int lsmash_set_tyrant_chapter( lsmash_root_t *root, char *file_name, int add_bom )
{
/* This function should be called after updating of the latest movie duration. */
if( !root || !root->moov || !root->moov->mvhd || !root->moov->mvhd->timescale || !root->moov->mvhd->duration )
goto error_message;
/* check each line format */
fn_get_chapter_data fnc = isom_check_chap_line( file_name );
if( !fnc )
goto error_message;
FILE *chapter = fopen( file_name, "rb" );
if( !chapter )
{
lsmash_log( LSMASH_LOG_ERROR, "failed to open the chapter file \"%s\".\n", file_name );
goto error_message;
}
if( isom_add_udta( root, 0 ) || isom_add_chpl( root->moov ) )
goto fail;
isom_chapter_entry_t data = {0};
while( !fnc( chapter, &data ) )
{
if( add_bom )
{
char *chapter_name_with_bom = (char *)malloc( strlen( data.chapter_name ) + 1 + UTF8_BOM_LENGTH );
if( !chapter_name_with_bom )
goto fail2;
sprintf( chapter_name_with_bom, "%s%s", UTF8_BOM, data.chapter_name );
free( data.chapter_name );
data.chapter_name = chapter_name_with_bom;
}
data.start_time = (data.start_time + 50) / 100; /* convert to 100ns unit */
if( data.start_time / 1e7 > (double)root->moov->mvhd->duration / root->moov->mvhd->timescale )
{
lsmash_log( LSMASH_LOG_WARNING, "a chapter point exceeding the actual duration detected. This chapter point and the following ones (if any) will be cut off.\n" );
free( data.chapter_name );
break;
}
if( isom_add_chpl_entry( root->moov->udta->chpl, &data ) )
goto fail2;
free( data.chapter_name );
data.chapter_name = NULL;
}
fclose( chapter );
return 0;
fail2:
if( data.chapter_name )
free( data.chapter_name );
fail:
fclose( chapter );
error_message:
lsmash_log( LSMASH_LOG_ERROR, "failed to set chapter list.\n" );
return -1;
}
int lsmash_set_tyrant_chapter( lsmash_root_t *root, char *file_name, int add_bom )
{
if( isom_check_initializer_present( root ) < 0 )
goto error_message;
/* This function should be called after updating of the latest movie duration. */
lsmash_file_t *file = root->file;
if( !file
|| !file->moov
|| !file->moov->mvhd
|| file->moov->mvhd->timescale == 0
|| file->moov->mvhd->duration == 0 )
goto error_message;
/* check each line format */
fn_get_chapter_data fnc = isom_check_chap_line( file_name );
if( !fnc )
goto error_message;
FILE *chapter = lsmash_fopen( file_name, "rb" );
if( !chapter )
{
lsmash_log( NULL, LSMASH_LOG_ERROR, "failed to open the chapter file \"%s\".\n", file_name );
goto error_message;
}
if( (!file->moov->udta && !isom_add_udta( file->moov ))
|| (!file->moov->udta->chpl && !isom_add_chpl( file->moov->udta )) )
goto fail;
file->moov->udta->chpl->version = 1; /* version = 1 is popular. */
isom_chapter_entry_t data = { 0 };
while( !fnc( chapter, &data ) )
{
if( add_bom )
{
char *chapter_name_with_bom = (char *)lsmash_malloc( strlen( data.chapter_name ) + 1 + UTF8_BOM_LENGTH );
if( !chapter_name_with_bom )
goto fail2;
sprintf( chapter_name_with_bom, "%s%s", UTF8_BOM, data.chapter_name );
lsmash_free( data.chapter_name );
data.chapter_name = chapter_name_with_bom;
}
data.start_time = (data.start_time + 50) / 100; /* convert to 100ns unit */
if( data.start_time / 1e7 > (double)file->moov->mvhd->duration / file->moov->mvhd->timescale )
{
lsmash_log( NULL, LSMASH_LOG_WARNING,
"a chapter point exceeding the actual duration detected."
"This chapter point and the following ones (if any) will be cut off.\n" );
lsmash_free( data.chapter_name );
break;
}
if( isom_add_chpl_entry( file->moov->udta->chpl, &data ) < 0 )
goto fail2;
lsmash_freep( &data.chapter_name );
}
fclose( chapter );
return 0;
fail2:
lsmash_free( data.chapter_name );
fail:
fclose( chapter );
error_message:
lsmash_log( NULL, LSMASH_LOG_ERROR, "failed to set chapter list.\n" );
return LSMASH_ERR_NAMELESS;
}
