static void test_av_parse_time(void) { int i; int64_t tv; time_t tvi; struct tm *tm; static char tzstr[] = "TZ=CET-1"; static const char * const time_string[] = { "now", "12:35:46", "2000-12-20 0:02:47.5z", "2012 - 02-22 17:44:07", "2000-12-20T010247.6", "2000-12-12 1:35:46+05:30", "2002-12-12 22:30:40-02", }; static const char * const duration_string[] = { "2:34:56.79", "-1:23:45.67", "42.1729", "-1729.42", "12:34", }; av_log_set_level(AV_LOG_DEBUG); putenv(tzstr); printf("(now is 2012-03-17 09:14:13.2 +0100, local time is UTC+1)\n"); for (i = 0; i < FF_ARRAY_ELEMS(time_string); i++) { printf("%-24s -> ", time_string[i]); if (av_parse_time(&tv, time_string[i], 0)) { printf("error\n"); } else { tvi = tv / 1000000; tm = gmtime(&tvi); printf("%14"PRIi64".%06d = %04d-%02d-%02dT%02d:%02d:%02dZ\n", tv / 1000000, (int)(tv % 1000000), tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec); } } for (i = 0; i < FF_ARRAY_ELEMS(duration_string); i++) { printf("%-24s -> ", duration_string[i]); if (av_parse_time(&tv, duration_string[i], 1)) { printf("error\n"); } else { printf("%+21"PRIi64"\n", tv); } } }
int64_t parse_time_or_die(const char *context, const char *timestr, int is_duration) { int64_t us = 0; if (av_parse_time(&us, timestr, is_duration) < 0) { av_log(NULL, AV_LOG_FATAL, "Invalid %s specification for %s: %s\n", is_duration ? "duration" : "date", context, timestr); } return us; }
int64_t parse_time_or_die(const char *context, const char *timestr, int is_duration) { int64_t us; if (av_parse_time(&us, timestr, is_duration) < 0) { fprintf(stderr, "Invalid %s specification for %s: %s\n", is_duration ? "duration" : "date", context, timestr); exit(1); } return us; }
static int func_pts(AVFilterContext *ctx, AVBPrint *bp, char *fct, unsigned argc, char **argv, int tag) { DrawTextContext *s = ctx->priv; const char *fmt; double pts = s->var_values[VAR_T]; int ret; fmt = argc >= 1 ? argv[0] : "flt"; if (argc >= 2) { int64_t delta; if ((ret = av_parse_time(&delta, argv[1], 1)) < 0) { av_log(ctx, AV_LOG_ERROR, "Invalid delta '%s'\n", argv[1]); return ret; } pts += (double)delta / AV_TIME_BASE; } if (!strcmp(fmt, "flt")) { av_bprintf(bp, "%.6f", pts); } else if (!strcmp(fmt, "hms")) { if (isnan(pts)) { av_bprintf(bp, " ??:??:??.???"); } else { int64_t ms = llrint(pts * 1000); char sign = ' '; if (ms < 0) { sign = '-'; ms = -ms; } av_bprintf(bp, "%c%02d:%02d:%02d.%03d", sign, (int)(ms / (60 * 60 * 1000)), (int)(ms / (60 * 1000)) % 60, (int)(ms / 1000) % 60, (int)(ms % 1000)); } } else if (!strcmp(fmt, "localtime") || !strcmp(fmt, "gmtime")) { struct tm tm; time_t ms = (time_t)pts; const char *timefmt = argc >= 3 ? argv[2] : "%Y-%m-%d %H:%M:%S"; if (!strcmp(fmt, "localtime")) localtime_r(&ms, &tm); else gmtime_r(&ms, &tm); av_bprint_strftime(bp, timefmt, &tm); } else { av_log(ctx, AV_LOG_ERROR, "Invalid format '%s'\n", fmt); return AVERROR(EINVAL); } return 0; }
