mirror of https://git.ffmpeg.org/ffmpeg.git
avcodec/ffv1: template functions to allow data types different from int16_t
This is required for >= 16bit RGB support I tried it without templates but its too much duplicated code Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
parent
22d13e4290
commit
74314f1f5f
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@ -158,37 +158,6 @@ static av_always_inline int fold(int diff, int bits)
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return diff;
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}
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static inline int predict(int16_t *src, int16_t *last)
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{
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const int LT = last[-1];
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const int T = last[0];
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const int L = src[-1];
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return mid_pred(L, L + T - LT, T);
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}
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static inline int get_context(PlaneContext *p, int16_t *src,
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int16_t *last, int16_t *last2)
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{
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const int LT = last[-1];
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const int T = last[0];
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const int RT = last[1];
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const int L = src[-1];
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if (p->quant_table[3][127]) {
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const int TT = last2[0];
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const int LL = src[-2];
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return p->quant_table[0][(L - LT) & 0xFF] +
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p->quant_table[1][(LT - T) & 0xFF] +
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p->quant_table[2][(T - RT) & 0xFF] +
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p->quant_table[3][(LL - L) & 0xFF] +
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p->quant_table[4][(TT - T) & 0xFF];
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} else
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return p->quant_table[0][(L - LT) & 0xFF] +
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p->quant_table[1][(LT - T) & 0xFF] +
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p->quant_table[2][(T - RT) & 0xFF];
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}
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static inline void update_vlc_state(VlcState *const state, const int v)
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{
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int drift = state->drift;
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@ -223,4 +192,10 @@ static inline void update_vlc_state(VlcState *const state, const int v)
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state->count = count;
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}
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#define TYPE int16_t
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#define RENAME(name) name
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#include "ffv1_template.c"
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#undef TYPE
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#undef RENAME
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#endif /* AVCODEC_FFV1_H */
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@ -0,0 +1,53 @@
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/*
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* FFV1 codec
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*
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* Copyright (c) 2003-2013 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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static inline int RENAME(predict)(TYPE *src, TYPE *last)
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{
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const int LT = last[-1];
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const int T = last[0];
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const int L = src[-1];
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return mid_pred(L, L + T - LT, T);
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}
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static inline int RENAME(get_context)(PlaneContext *p, TYPE *src,
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TYPE *last, TYPE *last2)
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{
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const int LT = last[-1];
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const int T = last[0];
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const int RT = last[1];
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const int L = src[-1];
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if (p->quant_table[3][127]) {
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const int TT = last2[0];
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const int LL = src[-2];
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return p->quant_table[0][(L - LT) & 0xFF] +
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p->quant_table[1][(LT - T) & 0xFF] +
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p->quant_table[2][(T - RT) & 0xFF] +
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p->quant_table[3][(LL - L) & 0xFF] +
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p->quant_table[4][(TT - T) & 0xFF];
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} else
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return p->quant_table[0][(L - LT) & 0xFF] +
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p->quant_table[1][(LT - T) & 0xFF] +
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p->quant_table[2][(T - RT) & 0xFF];
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}
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@ -97,88 +97,12 @@ static inline int get_vlc_symbol(GetBitContext *gb, VlcState *const state,
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return ret;
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}
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static av_always_inline void decode_line(FFV1Context *s, int w,
