vlc | branch: master | Francois Cartegnie <fcvlc...@free.fr> | Thu Apr 12 
07:22:39 2018 +0200| [65a3c5eb54d6193309c406b25a857162f6715e40] | committer: 
Francois Cartegnie

tests: add annexb lookup test

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=65a3c5eb54d6193309c406b25a857162f6715e40
---

 test/Makefile.am                  |   3 +
 test/modules/packetizer/helpers.c | 138 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 141 insertions(+)

diff --git a/test/Makefile.am b/test/Makefile.am
index 9668821507..0516580999 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -30,6 +30,7 @@ check_PROGRAMS = \
        test_src_misc_bits \
        test_src_misc_epg \
        test_src_misc_keystore \
+       test_modules_packetizer_helpers \
        test_modules_packetizer_hxxx \
        test_modules_keystore
 if ENABLE_SOUT
@@ -123,6 +124,8 @@ test_src_misc_keystore_SOURCES = src/misc/keystore.c
 test_src_misc_keystore_LDADD = $(LIBVLCCORE) $(LIBVLC)
 test_src_interface_dialog_SOURCES = src/interface/dialog.c
 test_src_interface_dialog_LDADD = $(LIBVLCCORE) $(LIBVLC)
+test_modules_packetizer_helpers_SOURCES = modules/packetizer/helpers.c
+test_modules_packetizer_helpers_LDADD = $(LIBVLCCORE) $(LIBVLC)
 test_modules_packetizer_hxxx_SOURCES = modules/packetizer/hxxx.c
 test_modules_packetizer_hxxx_LDADD = $(LIBVLCCORE) $(LIBVLC)
 test_modules_keystore_SOURCES = modules/keystore/test.c
diff --git a/test/modules/packetizer/helpers.c 
b/test/modules/packetizer/helpers.c
new file mode 100644
index 0000000000..0ef5e5db48
--- /dev/null
+++ b/test/modules/packetizer/helpers.c
@@ -0,0 +1,138 @@
+/*****************************************************************************
+ * helpers.c:
+ *****************************************************************************
+ * Copyright © 2018 VideoLabs and VideoLAN 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
+
+#undef NDEBUG
+#include <assert.h>
+
+#include <vlc_common.h>
+#include <vlc_block.h>
+#include <vlc_block_helper.h>
+
+#include "../modules/packetizer/startcode_helper.h"
+
+struct results_s
+{
+    size_t offset;
+    size_t size;
+};
+
+static int check_set( const uint8_t *p_set, const uint8_t *p_end,
+                      const struct results_s *p_results, size_t i_results,
+                      ssize_t i_results_offset,
+                      const uint8_t *(*pf_find)(const uint8_t *, const uint8_t 
*))
+{
+    const uint8_t *p = p_set;
+    size_t i_entry = 0;
+    while( p != NULL )
+    {
+        p = pf_find( p, p_end );
+        if( p == NULL )
+            break;
+        printf("- entry %zu offset %ld\n", i_entry, p - p_set);
+        if( i_entry == i_results )
+            break;
+        if( p_results[i_entry].offset + i_results_offset != (size_t) (p - 
p_set) )
+            return 1;
+        i_entry++;
+        p++;
+    }
+
+    if( p != NULL || i_entry != i_results )
+        return 1;
+
+    return 0;
+}
+
+static int run_annexb_sets( const uint8_t *p_set, const uint8_t *p_end,
+                            const struct results_s *p_results, size_t 
i_results,
+                            ssize_t i_results_offset )
+{
+    int i_ret;
+
+    printf("checking bits code:\n");
+    i_ret = check_set( p_set, p_end, p_results, i_results, i_results_offset,
+                       startcode_FindAnnexB_Bits );
+    if( i_ret != 0 )
+        return i_ret;
+
+    /* Perform same tests on simd optimized code */
+    if( startcode_FindAnnexB_Bits != startcode_FindAnnexB )
+    {
+        printf("checking asm:\n");
+        i_ret = check_set( p_set, p_end, p_results, i_results, 
i_results_offset,
+                           startcode_FindAnnexB );
+        if( i_ret != 0 )
+            return i_ret;
+    }
+    else printf("asm not built in, skipping test:\n");
+
+    return 0;
+}
+
+int main( void )
+{
+    const uint8_t test1_annexbdata[] = { 0, 0, 0, 1, 0x55, 0x55, 0x55, 0x55, 
0x55, // 9
+                                         0, 0, 1, 0x22, 0x22, //14
+                                         0, 0, 1, 0x0, 0x0, //19
+                                         0, 0, 1, //22
+                                         0, 0, 1, 0, //26
+                                         0, 0, 1, 0x11, //30
+                                         0, 0, 1,
+                                       };
+    const struct results_s test1_results[] = {
+                                        { 1,  3 + 5 },
+                                        { 9,  3 + 2 },
+                                        { 14, 3 + 2 },
+                                        { 19, 3 + 0 },
+                                        { 22, 3 + 1 },
+                                        { 26, 3 + 1 },
+                                        { 30, 3 + 0 },
+                                       };
+
+    printf("* Running tests on set 1:\n");
+    int i_ret = run_annexb_sets( test1_annexbdata,
+                                 test1_annexbdata + sizeof(test1_annexbdata),
+                                 test1_results, ARRAY_SIZE(test1_results), 0 );
+    if( i_ret != 0 )
+        return i_ret;
+
+    uint8_t *p_data = malloc( 4096 );
+    if( p_data )
+    {
+        const ssize_t i_dataoffset = 4096 - sizeof(test1_annexbdata) - 111;
+        memset( p_data, 0x42, 4096 );
+        memcpy( &p_data[i_dataoffset],
+                test1_annexbdata, sizeof(test1_annexbdata) );
+        printf("* Running tests on extended set 1:\n");
+        i_ret = run_annexb_sets( p_data,
+                                 p_data + 4096,
+                                 test1_results, ARRAY_SIZE(test1_results),
+                                 i_dataoffset );
+        free( p_data );
+        if( i_ret != 0 )
+            return i_ret;
+    }
+
+    return 0;
+}

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