int deltay, int sz)
104			{
105			int mx, my, cp;
106
107		590535	mx = x + deltax;
108		590535	my = y + deltay;
109
110			/* check MV against frame boundaries */
111	✓✗✓✗ ✓✗	590535	if ((mx < 0) \|\| (mx > ri->width - sz) \|\|
112	✗✓	590535	(my < 0) \|\| (my > ri->height - sz)) {
113			av_log(ri->avctx, AV_LOG_ERROR, "motion vector out of bounds: MV = (%d, %d), boundaries = (0, 0, %d, %d)\n",
114			mx, my, ri->width, ri->height);
115			return;
116			}
117
118	✗✓	590535	if (!ri->last_frame->data[0]) {
119			av_log(ri->avctx, AV_LOG_ERROR, "Invalid decode type. Invalid header?\n");
120			return;
121			}
122
123	✓✓	2362140	for(cp = 0; cp < 3; cp++) {
124		1771605	int outstride = ri->current_frame->linesize[cp];
125		1771605	int instride = ri->last_frame ->linesize[cp];
126		1771605	block_copy(ri->current_frame->data[cp] + y*outstride + x,
127		1771605	ri->last_frame->data[cp] + my*instride + mx,
128			outstride, instride, sz);
129			}
130			}
131
132
133		577476	void ff_apply_motion_4x4(RoqContext *ri, int x, int y,
134			int deltax, int deltay)
135			{
136		577476	apply_motion_generic(ri, x, y, deltax, deltay, 4);
137		577476	}
138
139		13059	void ff_apply_motion_8x8(RoqContext *ri, int x, int y,
140			int deltax, int deltay)
141			{
142		13059	apply_motion_generic(ri, x, y, deltax, deltay, 8);
143		13059	}