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int16_t *sample[2],
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int plane_index, int bits)
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{
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PlaneContext *const p = &s->plane[plane_index];
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RangeCoder *const c = &s->c;
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int x;
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int run_count = 0;
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int run_mode = 0;
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int run_index = s->run_index;
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#define TYPE int16_t
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#define RENAME(name) name
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#include "ffv1dec_template.c"
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#undef TYPE
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#undef RENAME
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if (s->slice_coding_mode == 1) {
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int i;
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for (x = 0; x < w; x++) {
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int v = 0;
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for (i=0; i<bits; i++) {
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uint8_t state = 128;
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v += v + get_rac(c, &state);
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}
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sample[1][x] = v;
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}
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return;
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}
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for (x = 0; x < w; x++) {
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int diff, context, sign;
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context = get_context(p, sample[1] + x, sample[0] + x, sample[1] + x);
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if (context < 0) {
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context = -context;
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sign = 1;
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} else
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sign = 0;
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av_assert2(context < p->context_count);
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if (s->ac != AC_GOLOMB_RICE) {
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diff = get_symbol_inline(c, p->state[context], 1);
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} else {
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if (context == 0 && run_mode == 0)
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run_mode = 1;
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if (run_mode) {
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if (run_count == 0 && run_mode == 1) {
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if (get_bits1(&s->gb)) {
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run_count = 1 << ff_log2_run[run_index];
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if (x + run_count <= w)
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run_index++;
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} else {
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if (ff_log2_run[run_index])
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run_count = get_bits(&s->gb, ff_log2_run[run_index]);
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else
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run_count = 0;
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if (run_index)
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run_index--;
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run_mode = 2;
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}
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}
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run_count--;
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if (run_count < 0) {
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run_mode = 0;
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run_count = 0;
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diff = get_vlc_symbol(&s->gb, &p->vlc_state[context],
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bits);
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if (diff >= 0)
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diff++;
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} else
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diff = 0;
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} else
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diff = get_vlc_symbol(&s->gb, &p->vlc_state[context], bits);
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ff_dlog(s->avctx, "count:%d index:%d, mode:%d, x:%d pos:%d\n",
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run_count, run_index, run_mode, x, get_bits_count(&s->gb));
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}
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if (sign)
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diff = -diff;
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sample[1][x] = av_mod_uintp2(predict(sample[1] + x, sample[0] + x) + diff, bits);
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}
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s->run_index = run_index;
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}
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static void decode_plane(FFV1Context *s, uint8_t *src,
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int w, int h, int stride, int plane_index,
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@ -223,62 +147,6 @@ static void decode_plane(FFV1Context *s, uint8_t *src,
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}
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}
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static void decode_rgb_frame(FFV1Context *s, uint8_t *src[3], int w, int h, int stride[3])
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{
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int x, y, p;
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int16_t *sample[4][2];
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int lbd = s->avctx->bits_per_raw_sample <= 8;
