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-rw-r--r--kfile-plugins/ogg/vcedit.c331
1 files changed, 0 insertions, 331 deletions
diff --git a/kfile-plugins/ogg/vcedit.c b/kfile-plugins/ogg/vcedit.c
deleted file mode 100644
index 76e31f6c..00000000
--- a/kfile-plugins/ogg/vcedit.c
+++ /dev/null
@@ -1,331 +0,0 @@
-/* This program is licensed under the GNU Library General Public License, version 2
- *
- * (c) 2000-2001 Michael Smith <msmith@labyrinth.net.au>
- *
- * Modified by Warren Spits <spits@cyberdude.com>
- * - Handles vorbis files that are truncated or missing an eos flag.
- *
- * Comment editing backend, suitable for use by nice frontend interfaces.
- *
- * last modified: $Id$
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ogg/ogg.h>
-#include <vorbis/codec.h>
-
-#include "vcedit.h"
-
-#define CHUNKSIZE 4096
-
-vcedit_state *vcedit_new_state(void)
-{
- vcedit_state *state = malloc(sizeof(vcedit_state));
- memset(state, 0, sizeof(vcedit_state));
-
- return state;
-}
-
-char *vcedit_error(vcedit_state *state)
-{
- return state->lasterror;
-}
-
-vorbis_comment *vcedit_comments(vcedit_state *state)
-{
- return state->vc;
-}
-
-static void vcedit_clear_internals(vcedit_state *state)
-{
- if(state->vc)
- {
- vorbis_comment_clear(state->vc);
- free(state->vc);
- state->vc=NULL;
- }
- if(state->os)
- {
- ogg_stream_clear(state->os);
- free(state->os);
- state->os=NULL;
- }
- if(state->oy)
- {
- ogg_sync_clear(state->oy);
- free(state->oy);
- state->oy=NULL;
- }
-}
-
-void vcedit_clear(vcedit_state *state)
-{
- if(state)
- {
- vcedit_clear_internals(state);
- free(state);
- }
-}
-
-int vcedit_open(vcedit_state *state, FILE *in)
-{
- return vcedit_open_callbacks(state, (void *)in,
- (vcedit_read_func)fread, (vcedit_write_func)fwrite);
-}
-
-int vcedit_open_callbacks(vcedit_state *state, void *in,
- vcedit_read_func read_func, vcedit_write_func write_func)
-{
-
- char *buffer;
- int bytes,i;
- ogg_packet *header;
- ogg_packet header_main;
- ogg_packet header_comments;
- ogg_packet header_codebooks;
- ogg_page og;
- vorbis_info vi;
-
-
- state->in = in;
- state->read = read_func;
- state->write = write_func;
- state->lasterror = 0;
-
- state->oy = malloc(sizeof(ogg_sync_state));
- ogg_sync_init(state->oy);
-
- buffer = ogg_sync_buffer(state->oy, CHUNKSIZE);
- bytes = state->read(buffer, 1, CHUNKSIZE, state->in);
-
- ogg_sync_wrote(state->oy, bytes);
-
- if(ogg_sync_pageout(state->oy, &og) != 1)
- {
- if(bytes<CHUNKSIZE)
- state->lasterror = "Input truncated or empty.";
- else
- state->lasterror = "Input is not an Ogg bitstream.";
- goto err;
- }
-
- state->serial = ogg_page_serialno(&og);
-
- state->os = malloc(sizeof(ogg_stream_state));
- ogg_stream_init(state->os, state->serial);
-
- vorbis_info_init(&vi);
-
- state->vc = malloc(sizeof(vorbis_comment));
- vorbis_comment_init(state->vc);
-
- if(ogg_stream_pagein(state->os, &og) < 0)
- {
- state->lasterror = "Error reading first page of Ogg bitstream.";
- goto err;
- }
-
- if(ogg_stream_packetout(state->os, &header_main) != 1)
- {
- state->lasterror = "Error reading initial header packet.";
- goto err;
- }
-
- if(vorbis_synthesis_headerin(&vi, state->vc, &header_main) < 0)
- {
- state->lasterror = "Ogg bitstream does not contain vorbis data.";
- goto err;
- }
-
- state->mainlen = header_main.bytes;
- state->mainbuf = malloc(state->mainlen);
- memcpy(state->mainbuf, header_main.packet, header_main.bytes);
-
- i = 0;
- header = &header_comments;
- while(i<2) {
- while(i<2) {
- int result = ogg_sync_pageout(state->oy, &og);
- if(result == 0) break; /* Too little data so far */
- else if(result == 1)
- {
- ogg_stream_pagein(state->os, &og);
- while(i<2)
- {
- result = ogg_stream_packetout(state->os, header);
- if(result == 0) break;
- if(result == -1)
- {
- state->lasterror = "Corrupt secondary header.";
- goto err;
- }
- vorbis_synthesis_headerin(&vi, state->vc, header);
- if(i==1)
- {
- state->booklen = header->bytes;
- state->bookbuf = malloc(state->booklen);
