ffmpegj将h264与aac封装成mkv/ts或者h264与mp3封装成mp4/flv/avi测试代码

#include 
#include 

#define __STDC_CONSTANT_MACROS

#ifdef _WIN32	//Windows
extern "C" {
#include "libavformat/avformat.h"
};
#else			//Linux...
#ifdef __cplusplus
extern "C" {
#endif
#include 
#ifdef __cplusplus
};
#endif
#endif

#define errReport(info, val) do{ \
	fprintf(stderr, "ERR:: %s %s(line=%d) code=%d\n", __FUNCTION__, info,  __LINE__, val);\
	getch(); exit(0);\
}while (0);

typedef struct {
	AVFormatContext *ifmt_ctx;
	int stream_index = 0;
	AVStream *in_stream, *out_stream;
}data_t;

AVOutputFormat *ofmt = NULL;
AVFormatContext *ifmt_ctx_v = NULL, *ifmt_ctx_a = NULL, *ofmt_ctx = NULL;
AVPacket pkt;
int videoindex_v = -1, videoindex_out = -1;
int audioindex_a = -1, audioindex_out = -1;
int frame_index = 0;
int64_t cur_pts_v = 0, cur_pts_a = 0;
#if 0
const char *in_filename_v = "input.h264";
const char *in_filename_a = "input.aac";
#if 1
const char *out_filename = "output.mkv";
#else
const char *out_filename = "output.ts";
#endif
#else
const char *in_filename_v = "input.h264";
const char *in_filename_a = "input.mp3";
#if 0
const char *out_filename = "output.mp4";
#elif 1
const char *out_filename = "output.flv";
#else
const char *out_filename = "output.avi";
#endif
#endif

int create_out_stream(AVFormatContext **fmt_ctx, AVMediaType type, int *idx, int *idx_o) {
	for (int i = 0; i < (*fmt_ctx)->nb_streams; i++) {
		if ((*fmt_ctx)->streams[i]->codec->codec_type == type) {
			AVStream *in_stream = (*fmt_ctx)->streams[i];
			AVStream *out_stream = avformat_new_stream(ofmt_ctx, in_stream->codec->codec);
			*idx = i;
			if (!out_stream) return -1;

			*idx_o = out_stream->index;
			if (avcodec_copy_context(out_stream->codec, in_stream->codec) < 0)
				return -2;

			out_stream->codec->codec_tag = 0;
			if (ofmt_ctx->oformat->flags & AVFMT_GLOBALHEADER)
				out_stream->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
			break;
		}
	}
	return 0;
}
int init_muxer() {
	int i;
	av_register_all();
	if (avformat_open_input(&ifmt_ctx_v, in_filename_v, 0, 0) < 0)
		return -1;

	if (avformat_find_stream_info(ifmt_ctx_v, 0) < 0)
		return -2;

	if (avformat_open_input(&ifmt_ctx_a, in_filename_a, 0, 0) < 0)
		return -3;

	if (avformat_find_stream_info(ifmt_ctx_a, 0) < 0)
		return -4;

	printf("======================Input Information=====================\n");
	av_dump_format(ifmt_ctx_v, 0, in_filename_v, 0);
	printf("++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
	av_dump_format(ifmt_ctx_a, 0, in_filename_a, 0);
	printf("============================================================\n");
	avformat_alloc_output_context2(&ofmt_ctx, NULL, NULL, out_filename);
	if (!ofmt_ctx) return -5;

	ofmt = ofmt_ctx->oformat;
	if (create_out_stream(&ifmt_ctx_v, AVMEDIA_TYPE_VIDEO, &videoindex_v, &videoindex_out) < 0)
		return -6;
	if (create_out_stream(&ifmt_ctx_a, AVMEDIA_TYPE_AUDIO, &audioindex_a, &audioindex_out)<0)
		return -7;

	printf("=====================Output Information=====================\n");
	av_dump_format(ofmt_ctx, 0, out_filename, 1);
	printf("============================================================\n");
	if (!(ofmt->flags & AVFMT_NOFILE))
		if (avio_open(&ofmt_ctx->pb, out_filename, AVIO_FLAG_WRITE) < 0)
			return -8;

