48 const uint8_t *
src,
int src_plane_size,
int nplanes)
51 const uint8_t *dst_start = dst;
54 if (dst_size < 2LL * src_plane_size * nplanes || src_plane_size <= 0)
57 for (p = 0; p < nplanes; p++) {
59 const uint8_t *src_plane =
src + p;
60 const uint8_t *src_plane_end = src_plane + src_plane_size * nplanes;
61 uint8_t prev = *src_plane;
64 for (; ; src_plane += nplanes) {
65 if (src_plane < src_plane_end && *src_plane == prev && count < 0x3F) {
70 if (count != 1 || prev >= 0xC0)
71 *dst++ = 0xC0 | count;
74 if (src_plane == src_plane_end)
84 return dst - dst_start;
90 const uint8_t *buf_end;
93 int bpp, nplanes,
i, y, line_bytes, written,
ret, max_pkt_size, sw, sh;
94 const uint32_t *pal =
NULL;
95 uint32_t palette256[256];
98 if (avctx->
width > 65535 || avctx->
height > 65535) {
121 pal = (uint32_t *)
frame->data[1];
133 line_bytes = (avctx->
width * bpp + 7) >> 3;
134 line_bytes = (line_bytes + 1) & ~1;
136 max_pkt_size = 128 + avctx->
height * 2 * line_bytes * nplanes + (pal ? 256*3 + 1 : 0);
144 if (sw > 0xFFFFu || sh > 0xFFFFu)
147 bytestream_put_byte(&buf, 10);
148 bytestream_put_byte(&buf, 5);
149 bytestream_put_byte(&buf, 1);
150 bytestream_put_byte(&buf, bpp);
151 bytestream_put_le16(&buf, 0);
152 bytestream_put_le16(&buf, 0);
153 bytestream_put_le16(&buf, avctx->
width - 1);
154 bytestream_put_le16(&buf, avctx->
height - 1);
155 bytestream_put_le16(&buf, sw);
156 bytestream_put_le16(&buf, sh);
157 for (
i = 0;
i < 16;
i++)
158 bytestream_put_be24(&buf, pal ? pal[
i] : 0);
159 bytestream_put_byte(&buf, 0);
160 bytestream_put_byte(&buf, nplanes);
161 bytestream_put_le16(&buf, line_bytes);
168 for (y = 0; y < avctx->
height; y++) {
170 src, line_bytes, nplanes)) < 0) {
178 if (nplanes == 1 && bpp == 8) {
179 if (buf_end - buf < 257) {
183 bytestream_put_byte(&buf, 12);
184 for (
i = 0;
i < 256;
i++) {
185 bytestream_put_be24(&buf, pal[
i]);