diff options
Diffstat (limited to 'libavformat/tests/seek.c')
-rw-r--r-- | libavformat/tests/seek.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/libavformat/tests/seek.c b/libavformat/tests/seek.c new file mode 100644 index 0000000000..7ed56ba4ef --- /dev/null +++ b/libavformat/tests/seek.c @@ -0,0 +1,161 @@ +/* + * Copyright (c) 2003 Fabrice Bellard + * Copyright (c) 2007 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <stdint.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> + +#include "libavutil/common.h" +#include "libavutil/mathematics.h" + +#include "libavformat/avformat.h" + +static char buffer[20]; + +static const char *ret_str(int v) +{ + switch (v) { + case AVERROR_EOF: return "-EOF"; + case AVERROR(EIO): return "-EIO"; + case AVERROR(ENOMEM): return "-ENOMEM"; + case AVERROR(EINVAL): return "-EINVAL"; + default: + snprintf(buffer, sizeof(buffer), "%2d", v); + return buffer; + } +} + +static void ts_str(char buffer[60], int64_t ts, AVRational base) +{ + if (ts == AV_NOPTS_VALUE) { + strcpy(buffer, " NOPTS "); + return; + } + ts= av_rescale_q(ts, base, (AVRational){1, 1000000}); + snprintf(buffer, 60, "%c%"PRId64".%06"PRId64"", ts<0 ? '-' : ' ', FFABS(ts)/1000000, FFABS(ts)%1000000); +} + +int main(int argc, char **argv) +{ + const char *filename; + AVFormatContext *ic = avformat_alloc_context(); + int i, ret, stream_id; + int j; + int64_t timestamp; + AVDictionary *format_opts = NULL; + int64_t seekfirst = AV_NOPTS_VALUE; + int firstback=0; + int frame_count = 1; + int duration = 4; + + for(i=2; i<argc; i+=2){ + if (!strcmp(argv[i], "-seekforw")){ + seekfirst = atoi(argv[i+1]); + } else if(!strcmp(argv[i], "-seekback")){ + seekfirst = atoi(argv[i+1]); + firstback = 1; + } else if(!strcmp(argv[i], "-frames")){ + frame_count = atoi(argv[i+1]); + } else if(!strcmp(argv[i], "-duration")){ + duration = atoi(argv[i+1]); + } else if(!strcmp(argv[i], "-fastseek")) { + if (atoi(argv[i+1])) { + ic->flags |= AVFMT_FLAG_FAST_SEEK; + } + } else if(argv[i][0] == '-' && argv[i+1]) { + av_dict_set(&format_opts, argv[i] + 1, argv[i+1], 0); + } else { + argc = 1; + } + } + + av_dict_set(&format_opts, "channels", "1", 0); + av_dict_set(&format_opts, "sample_rate", "22050", 0); + + /* initialize libavcodec, and register all codecs and formats */ + av_register_all(); + + if (argc < 2) { + printf("usage: %s input_file\n" + "\n", argv[0]); + return 1; + } + + filename = argv[1]; + + ret = avformat_open_input(&ic, filename, NULL, &format_opts); + av_dict_free(&format_opts); + if (ret < 0) { + fprintf(stderr, "cannot open %s\n", filename); + return 1; + } + + ret = avformat_find_stream_info(ic, NULL); + if (ret < 0) { + fprintf(stderr, "%s: could not find codec parameters\n", filename); + return 1; + } + + if(seekfirst != AV_NOPTS_VALUE){ + if(firstback) avformat_seek_file(ic, -1, INT64_MIN, seekfirst, seekfirst, 0); + else avformat_seek_file(ic, -1, seekfirst, seekfirst, INT64_MAX, 0); + } + for(i=0; ; i++){ + AVPacket pkt = { 0 }; + AVStream *av_uninit(st); + char ts_buf[60]; + + if(ret>=0){ + for(j=0; j<frame_count; j++) { + ret= av_read_frame(ic, &pkt); + if(ret>=0){ + char dts_buf[60]; + st= ic->streams[pkt.stream_index]; + ts_str(dts_buf, pkt.dts, st->time_base); + ts_str(ts_buf, pkt.pts, st->time_base); + 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); + av_packet_unref(&pkt); + } else + printf("ret:%s", ret_str(ret)); // necessary to avoid trailing whitespace + printf("\n"); + } + } + + if(i>25) break; + + stream_id= (i>>1)%(ic->nb_streams+1) - 1; + timestamp= (i*19362894167LL) % (duration*AV_TIME_BASE) - AV_TIME_BASE; + if(stream_id>=0){ + st= ic->streams[stream_id]; + timestamp= av_rescale_q(timestamp, AV_TIME_BASE_Q, st->time_base); + } + //FIXME fully test the new seek API + if(i&1) ret = avformat_seek_file(ic, stream_id, INT64_MIN, timestamp, timestamp, 0); + else ret = avformat_seek_file(ic, stream_id, timestamp, timestamp, INT64_MAX, 0); + ts_str(ts_buf, timestamp, stream_id < 0 ? AV_TIME_BASE_Q : st->time_base); + printf("ret:%-10s st:%2d flags:%d ts:%s\n", ret_str(ret), stream_id, i&1, ts_buf); + } + + avformat_close_input(&ic); + + return 0; +} |