	if (avformat_write_header(ofmt_ctx, NULL) < 0)
		return -9;
	return 0;
}

int headle_data(data_t *d, AVFormatContext *fmt_ctx, int idx, int idx_o, int64_t *pts) {
	d->ifmt_ctx = fmt_ctx;
	d->stream_index = idx_o;
	if (av_read_frame(d->ifmt_ctx, &pkt) >= 0) {
		do {
			d->in_stream = d->ifmt_ctx->streams[pkt.stream_index];
			d->out_stream = ofmt_ctx->streams[d->stream_index];
			if (pkt.stream_index == idx) {
				//FIX：No PTS (Example: Raw H.264)
				//Simple Write PTS
				if (pkt.pts == AV_NOPTS_VALUE) {
					//Write PTS
					AVRational time_base1 = d->in_stream->time_base;
					//Duration between 2 frames (us)
					int64_t calc_duration = (double)AV_TIME_BASE / av_q2d(d->in_stream->r_frame_rate);
					//Parameters
					pkt.pts = (double)(frame_index*calc_duration) / (double)(av_q2d(time_base1)*AV_TIME_BASE);
					pkt.dts = pkt.pts;
					pkt.duration = (double)calc_duration / (double)(av_q2d(time_base1)*AV_TIME_BASE);
					frame_index++;
				}
				*pts = pkt.pts;
				break;
			}
		} while (av_read_frame(d->ifmt_ctx, &pkt) >= 0);
	}
	else {
		return 1;
	}
	return 0;
}

int main(int argc, char* argv[]) {
	int ret, i;
	if ((ret = init_muxer()) < 0)
		errReport("init_muxer", ret);

	while (1) {
		data_t dat;
		//Get an AVPacket
		if (av_compare_ts(cur_pts_v, ifmt_ctx_v->streams[videoindex_v]->time_base,
			cur_pts_a, ifmt_ctx_a->streams[audioindex_a]->time_base) <= 0) {
			if (headle_data(&dat, ifmt_ctx_v, videoindex_v, videoindex_out, &cur_pts_v) > 0)
				break;
		}
		else {
			if (headle_data(&dat, ifmt_ctx_a, audioindex_a, audioindex_out, &cur_pts_a) > 0)
				break;
		}
		//Convert PTS/DTS
		pkt.pts = av_rescale_q_rnd(pkt.pts, dat.in_stream->time_base, dat.out_stream->time_base, (AVRounding)(AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));
		pkt.dts = av_rescale_q_rnd(pkt.dts, dat.in_stream->time_base, dat.out_stream->time_base, (AVRounding)(AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));
		pkt.duration = av_rescale_q(pkt.duration, dat.in_stream->time_base, dat.out_stream->time_base);
		pkt.pos = -1;
		pkt.stream_index = dat.stream_index;

		printf("#:%5d:%lld\t", pkt.size, pkt.pts);
		if (av_interleaved_write_frame(ofmt_ctx, &pkt) < 0) {
			printf("Error muxing packet\n");
			break;
		}
		av_free_packet(&pkt);
	}
	av_write_trailer(ofmt_ctx);

	avformat_close_input(&ifmt_ctx_v);
	avformat_close_input(&ifmt_ctx_a);
	if (ofmt_ctx && !(ofmt->flags & AVFMT_NOFILE))
		avio_close(ofmt_ctx->pb);
	avformat_free_context(ofmt_ctx);
	if (ret < 0 && ret != AVERROR_EOF)
		printf("Error occurred.\n");
	else
		printf("successed.\n");
	getch();
	return 0;
}