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int bits = s->avctx->bits_per_raw_sample > 0 ? s->avctx->bits_per_raw_sample : 8;
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int offset = 1 << bits;
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for (x = 0; x < 4; x++) {
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sample[x][0] = s->sample_buffer + x * 2 * (w + 6) + 3;
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sample[x][1] = s->sample_buffer + (x * 2 + 1) * (w + 6) + 3;
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}
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s->run_index = 0;
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memset(s->sample_buffer, 0, 8 * (w + 6) * sizeof(*s->sample_buffer));
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for (y = 0; y < h; y++) {
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for (p = 0; p < 3 + s->transparency; p++) {
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int16_t *temp = sample[p][0]; // FIXME: try a normal buffer
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sample[p][0] = sample[p][1];
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sample[p][1] = temp;
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sample[p][1][-1]= sample[p][0][0 ];
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sample[p][0][ w]= sample[p][0][w-1];
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if (lbd && s->slice_coding_mode == 0)
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decode_line(s, w, sample[p], (p + 1)/2, 9);
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else
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decode_line(s, w, sample[p], (p + 1)/2, bits + (s->slice_coding_mode != 1));
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}
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for (x = 0; x < w; x++) {
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int g = sample[0][1][x];
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int b = sample[1][1][x];
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int r = sample[2][1][x];
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int a = sample[3][1][x];
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if (s->slice_coding_mode != 1) {
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b -= offset;
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r -= offset;
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g -= (b * s->slice_rct_by_coef + r * s->slice_rct_ry_coef) >> 2;
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b += g;
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r += g;
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}
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if (lbd)
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*((uint32_t*)(src[0] + x*4 + stride[0]*y)) = b + (g<<8) + (r<<16) + (a<<24);
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else {
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*((uint16_t*)(src[0] + x*2 + stride[0]*y)) = b;
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*((uint16_t*)(src[1] + x*2 + stride[1]*y)) = g;
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*((uint16_t*)(src[2] + x*2 + stride[2]*y)) = r;
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}
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}
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}
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}
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static int decode_slice_header(FFV1Context *f, FFV1Context *fs)
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{
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RangeCoder *c = &fs->c;
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@ -0,0 +1,160 @@
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/*
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* FFV1 decoder template
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*
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* Copyright (c) 2003-2016 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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static av_always_inline void RENAME(decode_line)(FFV1Context *s, int w,
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TYPE *sample[2],
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int plane_index, int bits)
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{
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PlaneContext *const p = &s->plane[plane_index];
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RangeCoder *const c = &s->c;
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int x;
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int run_count = 0;
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int run_mode = 0;
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int run_index = s->run_index;
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if (s->slice_coding_mode == 1) {
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int i;
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for (x = 0; x < w; x++) {
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int v = 0;
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for (i=0; i<bits; i++) {
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uint8_t state = 128;
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v += v + get_rac(c, &state);
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}
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sample[1][x] = v;
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}
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return;
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}
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for (x = 0; x < w; x++) {
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int diff, context, sign;
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context = RENAME(get_context)(p, sample[1] + x, sample[0] + x, sample[1] + x);
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if (context < 0) {
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context = -context;
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sign = 1;
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} else
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sign = 0;
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av_assert2(context < p->context_count);
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if (s->ac != AC_GOLOMB_RICE) {
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diff = get_symbol_inline(c, p->state[context], 1);
