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/*
* probe.h - declarations for input file probing
* Written by Andrew Church <achurch@achurch.org>
*
* This file is part of transcode, a video stream processing tool.
* transcode is free software, distributable under the terms of the GNU
* General Public License (version 2 or later). See the file COPYING
* for details.
*/
#ifndef PROBE_H
#define PROBE_H
/*************************************************************************/
/* Structures to hold probed data */
typedef struct {
int samplerate;
int chan;
int bits;
int bitrate;
int padrate; // Padding byterate
int format;
int lang;
int attribute; // 0=subtitle, 1=AC3, 2=PCM
int tid; // Logical track id, in case of gaps
double pts_start;
} ProbeTrackInfo;
typedef struct {
int width; // Frame width
int height; // Frame height
double fps; // Encoder fps
long codec; // Video codec
long magic; // File type/magic
long magic_xml; // Type/magic of content in XML file
int asr; // Aspect ratio code
int frc; // Frame cate code
int par_width; // Pixel aspect (== sample aspect ratio)
int par_height;
int attributes; // Video attributes
int num_tracks; // Number of audio tracks
ProbeTrackInfo track[TC_MAX_AUD_TRACKS];
long frames; // Total frames
long time; // Total time in secs
int unit_cnt; // Detected presentation units
double pts_start; // Video PTS start
long bitrate; // Video stream bitrate
int ext_attributes[4]; // Reserved for MPEG
int is_video; // NTSC flag
} ProbeInfo;
/*************************************************************************/
/* External interface */
int probe_source(const char *vid_file, const char *aud_file, int range,
int flags, vob_t *vob);
int probe_source_xml(vob_t *vob, int which);
int probe_stream_data(const char *file, int range, ProbeInfo *info);
void probe_to_vob(ProbeInfo *vinfo, ProbeInfo *ainfo, int flags, vob_t *vob);
/* Flags for probe_source(), indicating which parameters were specified by
* the user and shouldn't be overwritten */
enum {
TC_PROBE_NO_FRAMESIZE = 1,
TC_PROBE_NO_FPS = 2,
TC_PROBE_NO_DEMUX = 4,
TC_PROBE_NO_RATE = 8,
TC_PROBE_NO_CHAN = 16,
TC_PROBE_NO_BITS = 32,
TC_PROBE_NO_SEEK = 64,
TC_PROBE_NO_TRACK = 128,
TC_PROBE_NO_BUFFER = 256,
// TC_PROBE_NO_FRC = 512, // unused
TC_PROBE_NO_ACODEC = 1024,
TC_PROBE_NO_AVSHIFT = 2048,
TC_PROBE_NO_AV_FINE = 4096,
TC_PROBE_NO_IMASR = 8192,
TC_PROBE_NO_BUILTIN = 16384, // external probe (mplayer)
TC_PROBE_NO_MODULES = 32768,
};
/* `which' value for probe_xml() */
enum {
PROBE_XML_VIDEO = 0,
PROBE_XML_AUDIO,
};
/* Auxiliary info routines */
const char *mformat2str(int flag);
/* info_server.c */
void server_thread(vob_t *vob);
/*************************************************************************/
#endif // PROBE_H
/*
* Local variables:
* c-file-style: "stroustrup"
* c-file-offsets: ((case-label . *) (statement-case-intro . *))
* indent-tabs-mode: nil
* End:
*
* vim: expandtab shiftwidth=4:
*/
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