拼接合并yuv序列转成mp4

 ffmpeg需要用支持libx264的版本，如果需要，可以从这个网站下载编译支持libx264\x265的ffmpeg

https://www.gyan.dev/ffmpeg/builds/packages/ffmpeg-6.1-essentials_build.7z

#-*- coding:utf-8-*-
import osif __name__ == "__main__":# 1 输入想要合并序列，按顺序放input_w = 2560input_h = 1440input_seqs = [r"D:\input\\2_2k_420.yuv",r"D:\input\\4_2k_420.yuv", r"D:\input\\10_2K_420.yuv", ]# 2 每个yuv转码成mp44ffmpeg_trans_param = "ffmpeg -y -f rawvideo -video_size %sx%s -pixel_format yuv420p -i %s \-c:v libx264 -q 10 %d_out.mp4"if os.path.exists("concat_list.txt"):os.remove("concat_list.txt")f_concat = open("concat_list.txt","a")for i in range(0,len(input_seqs)):cur_cmd = ffmpeg_trans_param %( input_w, input_h, input_seqs[i], i)os.system(cur_cmd)write_info = "file %d_out.mp4\n" % ( i)f_concat.write(write_info)f_concat.close()# 3 按顺序合并所有mp4文件cur_cmd = "ffmpeg -y -hide_banner -f concat -i concat_list.txt -c:v copy  concat_total.mp4"os.system(cur_cmd)