/*****************************************************************************
* xiph_test.c: Xiph unit tests
*****************************************************************************
* Copyright (C) 2019 VideoLabs, VideoLAN and VLC Authors
*
* 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
#include <vlc_common.h>
#include <vlc_codec.h>
#include "xiph.h"
static const uint8_t xiph0[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 };
static const uint8_t xiph1[] = { 0x02, 0x05, 0x01,
0x01, 0x02, 0x03, 0x04, 0x05,
0x01, 0x0A, 0x0B };
static const uint8_t xiphlavc0[] = { 0x00, 30,
0x01, 0x02, 0x03, 0x04, 0x05,
0x06, 0x07, 0x08, 0x09, 0x0A,
0x01, 0x02, 0x03, 0x04, 0x05,
0x06, 0x07, 0x08, 0x09, 0x0A,
0x01, 0x02, 0x03, 0x04, 0x05,
0x06, 0x07, 0x08, 0x09, 0x0A,
0x00, 0x01,
0x01,
0x00, 0x00 };
struct params_s
{
const void *packets[XIPH_MAX_HEADER_COUNT];
size_t packets_sizes[XIPH_MAX_HEADER_COUNT];
size_t packets_count;
bool lavc;
vlc_fourcc_t codec;
void *p_append;
size_t i_append;
};
#define BAILOUT(run) { fprintf(stderr, "failed %s line %d\n", run, __LINE__); \
return 1; }
#define RUN(run, test, a, b, res) \
if((!test(#test " " run, a, b, ¶ms)) != res) \
BAILOUT(#test " " run)
#define PASS(run, test, a, b) RUN(run, test, a, b, true)
#define FAIL(run, test, a, b) RUN(run, test, a, b, false)
#define EXPECT(foo) if(!(foo)) BAILOUT(run)
#define EXPECT_CLEANUP(foo, cleanup) if(!(foo)) { cleanup; BAILOUT(run) }
static int test_xiph_IsLavcFormat(const char *run,
const uint8_t *p_extra, size_t i_extra,
const struct params_s *source)
{
EXPECT(xiph_IsLavcFormat(p_extra, i_extra, source->codec) == source->lavc);
return 0;
}
static int test_xiph_CountHeaders(const char *run,
const uint8_t *p_extra, size_t i_extra,
const struct params_s *source)
{
EXPECT(xiph_CountHeaders(p_extra, i_extra) == source->packets_count);
return 0;
}
static int test_xiph_CountLavcHeaders(const char *run,
const uint8_t *p_extra, size_t i_extra,
const struct params_s *source)
{
EXPECT(xiph_CountLavcHeaders(p_extra, i_extra) == source->packets_count);
return 0;
}
static int SplitCompare(const char *run,
size_t packet_size[],
const void *packet[], size_t packet_count,
const struct params_s *source)
{
EXPECT(source->packets_count == packet_count);
for(unsigned i=0; i<packet_count; i++)
{
EXPECT(source->packets[i] == packet[i]);
EXPECT(source->packets_sizes[i] == packet_size[i]);
}
return VLC_SUCCESS;
}
static int test_xiph_SplitHeaders(const char *run,
const uint8_t *p_extra, size_t i_extra,
const struct params_s *source)
{
const void *packets[XIPH_MAX_HEADER_COUNT];
size_t packet_sizes[XIPH_MAX_HEADER_COUNT];
size_t packet_count;
int ret = xiph_SplitHeaders(packet_sizes, packets, &packet_count,
i_extra, p_extra);
if(ret == VLC_SUCCESS)
ret = SplitCompare(run, packet_sizes, packets, packet_count, source);
return ret;
}
static int test_xiph_SplitLavcHeaders(const char *run,
const uint8_t *p_extra, size_t i_extra,
const struct params_s *source)
{
const void *packets[XIPH_MAX_HEADER_COUNT];
size_t packet_sizes[XIPH_MAX_HEADER_COUNT];
size_t packet_count;
int ret = xiph_SplitLavcHeaders(packet_sizes, packets, &packet_count,
i_extra, p_extra);
if(ret == VLC_SUCCESS)
ret = SplitCompare(run, packet_sizes, packets, packet_count, source);
return ret;
}
static int test_xiph_PackHeaders(const char *run,
const uint8_t *p_extra, size_t i_extra,
struct params_s *source)
{
void *p_result;
size_t i_result;
int ret = xiph_PackHeaders(&i_result, &p_result,
source->packets_sizes,
source->packets, source->packets_count);
if(ret == VLC_SUCCESS)
{
EXPECT_CLEANUP((i_extra == (unsigned)i_result), free(p_result));
EXPECT_CLEANUP(!memcmp(p_extra, p_result, i_extra), free(p_result));
free(p_result);
}
return ret;
}
static int test_xiph_AppendHeaders(const char *run,
const uint8_t *p_extra, size_t i_extra,
struct params_s *source)
{
int ret = xiph_AppendHeaders(&source->i_append, &source->p_append,
source->packets_sizes[0], source->packets[0]);
if(ret == VLC_SUCCESS)
{
EXPECT_CLEANUP((i_extra == (unsigned)source->i_append),
free(source->p_append));
EXPECT_CLEANUP(!memcmp(p_extra, source->p_append, source->i_append),
free(source->p_append));
}
return ret;
}
int main(void)
{
struct params_s params;
params.lavc = false;
params.codec = VLC_CODEC_VORBIS;
