-/* The GIF format uses reversed order for bitstreams... */
-/* at least they don't use PDP_ENDIAN :) */
-/* so we 'extend' PutBitContext. hmmm, OOP :) */
-/* seems this thing changed slightly since I wrote it... */
-
-#ifdef ALT_BITSTREAM_WRITER
-# error no ALT_BITSTREAM_WRITER support for now
-#endif
-
-static void gif_put_bits_rev(PutBitContext *s, int n, unsigned int value)
-{
- unsigned int bit_buf;
- int bit_cnt;
-
-#ifdef STATS
- st_out_bit_counts[st_current_index] += n;
-#endif
- // printf("put_bits=%d %x\n", n, value);
- assert(n == 32 || value < (1U << n));
-
- bit_buf = s->bit_buf;
- bit_cnt = 32 - s->bit_left; /* XXX:lazyness... was = s->bit_cnt; */
-
- // printf("n=%d value=%x cnt=%d buf=%x\n", n, value, bit_cnt, bit_buf);
- /* XXX: optimize */
- if (n < (32-bit_cnt)) {
- bit_buf |= value << (bit_cnt);
- bit_cnt+=n;
- } else {
- bit_buf |= value << (bit_cnt);
-
- *s->buf_ptr = bit_buf & 0xff;
- s->buf_ptr[1] = (bit_buf >> 8) & 0xff;
- s->buf_ptr[2] = (bit_buf >> 16) & 0xff;
- s->buf_ptr[3] = (bit_buf >> 24) & 0xff;
-
- //printf("bitbuf = %08x\n", bit_buf);
- s->buf_ptr+=4;
- if (s->buf_ptr >= s->buf_end)
- puts("bit buffer overflow !!"); // should never happen ! who got rid of the callback ???
-// flush_buffer_rev(s);
- bit_cnt=bit_cnt + n - 32;
- if (bit_cnt == 0) {
- bit_buf = 0;
- } else {
- bit_buf = value >> (n - bit_cnt);
- }
- }
-
- s->bit_buf = bit_buf;
- s->bit_left = 32 - bit_cnt;
-}
-
-/* pad the end of the output stream with zeros */
-static void gif_flush_put_bits_rev(PutBitContext *s)
-{
- while (s->bit_left < 32) {
- /* XXX: should test end of buffer */
- *s->buf_ptr++=s->bit_buf & 0xff;
- s->bit_buf>>=8;
- s->bit_left+=8;
- }
-// flush_buffer_rev(s);
- s->bit_left=32;
- s->bit_buf=0;
-}
-
-/* !RevPutBitContext */
-