- memcpy(state->bookbuf, header->packet,
- header->bytes);
- }
- i++;
- header = &header_codebooks;
- }
- }
- }
-
- buffer = ogg_sync_buffer(state->oy, CHUNKSIZE);
- bytes = state->read(buffer, 1, CHUNKSIZE, state->in);
- if(bytes == 0 && i < 2)
- {
- state->lasterror = "EOF before end of vorbis headers.";
- goto err;
- }
- ogg_sync_wrote(state->oy, bytes);
- }
-
- /* Headers are done! */
- vorbis_info_clear(&vi);
- return 0;
-
-err:
- vcedit_clear_internals(state);
- return -1;
-}
-
-int vcedit_write(vcedit_state *state, void *out)
-{
- ogg_stream_state streamout;
- ogg_packet header_main;
- ogg_packet header_comments;
- ogg_packet header_codebooks;
-
- ogg_page ogout, ogin;
- ogg_packet op;
- int result, outresult;
- char *buffer;
- int bytes, eosin=0, eosout=0;
-
- state->lasterror = 0;
-
- header_main.bytes = state->mainlen;
- header_main.packet = state->mainbuf;
- header_main.b_o_s = 1;
- header_main.e_o_s = 0;
- header_main.granulepos = 0;
-
- header_codebooks.bytes = state->booklen;
- header_codebooks.packet = state->bookbuf;
- header_codebooks.b_o_s = 0;
- header_codebooks.e_o_s = 0;
- header_codebooks.granulepos = 0;
-
- ogg_stream_init(&streamout, state->serial);
-
- vorbis_commentheader_out(state->vc, &header_comments);
-
- ogg_stream_packetin(&streamout, &header_main);
- ogg_stream_packetin(&streamout, &header_comments);
- ogg_stream_packetin(&streamout, &header_codebooks);
-
- while((result = ogg_stream_flush(&streamout, &ogout)))
- {
- if(state->write(ogout.header,1,ogout.header_len, out) !=
- (size_t) ogout.header_len)
- goto cleanup;
- if(state->write(ogout.body,1,ogout.body_len, out) !=
- (size_t) ogout.body_len)
- goto cleanup;
- }
-
- /* We copy the first logical stream
- * through, rewriting the stream. */
- while (1)
- {
- outresult = eosin ? ogg_stream_flush(&streamout, &ogout) :
- ogg_stream_pageout(&streamout, &ogout);
- if (outresult > 0)
- {
- if (state->write(ogout.header,1,ogout.header_len,
- out) != (size_t) ogout.header_len)
- goto cleanup;
- if (state->write(ogout.body,1,ogout.body_len,
- out) != (size_t) ogout.body_len)
- goto cleanup;
- if (ogg_page_eos(&ogout)) eosout = 1;
- }
- if (outresult != 0) continue;
- if (eosout || (eosin && (result == 0))) break;
-
- while (1)
- {
- result = ogg_stream_packetout(state->os, &op);
- if (result < 0) continue;
- if (result > 0) ogg_stream_packetin(&streamout, &op);
- if (eosin || (result > 0)) break;
-
- while (1)
- {
- result = ogg_sync_pageout(state->oy, &ogin);
-
- if (result < 0) continue;
- if (result > 0)
- {
- ogg_stream_pagein(state->os, &ogin);
- if (ogg_page_eos(&ogin)) eosin = 1;
- }
- if (eosin || (result > 0)) break;
-
- buffer = ogg_sync_buffer(state->oy, CHUNKSIZE);
- bytes = state->read(buffer,1, CHUNKSIZE, state->in);
- ogg_sync_wrote(state->oy, bytes);
- if (bytes < CHUNKSIZE) eosin = 1;
- }
- }
- }
-
- eosin=0; /* clear it, because not all paths to here do */
- eosout=1; /* handle input files that are truncated or without an eos flag */
-
- /* We copy the rest of the stream (other logical streams)
- * through, a page at a time. */
- while (1)
- {
- result = ogg_sync_pageout(state->oy, &ogout);
- if (result > 0)
- {
- if (state->write(ogout.header,1,ogout.header_len,
- out) != (size_t) ogout.header_len)
- goto cleanup;
- if (state->write(ogout.body,1,ogout.body_len, out) !=
- (size_t) ogout.body_len)
- goto cleanup;
- }
- if (result != 0) continue;
- if (eosin) break;
-
- buffer = ogg_sync_buffer(state->oy, CHUNKSIZE);
- bytes = state->read(buffer,1, CHUNKSIZE, state->in);
- ogg_sync_wrote(state->oy, bytes);
- eosin = (bytes < CHUNKSIZE);
- }
-
-cleanup:
- ogg_stream_clear(&streamout);
- ogg_packet_clear(&header_comments);
-
- free(state->mainbuf);
- free(state->bookbuf);
-
- vcedit_clear_internals(state);
- if(!(eosin && eosout))
- {
- state->lasterror =
- "Error writing stream to output. "
- "Output stream may be corrupted or truncated.";
- return -1;
- }
-
- return 0;
-}
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