diff options
Diffstat (limited to 'debian/transcode/transcode-1.1.7/import/probe_stream.c')
| -rw-r--r-- | debian/transcode/transcode-1.1.7/import/probe_stream.c | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/debian/transcode/transcode-1.1.7/import/probe_stream.c b/debian/transcode/transcode-1.1.7/import/probe_stream.c new file mode 100644 index 00000000..1c2eb3f3 --- /dev/null +++ b/debian/transcode/transcode-1.1.7/import/probe_stream.c @@ -0,0 +1,231 @@ +/* + * probe_stream.c + * + * Copyright (C) Thomas Oestreich - June 2001 + * + * 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 "transcode.h" +#include "tcinfo.h" +#include "ioaux.h" +#include "probe_stream.h" + +#include "libtc/libtc.h" +#include "libtc/ratiocodes.h" + + +static ProbeInfo probe_info; + +static void guess_asr(ProbeInfo *info) +{ + if (info != NULL && info->width != 0 && info->height != 0) { + double r = (double)info->width/(double)info->height; + tc_asr_code_from_value(&(info->asr), r); + } +} + +void probe_file(info_t *ipipe) +{ + switch (ipipe->magic) { + case TC_MAGIC_AVI: + probe_avi(ipipe); + break; + + case TC_MAGIC_TIFF1: /* image formats (multiple fallbacks) */ + case TC_MAGIC_TIFF2: + case TC_MAGIC_JPEG: + case TC_MAGIC_BMP: + case TC_MAGIC_PNG: + case TC_MAGIC_GIF: + case TC_MAGIC_PPM: + case TC_MAGIC_PGM: + case TC_MAGIC_SGI: + probe_im(ipipe); /* ImageMagick serve all */ + break; + + case TC_MAGIC_MXF: + probe_mxf(ipipe); + break; + + case TC_MAGIC_OGG: + probe_ogg(ipipe); + break; + + case TC_MAGIC_CDXA: + probe_pes(ipipe); + break; + + case TC_MAGIC_MPEG_PS: /* MPEG Program Stream */ + case TC_MAGIC_VOB: /* backward compatibility fallback */ + probe_pes(ipipe); + break; + + case TC_MAGIC_MPEG_ES: /* MPEG Elementary Stream */ + case TC_MAGIC_M2V: /* backward compatibility fallback */ + probe_pes(ipipe); + break; + + case TC_MAGIC_MPEG_PES:/* MPEG Packetized Elementary Stream */ + case TC_MAGIC_MPEG: /* backward compatibility fallback */ + probe_pes(ipipe); + break; + + case TC_MAGIC_YUV4MPEG: + probe_yuv(ipipe); + break; + + case TC_MAGIC_NUV: + probe_nuv(ipipe); + break; + + case TC_MAGIC_MOV: + probe_mov(ipipe); + break; + + case TC_MAGIC_WAV: + probe_wav(ipipe); + break; + + case TC_MAGIC_DTS: + probe_dts(ipipe); + break; + + case TC_MAGIC_AC3: + probe_ac3(ipipe); + break; + + case TC_MAGIC_MP3: + case TC_MAGIC_MP3_2: + case TC_MAGIC_MP3_2_5: + case TC_MAGIC_MP2: + probe_mp3(ipipe); + break; + + case TC_MAGIC_DV_PAL: + case TC_MAGIC_DV_NTSC: + probe_dv(ipipe); + break; + + case TC_MAGIC_PV3: + probe_pv3(ipipe); + break; + + case TC_MAGIC_PVN: + probe_pvn(ipipe); + break; + + default: + /* libavcodec/libavformat it's a catchall too */ + probe_ffmpeg(ipipe); + } + return; +} + + +void probe_stream(info_t *ipipe) +{ + verbose = ipipe->verbose; + + ipipe->probe_info = &probe_info; + ipipe->probe = 1; + + /* data structure will be filled by subroutines */ + memset(&probe_info, 0, sizeof(ProbeInfo)); + probe_info.magic = ipipe->magic; + + /* ------------------------------------------------------------ + * check file type/magic and take action to probe for contents + * ------------------------------------------------------------*/ + + /* not-plain-old-file stuff */ + switch (ipipe->magic) { + case TC_MAGIC_MPLAYER: + probe_mplayer(ipipe); + break; + + case TC_MAGIC_VNC: + probe_vnc(ipipe); + break; + + case TC_MAGIC_V4L_VIDEO: + case TC_MAGIC_V4L_AUDIO: + probe_v4l(ipipe); + break; + + case TC_MAGIC_BKTR_VIDEO: + probe_bktr(ipipe); + break; + + case TC_MAGIC_SUNAU_AUDIO: + probe_sunau(ipipe); + break; + + case TC_MAGIC_BSDAV: + probe_bsdav(ipipe); + break; + + case TC_MAGIC_OSS_AUDIO: + probe_oss(ipipe); + break; + + case TC_MAGIC_DVD: + case TC_MAGIC_DVD_PAL: + case TC_MAGIC_DVD_NTSC: + probe_dvd(ipipe); + break; + + case TC_MAGIC_XML: + probe_xml(ipipe); + break; + + case TC_MAGIC_X11: + probe_x11(ipipe); + break; + + default: /* fallback to P.O.D. file... */ + probe_file(ipipe); + break; /* for coherency */ + } + + if (ipipe->magic == TC_MAGIC_XML) { + ipipe->probe_info->magic_xml = TC_MAGIC_XML; + /* + * used in transcode to load import_xml and to have + * the correct type of the video/audio + */ + } else { + ipipe->probe_info->magic_xml = ipipe->probe_info->magic; + } + if (!ipipe->probe_info->asr) { + guess_asr(ipipe->probe_info); + } + return; +} + +/*************************************************************************/ + +/* + * Local variables: + * c-file-style: "stroustrup" + * c-file-offsets: ((case-label . *) (statement-case-intro . *)) + * indent-tabs-mode: nil + * End: + * + * vim: expandtab shiftwidth=4: + */ |