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} else {
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if (context == 0 && run_mode == 0)
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run_mode = 1;
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if (run_mode) {
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if (run_count == 0 && run_mode == 1) {
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if (get_bits1(&s->gb)) {
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run_count = 1 << ff_log2_run[run_index];
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if (x + run_count <= w)
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run_index++;
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} else {
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if (ff_log2_run[run_index])
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run_count = get_bits(&s->gb, ff_log2_run[run_index]);
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else
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run_count = 0;
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if (run_index)
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run_index--;
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run_mode = 2;
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}
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}
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run_count--;
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if (run_count < 0) {
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run_mode = 0;
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run_count = 0;
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diff = get_vlc_symbol(&s->gb, &p->vlc_state[context],
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bits);
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if (diff >= 0)
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diff++;
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} else
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diff = 0;
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} else
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diff = get_vlc_symbol(&s->gb, &p->vlc_state[context], bits);
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ff_dlog(s->avctx, "count:%d index:%d, mode:%d, x:%d pos:%d\n",
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run_count, run_index, run_mode, x, get_bits_count(&s->gb));
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}
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if (sign)
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diff = -diff;
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sample[1][x] = av_mod_uintp2(RENAME(predict)(sample[1] + x, sample[0] + x) + diff, bits);
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}
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s->run_index = run_index;
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}
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static void RENAME(decode_rgb_frame)(FFV1Context *s, uint8_t *src[3], int w, int h, int stride[3])
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{
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int x, y, p;
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TYPE *sample[4][2];
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int lbd = s->avctx->bits_per_raw_sample <= 8;
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int bits = s->avctx->bits_per_raw_sample > 0 ? s->avctx->bits_per_raw_sample : 8;
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int offset = 1 << bits;
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for (x = 0; x < 4; x++) {
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sample[x][0] = RENAME(s->sample_buffer) + x * 2 * (w + 6) + 3;
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sample[x][1] = RENAME(s->sample_buffer) + (x * 2 + 1) * (w + 6) + 3;
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}
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s->run_index = 0;
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memset(RENAME(s->sample_buffer), 0, 8 * (w + 6) * sizeof(*RENAME(s->sample_buffer)));
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for (y = 0; y < h; y++) {
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for (p = 0; p < 3 + s->transparency; p++) {
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TYPE *temp = sample[p][0]; // FIXME: try a normal buffer
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sample[p][0] = sample[p][1];
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sample[p][1] = temp;
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sample[p][1][-1]= sample[p][0][0 ];
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sample[p][0][ w]= sample[p][0][w-1];
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if (lbd && s->slice_coding_mode == 0)
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RENAME(decode_line)(s, w, sample[p], (p + 1)/2, 9);
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else
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RENAME(decode_line)(s, w, sample[p], (p + 1)/2, bits + (s->slice_coding_mode != 1));
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}
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for (x = 0; x < w; x++) {
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int g = sample[0][1][x];
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int b = sample[1][1][x];
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int r = sample[2][1][x];
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int a = sample[3][1][x];
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if (s->slice_coding_mode != 1) {
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b -= offset;
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r -= offset;
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g -= (b * s->slice_rct_by_coef + r * s->slice_rct_ry_coef) >> 2;
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b += g;
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r += g;
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}
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if (lbd)
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*((uint32_t*)(src[0] + x*4 + stride[0]*y)) = b + (g<<8) + (r<<16) + (a<<24);
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else {
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*((uint16_t*)(src[0] + x*2 + stride[0]*y)) = b;
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*((uint16_t*)(src[1] + x*2 + stride[1]*y)) = g;
