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add vorbis comment block handling, update max sample rate checking, speed up application block writing

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This commit is contained in:
Josh Coalson 2002-05-04 17:41:35 +00:00
parent 33285904ab
commit 7a5d095f42
1 changed files with 20 additions and 17 deletions
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37
src/libFLAC/stream_encoder_framing.c
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@ -58,8 +58,7 @@ FLAC__bool FLAC__add_metadata_block(const FLAC__StreamMetaData *metadata, FLAC__
FLAC__ASSERT(metadata->data.stream_info.max_framesize < (1u << FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN));
if(!FLAC__bitbuffer_write_raw_uint32(bb, metadata->data.stream_info.max_framesize, FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN))
return false;
FLAC__ASSERT(metadata->data.stream_info.sample_rate > 0);
FLAC__ASSERT(metadata->data.stream_info.sample_rate < (1u << FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN));
FLAC__ASSERT(FLAC__format_is_valid_sample_rate(metadata->data.stream_info.sample_rate));
if(!FLAC__bitbuffer_write_raw_uint32(bb, metadata->data.stream_info.sample_rate, FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN))
return false;
FLAC__ASSERT(metadata->data.stream_info.channels > 0);
@ -72,28 +71,18 @@ FLAC__bool FLAC__add_metadata_block(const FLAC__StreamMetaData *metadata, FLAC__
return false;
if(!FLAC__bitbuffer_write_raw_uint64(bb, metadata->data.stream_info.total_samples, FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN))
return false;
for(i = 0; i < 16; i++) {
if(!FLAC__bitbuffer_write_raw_uint32(bb, metadata->data.stream_info.md5sum[i], 8))
return false;
}
if(!FLAC__bitbuffer_write_byte_block(bb, metadata->data.stream_info.md5sum, 16))
return false;
break;
case FLAC__METADATA_TYPE_PADDING:
if(!FLAC__bitbuffer_write_zeroes(bb, metadata->length * 8))
return false;
break;
case FLAC__METADATA_TYPE_APPLICATION:
if(!FLAC__bitbuffer_write_raw_uint32(bb, metadata->data.application.id[0], 8))
if(!FLAC__bitbuffer_write_byte_block(bb, metadata->data.application.id, FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8))
return false;
if(!FLAC__bitbuffer_write_raw_uint32(bb, metadata->data.application.id[1], 8))
if(!FLAC__bitbuffer_write_byte_block(bb, metadata->data.application.data, metadata->length - (FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8)))
return false;
if(!FLAC__bitbuffer_write_raw_uint32(bb, metadata->data.application.id[2], 8))
return false;
if(!FLAC__bitbuffer_write_raw_uint32(bb, metadata->data.application.id[3], 8))
return false;
for(i = 0; i < metadata->length; i++) {
if(!FLAC__bitbuffer_write_raw_uint32(bb, metadata->data.application.data[i], 8))
return false;
}
break;
case FLAC__METADATA_TYPE_SEEKTABLE:
for(i = 0; i < metadata->data.seek_table.num_points; i++) {
@ -105,6 +94,20 @@ FLAC__bool FLAC__add_metadata_block(const FLAC__StreamMetaData *metadata, FLAC__
return false;
}
break;
case FLAC__METADATA_TYPE_VORBIS_COMMENT:
if(!FLAC__bitbuffer_write_raw_uint32_little_endian(bb, metadata->data.vorbis_comment.vendor_string.length))
return false;
if(!FLAC__bitbuffer_write_byte_block(bb, metadata->data.vorbis_comment.vendor_string.entry, metadata->data.vorbis_comment.vendor_string.length))
return false;
if(!FLAC__bitbuffer_write_raw_uint32_little_endian(bb, metadata->data.vorbis_comment.num_comments))
return false;
for(i = 0; i < metadata->data.vorbis_comment.num_comments; i++) {
if(!FLAC__bitbuffer_write_raw_uint32_little_endian(bb, metadata->data.vorbis_comment.comments[i].length))
return false;
if(!FLAC__bitbuffer_write_byte_block(bb, metadata->data.vorbis_comment.comments[i].entry, metadata->data.vorbis_comment.comments[i].length))
return false;
}
break;
default:
FLAC__ASSERT(0);
}
@ -154,7 +157,7 @@ FLAC__bool FLAC__frame_add_header(const FLAC__FrameHeader *header, FLAC__bool st
if(!FLAC__bitbuffer_write_raw_uint32(bb, u, FLAC__FRAME_HEADER_BLOCK_SIZE_LEN))
return false;
FLAC__ASSERT(header->sample_rate > 0 && header->sample_rate < (1u << FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN));
FLAC__ASSERT(FLAC__format_is_valid_sample_rate(header->sample_rate));
sample_rate_hint = 0;
switch(header->sample_rate) {
case 8000: u = 4; break;