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1 /* | 1 /* |
2 * Copyright (c) 2003 Fabrice Bellard | 2 * Copyright (c) 2003 Fabrice Bellard |
3 * Copyright (c) 2007 Michael Niedermayer | 3 * Copyright (c) 2007 Michael Niedermayer |
4 * | 4 * |
5 * This file is part of FFmpeg. | 5 * This file is part of FFmpeg. |
6 * | 6 * |
7 * FFmpeg is free software; you can redistribute it and/or | 7 * FFmpeg is free software; you can redistribute it and/or |
8 * modify it under the terms of the GNU Lesser General Public | 8 * modify it under the terms of the GNU Lesser General Public |
9 * License as published by the Free Software Foundation; either | 9 * License as published by the Free Software Foundation; either |
10 * version 2.1 of the License, or (at your option) any later version. | 10 * version 2.1 of the License, or (at your option) any later version. |
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53 strcpy(buffer, " NOPTS "); | 53 strcpy(buffer, " NOPTS "); |
54 return; | 54 return; |
55 } | 55 } |
56 tsval = ts * av_q2d(base); | 56 tsval = ts * av_q2d(base); |
57 snprintf(buffer, 60, "%9f", tsval); | 57 snprintf(buffer, 60, "%9f", tsval); |
58 } | 58 } |
59 | 59 |
60 int main(int argc, char **argv) | 60 int main(int argc, char **argv) |
61 { | 61 { |
62 const char *filename; | 62 const char *filename; |
63 AVFormatContext *ic; | 63 AVFormatContext *ic = NULL; |
64 int i, ret, stream_id; | 64 int i, ret, stream_id; |
65 int64_t timestamp; | 65 int64_t timestamp; |
66 AVFormatParameters params, *ap= ¶ms; | 66 AVFormatParameters params, *ap= ¶ms; |
67 memset(ap, 0, sizeof(params)); | 67 memset(ap, 0, sizeof(params)); |
68 ap->channels=1; | 68 ap->channels=1; |
69 ap->sample_rate= 22050; | 69 ap->sample_rate= 22050; |
70 | 70 |
71 /* initialize libavcodec, and register all codecs and formats */ | 71 /* initialize libavcodec, and register all codecs and formats */ |
72 av_register_all(); | 72 av_register_all(); |
73 | 73 |
74 if (argc != 2) { | 74 if (argc != 2) { |
75 printf("usage: %s input_file\n" | 75 printf("usage: %s input_file\n" |
76 "\n", argv[0]); | 76 "\n", argv[0]); |
77 exit(1); | 77 exit(1); |
78 } | 78 } |
79 | 79 |
80 filename = argv[1]; | 80 filename = argv[1]; |
81 | 81 |
82 /* allocate the media context */ | |
83 ic = avformat_alloc_context(); | |
84 if (!ic) { | |
85 fprintf(stderr, "Memory error\n"); | |
86 exit(1); | |
87 } | |
88 | |
89 ret = av_open_input_file(&ic, filename, NULL, 0, ap); | 82 ret = av_open_input_file(&ic, filename, NULL, 0, ap); |
90 if (ret < 0) { | 83 if (ret < 0) { |
91 fprintf(stderr, "cannot open %s\n", filename); | 84 fprintf(stderr, "cannot open %s\n", filename); |
92 exit(1); | 85 exit(1); |
93 } | 86 } |
94 | 87 |
95 ret = av_find_stream_info(ic); | 88 ret = av_find_stream_info(ic); |
96 if (ret < 0) { | 89 if (ret < 0) { |
97 fprintf(stderr, "%s: could not find codec parameters\n", filename); | 90 fprintf(stderr, "%s: could not find codec parameters\n", filename); |
