/*****************************************************************************
* hxxx.c tests NAL conversions
*****************************************************************************
* Copyright (C) 2015 VLC authors and VideoLAN
*
* This program 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.
*
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef NDEBUG
#undef NDEBUG
#endif
#include <assert.h>
#include <vlc_common.h>
#include <vlc_block.h>
#include "../modules/packetizer/hxxx_nal.h"
#include "../modules/packetizer/hxxx_nal.c"
static void test_iterators( const uint8_t *p_ab, size_t i_ab, /* AnnexB */
const uint8_t **pp_prefix, size_t *pi_prefix /* Prefixed */ )
{
printf("INPUT SET : ");
for(size_t j=0; j<i_ab; j++)
printf("0x%.2x, ", p_ab[j] );
printf("\n");
for( unsigned int i=0; i<3; i++)
{
const uint8_t *p_prefix = pp_prefix[i];
size_t i_prefix = pi_prefix[i];
printf("Test with prefix len %d:\n", 1 << i);
hxxx_iterator_ctx_t it_ab;
hxxx_iterator_init( &it_ab, p_ab, i_ab, 0 );
hxxx_iterator_ctx_t it_prefix;
hxxx_iterator_init( &it_prefix, p_prefix, i_prefix, 1 << i );
const uint8_t *p_start_ab; size_t i_size_ab;
const uint8_t *p_start_prefix; size_t i_size_prefix;
bool b1 = true;
bool b2 = true;
int i_nal = 0;
while(b1 && b2)
{
/* hxxx_*_iterate_next can potentially not set these pointers. */
p_start_ab = NULL;
p_start_prefix = NULL;
b1 = hxxx_annexb_iterate_next( &it_ab, &p_start_ab, &i_size_ab );
b2 = hxxx_iterate_next( &it_prefix, &p_start_prefix, &i_size_prefix );
printf("NAL %d ", i_nal++);
if( b1 != b2 )
printf(", returns %d != %d\n", b1, b2);
assert(b1 == b2);
if( b1 && b2 )
{
assert(i_size_ab == i_size_prefix);
assert(memcmp(p_start_ab, p_start_prefix, i_size_ab) == 0);
for(size_t j=0; j<i_size_ab; j++)
printf("0x%.2x, ", p_start_ab[j] );
printf("\n");
}
}
printf("\n");
}
}
static void testannexbin( const uint8_t *p_data, size_t i_data,
const uint8_t **pp_res, size_t *pi_res )
{
printf("INPUT SET : ");
for(size_t j=0; j<i_data; j++)
printf("0x%.2x, ", p_data[j] );
printf("\n");
for( unsigned int i=0; i<3; i++)
{
block_t *p_block = block_Alloc( i_data );
memcpy( p_block->p_buffer, p_data, i_data );
p_block = hxxx_AnnexB_to_xVC( p_block, 1 << i );
printf("DUMP prefix %d: ", 1 << i);
if( p_block )
{
for(size_t j=0; j<p_block->i_buffer; j++)
printf("0x%.2x, ", p_block->p_buffer[j] );
printf("\n");
printf("COMPARE SET : ");
for(size_t j=0; j<pi_res[i]; j++)
printf("0x%.2x, ", pp_res[i][j] );
printf("\n");
assert( p_block->i_buffer == pi_res[i] );
assert( memcmp( p_block->p_buffer, pp_res[i], pi_res[i] ) == 0 );
block_Release( p_block );
}
else
{
printf("** No output **\n");
assert(0);
}
}
}
#define runtest(number, name, testfunction) \
printf("\nTEST %d %s\n", number, name);\
p_res[0] = test##number##_avcdata1; rgi_res[0] = sizeof(test##number##_avcdata1);\
p_res[1] = test##number##_avcdata2; rgi_res[1] = sizeof(test##number##_avcdata2);\
p_res[2] = test##number##_avcdata4; rgi_res[2] = sizeof(test##number##_avcdata4);\
testfunction( test##number##_annexbdata, sizeof(test##number##_annexbdata), \
p_res, rgi_res )
static void test_annexb( void )
{
const uint8_t *p_res[3];
size_t rgi_res[3];
/* Full mixed set */
const uint8_t test1_annexbdata[] = { 0, 0, 0, 1, 0x55, 0x55, 0x55, 0x55, 0x55,
0, 0, 1, 0x22, 0x22,
0, 0, 0, 1, 0x11,
0, 0, 1, 0x11,
0, 0, 0, 1, 0x33, 0x33, 0x33, };