static int ffm_write_header(AVFormatContext *s) { FFMContext *ffm = s->priv_data; AVDictionaryEntry *t; AVStream *st; AVIOContext *pb = s->pb; AVCodecContext *codec; int bit_rate, i; if (t = av_dict_get(s->metadata, "creation_time", NULL, 0)) { int ret = av_parse_time(&ffm->start_time, t->value, 0); if (ret < 0) return ret; } ffm->packet_size = FFM_PACKET_SIZE; /* header */ avio_wl32(pb, MKTAG('F', 'F', 'M', '2')); avio_wb32(pb, ffm->packet_size); avio_wb64(pb, 0); /* current write position */ if(avio_open_dyn_buf(&pb) < 0) return AVERROR(ENOMEM); avio_wb32(pb, s->nb_streams); bit_rate = 0; for(i=0;i<s->nb_streams;i++) { st = s->streams[i]; bit_rate += st->codec->bit_rate; } avio_wb32(pb, bit_rate); write_header_chunk(s->pb, pb, MKBETAG('M', 'A', 'I', 'N')); /* list of streams */ for(i=0;i<s->nb_streams;i++) { st = s->streams[i]; avpriv_set_pts_info(st, 64, 1, 1000000); if(avio_open_dyn_buf(&pb) < 0) return AVERROR(ENOMEM); codec = st->codec; /* generic info */ avio_wb32(pb, codec->codec_id); avio_w8(pb, codec->codec_type); avio_wb32(pb, codec->bit_rate); avio_wb32(pb, codec->flags); avio_wb32(pb, codec->flags2); avio_wb32(pb, codec->debug); if (codec->flags & CODEC_FLAG_GLOBAL_HEADER) { avio_wb32(pb, codec->extradata_size); avio_write(pb, codec->extradata, codec->extradata_size); } write_header_chunk(s->pb, pb, MKBETAG('C', 'O', 'M', 'M')); if(avio_open_dyn_buf(&pb) < 0) return AVERROR(ENOMEM); /* specific info */ switch(codec->codec_type) { case AVMEDIA_TYPE_VIDEO: avio_wb32(pb, codec->time_base.num); avio_wb32(pb, codec->time_base.den); avio_wb16(pb, codec->width); avio_wb16(pb, codec->height); avio_wb16(pb, codec->gop_size); avio_wb32(pb, codec->pix_fmt); avio_w8(pb, codec->qmin); avio_w8(pb, codec->qmax); avio_w8(pb, codec->max_qdiff); avio_wb16(pb, (int) (codec->qcompress * 10000.0)); avio_wb16(pb, (int) (codec->qblur * 10000.0)); avio_wb32(pb, codec->bit_rate_tolerance); avio_put_str(pb, codec->rc_eq ? codec->rc_eq : "tex^qComp"); avio_wb32(pb, codec->rc_max_rate); avio_wb32(pb, codec->rc_min_rate); avio_wb32(pb, codec->rc_buffer_size); avio_wb64(pb, av_double2int(codec->i_quant_factor)); avio_wb64(pb, av_double2int(codec->b_quant_factor)); avio_wb64(pb, av_double2int(codec->i_quant_offset)); avio_wb64(pb, av_double2int(codec->b_quant_offset)); avio_wb32(pb, codec->dct_algo); avio_wb32(pb, codec->strict_std_compliance); avio_wb32(pb, codec->max_b_frames); avio_wb32(pb, codec->mpeg_quant); avio_wb32(pb, codec->intra_dc_precision); avio_wb32(pb, codec->me_method); avio_wb32(pb, codec->mb_decision); avio_wb32(pb, codec->nsse_weight); avio_wb32(pb, codec->frame_skip_cmp); avio_wb64(pb, av_double2int(codec->rc_buffer_aggressivity)); avio_wb32(pb, codec->codec_tag); avio_w8(pb, codec->thread_count); avio_wb32(pb, codec->coder_type); avio_wb32(pb, codec->me_cmp); avio_wb32(pb, codec->me_subpel_quality); avio_wb32(pb, codec->me_range); avio_wb32(pb, codec->keyint_min); avio_wb32(pb, codec->scenechange_threshold); avio_wb32(pb, codec->b_frame_strategy); avio_wb64(pb, av_double2int(codec->qcompress)); avio_wb64(pb, av_double2int(codec->qblur)); avio_wb32(pb, codec->max_qdiff); avio_wb32(pb, codec->refs); write_header_chunk(s->pb, pb, MKBETAG('S', 'T', 'V', 'I')); break; case AVMEDIA_TYPE_AUDIO: avio_wb32(pb, codec->sample_rate); avio_wl16(pb, codec->channels); avio_wl16(pb, codec->frame_size); write_header_chunk(s->pb, pb, MKBETAG('S', 'T', 'A', 'U')); break; default: return -1; } } pb = s->pb; avio_wb64(pb, 0); // end of header /* flush until end of block reached */ while ((avio_tell(pb) % ffm->packet_size) != 0) avio_w8(pb, 0); avio_flush(pb); /* init packet mux */ ffm->packet_ptr = ffm->packet; ffm->packet_end = ffm->packet + ffm->packet_size - FFM_HEADER_SIZE; av_assert0(ffm->packet_end >= ffm->packet); ffm->frame_offset = 0; ffm->dts = 0; ffm->first_packet = 1; return 0; }
