1 /*
2 * probe_mov.c
3 *
4 * Copyright (C) Thomas Oestreich - Januray 2002
5 *
6 * This file is part of transcode, a video stream processing tool
7 *
8 * transcode is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2, or (at your option)
11 * any later version.
12 *
13 * transcode is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with GNU Make; see the file COPYING. If not, write to
20 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
21 *
22 */
23
24 #include "transcode.h"
25 #include "tcinfo.h"
26 #include "ioaux.h"
27 #include "tc.h"
28 #include "libtc/libtc.h"
29 #include "libtc/ratiocodes.h"
30
31 #ifdef HAVE_LIBQUICKTIME
32
33 extern int binary_dump;
34
35 #include <quicktime.h>
36
probe_mov(info_t * ipipe)37 void probe_mov(info_t *ipipe)
38 {
39
40 quicktime_t *qt_file=NULL;
41 char *codec=NULL;
42
43 int j, tracks;
44
45 /* open movie for video probe */
46 if(qt_file==NULL)
47 if(NULL == (qt_file = quicktime_open((char *)ipipe->name,1,0))){
48 tc_log_error(__FILE__,"can't open quicktime!");
49 ipipe->error=1;
50 return;
51 }
52
53 // extract audio parameters
54 tracks=quicktime_audio_tracks(qt_file);
55
56 if(tracks>TC_MAX_AUD_TRACKS) {
57 tc_log_warn(__FILE__, "only %d of %d audio tracks scanned",
58 TC_MAX_AUD_TRACKS, tracks);
59 tracks=TC_MAX_AUD_TRACKS;
60 }
61
62 for(j=0; j<tracks; ++j) {
63
64 ipipe->probe_info->track[j].samplerate = quicktime_sample_rate(qt_file, j);
65 ipipe->probe_info->track[j].chan = quicktime_track_channels(qt_file, j);
66 ipipe->probe_info->track[j].bits = quicktime_audio_bits(qt_file, j);
67
68 codec = quicktime_audio_compressor(qt_file, j);
69
70 if(strcasecmp(codec,QUICKTIME_RAW)==0 || strcasecmp(codec,QUICKTIME_TWOS)==0)
71 ipipe->probe_info->track[j].format = CODEC_PCM;
72 else if(strcasecmp(codec,QUICKTIME_IMA4)==0)
73 ipipe->probe_info->track[j].format = CODEC_IMA4;
74 else
75 /* XXX not right but works */
76 ipipe->probe_info->track[j].format = CODEC_PCM;
77
78 if (! binary_dump)
79 tc_log_info(__FILE__, "audio codec=%s", codec);
80
81 if(ipipe->probe_info->track[j].chan>0) ++ipipe->probe_info->num_tracks;
82 }
83
84
85 // read all video parameter from input file
86 ipipe->probe_info->width = quicktime_video_width(qt_file, 0);
87 ipipe->probe_info->height = quicktime_video_height(qt_file, 0);
88 ipipe->probe_info->fps = quicktime_frame_rate(qt_file, 0);
89
90 ipipe->probe_info->frames = quicktime_video_length(qt_file, 0);
91
92 codec = quicktime_video_compressor(qt_file, 0);
93
94 //check for supported codecs
95
96 if(codec!=NULL) {
97
98 if(strlen(codec)==0) {
99 ipipe->probe_info->codec=TC_CODEC_RGB;
100 } else {
101
102 if(strcasecmp(codec,QUICKTIME_DV)==0)
103 ipipe->probe_info->codec=TC_CODEC_DV;
104
105 if(strcasecmp(codec,"dvsd")==0)
106 ipipe->probe_info->codec=TC_CODEC_DV;
107
108 if(strcasecmp(codec,"DIV3")==0)
109 ipipe->probe_info->codec=TC_CODEC_DIVX3;
110
111 if(strcasecmp(codec,"DIVX")==0)
112 ipipe->probe_info->codec=TC_CODEC_DIVX4;
113
114 if(strcasecmp(codec,"DX50")==0)
115 ipipe->probe_info->codec=TC_CODEC_DIVX5;
116
117 if(strcasecmp(codec,"MJPG")==0 || strcasecmp(codec,"JPEG")==0)
118 ipipe->probe_info->codec=TC_CODEC_MJPEG;
119
120 if(strcasecmp(codec,"YUV2")==0)
121 ipipe->probe_info->codec=TC_CODEC_YUV2;
122
123 if(strcasecmp(codec,"SVQ1")==0)
124 ipipe->probe_info->codec=TC_CODEC_SVQ1;
125
126 if(strcasecmp(codec,"SVQ3")==0)
127 ipipe->probe_info->codec=TC_CODEC_SVQ3;
128 }
129 } else
130 ipipe->probe_info->codec=TC_CODEC_UNKNOWN;
131
132 if (! binary_dump)
133 tc_log_info(__FILE__, "video codec=%s", codec);
134 ipipe->probe_info->magic=TC_MAGIC_MOV;
135 tc_frc_code_from_value(&(ipipe->probe_info->frc),
136 ipipe->probe_info->fps);
137
138 return;
139 }
140
141 #else // HAVE_LIBQUICKTIME
142
probe_mov(info_t * ipipe)143 void probe_mov(info_t *ipipe)
144 {
145 tc_log_error(__FILE__, "no support for Quicktime compiled - exit.");
146 ipipe->error=1;
147 return;
148 }
149
150 #endif
151
152