linux c ts流输出

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define TS_PACKET_SIZE 188
#define PID_VIDEO 0x1000
#define PID_AUDIO 0x1100

typedef struct {
    unsigned char sync_byte;
    unsigned char transport_error_indicator : 1;
    unsigned char payload_unit_start_indicator : 1;
    unsigned char transport_priority : 1;
    unsigned short pid;
    unsigned char transport_scrambling_control : 2;
    unsigned char adaptation_field_control : 2;
    unsigned char continuity_counter;
} TSHeader;

void create_ts_packet(unsigned char *payload, int payload_size, int pid, unsigned char *ts_packet) {
    TSHeader header;
    memset(&header, 0, sizeof(header));
    header.sync_byte = 0x47;
    header.pid = pid;
    header.payload_unit_start_indicator = 1;
    header.continuity_counter = 0;

    memcpy(ts_packet, &header, sizeof(header));
    memcpy(ts_packet + sizeof(header), payload, payload_size);
}

int main() {
    FILE *output_file = fopen("output.ts", "wb");
    if (!output_file) {
        perror("Failed to open output file");
        return 1;
    }

    unsigned char video_payload[] = { /* Your video data here */ };
    unsigned char audio_payload[] = { /* Your audio data here */ };

    unsigned char ts_packet[TS_PACKET_SIZE];

    for (int i = 0; i < 100; ++i) {
        create_ts_packet(video_payload, sizeof(video_payload), PID_VIDEO, ts_packet);
        fwrite(ts_packet, 1, TS_PACKET_SIZE, output_file);

        create_ts_packet(audio_payload, sizeof(audio_payload), PID_AUDIO, ts_packet);
        fwrite(ts_packet, 1, TS_PACKET_SIZE, output_file);
    }

    fclose(output_file);
    return 0;
}