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*((uint16_t*)(src[2] + x*2 + stride[2]*y)) = r;
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}
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}
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}
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}
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@ -268,107 +268,12 @@ static inline void put_vlc_symbol(PutBitContext *pb, VlcState *const state,
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update_vlc_state(state, v);
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}
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static av_always_inline int encode_line(FFV1Context *s, int w,
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int16_t *sample[3],
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int plane_index, int bits)
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{
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PlaneContext *const p = &s->plane[plane_index];
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RangeCoder *const c = &s->c;
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int x;
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int run_index = s->run_index;
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int run_count = 0;
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int run_mode = 0;
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#define TYPE int16_t
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#define RENAME(name) name
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#include "ffv1enc_template.c"
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#undef TYPE
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#undef RENAME
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|
||||
if (s->ac != AC_GOLOMB_RICE) {
|
||||
if (c->bytestream_end - c->bytestream < w * 35) {
|
||||
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
} else {
|
||||
if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < w * 4) {
|
||||
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
}
|
||||
|
||||
if (s->slice_coding_mode == 1) {
|
||||
for (x = 0; x < w; x++) {
|
||||
int i;
|
||||
int v = sample[0][x];
|
||||
for (i = bits-1; i>=0; i--) {
|
||||
uint8_t state = 128;
|
||||
put_rac(c, &state, (v>>i) & 1);
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
for (x = 0; x < w; x++) {
|
||||
int diff, context;
|
||||
|
||||
context = get_context(p, sample[0] + x, sample[1] + x, sample[2] + x);
|
||||
diff = sample[0][x] - predict(sample[0] + x, sample[1] + x);
|
||||
|
||||
if (context < 0) {
|
||||
context = -context;
|
||||
diff = -diff;
|
||||
}
|
||||
|
||||
diff = fold(diff, bits);
|
||||
|
||||
if (s->ac != AC_GOLOMB_RICE) {
|
||||
if (s->flags & AV_CODEC_FLAG_PASS1) {
|
||||
put_symbol_inline(c, p->state[context], diff, 1, s->rc_stat,
|
||||
s->rc_stat2[p->quant_table_index][context]);
|
||||
} else {
|
||||
put_symbol_inline(c, p->state[context], diff, 1, NULL, NULL);
|
||||
}
|
||||
} else {
|
||||
if (context == 0)
|
||||
run_mode = 1;
|
||||
|
||||
if (run_mode) {
|
||||
if (diff) {
|
||||
while (run_count >= 1 << ff_log2_run[run_index]) {
|
||||
run_count -= 1 << ff_log2_run[run_index];
|
||||
run_index++;
|
||||
put_bits(&s->pb, 1, 1);
|
||||
}
|
||||
|
||||
put_bits(&s->pb, 1 + ff_log2_run[run_index], run_count);
|
||||
if (run_index)
|
||||
run_index--;
|
||||
run_count = 0;
|
||||
run_mode = 0;
|
||||
if (diff > 0)
|
||||
diff--;
|
||||
} else {
|
||||
run_count++;
|
||||
}
|
||||
}
|
||||
|
||||
ff_dlog(s->avctx, "count:%d index:%d, mode:%d, x:%d pos:%d\n",
|
||||
run_count, run_index, run_mode, x,
|
||||
(int)put_bits_count(&s->pb));
|
||||
|
||||
if (run_mode == 0)
|
||||
put_vlc_symbol(&s->pb, &p->vlc_state[context], diff, bits);
|
||||
}
|
||||
}
|
||||
if (run_mode) {
|
||||
while (run_count >= 1 << ff_log2_run[run_index]) {
|
||||
run_count -= 1 << ff_log2_run[run_index];
|
||||
run_index++;
|
||||
put_bits(&s->pb, 1, 1);
|
||||
}
|
||||
|
||||
if (run_count)
|
||||
put_bits(&s->pb, 1, 1);
|
||||
}
|
||||
s->run_index = run_index;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int encode_plane(FFV1Context *s, uint8_t *src, int w, int h,
|
||||
int stride, int plane_index, int pixel_stride)
|
||||
|
|
@ -410,68 +315,6 @@ static int encode_plane(FFV1Context *s, uint8_t *src, int w, int h,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int encode_rgb_frame(FFV1Context *s, const uint8_t *src[3],
|
||||
int w, int h, const int stride[3])
|
||||
{
|
||||
int x, y, p, i;
|
||||
const int ring_size = s->context_model ? 3 : 2;
|
||||
int16_t *sample[4][3];
|
||||
int lbd = s->bits_per_raw_sample <= 8;
|
||||
int bits = s->bits_per_raw_sample > 0 ? s->bits_per_raw_sample : 8;
|
||||
int offset = 1 << bits;
|
||||
|
||||
s->run_index = 0;
|
||||
|
||||
memset(s->sample_buffer, 0, ring_size * MAX_PLANES *
|
||||
(w + 6) * sizeof(*s->sample_buffer));
|
||||
|
||||
for (y = 0; y < h; y++) {
|
||||
for (i = 0; i < ring_size; i++)
|
||||
for (p = 0; p < MAX_PLANES; p++)
|
||||
sample[p][i]= s->sample_buffer + p*ring_size*(w+6) + ((h+i-y)%ring_size)*(w+6) + 3;
|
||||
|
||||
for (x = 0; x < w; x++) {
|
||||
int b, g, r, av_uninit(a);
|
||||
if (lbd) {
|
||||
unsigned v = *((const uint32_t*)(src[0] + x*4 + stride[0]*y));
|
||||
b = v & 0xFF;
|
||||
g = (v >> 8) & 0xFF;
|
||||
r = (v >> 16) & 0xFF;
|
||||
a = v >> 24;
|
||||
} else {
|
||||
b = *((const uint16_t *)(src[0] + x*2 + stride[0]*y));
|
||||
g = *((const uint16_t *)(src[1] + x*2 + stride[1]*y));
|
||||
r = *((const uint16_t *)(src[2] + x*2 + stride[2]*y));
|
||||
}
|
||||
|
||||
if (s->slice_coding_mode != 1) {
|
||||
b -= g;
|
||||
r -= g;
|
||||
g += (b * s->slice_rct_by_coef + r * s->slice_rct_ry_coef) >> 2;
|
||||
b += offset;
|
||||
r += offset;
|
||||
}
|
||||
|
||||
sample[0][0][x] = g;
|
||||
sample[1][0][x] = b;
|
||||
sample[2][0][x] = r;
|
||||
sample[3][0][x] = a;
|
||||
}
|
||||
for (p = 0; p < 3 + s->transparency; p++) {
|
||||
int ret;
|
||||
sample[p][0][-1] = sample[p][1][0 ];
|
||||
sample[p][1][ w] = sample[p][1][w-1];
|
||||
if (lbd && s->slice_coding_mode == 0)
|
||||
ret = encode_line(s, w, sample[p], (p + 1) / 2, 9);
|
||||
else
|
||||
ret = encode_line(s, w, sample[p], (p + 1) / 2, bits + (s->slice_coding_mode != 1));
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void write_quant_table(RangeCoder *c, int16_t *quant_table)
|
||||
{
|
||||
int last = 0;
|
||||
|
|
|
|||
|
|
@ -0,0 +1,186 @@
|
|||
/*
|
||||
* FFV1 encoder template
|
||||
*
|
||||
* Copyright (c) 2003-2016 Michael Niedermayer <michaelni@gmx.at>
|
||||
*
|
||||
* This file is part of FFmpeg.
