[FFmpeg-devel] [PATCH v2 16/69] avcodec/h263.h: Move encoder-only stuff to a new header h263enc.h
Andreas Rheinhardt
andreas.rheinhardt at outlook.com
Tue Feb 1 15:06:13 EET 2022
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
---
libavcodec/h263.h | 101 ----------------------------
libavcodec/h263enc.h | 130 +++++++++++++++++++++++++++++++++++++
libavcodec/ituh263enc.c | 1 +
libavcodec/mpeg4videodec.c | 1 +
libavcodec/mpeg4videoenc.c | 1 +
libavcodec/mpegvideo_enc.c | 1 +
libavcodec/msmpeg4dec.c | 1 +
libavcodec/msmpeg4enc.c | 1 +
libavcodec/rv20enc.c | 2 +-
libavcodec/snowenc.c | 2 +-
libavcodec/svq1enc.c | 1 +
11 files changed, 139 insertions(+), 103 deletions(-)
create mode 100644 libavcodec/h263enc.h
diff --git a/libavcodec/h263.h b/libavcodec/h263.h
index 6dd5d2295a..27a5f31c59 100644
--- a/libavcodec/h263.h
+++ b/libavcodec/h263.h
@@ -20,119 +20,18 @@
#ifndef AVCODEC_H263_H
#define AVCODEC_H263_H
-#include <stdint.h>
#include "libavutil/rational.h"
#include "mpegvideo.h"
-#include "h263data.h"
#define FF_ASPECT_EXTENDED 15
#define H263_GOB_HEIGHT(h) ((h) <= 400 ? 1 : (h) <= 800 ? 2 : 4)
av_const int ff_h263_aspect_to_info(AVRational aspect);
-void ff_h263_encode_mb(MpegEncContext *s,
- int16_t block[6][64],
- int motion_x, int motion_y);
-void ff_h263_encode_picture_header(MpegEncContext *s, int picture_number);
-void ff_h263_encode_gob_header(MpegEncContext * s, int mb_line);
int16_t *ff_h263_pred_motion(MpegEncContext * s, int block, int dir,
int *px, int *py);
-void ff_h263_encode_init(MpegEncContext *s);
void ff_h263_init_rl_inter(void);
void ff_h263_update_motion_val(MpegEncContext * s);
void ff_h263_loop_filter(MpegEncContext * s);
-void ff_h263_encode_mba(MpegEncContext *s);
-void ff_init_qscale_tab(MpegEncContext *s);
-
-
-void ff_clean_h263_qscales(MpegEncContext *s);
-void ff_h263_encode_motion(PutBitContext *pb, int val, int f_code);
-
-
-static inline int h263_get_motion_length(int val, int f_code){
- int bit_size, code, sign;
-
- if (val == 0) {
- return 1; /* ff_mvtab[0][1] */
- } else {
- bit_size = f_code - 1;
- /* modulo encoding */
- val = sign_extend(val, 6 + bit_size);
- sign = val >> 31;
- val = (val ^ sign) - sign; /* val = FFABS(val) */
- val--;
- code = (val >> bit_size) + 1;
-
- return ff_mvtab[code][1] + 1 + bit_size;
- }
-}
-
-static inline void ff_h263_encode_motion_vector(MpegEncContext * s, int x, int y, int f_code){
- if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT) {
- skip_put_bits(&s->pb,
- h263_get_motion_length(x, f_code)
- +h263_get_motion_length(y, f_code));
- }else{
- ff_h263_encode_motion(&s->pb, x, f_code);
- ff_h263_encode_motion(&s->pb, y, f_code);
- }
-}
-
-static inline int get_p_cbp(MpegEncContext * s,
- int16_t block[6][64],
- int motion_x, int motion_y){
- int cbp, i;
-
- if (s->mpv_flags & FF_MPV_FLAG_CBP_RD) {
- int best_cbpy_score= INT_MAX;
- int best_cbpc_score= INT_MAX;
- int cbpc = (-1), cbpy= (-1);
- const int offset= (s->mv_type==MV_TYPE_16X16 ? 0 : 16) + (s->dquant ? 8 : 0);
- const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6);
-
- for(i=0; i<4; i++){
- int score= ff_h263_inter_MCBPC_bits[i + offset] * lambda;
- if(i&1) score += s->coded_score[5];
- if(i&2) score += s->coded_score[4];
-
- if(score < best_cbpc_score){
- best_cbpc_score= score;
- cbpc= i;
- }
- }
-
- for(i=0; i<16; i++){
- int score= ff_h263_cbpy_tab[i ^ 0xF][1] * lambda;
- if(i&1) score += s->coded_score[3];