const uint8_t test1_avcdata1[] = { 5, 0x55, 0x55, 0x55, 0x55, 0x55,
2, 0x22, 0x22,
1, 0x11,
1, 0x11,
3, 0x33, 0x33, 0x33, };
const uint8_t test1_avcdata2[] = { 0, 5, 0x55, 0x55, 0x55, 0x55, 0x55,
0, 2, 0x22, 0x22,
0, 1, 0x11,
0, 1, 0x11,
0, 3, 0x33, 0x33, 0x33, };
const uint8_t test1_avcdata4[] = { 0, 0, 0, 5, 0x55, 0x55, 0x55, 0x55, 0x55,
0, 0, 0, 2, 0x22, 0x22,
0, 0, 0, 1, 0x11,
0, 0, 0, 1, 0x11,
0, 0, 0, 3, 0x33, 0x33, 0x33, };
/* single nal test */
const uint8_t test2_annexbdata[] = { 0, 0, 0, 1, 0x55, 0x55, 0x55, 0x55, 0x55 };
const uint8_t test2_avcdata1[] = { 5, 0x55, 0x55, 0x55, 0x55, 0x55 };
const uint8_t test2_avcdata2[] = { 0, 5, 0x55, 0x55, 0x55, 0x55, 0x55 };
const uint8_t test2_avcdata4[] = { 0, 0, 0, 5, 0x55, 0x55, 0x55, 0x55, 0x55 };
/* single nal test, startcode 3 */
const uint8_t test3_annexbdata[] = { 0, 0, 1, 0x11 };
const uint8_t test3_avcdata1[] = { 1, 0x11 };
const uint8_t test3_avcdata2[] = { 0, 1, 0x11 };
const uint8_t test3_avcdata4[] = { 0, 0, 0, 1, 0x11 };
/* empty nal test */
const uint8_t test4_annexbdata[] = { 0, 0, 1 };
const uint8_t test4_avcdata1[] = { 0 };
const uint8_t test4_avcdata2[] = { 0, 0 };
const uint8_t test4_avcdata4[] = { 0, 0, 0, 0 };
/* 4 bytes prefixed nal only (4 prefix optz) */
const uint8_t test5_annexbdata[] = { 0, 0, 0, 1, 0x11, 0, 0, 0, 1, 0x22, 0x22 };
const uint8_t test5_avcdata1[] = { 1, 0x11, 2, 0x22, 0x22 };
const uint8_t test5_avcdata2[] = { 0, 1, 0x11, 0, 2, 0x22, 0x22 };
const uint8_t test5_avcdata4[] = { 0, 0, 0, 1, 0x11, 0, 0, 0, 2, 0x22, 0x22 };
/* startcode repeat / empty nal */
const uint8_t test6_annexbdata[] = { 0, 0, 1, 0x11, 0, 0, 1, 0, 0, 1 };
const uint8_t test6_avcdata1[] = { 1, 0x11, 0, 0 };
const uint8_t test6_avcdata2[] = { 0, 1, 0x11, 0, 0, 0, 0 };
const uint8_t test6_avcdata4[] = { 0, 0, 0, 1, 0x11, 0, 0, 0, 0, 0, 0, 0, 0 };
/* empty nal variation test */
const uint8_t test7_annexbdata[] = { 0, 0, 0, 1 };
const uint8_t test7_avcdata1[] = { 0 };
const uint8_t test7_avcdata2[] = { 0, 0 };
const uint8_t test7_avcdata4[] = { 0, 0, 0, 0 };
/* padding/trailing zeroes stripping */
const uint8_t test8_annexbdata[] = { 0, 0, 0, 0, 0, 1, 0xff, 0, 0, 0, 0, 0, 1, 0xff, 0 };
const uint8_t test8_avcdata1[] = { 1, 0xff, 1, 0xff };
const uint8_t test8_avcdata2[] = { 0, 1, 0xff, 0, 1, 0xff };
const uint8_t test8_avcdata4[] = { 0, 0, 0, 1, 0xff, 0, 0, 0, 1, 0xff };
runtest(4, "empty nal test", testannexbin);
runtest(2, "single nal test", testannexbin);
runtest(3, "single nal test, startcode 3", testannexbin);
runtest(5, "4 bytes prefixed nal only (4 prefix optz)", testannexbin);
runtest(1, "mixed nal set", testannexbin);
runtest(6, "startcode repeat / empty nal", testannexbin);
runtest(1, "IT mixed nal set", test_iterators);
runtest(2, "IT single nal test", test_iterators);
runtest(3, "IT single nal test, startcode 3", test_iterators);
runtest(4, "IT empty nal test", test_iterators);
runtest(5, "IT 4 bytes prefixed nal only (4 prefix optz)", test_iterators);
runtest(6, "startcode repeat / empty nal", test_iterators);
runtest(7, "IT empty nal", test_iterators);
runtest(8, "IT zeroes stripping", test_iterators);
printf("\nTEST 9 borkage test\n");\
rgi_res[0] = 0;
rgi_res[1] = rgi_res[2] = 1;
p_res[0] = NULL;
p_res[1] = p_res[2] = test7_avcdata1;
test_iterators( NULL, 0, p_res, rgi_res );
}
int main( void )
{
test_annexb();
return 0;
}
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