diff options
Diffstat (limited to 'debian/transcode/transcode-1.1.7/import/decode_ogg.c')
| -rw-r--r-- | debian/transcode/transcode-1.1.7/import/decode_ogg.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/debian/transcode/transcode-1.1.7/import/decode_ogg.c b/debian/transcode/transcode-1.1.7/import/decode_ogg.c new file mode 100644 index 00000000..f651dccc --- /dev/null +++ b/debian/transcode/transcode-1.1.7/import/decode_ogg.c @@ -0,0 +1,140 @@ +/* + * decode_ogg.c + * + * Copyright (C) Tilmann Bitterberg + * + * This file is part of transcode, a video stream processing tool + * + * transcode is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * transcode is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GNU Make; see the file COPYING. If not, write to + * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#include <stdint.h> + +#include "transcode.h" +#include "libtc/libtc.h" +#include "tcinfo.h" + +#include "ioaux.h" +#include "tc.h" + +#if (HAVE_OGG && HAVE_VORBIS) +#include <vorbis/vorbisfile.h> + +#define TC_OGG_BUF_SIZE 8192 + +/* ------------------------------------------------------------ + * + * decoder thread + * + * ------------------------------------------------------------*/ + +static int decode_ogg_file(int fdin, int fdout, int verbose) +{ + FILE *in = NULL; + OggVorbis_File vf; + uint8_t buf[TC_OGG_BUF_SIZE]; + unsigned int written = 0; + ogg_int64_t length = 0; +#if 0 + ogg_int64_t done = 0; +#endif + int ret, bs = 0, size = 0, bits = 16, r = 0; + int seekable = 0, endian = 0, sign = 1; +#if 0 + int percent = 0; +#endif + + in = fdopen(fdin, "rb"); + + ret = ov_open(in, &vf, NULL, 0); + if (ret < 0) { + tc_log_error(__FILE__, "Failed to open input as vorbis"); + fclose(in); + return 1; + } + + if (ov_seekable(&vf)) { + seekable = 1; + length = ov_pcm_total(&vf, 0); + size = bits/8 * ov_info(&vf, 0)->channels; + } + + while ((r = ov_read(&vf, buf, TC_OGG_BUF_SIZE, + endian, bits/8, sign, &bs)) != 0) { + if (bs != 0) { + tc_log_error(__FILE__, "Only one logical bitstream currently supported"); + break; + } + + if (r < 0 && verbose) { + tc_log_warn(__FILE__, "hole in data"); + continue; + } + + ret = tc_pwrite(fdout, buf, r); + if (ret != r) { + tc_log_perror(__FILE__, "Error writing to file"); + ov_clear(&vf); + return 1; + } + + written += ret; +#if 0 + if(verbose && seekable) { + done += ret/size; + if((double)done/(double)length * 200. > (double)percent) { + percent = (double)done/(double)length *200; + fprintf(stderr, "\r[%5.1f%%]", (double)percent/2.); + } + } +#endif + } + + ov_clear(&vf); + + return 0; +} +#endif // HAVE_OGG + + +void decode_ogg(decode_t *decode) +{ + +#if (HAVE_OGG && HAVE_VORBIS) + + decode_ogg_file(decode->fd_in, decode->fd_out, decode->verbose); + import_exit(0); + +#else + + tc_log_error(__FILE__, "no support for VORBIS decoding configured - exit."); + import_exit(1); + +#endif + +} + +/*************************************************************************/ + +/* + * Local variables: + * c-file-style: "stroustrup" + * c-file-offsets: ((case-label . *) (statement-case-intro . *)) + * indent-tabs-mode: nil + * End: + * + * vim: expandtab shiftwidth=4: + */ |