98 exit(1); | 91 exit(1); |
99 } | 92 } |
100 | 93 |
101 for(i=0; ; i++){ | 94 for(i=0; ; i++){ |
102 AVPacket pkt; | 95 AVPacket pkt; |
103 AVStream *av_uninit(st); | 96 AVStream *av_uninit(st); |
104 char ts_buf[60]; | 97 char ts_buf[60]; |
105 | 98 |
106 memset(&pkt, 0, sizeof(pkt)); | 99 memset(&pkt, 0, sizeof(pkt)); |
107 if(ret>=0){ | 100 if(ret>=0){ |
108 ret= av_read_frame(ic, &pkt); | 101 ret= av_read_frame(ic, &pkt); |
109 if(ret>=0){ | 102 if(ret>=0){ |
110 char dts_buf[60]; | 103 char dts_buf[60]; |
111 st= ic->streams[pkt.stream_index]; | 104 st= ic->streams[pkt.stream_index]; |
112 ts_str(dts_buf, pkt.dts, st->time_base); | 105 ts_str(dts_buf, pkt.dts, st->time_base); |
113 ts_str(ts_buf, pkt.pts, st->time_base); | 106 ts_str(ts_buf, pkt.pts, st->time_base); |
114 printf("ret:%-10s st:%2d flags:%d dts:%s pts:%s pos:%7" PRId64 "
size:%6d", ret_str(ret), pkt.stream_index, pkt.flags, dts_buf, ts_buf, pkt.pos,
pkt.size); | 107 printf("ret:%-10s st:%2d flags:%d dts:%s pts:%s pos:%7" PRId64 "
size:%6d", ret_str(ret), pkt.stream_index, pkt.flags, dts_buf, ts_buf, pkt.pos,
pkt.size); |
| 108 av_free_packet(&pkt); |
115 } else | 109 } else |
116 printf("ret:%s", ret_str(ret)); // necessary to avoid trailing w
hitespace | 110 printf("ret:%s", ret_str(ret)); // necessary to avoid trailing w
hitespace |
117 printf("\n"); | 111 printf("\n"); |
118 } | 112 } |
119 | 113 |
120 if(i>25) break; | 114 if(i>25) break; |
121 | 115 |
122 stream_id= (i>>1)%(ic->nb_streams+1) - 1; | 116 stream_id= (i>>1)%(ic->nb_streams+1) - 1; |
123 timestamp= (i*19362894167LL) % (4*AV_TIME_BASE) - AV_TIME_BASE; | 117 timestamp= (i*19362894167LL) % (4*AV_TIME_BASE) - AV_TIME_BASE; |
124 if(stream_id>=0){ | 118 if(stream_id>=0){ |
125 st= ic->streams[stream_id]; | 119 st= ic->streams[stream_id]; |
126 timestamp= av_rescale_q(timestamp, AV_TIME_BASE_Q, st->time_base); | 120 timestamp= av_rescale_q(timestamp, AV_TIME_BASE_Q, st->time_base); |
127 } | 121 } |
128 //FIXME fully test the new seek API | 122 //FIXME fully test the new seek API |
129 if(i&1) ret = avformat_seek_file(ic, stream_id, INT64_MIN, timestamp, ti
mestamp, 0); | 123 if(i&1) ret = avformat_seek_file(ic, stream_id, INT64_MIN, timestamp, ti
mestamp, 0); |
130 else ret = avformat_seek_file(ic, stream_id, timestamp, timestamp, IN
T64_MAX, 0); | 124 else ret = avformat_seek_file(ic, stream_id, timestamp, timestamp, IN
T64_MAX, 0); |
131 ts_str(ts_buf, timestamp, stream_id < 0 ? AV_TIME_BASE_Q : st->time_base
); | 125 ts_str(ts_buf, timestamp, stream_id < 0 ? AV_TIME_BASE_Q : st->time_base
); |
132 printf("ret:%-10s st:%2d flags:%d ts:%s\n", ret_str(ret), stream_id, i&
1, ts_buf); | 126 printf("ret:%-10s st:%2d flags:%d ts:%s\n", ret_str(ret), stream_id, i&
1, ts_buf); |
133 } | 127 } |
134 | 128 |
| 129 av_close_input_file(ic); |
| 130 |
135 return 0; | 131 return 0; |
136 } | 132 } |
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