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always flush pages for metadata writes so that each block is in its own page as much as possible

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This commit is contained in:
Josh Coalson 2004-01-16 00:10:37 +00:00
parent 7994608433
commit 112ed6cd05
1 changed files with 42 additions and 17 deletions
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59
src/libOggFLAC/ogg_encoder_aspect.c
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@ -47,6 +47,10 @@ FLAC__bool OggFLAC__ogg_encoder_aspect_init(OggFLAC__OggEncoderAspect *aspect)
aspect->is_first_packet = true;
aspect->samples_written = 0;
#if 0
/*@@@@@@ not used, get rid of it? */
aspect->bytes_written = 0;
#endif
return true;
}
@ -94,25 +98,46 @@ FLAC__StreamEncoderWriteStatus OggFLAC__ogg_encoder_aspect_write_callback_wrappe
if(ogg_stream_packetin(&aspect->stream_state, &packet) != 0)
return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
/*
* For the initial fLaC header and metadata blocks, we will try and
* force them to all be on their own page.
*
* For audio frames, we let Ogg do the paging.
*/
/*@@@@@@ need our own implementation of ogg_stream_flush to max out the page instead of use its 4096 nominal page size */
/*@@@@@@ can't figure out a way to pass a useful number for 'samples' to the write_callback, so we'll just pass 0 */
#ifdef FLAC__ONE_FLAC_FRAME_PER_OGG_PAGE
/* WATCHOUT: a FLAC frame still may not be able to fit in a single Ogg page */
while(ogg_stream_flush(&aspect->stream_state, &aspect->page) != 0) {
if(write_callback(encoder, aspect->page.header, aspect->page.header_len, 0, current_frame, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK)
return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
if(write_callback(encoder, aspect->page.body, aspect->page.body_len, 0, current_frame, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK)
return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
}
#else
while(ogg_stream_pageout(&aspect->stream_state, &aspect->page) != 0) {
if(write_callback(encoder, aspect->page.header, aspect->page.header_len, 0, current_frame, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK)
return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
if(write_callback(encoder, aspect->page.body, aspect->page.body_len, 0, current_frame, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK)
return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
}
if (packet.packetno == -1) {
while(ogg_stream_flush(&aspect->stream_state, &aspect->page) != 0) {
if(write_callback(encoder, aspect->page.header, aspect->page.header_len, 0, current_frame, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK)
return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
#if 0
/*@@@@@@ not used, get rid of it? */
aspect->bytes_written += aspect->page.header_len;
#endif
if(write_callback(encoder, aspect->page.body, aspect->page.body_len, 0, current_frame, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK)
return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
#if 0
/*@@@@@@ not used, get rid of it? */
aspect->bytes_written += aspect->page.body_len;
#endif
}
}
else {
while(ogg_stream_pageout(&aspect->stream_state, &aspect->page) != 0) {
if(write_callback(encoder, aspect->page.header, aspect->page.header_len, 0, current_frame, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK)
return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
#if 0
/*@@@@@@ not used, get rid of it? */
aspect->bytes_written += aspect->page.header_len;
#endif
if(write_callback(encoder, aspect->page.body, aspect->page.body_len, 0, current_frame, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK)
return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
#if 0
/*@@@@@@ not used, get rid of it? */
aspect->bytes_written += aspect->page.body_len;
#endif
}
}
return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
}