结果：

[aac @ 03aa7960] Estimating duration from bitrate, this may be inaccurate
======================Input Information=====================
Input #0, h264, from 'input.h264':
  Duration: N/A, bitrate: N/A
    Stream #0:0: Video: h264 (High), yuv420p, 176x144, 25 fps, 25 tbr, 1200k tbn
, 50 tbc
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Input #0, aac, from 'input.aac':
  Duration: 00:00:09.11, bitrate: 73 kb/s
    Stream #0:0: Audio: aac (LC), 44100 Hz, stereo, fltp, 73 kb/s
============================================================
=====================Output Information=====================
Output #0, matroska, to 'output.mkv':
    Stream #0:0: Video: h264 (High), yuv420p, 176x144, q=2-31, 50 tbc
    Stream #0:1: Audio: aac (LC), 44100 Hz, stereo, fltp, 73 kb/s
============================================================
[matroska @ 031ca6e0] Using AVStream.codec.time_base as a timebase hint to the m
uxer is deprecated. Set AVStream.time_base instead.
[matroska @ 031ca6e0] Using AVStream.codec.time_base as a timebase hint to the m
uxer is deprecated. Set AVStream.time_base instead.
Ignoring attempt to set invalid timebase 1/0 for st:1
#: 5829:0       #: 2522:40      #:  140:0       #:  225:23      #:  198:46
#: 1038:80      #:  198:70      #:  180:93      #: 2824:120     #:  171:116
#:  182:139     #:  826:160     #:  185:163     #: 1088:200     #:  191:186
#:  195:209     #:  478:240     #:  203:232     #:  208:255     #: 1740:280
#:  190:279     #:  189:302     #: 1997:320     #:  199:325     #:  396:360
#:  193:348     #:  186:372     #: 2164:400     #:  209:395     #:  193:418
#:  406:440     #:  193:441     #: 5821:480     #:  181:464     #:  181:488
#: 1777:520     #:  207:511     #:  202:534     #:  505:560     #:  205:557
#:  198:580     #: 2253:600     #:  191:604     #:  742:640     #:  175:627
#:  200:650     #: 2752:680     #:  187:673     #:  215:697     #:  877:720
#:  201:720     #:  198:743     #: 2485:760     #:  182:766     #:  624:800
#:  202:789     #:  170:813     #: 2202:840     #:  191:836     #:  203:859
#:  576:880     #:  196:882     #:  867:920     #:  188:906     #:  189:929
#: 6511:960     #:  207:952     #:  194:975     #: 2339:1000    #:  180:998
#:  179:1022    #:  729:1040    #:  200:1045    #: 2720:1080    #:  202:1068
#:  186:1091    #:  775:1120    #:  193:1115    #:  188:1138    #: 2605:1160
#:  177:1161    #:  905:1200    #:  210:1184    #:  213:1207    #: 2614:1240
#:  209:1231    #:  195:1254    #:  986:1280    #:  171:1277    #:  187:1300
#: 2844:1320    #:  188:1324    #:  756:1360    #:  195:1347    #:  203:1370
#:  929:1400    #:  207:1393    #:  198:1416    #: 6083:1440    #:  198:1440
#:  194:1463    #: 2049:1480    #:  194:1486    #:  438:1520    #:  171:1509
#:  198:1533    #: 1985:1560    #:  192:1556    #:  180:1579    #:  384:1600
#:  220:1602    #: 1840:1640    #:  203:1625    #:  187:1649    #:  566:1680
#:  184:1672    #:  190:1695    #: 2677:1720    #:  174:1718    #:  201:1741
#:  897:1760    #:  193:1765    #: 3019:1800    #:  194:1788    #:  201:1811
#:  918:1840    #:  190:1834    #:  203:1858    #: 1270:1880    #:  204:1881
#: 5481:1920    #:  179:1904    #:  196:1927    #: 1703:1960    #:  197:1950
#:  198:1974    #: 2174:2000    #:  175:1997    #:  195:2020    #: 1918:2040
#:  198:2043    #: 2599:2080    #:  195:2067    #:  200:2090    #:  713:2120
#:  191:2113    #:  196:2136    #: 2497:2160    #:  191:2159    #:  190:2183
#:  682:2200    #:  203:2206    #: 1937:2240    #:  187:2229    #:  178:2252
#:  615:2280    #:  205:2276    #:  191:2299    #: 2158:2320    #:  174:2322
#:  857:2360    #:  206:2345    #:  222:2368    #: 5786:2400    #:  189:2392
#:  196:2415    #: 2610:2440    #:  186:2438    #:  192:2461    #:  683:2480
#:  182:2485    #: 2522:2520    #:  212:2508    #:  196:2531    #:  716:2560
