[FFmpeg-cvslog] avcodec/ituh263enc: Move MPEG-4 fcode_tab to mpeg4videoenc.c
Andreas Rheinhardt
git at videolan.org
Fri Mar 7 16:21:28 EET 2025
ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Mon Mar 3 21:04:49 2025 +0100| [94f364289b893e660ea2a7e3259db882d54ac508] | committer: Andreas Rheinhardt
avcodec/ituh263enc: Move MPEG-4 fcode_tab to mpeg4videoenc.c
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=94f364289b893e660ea2a7e3259db882d54ac508
---
libavcodec/ituh263enc.c | 12 ------------
libavcodec/mpeg4videoenc.c | 11 +++++++++++
2 files changed, 11 insertions(+), 12 deletions(-)
diff --git a/libavcodec/ituh263enc.c b/libavcodec/ituh263enc.c
index 1ef4a8f88e..2152046b43 100644
--- a/libavcodec/ituh263enc.c
+++ b/libavcodec/ituh263enc.c
@@ -52,11 +52,6 @@
*/
static uint8_t mv_penalty[MAX_FCODE+1][MAX_DMV*2+1];
-/**
- * Minimal fcode that a motion vector component would need.
- */
-static uint8_t fcode_tab[MAX_MV*2+1];
-
/**
* Minimal fcode that a motion vector component would need in umv.
* All entries in this table are 1.
@@ -762,12 +757,6 @@ static av_cold void init_mv_penalty_and_fcode(void)
}
}
- for(f_code=MAX_FCODE; f_code>0; f_code--){
- for(mv=-(16<<f_code); mv<(16<<f_code); mv++){
- fcode_tab[mv+MAX_MV]= f_code;
- }
- }
-
for(mv=0; mv<MAX_MV*2+1; mv++){
umv_fcode_tab[mv]= 1;
}
@@ -844,7 +833,6 @@ av_cold void ff_h263_encode_init(MpegEncContext *s)
// use fcodes >1 only for MPEG-4 & H.263 & H.263+ FIXME
switch(s->codec_id){
case AV_CODEC_ID_MPEG4:
- s->fcode_tab= fcode_tab;
break;
case AV_CODEC_ID_H263P:
if(s->umvplus)
diff --git a/libavcodec/mpeg4videoenc.c b/libavcodec/mpeg4videoenc.c
index 0b31576dc5..64fb96a0cf 100644
--- a/libavcodec/mpeg4videoenc.c
+++ b/libavcodec/mpeg4videoenc.c
@@ -37,6 +37,11 @@
#include "profiles.h"
#include "version.h"
+/**
+ * Minimal fcode that a motion vector component would need.
+ */
+static uint8_t fcode_tab[MAX_MV*2+1];
+
/* The uni_DCtab_* tables below contain unified bits+length tables to encode DC
* differences in MPEG-4. Unified in the sense that the specification specifies
* this encoding in several steps. */
@@ -1255,6 +1260,11 @@ static av_cold void mpeg4_encode_init_static(void)
init_uni_mpeg4_rl_tab(&ff_mpeg4_rl_intra, uni_mpeg4_intra_rl_bits, uni_mpeg4_intra_rl_len);
init_uni_mpeg4_rl_tab(&ff_h263_rl_inter, uni_mpeg4_inter_rl_bits, uni_mpeg4_inter_rl_len);
+
+ for (int f_code = MAX_FCODE; f_code > 0; f_code--) {
+ for (int mv = -(16 << f_code); mv < (16 << f_code); mv++)
+ fcode_tab[mv + MAX_MV] = f_code;
+ }
}
static av_cold int encode_init(AVCodecContext *avctx)
@@ -1274,6 +1284,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
ff_thread_once(&init_static_once, mpeg4_encode_init_static);
+ s->fcode_tab = fcode_tab;
s->min_qcoeff = -2048;
s->max_qcoeff = 2047;
s->intra_ac_vlc_length = uni_mpeg4_intra_rl_len;
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