static int ffm_write_header(AVFormatContext *s) { FFMContext *ffm = s->priv_data; AVDictionaryEntry *t; AVStream *st; AVIOContext *pb = s->pb; AVCodecContext *codec; int bit_rate, i, ret; if (t = av_dict_get(s->metadata, "creation_time", NULL, 0)) { ret = av_parse_time(&ffm->start_time, t->value, 0); if (ret < 0) return ret; } ffm->packet_size = FFM_PACKET_SIZE; /* header */ avio_wl32(pb, MKTAG('F', 'F', 'M', '2')); avio_wb32(pb, ffm->packet_size); avio_wb64(pb, 0); /* current write position */ if(avio_open_dyn_buf(&pb) < 0) return AVERROR(ENOMEM); avio_wb32(pb, s->nb_streams); bit_rate = 0; for(i=0;i<s->nb_streams;i++) { st = s->streams[i]; bit_rate += st->codec->bit_rate; } avio_wb32(pb, bit_rate); write_header_chunk(s->pb, pb, MKBETAG('M', 'A', 'I', 'N')); /* list of streams */ for(i=0;i<s->nb_streams;i++) { st = s->streams[i]; avpriv_set_pts_info(st, 64, 1, 1000000); if(avio_open_dyn_buf(&pb) < 0) return AVERROR(ENOMEM); codec = st->codec; /* generic info */ avio_wb32(pb, codec->codec_id); avio_w8(pb, codec->codec_type); avio_wb32(pb, codec->bit_rate); avio_wb32(pb, codec->flags); avio_wb32(pb, codec->flags2); avio_wb32(pb, codec->debug); if (codec->flags & CODEC_FLAG_GLOBAL_HEADER) { avio_wb32(pb, codec->extradata_size); avio_write(pb, codec->extradata, codec->extradata_size); } write_header_chunk(s->pb, pb, MKBETAG('C', 'O', 'M', 'M')); /* specific info */ switch(codec->codec_type) { case AVMEDIA_TYPE_VIDEO: if (st->recommended_encoder_configuration) { av_log(NULL, AV_LOG_DEBUG, "writing recommended configuration: %s\n", st->recommended_encoder_configuration); if ((ret = ffm_write_recommended_config(s->pb, codec, MKBETAG('S', '2', 'V', 'I'), st->recommended_encoder_configuration)) < 0) return ret; } else if ((ret = ffm_write_header_codec_ctx(s->pb, codec, MKBETAG('S', '2', 'V', 'I'), AV_OPT_FLAG_VIDEO_PARAM)) < 0 || (ret = ffm_write_header_codec_private_ctx(s, codec, AV_OPT_FLAG_VIDEO_PARAM)) < 0) return ret; break; case AVMEDIA_TYPE_AUDIO: if (st->recommended_encoder_configuration) { av_log(NULL, AV_LOG_DEBUG, "writing recommended configuration: %s\n", st->recommended_encoder_configuration); if ((ret = ffm_write_recommended_config(s->pb, codec, MKBETAG('S', '2', 'A', 'U'), st->recommended_encoder_configuration)) < 0) return ret; } else if ((ret = ffm_write_header_codec_ctx(s->pb, codec, MKBETAG('S', '2', 'A', 'U'), AV_OPT_FLAG_AUDIO_PARAM)) < 0 || (ret = ffm_write_header_codec_private_ctx(s, codec, AV_OPT_FLAG_AUDIO_PARAM)) < 0) return ret; break; default: return -1; } } pb = s->pb; avio_wb64(pb, 0); // end of header /* flush until end of block reached */ while ((avio_tell(pb) % ffm->packet_size) != 0) avio_w8(pb, 0); avio_flush(pb); /* init packet mux */ ffm->packet_ptr = ffm->packet; ffm->packet_end = ffm->packet + ffm->packet_size - FFM_HEADER_SIZE; av_assert0(ffm->packet_end >= ffm->packet); ffm->frame_offset = 0; ffm->dts = 0; ffm->first_packet = 1; return 0; }