#:  178:2554    #:  209:2577    #: 2342:2600    #:  192:2601    #:  616:2640
#:  178:2624    #:  201:2647    #: 2308:2680    #:  196:2670    #:  194:2694
#:  440:2720    #:  191:2717    #:  188:2740    #: 2330:2760    #:  192:2763
#:  505:2800    #:  200:2786    #:  196:2810    #:  879:2840    #:  188:2833
#:  192:2856    #: 6597:2880    #:  193:2879    #:  203:2902    #: 2145:2920
#:  192:2926    #:  608:2960    #:  199:2949    #:  188:2972    #: 2863:3000
#:  196:2995    #:  192:3019    #: 1012:3040    #:  187:3042    #: 2520:3080
#:  190:3065    #:  197:3088    #: 2894:3120    #:  196:3111    #:  184:3135
#:  678:3160    #:  196:3158    #:  193:3181    #: 2667:3200    #:  201:3204
#:  552:3240    #:  188:3228    #:  212:3251    #: 2580:3280    #:  185:3274
#:  176:3297    #:  525:3320    #:  194:3320    #: 7660:3360    #:  205:3344
#:  196:3367    #: 2045:3400    #:  176:3390    #:  198:3413    #:  562:3440
#:  203:3437    #:  186:3460    #: 2481:3480    #:  187:3483    #:  709:3520
#:  199:3506    #:  187:3529    #: 2538:3560    #:  192:3553    #:  199:3576
#:  592:3600    #:  201:3599    #:  191:3622    #: 2396:3640    #:  193:3646
#:  547:3680    #:  195:3669    #:  205:3692    #: 2329:3720    #:  200:3715
#:  189:3738    #:  534:3760    #:  189:3762    #:  958:3800    #:  197:3785
#:  199:3808    #: 6396:3840    #:  197:3831    #:  184:3855    #: 2378:3880
#:  193:3878    #:  192:3901    #:  619:3920    #:  182:3924    #: 2096:3960
#:  202:3947    #:  182:3971    #:  727:4000    #:  198:3994    #:  203:4017
#: 2046:4040    #:  199:4040    #: 2221:4080    #:  191:4063    #:  172:4087
#:  356:4120    #:  199:4110    #:  189:4133    #: 2083:4160    #:  205:4156
#:  190:4180    #:  454:4200    #:  204:4203    #: 2268:4240    #:  196:4226
#:  186:4249    #:  413:4280    #:  175:4272    #:  207:4296    #: 6571:4320
#:  200:4319    #:  196:4342    #: 1777:4360    #:  197:4365    #:  397:4400
#:  179:4389    #:  196:4412    #: 1930:4440    #:  195:4435    #:  195:4458
#: 2143:4480    #:  194:4481    #: 2689:4520    #:  179:4505    #:  197:4528
#: 2378:4560    #:  198:4551    #:  203:4574    #:  491:4600    #:  194:4598
#:  195:4621    #: 2496:4640    #:  180:4644    #:  493:4680    #:  203:4667
#:  182:4690    #: 2378:4720    #:  199:4714    #:  195:4737    #:  551:4760
#:  179:4760    #: 6641:4800    #:  193:4783    #:  197:4807    #: 1853:4840
#:  191:4830    #:  190:4853    #: 2540:4880    #:  201:4876    #:  196:4899
#:  622:4920    #:  201:4923    #: 2098:4960    #:  198:4946    #:  192:4969
#:  509:5000    #:  199:4992    #:  207:5016    #: 2136:5040    #:  191:5039
#:  182:5062    #:  487:5080    #:  194:5085    #: 1740:5120    #:  192:5108
#:  172:5132    #: 1744:5160    #:  194:5155    #:  199:5178    #: 2137:5200
#:  195:5201    #:  739:5240    #:  199:5224    #:  184:5248    #: 6329:5280
#:  195:5271    #:  201:5294    #: 2083:5320    #:  200:5317    #:  198:5341
#:  672:5360    #:  192:5364    #: 2529:5400    #:  174:5387    #:  197:5410
#:  737:5440    #:  195:5433    #:  202:5457    #: 2429:5480    #:  190:5480
#:  195:5503    #:  649:5520    #:  190:5526    #: 1690:5560    #:  196:5550
#:  192:5573    #: 1784:5600    #:  191:5596    #:  195:5619    #: 1704:5640
#:  193:5642    #: 1996:5680    #:  196:5666    #:  191:5689    #:  802:5720
#:  198:5712    #:  192:5735    #: 5532:5760    #:  191:5759    #:  187:5782
#: 1481:5800    #:  191:5805    #: 2505:5840    #:  190:5828    #:  196:5851
#:  920:5880    #:  176:5875    #:  212:5898    #: 2146:5920    #:  199:5921
#: 2557:5960    #:  211:5944    #:  189:5968    #: 1120:6000    #:  184:5991
#:  212:6014    #: 2580:6040    #:  192:6037    #:  190:6060    #: 2046:6080
#:  192:6084    #: 2364:6120    #:  196:6107    #:  199:6130    #: 2439:6160
#:  189:6153    #:  192:6177    #: 1956:6200    #:  193:6200    #:  183:6223
#: 6207:6240    #:  197:6246    #: 2161:6280    #:  186:6269    #:  207:6293
