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add checking based on number_type in the frame header

This commit is contained in:
Josh Coalson 2001-07-16 18:08:25 +00:00
parent 9608463921
commit 0fb3ee8f62
4 changed files with 8 additions and 0 deletions
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1
src/flac/encode.c
View File

@ -1112,6 +1112,7 @@ FLAC__StreamDecoderWriteStatus verify_write_callback(const FLAC__StreamDecoder *
}
}
FLAC__ASSERT(l < r);
FLAC__ASSERT(frame->header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER);
fprintf(stderr, " Absolute sample=%u, frame=%u, channel=%u, sample=%u, expected %d, got %d\n", (unsigned)frame->header.number.sample_number + sample, (unsigned)frame->header.number.sample_number / FLAC__stream_decoder_get_blocksize(decoder), channel, sample, expect, got); /*@@@ WATCHOUT: 4GB limit */
return FLAC__STREAM_DECODER_WRITE_ABORT;
}

3
src/libFLAC/file_decoder.c
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@ -441,6 +441,8 @@ FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decode
FLAC__uint64 next_frame_sample = this_frame_sample + (FLAC__uint64)frame->header.blocksize;
FLAC__uint64 target_sample = file_decoder->private->target_sample;
FLAC__ASSERT(frame->header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER);
file_decoder->private->last_frame = *frame; /* save the frame in the private */
if(this_frame_sample <= target_sample && target_sample < next_frame_sample) { /* we hit our target frame */
unsigned delta = (unsigned)(target_sample - this_frame_sample);
@ -639,6 +641,7 @@ FLAC__bool seek_to_absolute_sample_(FLAC__FileDecoder *decoder, long filesize, F
}
else { /* we need to narrow the search */
FLAC__uint64 this_frame_sample = decoder->private->last_frame.header.number.sample_number;
FLAC__ASSERT(decoder->private->last_frame.header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER);
if(this_frame_sample == last_frame_sample) {
/* our last move backwards wasn't big enough */
pos -= (last_pos - pos);

3
src/libFLAC/stream_decoder.c
View File

@ -941,6 +941,7 @@ FLAC__bool stream_decoder_read_frame_(FLAC__StreamDecoder *decoder, FLAC__bool *
decoder->protected->sample_rate = decoder->private->frame.header.sample_rate;
decoder->protected->blocksize = decoder->private->frame.header.blocksize;
FLAC__ASSERT(decoder->private->frame.header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER);
decoder->private->samples_decoded = decoder->private->frame.header.number.sample_number + decoder->private->frame.header.blocksize;
/* write it */
@ -1154,6 +1155,7 @@ FLAC__bool stream_decoder_read_frame_header_(FLAC__StreamDecoder *decoder)
decoder->protected->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
return true;
}
decoder->private->frame.header.number_type = FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER;
decoder->private->frame.header.number.sample_number = xx;
}
else {
@ -1168,6 +1170,7 @@ FLAC__bool stream_decoder_read_frame_header_(FLAC__StreamDecoder *decoder)
}
decoder->private->last_frame_number = x;
if(decoder->private->has_stream_info) {
decoder->private->frame.header.number_type = FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER;
decoder->private->frame.header.number.sample_number = (FLAC__int64)decoder->private->stream_info.data.stream_info.min_blocksize * (FLAC__int64)x;
}
else {

1
src/libFLAC/stream_encoder_framing.c
View File

@ -222,6 +222,7 @@ FLAC__bool FLAC__frame_add_header(const FLAC__FrameHeader *header, FLAC__bool st
if(!FLAC__bitbuffer_write_raw_uint32(bb, 0, FLAC__FRAME_HEADER_ZERO_PAD_LEN))
return false;
FLAC__ASSERT(header->number_type == FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER);
if(!FLAC__bitbuffer_write_utf8_uint32(bb, header->number.frame_number))
return false;