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add checks for changing bps/sample_rate/channels mid-stream

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This commit is contained in:
Josh Coalson 2002-08-31 05:48:00 +00:00
parent 214d319181
commit eda534f27f
1 changed files with 14 additions and 1 deletions
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15
src/flac/decode.c
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@ -535,7 +535,7 @@ FLAC__StreamDecoderWriteStatus write_callback(const void *decoder, const FLAC__F
{
DecoderSession *decoder_session = (DecoderSession*)client_data;
FILE *fout = decoder_session->fout;
unsigned bps = decoder_session->bps, channels = decoder_session->channels;
const unsigned bps = frame->header.bits_per_sample, channels = frame->header.channels;
FLAC__bool is_big_endian = (decoder_session->is_wave_out? false : decoder_session->is_big_endian);
FLAC__bool is_unsigned_samples = (decoder_session->is_wave_out? bps<=8 : decoder_session->is_unsigned_samples);
unsigned wide_samples = frame->header.blocksize, wide_sample, sample, channel, byte;
@ -551,6 +551,19 @@ FLAC__StreamDecoderWriteStatus write_callback(const void *decoder, const FLAC__F
if(decoder_session->abort_flag)
return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
if(bps != decoder_session->bps) {
fprintf("ERROR, bits-per-sample is %u in frame but %u in STREAMINFO\n", bps, decoder_session->bps);
return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
}
if(channels != decoder_session->channels) {
fprintf("ERROR, channels is %u in frame but %u in STREAMINFO\n", channels, decoder_session->channels);
return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
}
if(frame->header.sample_rate != decoder_session->sample_rate) {
fprintf("ERROR, sample rate is %u in frame but %u in STREAMINFO\n", frame->header.sample_rate, decoder_session->sample_rate);
return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
}
decoder_session->samples_processed += wide_samples;
decoder_session->frame_counter++;