- if(i&2) score += s->coded_score[2];
- if(i&4) score += s->coded_score[1];
- if(i&8) score += s->coded_score[0];
-
- if(score < best_cbpy_score){
- best_cbpy_score= score;
- cbpy= i;
- }
- }
- cbp= cbpc + 4*cbpy;
- if ((motion_x | motion_y | s->dquant) == 0 && s->mv_type==MV_TYPE_16X16){
- if(best_cbpy_score + best_cbpc_score + 2*lambda >= 0)
- cbp= 0;
- }
-
- for (i = 0; i < 6; i++) {
- if (s->block_last_index[i] >= 0 && ((cbp >> (5 - i))&1)==0 ){
- s->block_last_index[i]= -1;
- s->bdsp.clear_block(s->block[i]);
- }
- }
- }else{
- cbp= 0;
- for (i = 0; i < 6; i++) {
- if (s->block_last_index[i] >= 0)
- cbp |= 1 << (5 - i);
- }
- }
- return cbp;
-}
#endif /* AVCODEC_H263_H */
diff --git a/libavcodec/h263enc.h b/libavcodec/h263enc.h
new file mode 100644
index 0000000000..31f00665ce
--- /dev/null
+++ b/libavcodec/h263enc.h
@@ -0,0 +1,130 @@
+/*
+ * H.263 encoder header
+ *
+ * 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
+ */
+#ifndef AVCODEC_H263ENC_H
+#define AVCODEC_H263ENC_H
+
+#include <stdint.h>
+#include "h263data.h"
+#include "mpegvideo.h"
+
+void ff_h263_encode_init(MpegEncContext *s);
+void ff_h263_encode_picture_header(MpegEncContext *s, int picture_number);
+void ff_h263_encode_gob_header(MpegEncContext * s, int mb_line);
+void ff_h263_encode_mb(MpegEncContext *s,
+ int16_t block[6][64],
+ int motion_x, int motion_y);
+void ff_h263_encode_mba(MpegEncContext *s);
+
+void ff_init_qscale_tab(MpegEncContext *s);
+void ff_clean_h263_qscales(MpegEncContext *s);
+
+void ff_h263_encode_motion(PutBitContext *pb, int val, int f_code);
+
+
+static inline int h263_get_motion_length(int val, int f_code)
+{
+ int bit_size, code, sign;
+
+ if (val == 0) {
+ return 1; /* ff_mvtab[0][1] */
+ } else {
+ bit_size = f_code - 1;
+ /* modulo encoding */
+ val = sign_extend(val, 6 + bit_size);
+ sign = val >> 31;
+ val = (val ^ sign) - sign; /* val = FFABS(val) */
+ val--;
+ code = (val >> bit_size) + 1;
+
+ return ff_mvtab[code][1] + 1 + bit_size;
+ }
+}
+
+static inline void ff_h263_encode_motion_vector(MpegEncContext * s,
+ int x, int y, int f_code)
+{
+ if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT) {
+ skip_put_bits(&s->pb,
+ h263_get_motion_length(x, f_code) +
+ h263_get_motion_length(y, f_code));
+ } else {
+ ff_h263_encode_motion(&s->pb, x, f_code);
+ ff_h263_encode_motion(&s->pb, y, f_code);
+ }
+}
+
+static inline int get_p_cbp(MpegEncContext * s,
+ int16_t block[6][64],
+ int motion_x, int motion_y){
+ int cbp;
+
+ if (s->mpv_flags & FF_MPV_FLAG_CBP_RD) {
+ int best_cbpy_score = INT_MAX;
+ int best_cbpc_score = INT_MAX;
+ int cbpc = (-1), cbpy = (-1);
+ const int offset = (s->mv_type == MV_TYPE_16X16 ? 0 : 16) + (s->dquant ? 8 : 0);
+ const int lambda = s->lambda2 >> (FF_LAMBDA_SHIFT - 6);
+
+ for (int i = 0; i < 4; i++) {
+ int score = ff_h263_inter_MCBPC_bits[i + offset] * lambda;
+ if (i & 1) score += s->coded_score[5];
+ if (i & 2) score += s->coded_score[4];
+
+ if (score < best_cbpc_score) {
+ best_cbpc_score = score;
+ cbpc = i;
+ }
+ }
+
+ for (int i = 0; i < 16; i++) {
+ int score= ff_h263_cbpy_tab[i ^ 0xF][1] * lambda;
+ if (i & 1) score += s->coded_score[3];
+ if (i & 2) score += s->coded_score[2];
+ if (i & 4) score += s->coded_score[1];
+ if (i & 8) score += s->coded_score[0];
+
+ if (score < best_cbpy_score) {
+ best_cbpy_score = score;
+ cbpy = i;
+ }
+ }
+ cbp = cbpc + 4 * cbpy;
+ if (!(motion_x | motion_y | s->dquant) && s->mv_type == MV_TYPE_16X16) {