|
||||
*
|
||||
* FFmpeg is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* FFmpeg is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with FFmpeg; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
static av_always_inline int RENAME(encode_line)(FFV1Context *s, int w,
|
||||
TYPE *sample[3],
|
||||
int plane_index, int bits)
|
||||
{
|
||||
PlaneContext *const p = &s->plane[plane_index];
|
||||
RangeCoder *const c = &s->c;
|
||||
int x;
|
||||
int run_index = s->run_index;
|
||||
int run_count = 0;
|
||||
int run_mode = 0;
|
||||
|
||||
if (s->ac != AC_GOLOMB_RICE) {
|
||||
if (c->bytestream_end - c->bytestream < w * 35) {
|
||||
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
} else {
|
||||
if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < w * 4) {
|
||||
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
}
|
||||
|
||||
if (s->slice_coding_mode == 1) {
|
||||
for (x = 0; x < w; x++) {
|
||||
int i;
|
||||
int v = sample[0][x];
|
||||
for (i = bits-1; i>=0; i--) {
|
||||
uint8_t state = 128;
|
||||
put_rac(c, &state, (v>>i) & 1);
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
for (x = 0; x < w; x++) {
|
||||
int diff, context;
|
||||
|
||||
context = RENAME(get_context)(p, sample[0] + x, sample[1] + x, sample[2] + x);
|
||||
diff = sample[0][x] - RENAME(predict)(sample[0] + x, sample[1] + x);
|
||||
|
||||
if (context < 0) {
|
||||
context = -context;
|
||||
diff = -diff;
|
||||
}
|
||||
|
||||
diff = fold(diff, bits);
|
||||
|
||||
if (s->ac != AC_GOLOMB_RICE) {
|
||||
if (s->flags & AV_CODEC_FLAG_PASS1) {
|
||||
put_symbol_inline(c, p->state[context], diff, 1, s->rc_stat,
|
||||
s->rc_stat2[p->quant_table_index][context]);
|
||||
} else {
|
||||
put_symbol_inline(c, p->state[context], diff, 1, NULL, NULL);
|
||||
}
|
||||
} else {
|
||||
if (context == 0)
|
||||
run_mode = 1;
|
||||
|
||||
if (run_mode) {
|
||||
if (diff) {
|
||||
while (run_count >= 1 << ff_log2_run[run_index]) {
|
||||
run_count -= 1 << ff_log2_run[run_index];
|
||||
run_index++;
|
||||
put_bits(&s->pb, 1, 1);
|
||||
}
|
||||
|
||||
put_bits(&s->pb, 1 + ff_log2_run[run_index], run_count);
|
||||
if (run_index)
|
||||
run_index--;
|
||||
run_count = 0;
|
||||
run_mode = 0;
|
||||
if (diff > 0)
|
||||
diff--;
|
||||
} else {
|
||||
run_count++;
|
||||
}
|
||||
}
|
||||
|
||||
ff_dlog(s->avctx, "count:%d index:%d, mode:%d, x:%d pos:%d\n",
|
||||
run_count, run_index, run_mode, x,
|
||||
(int)put_bits_count(&s->pb));