/* check if we can detect lavc format */
PASS("0", test_xiph_IsLavcFormat, xiph0, 0);
PASS("1", test_xiph_IsLavcFormat, xiph0, 1);
PASS("2", test_xiph_IsLavcFormat, xiph0, 2);
PASS("3", test_xiph_IsLavcFormat, xiph0, 6);
PASS("lavc0", test_xiph_IsLavcFormat, xiph0, 0);
PASS("lavc1", test_xiph_IsLavcFormat, xiph0, 1);
PASS("lavc2", test_xiph_IsLavcFormat, xiph0, 6);
PASS("lavc3", test_xiph_IsLavcFormat, xiphlavc0, 0);
PASS("lavc4", test_xiph_IsLavcFormat, xiphlavc0, 1);
params.lavc = true;
PASS("lavc5", test_xiph_IsLavcFormat, xiphlavc0, 37);
params.codec = 0;
params.lavc = false;
PASS("lavc6", test_xiph_IsLavcFormat, xiphlavc0, 37);
/* check count and return 0 on error */
params.packets_count = 0;
PASS("0", test_xiph_CountHeaders, xiph0, 0);
params.packets_count = 1;
PASS("1", test_xiph_CountHeaders, xiph0, 1);
params.packets_count = 3;
PASS("2", test_xiph_CountHeaders, xiph1, 11);
/* check lavc only valid with count == 3 */
params.packets_count = 3;
params.codec = VLC_CODEC_VORBIS;
PASS("lavc0", test_xiph_CountLavcHeaders, xiphlavc0, 37);
params.packets_count = 0;
PASS("lavc1", test_xiph_CountLavcHeaders, xiphlavc0, 35);
PASS("lavc2", test_xiph_CountLavcHeaders, xiphlavc0, 0);
/* check split on single/trail packet (no index) */
params.packets[0] = &xiph0[1];
params.packets_sizes[0] = 5;
params.packets_count = 1;
PASS("0", test_xiph_SplitHeaders, xiph0, 6);
params.packets_sizes[0] = 0;
PASS("1", test_xiph_SplitHeaders, xiph0, 1);
/* check split */
params.packets_count = 3;
params.packets[0] = &xiph1[3];
params.packets_sizes[0] = 5;
params.packets[1] = &xiph1[8];
params.packets_sizes[1] = 1;
params.packets[2] = &xiph1[9];
params.packets_sizes[2] = 2;
PASS("2", test_xiph_SplitHeaders, xiph1, 11);
FAIL("3", test_xiph_SplitHeaders, xiph1, 7);
/* check variable length decoding */
uint8_t xiph2[265];
memset(xiph2, 0xFF, 265);
FAIL("4", test_xiph_SplitHeaders, xiph2, 265);
xiph2[0] = 1;
FAIL("5", test_xiph_SplitHeaders, xiph2, 265);
xiph2[2] = 1;
params.packets_count = 2;
params.packets[0] = &xiph2[3];
params.packets_sizes[0] = 256;
params.packets[1] = &xiph2[3+256];
params.packets_sizes[1] = 6;
PASS("6", test_xiph_SplitHeaders, xiph2, 265);
/* /!\ xiph2 content reused in another test below */
/* check lavc split */
params.packets_count = 3;
params.packets[0] = &xiphlavc0[2];
params.packets_sizes[0] = 30;
params.packets[1] = &xiphlavc0[34];
params.packets_sizes[1] = 1;
params.packets[2] = &xiphlavc0[37];
params.packets_sizes[2] = 0;
PASS("lavc0", test_xiph_SplitLavcHeaders, xiphlavc0, 37);
FAIL("lavc1", test_xiph_SplitLavcHeaders, xiphlavc0, 36);
FAIL("lavc2", test_xiph_SplitLavcHeaders, xiphlavc0, 31);
/* Test single packet packing */
params.packets_count = XIPH_MAX_HEADER_COUNT + 1;
FAIL("0", test_xiph_PackHeaders, xiph0, 6);
params.packets_count = 1;
params.packets[0] = &xiph0[1];
params.packets_sizes[0] = 5;
PASS("1", test_xiph_PackHeaders, xiph0, 6);
/* Test multiple packets packing */
params.packets_count = 0;
FAIL("2", test_xiph_PackHeaders, xiph1, 11);
params.packets_count = 3;
params.packets[0] = &xiph1[3];
params.packets_sizes[0] = 5;
params.packets[1] = &xiph1[8];
params.packets_sizes[1] = 1;
params.packets[2] = &xiph1[9];
params.packets_sizes[2] = 2;
PASS("3", test_xiph_PackHeaders, xiph1, 11);
/* Test multiple packets packing variable length encoding */
params.packets_count = 2;
params.packets[0] = &xiph2[3];
params.packets_sizes[0] = 256;
params.packets[1] = &xiph2[3+256];
params.packets_sizes[1] = 6;
PASS("4", test_xiph_PackHeaders, xiph2, 265);
/* Appending */
params.i_append = 0;
params.p_append = NULL;
params.packets[0] = &xiph0[1];
params.packets_sizes[0] = 5;
PASS("0", test_xiph_AppendHeaders, xiph0, 6);
/* append second time */
xiph2[0] = 1;
xiph2[1] = 5;
memcpy(&xiph2[2+0], &xiph0[1], 5);
memcpy(&xiph2[2+5], &xiph0[1], 5);
PASS("1", test_xiph_AppendHeaders, xiph2, 12);
/* check append array overflow */
free(params.p_append);
params.i_append = 0;
params.p_append = NULL;
for(size_t i=0; i<=XIPH_MAX_HEADER_COUNT; i++)
{
params.packets_sizes[0] = 0;
xiph2[0] = i;
xiph2[1 + i] = 0;
RUN("2", test_xiph_AppendHeaders, xiph2, 1 + i,
(i < XIPH_MAX_HEADER_COUNT) );
}
free(params.p_append);
return 0;
}
¤ Dauer der Verarbeitung: 0.1 Sekunden
(vorverarbeitet am 2026-11-04)
¤
*© Formatika GbR, Deutschland
|
|