#:  805:6320    #:  196:6316    #:  193:6339    #: 2164:6360    #:  187:6362
#: 2546:6400    #:  203:6385    #:  192:6409    #: 3750:6440    #:  184:6432
#:  193:6455    #: 1051:6480    #:  198:6478    #:  198:6502    #: 3174:6520
#:  173:6525    #:  889:6560    #:  208:6548    #:  193:6571    #: 2989:6600
#:  190:6594    #:  198:6618    #:  981:6640    #:  192:6641    #: 1372:6680
#:  192:6664    #:  185:6687    #: 6644:6720    #:  198:6711    #:  198:6734
#: 2401:6760    #:  185:6757    #:  190:6780    #: 3512:6800    #:  193:6803
#: 1304:6840    #:  198:6827    #:  197:6850    #: 2518:6880    #:  200:6873
#:  199:6896    #: 2783:6920    #:  188:6920    #:  190:6943    #:  908:6960
#:  189:6966    #: 3130:7000    #:  189:6989    #:  189:7012    #: 1090:7040
#:  198:7036    #:  197:7059    #: 3256:7080    #:  190:7082    #: 1139:7120
#:  196:7105    #:  213:7129    #: 1315:7160    #:  166:7152    #:  204:7175
#: 6379:7200    #:  197:7198    #:  200:7221    #: 2744:7240    #:  186:7245
#: 1050:7280    #:  196:7268    #:  192:7291    #: 2528:7320    #:  197:7314
#:  188:7338    #:  848:7360    #:  191:7361    #: 2621:7400    #:  172:7384
#:  210:7407    #:  783:7440    #:  199:7430    #:  207:7454    #: 2294:7480
#:  191:7477    #:  191:7500    #: 2304:7520    #:  185:7523    #: 2225:7560
#:  190:7546    #:  198:7570    #: 2240:7600    #:  195:7593    #:  195:7616
#: 2274:7640    #:  196:7639    #:  192:7663    #: 6405:7680    #:  196:7686
#: 1987:7720    #:  190:7709    #:  192:7732    #: 2628:7760    #:  202:7755
#:  196:7779    #:  577:7800    #:  192:7802    #: 2392:7840    #:  197:7825
#:  188:7848    #:  412:7880    #:  184:7872    #:  186:7895    #: 1904:7920
#:  197:7918    #:  195:7941    #:  455:7960    #:  198:7964    #: 2116:8000
#:  192:7988    #:  197:8011    #: 2556:8040    #:  189:8034    #:  196:8057
#:  731:8080    #:  197:8081    #: 1184:8120    #:  196:8104    #:  177:8127
#: 7245:8160    #:  196:8150    #:  200:8173    #: 2296:8200    #:  197:8197
#:  195:8220    #:  868:8240    #:  182:8243    #: 2533:8280    #:  175:8266
#:  199:8290    #:  985:8320    #:  202:8313    #:  197:8336    #: 2534:8360
#:  196:8359    #:  169:8382    #:  942:8400    #:  203:8406    #: 2508:8440
#:  197:8429    #:  202:8452    #:  835:8480    #:  198:8475    #:  177:8499
#: 2499:8520    #:  194:8522    #:  820:8560    #:  201:8545    #:  197:8568
#: 1073:8600    #:  196:8591    #:  184:8615    #: 6810:8640    #:  176:8638
#:  199:8661    #: 2340:8680    #:  205:8684    #:  763:8720    #:  195:8707
#:  189:8731    #: 2138:8760    #:  204:8754    #:  191:8777    #:  736:8800
#:  195:8800    #: 2243:8840    #:  203:8824    #:  185:8847    #:  676:8880
#:  196:8870    #:  197:8893    #: 2148:8920    #:  189:8916    #:  200:8940
#:  680:8960    #:  196:8963    #: 1757:9000    #:  199:8986    #:  192:9009
#: 2077:9040    #:  183:9033    #:  197:9056    #: 2174:9080    #:  187:9079
#:  189:9102    #: 6016:9120    #:  195:9125    #: 1203:9160    #:  201:9149
#:  198:9172    #: 1463:9200    #:  185:9195    #:  188:9218    #: 2474:9240
#:  195:9242    #:  790:9280    #:  192:9265    #:  196:9288    #: 2549:9320
#:  194:9311    #:  191:9334    #:  627:9360    #:  192:9358    #:  195:9381
#: 2141:9400    #:  192:9404    #:  505:9440    #:  196:9427    #:  195:9451
#: 2197:9480    #:  194:9474    #:  197:9497    #:  489:9520    #:  193:9520
#: 1003:9560    #:  185:9543    #:  163:9567    #: 5942:9600    #:  203:9590
#:  208:9613    #: 1444:9640    #:  196:9636    #:  198:9660    #: 1569:9680
#:  199:9683    #: 2115:9720    #:  198:9706    #:  193:9729    #: 1003:9760
#:  188:9752    #:  194:9776    #: 2163:9800    #:  193:9799    #:  199:9822
#:  826:9840    #:  203:9845    #: 1886:9880    #:  198:9868    #:  195:9892
#:  907:9920    #:  190:9915    #:  197:9938    #: 1402:9960    #:  191:9961
successed.