|
||||
|
||||
if (run_mode == 0)
|
||||
put_vlc_symbol(&s->pb, &p->vlc_state[context], diff, bits);
|
||||
}
|
||||
}
|
||||
if (run_mode) {
|
||||
while (run_count >= 1 << ff_log2_run[run_index]) {
|
||||
run_count -= 1 << ff_log2_run[run_index];
|
||||
run_index++;
|
||||
put_bits(&s->pb, 1, 1);
|
||||
}
|
||||
|
||||
if (run_count)
|
||||
put_bits(&s->pb, 1, 1);
|
||||
}
|
||||
s->run_index = run_index;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int RENAME(encode_rgb_frame)(FFV1Context *s, const uint8_t *src[3],
|
||||
int w, int h, const int stride[3])
|
||||
{
|
||||
int x, y, p, i;
|
||||
const int ring_size = s->context_model ? 3 : 2;
|
||||
TYPE *sample[4][3];
|
||||
int lbd = s->bits_per_raw_sample <= 8;
|
||||
int bits = s->bits_per_raw_sample > 0 ? s->bits_per_raw_sample : 8;
|
||||
int offset = 1 << bits;
|
||||
|
||||
s->run_index = 0;
|
||||
|
||||
memset(RENAME(s->sample_buffer), 0, ring_size * MAX_PLANES *
|
||||
(w + 6) * sizeof(*RENAME(s->sample_buffer)));
|
||||
|
||||
for (y = 0; y < h; y++) {
|
||||
for (i = 0; i < ring_size; i++)
|
||||
for (p = 0; p < MAX_PLANES; p++)
|
||||
sample[p][i]= RENAME(s->sample_buffer) + p*ring_size*(w+6) + ((h+i-y)%ring_size)*(w+6) + 3;
|
||||
|
||||
for (x = 0; x < w; x++) {
|
||||
int b, g, r, av_uninit(a);
|
||||
if (lbd) {
|
||||
unsigned v = *((const uint32_t*)(src[0] + x*4 + stride[0]*y));
|
||||
b = v & 0xFF;
|
||||
g = (v >> 8) & 0xFF;
|
||||
r = (v >> 16) & 0xFF;
|
||||
a = v >> 24;
|
||||
} else {
|
||||
b = *((const uint16_t *)(src[0] + x*2 + stride[0]*y));
|
||||
g = *((const uint16_t *)(src[1] + x*2 + stride[1]*y));
|
||||
r = *((const uint16_t *)(src[2] + x*2 + stride[2]*y));
|
||||
}
|
||||
|
||||
if (s->slice_coding_mode != 1) {
|
||||
b -= g;
|
||||
r -= g;
|
||||
g += (b * s->slice_rct_by_coef + r * s->slice_rct_ry_coef) >> 2;
|
||||
b += offset;
|
||||
r += offset;
|
||||
}
|
||||
|
||||
sample[0][0][x] = g;
|
||||
sample[1][0][x] = b;
|
||||
sample[2][0][x] = r;
|
||||
sample[3][0][x] = a;
|
||||
}
|
||||
for (p = 0; p < 3 + s->transparency; p++) {
|
||||
int ret;
|
||||
sample[p][0][-1] = sample[p][1][0 ];
|
||||
sample[p][1][ w] = sample[p][1][w-1];
|
||||
if (lbd && s->slice_coding_mode == 0)
|
||||
ret = RENAME(encode_line)(s, w, sample[p], (p + 1) / 2, 9);
|
||||
else
|
||||
ret = RENAME(encode_line)(s, w, sample[p], (p + 1) / 2, bits + (s->slice_coding_mode != 1));
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue