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engine: soundlib: fix searching for a RIFF/WAVE chunks in streams

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This commit is contained in:
Alibek Omarov 2024-04-26 06:32:45 +03:00
parent 1494887e29
commit e7653d2ea6
2 changed files with 15 additions and 6 deletions
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2
engine/common/soundlib/snd_utils.c
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@ -130,8 +130,6 @@ uint GAME_EXPORT Sound_GetApproxWavePlayLen( const char *filepath )
return msecs;
}
#define drint( v ) (int)( v + 0.5 )
/*
================
Sound_ResampleInternal

19
engine/common/soundlib/snd_wav.c
View file

@ -149,13 +149,16 @@ static qboolean StreamFindNextChunk( file_t *file, const char *name, int *last_c
return false; // didn't find the chunk
FS_Seek( file, 4, SEEK_CUR );
FS_Read( file, &iff_chunk_len, sizeof( iff_chunk_len ));
if( FS_Read( file, &iff_chunk_len, sizeof( iff_chunk_len )) != sizeof( iff_chunk_len ))
return false;
if( iff_chunk_len < 0 )
return false; // didn't find the chunk
FS_Seek( file, -8, SEEK_CUR );
*last_chunk = FS_Tell( file ) + 8 + (( iff_chunk_len + 1 ) & ~1 );
FS_Read( file, chunkName, 4 );
if( FS_Read( file, chunkName, sizeof( chunkName )) != sizeof( chunkName ))
return false;
if( IsFourCC( chunkName, name ))
return true;
@ -361,7 +364,15 @@ stream_t *Stream_OpenWAV( const char *filename )
return NULL;
}
FS_Read( file, chunkName, 4 );
FS_Seek( file, 4, SEEK_CUR );
if( FS_Read( file, chunkName, 4 ) != 4 )
{
Con_DPrintf( S_ERROR "%s: %s missing WAVE chunk, truncated\n", filename );
FS_Close( file );
return false;
}
if( !IsFourCC( chunkName, "WAVE" ))
{
Con_DPrintf( S_ERROR "Stream_OpenWAV: %s missing WAVE chunk\n", filename );
@ -370,7 +381,7 @@ stream_t *Stream_OpenWAV( const char *filename )
}
// get "fmt " chunk
iff_data = FS_Tell( file ) + 4;
iff_data = FS_Tell( file );
last_chunk = iff_data;
if( !StreamFindNextChunk( file, "fmt ", &last_chunk ))
{