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new blurb-based bitbuffer design changes

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Josh Coalson
2002-03-12 16:19:54 +00:00
parent 28b18573be
commit aec256bf4e
5 changed files with 895 additions and 412 deletions
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12
src/libFLAC/stream_encoder_framing.c
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@@ -114,12 +114,9 @@ FLAC__bool FLAC__add_metadata_block(const FLAC__StreamMetaData *metadata, FLAC__
FLAC__bool FLAC__frame_add_header(const FLAC__FrameHeader *header, FLAC__bool streamable_subset, FLAC__bool is_last_block, FLAC__BitBuffer *bb)
{
unsigned u, crc8_start, blocksize_hint, sample_rate_hint;
FLAC__byte crc8;
unsigned u, blocksize_hint, sample_rate_hint;
FLAC__ASSERT(bb->bits == 0); /* assert that we're byte-aligned before writing */
crc8_start = bb->bytes;
FLAC__ASSERT(FLAC__bitbuffer_is_byte_aligned(bb));
if(!FLAC__bitbuffer_write_raw_uint32(bb, FLAC__FRAME_HEADER_SYNC, FLAC__FRAME_HEADER_SYNC_LEN))
return false;
@@ -246,10 +243,7 @@ FLAC__bool FLAC__frame_add_header(const FLAC__FrameHeader *header, FLAC__bool st
}
/* write the CRC */
FLAC__ASSERT(bb->buffer[crc8_start] == 0xff); /* MAGIC NUMBER for the first byte of the sync code */
FLAC__ASSERT(bb->bits == 0); /* assert that we're byte-aligned */
crc8 = FLAC__crc8(bb->buffer+crc8_start, bb->bytes-crc8_start);
if(!FLAC__bitbuffer_write_raw_uint32(bb, crc8, FLAC__FRAME_HEADER_CRC_LEN))
if(!FLAC__bitbuffer_write_raw_uint32(bb, FLAC__bitbuffer_get_write_crc8(bb), FLAC__FRAME_HEADER_CRC_LEN))
return false;
return true;