png_write_chunk 224 libavcodec/pngenc.c png_write_chunk(&s->bytestream, MKTAG('I', 'D', 'A', 'T'), s->buf, IOBUF_SIZE); png_write_chunk 323 libavcodec/pngenc.c png_write_chunk(&s->bytestream, MKTAG('I', 'H', 'D', 'R'), s->buf, 13); png_write_chunk 344 libavcodec/pngenc.c png_write_chunk(&s->bytestream, MKTAG('P', 'L', 'T', 'E'), s->buf, 256 * 3); png_write_chunk 346 libavcodec/pngenc.c png_write_chunk(&s->bytestream, MKTAG('t', 'R', 'N', 'S'), s->buf + 256 * 3, 256); png_write_chunk 400 libavcodec/pngenc.c png_write_chunk(&s->bytestream, MKTAG('I', 'D', 'A', 'T'), s->buf, len); png_write_chunk 410 libavcodec/pngenc.c png_write_chunk(&s->bytestream, MKTAG('I', 'E', 'N', 'D'), NULL, 0);