apng_write_chunk 178 libavformat/apngenc.c apng_write_chunk(io_context, MKBETAG('a', 'c', 'T', 'L'), buf, 8); apng_write_chunk 258 libavformat/apngenc.c apng_write_chunk(io_context, MKBETAG('I', 'E', 'N', 'D'), NULL, 0); apng_write_chunk 265 libavformat/apngenc.c apng_write_chunk(io_context, MKBETAG('a', 'c', 'T', 'L'), buf, 8);