+static void show_packet(AVFormatContext *fmt_ctx, AVPacket *pkt)
+{
+ char val_str[128];
+ AVStream *st = fmt_ctx->streams[pkt->stream_index];
+
+ printf("[PACKET]\n");
+ printf("codec_type=%s\n" , media_type_string(st->codec->codec_type));
+ printf("stream_index=%d\n" , pkt->stream_index);
+ printf("pts=%s\n" , ts_value_string (val_str, sizeof(val_str), pkt->pts));
+ printf("pts_time=%s\n" , time_value_string(val_str, sizeof(val_str), pkt->pts, &st->time_base));
+ printf("dts=%s\n" , ts_value_string (val_str, sizeof(val_str), pkt->dts));
+ printf("dts_time=%s\n" , time_value_string(val_str, sizeof(val_str), pkt->dts, &st->time_base));
+ printf("duration=%s\n" , ts_value_string (val_str, sizeof(val_str), pkt->duration));
+ printf("duration_time=%s\n", time_value_string(val_str, sizeof(val_str), pkt->duration, &st->time_base));
+ printf("size=%s\n" , value_string (val_str, sizeof(val_str), pkt->size, unit_byte_str));
+ printf("pos=%"PRId64"\n" , pkt->pos);
+ printf("flags=%c\n" , pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
+ printf("[/PACKET]\n");
+}
+
+static void show_packets(AVFormatContext *fmt_ctx)
+{
+ AVPacket pkt;
+
+ av_init_packet(&pkt);
+
+ while (!av_read_frame(fmt_ctx, &pkt))
+ show_packet(fmt_ctx, &pkt);
+}
+