+ if (best_cbpy_score + best_cbpc_score + 2 * lambda >= 0)
+ cbp= 0;
+ }
+
+ for (int i = 0; i < 6; i++) {
+ if (s->block_last_index[i] >= 0 && !((cbp >> (5 - i)) & 1)) {
+ s->block_last_index[i] = -1;
+ s->bdsp.clear_block(s->block[i]);
+ }
+ }
+ } else {
+ cbp = 0;
+ for (int i = 0; i < 6; i++) {
+ if (s->block_last_index[i] >= 0)
+ cbp |= 1 << (5 - i);
+ }
+ }
+ return cbp;
+}
+
+#endif
diff --git a/libavcodec/ituh263enc.c b/libavcodec/ituh263enc.c
index 9253d60a16..70ac1f643b 100644
--- a/libavcodec/ituh263enc.c
+++ b/libavcodec/ituh263enc.c
@@ -35,6 +35,7 @@
#include "mpegvideo.h"
#include "mpegvideodata.h"
#include "h263.h"
+#include "h263enc.h"
#include "h263data.h"
#include "mathops.h"
#include "mpegutils.h"
diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c
index 2aea845580..c0eaa00eba 100644
--- a/libavcodec/mpeg4videodec.c
+++ b/libavcodec/mpeg4videodec.c
@@ -36,6 +36,7 @@
#include "mpeg4video.h"
#include "mpeg4videodata.h"
#include "h263.h"
+#include "h263data.h"
#include "h263dec.h"
#include "profiles.h"
#include "thread.h"
diff --git a/libavcodec/mpeg4videoenc.c b/libavcodec/mpeg4videoenc.c
index 27e16c3b72..8a1a6cbcc8 100644
--- a/libavcodec/mpeg4videoenc.c
+++ b/libavcodec/mpeg4videoenc.c
@@ -27,6 +27,7 @@
#include "mpegutils.h"
#include "mpegvideo.h"
#include "h263.h"
+#include "h263enc.h"
#include "mpeg4video.h"
#include "mpeg4videodata.h"
#include "profiles.h"
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index 0dde4edc73..a57de01944 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -51,6 +51,7 @@
#include "h261enc.h"
#include "h263.h"
#include "h263data.h"
+#include "h263enc.h"
#include "mjpegenc_common.h"
#include "mathops.h"
#include "mpegutils.h"
diff --git a/libavcodec/msmpeg4dec.c b/libavcodec/msmpeg4dec.c
index a7870f252f..08abece9ec 100644
--- a/libavcodec/msmpeg4dec.c
+++ b/libavcodec/msmpeg4dec.c
@@ -30,6 +30,7 @@
#include "msmpeg4dec.h"
#include "libavutil/imgutils.h"
#include "h263.h"
+#include "h263data.h"
#include "h263dec.h"
#include "mpeg4video.h"
#include "msmpeg4data.h"
diff --git a/libavcodec/msmpeg4enc.c b/libavcodec/msmpeg4enc.c
index c436f78f9d..16e19083da 100644
--- a/libavcodec/msmpeg4enc.c
+++ b/libavcodec/msmpeg4enc.c
@@ -35,6 +35,7 @@
#include "libavutil/thread.h"
#include "mpegvideo.h"
#include "h263.h"
+#include "h263enc.h"
#include "internal.h"
#include "mpeg4video.h"
#include "msmpeg4.h"
diff --git a/libavcodec/rv20enc.c b/libavcodec/rv20enc.c
index 19b6aab278..204cd03a24 100644
--- a/libavcodec/rv20enc.c
+++ b/libavcodec/rv20enc.c
@@ -27,8 +27,8 @@
#include "mpegvideo.h"
#include "mpegvideodata.h"
-#include "h263.h"
#include "h263data.h"
+#include "h263enc.h"
#include "put_bits.h"
#include "rv10.h"
diff --git a/libavcodec/snowenc.c b/libavcodec/snowenc.c
index df31eb8132..e169ae601d 100644
--- a/libavcodec/snowenc.c
+++ b/libavcodec/snowenc.c
@@ -34,7 +34,7 @@
#include "mathops.h"
#include "mpegvideo.h"
-#include "h263.h"
+#include "h263enc.h"
static av_cold int encode_init(AVCodecContext *avctx)
{
diff --git a/libavcodec/svq1enc.c b/libavcodec/svq1enc.c
index 11cbd97185..9cef3d8ef6 100644
--- a/libavcodec/svq1enc.c
+++ b/libavcodec/svq1enc.c
@@ -32,6 +32,7 @@
#include "me_cmp.h"
#include "mpegvideo.h"
#include "h263.h"
+#include "h263enc.h"
#include "internal.h"
#include "mpegutils.h"
#include "packet_internal.h"
--
2.32.0
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