28 #define SGI_SINGLE_CHAN 2
29 #define SGI_MULTI_CHAN 3
41 const AVFrame *frame,
int *got_packet)
43 const AVFrame *
const p = frame;
44 uint8_t *offsettab, *lengthtab, *in_buf, *encode_buf, *buf;
45 int x, y, z, length, tablesize, ret;
47 unsigned char *end_buf;
72 tablesize = depth * height * 4;
75 length += depth * height *
width;
77 length += tablesize * 2 + depth * height * (2 * width + 1);
89 bytestream_put_byte(&buf, 1);
90 bytestream_put_be16(&buf, dimension);
91 bytestream_put_be16(&buf, width);
92 bytestream_put_be16(&buf, height);
93 bytestream_put_be16(&buf, depth);
96 bytestream_put_be32(&buf, 0
L);
97 bytestream_put_be32(&buf, 255
L);
98 bytestream_put_be32(&buf, 0
L);
105 bytestream_put_be32(&buf, 0
L);
123 for (z = 0; z < depth; z++) {
124 in_buf = p->
data[0] + p->
linesize[0] * (height - 1) + z;
126 for (y = 0; y <
height; y++) {
127 bytestream_put_be32(&offsettab, buf - pkt->
data);
129 for (x = 0; x <
width; x++)
130 encode_buf[x] = in_buf[depth * x];
132 if ((length =
ff_rle_encode(buf, end_buf - buf - 1, encode_buf, 1, width, 0, 0, 0x80, 0)) < 1) {
138 bytestream_put_byte(&buf, 0);
139 bytestream_put_be32(&lengthtab, length + 1);
146 for (z = 0; z < depth; z++) {
147 in_buf = p->
data[0] + p->
linesize[0] * (height - 1) + z;
149 for (y = 0; y <
height; y++) {
150 for (x = 0; x < width * depth; x += depth)
151 bytestream_put_byte(&buf, in_buf[x]);