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[MAD Decoder] Drop RIFF files to the next input 

Let the FFmpeg decoder handle RIFF files, if they happen to be named
.mp3 and not something like .wav.

Signed-off-by: Christopher Snowhill <kode54@gmail.com>
xcode15
Christopher Snowhill 2022-08-03 21:19:02 -07:00
parent ea3d38bcae
commit fbe232f791
1 changed files with 10 additions and 1 deletions
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11
Plugins/MAD/MADDecoder.m
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@ -105,7 +105,16 @@
const uint8_t *buffer = stream->this_frame; const uint8_t *buffer = stream->this_frame;
unsigned long buflen = stream->bufend - stream->this_frame; unsigned long buflen = stream->bufend - stream->this_frame;
if(10 <= buflen && 0x49 == buffer[0] && 0x44 == buffer[1] && 0x33 == buffer[2]) { if(8 <= buflen && 0x52 == buffer[0] && 0x49 == buffer[1] && 0x46 == buffer[2] &&
0x46 == buffer[3]) {
uint32_t riffLen = buffer[4] | (buffer[5] << 8) | (buffer[6] << 16) | (buffer[7] << 24);
if(riffLen + 8 == _fileSize ||
riffLen + 8 + 1 == _fileSize) { // In case of padding
ALog(@"Renamed RIFF file found, dropping to next input handler.");
return NO;
}
}
else if(10 <= buflen && 0x49 == buffer[0] && 0x44 == buffer[1] && 0x33 == buffer[2]) {
id3_length = (((buffer[6] & 0x7F) << (3 * 7)) | ((buffer[7] & 0x7F) << (2 * 7)) | id3_length = (((buffer[6] & 0x7F) << (3 * 7)) | ((buffer[7] & 0x7F) << (2 * 7)) |
((buffer[8] & 0x7F) << (1 * 7)) | ((buffer[9] & 0x7F) << (0 * 7))); ((buffer[8] & 0x7F) << (1 * 7)) | ((buffer[9] & 0x7F) << (0 * 7)));