[FFmpeg-devel] [PATCH 04/35] avcodec/proresenc_anatoliy: move run/lev to codebook LUT to shared proresdata

Clément Bœsch u at pkh.me
Mon Dec 11 03:35:05 EET 2023


This is going to be shared with proresenc_kostya in the upcoming commit.
---
 libavcodec/proresdata.c         | 6 ++++++
 libavcodec/proresdata.h         | 2 ++
 libavcodec/proresenc_anatoliy.c | 9 ++-------
 3 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/libavcodec/proresdata.c b/libavcodec/proresdata.c
index 4787907c71..12ee43bddd 100644
--- a/libavcodec/proresdata.c
+++ b/libavcodec/proresdata.c
@@ -43,3 +43,9 @@ const uint8_t ff_prores_interlaced_scan[64] = {
     30, 23, 31, 38, 45, 52, 60, 53,
     46, 39, 47, 54, 61, 62, 55, 63
 };
+
+const uint8_t ff_prores_run_to_cb[16] = { 0x06, 0x06, 0x05, 0x05, 0x04, 0x29,
+        0x29, 0x29, 0x29, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x4C };
+
+const uint8_t ff_prores_lev_to_cb[10] = { 0x04, 0x0A, 0x05, 0x06, 0x04, 0x28,
+        0x28, 0x28, 0x28, 0x4C };
diff --git a/libavcodec/proresdata.h b/libavcodec/proresdata.h
index d8c8786689..4d16992892 100644
--- a/libavcodec/proresdata.h
+++ b/libavcodec/proresdata.h
@@ -29,6 +29,8 @@
 
 extern const uint8_t ff_prores_progressive_scan[64];
 extern const uint8_t ff_prores_interlaced_scan[64];
+extern const uint8_t ff_prores_run_to_cb[16];
+extern const uint8_t ff_prores_lev_to_cb[10];
 
 #define FIRST_DC_CB 0xB8 // rice_order = 5, exp_golomb_order = 6, switch_bits = 0
 
diff --git a/libavcodec/proresenc_anatoliy.c b/libavcodec/proresenc_anatoliy.c
index e7114f1646..6b2e513bed 100644
--- a/libavcodec/proresenc_anatoliy.c
+++ b/libavcodec/proresenc_anatoliy.c
@@ -296,11 +296,6 @@ static void encode_dc_coeffs(PutBitContext *pb, int16_t *in,
     }
 }
 
-static const uint8_t run_to_cb[16] = { 0x06, 0x06, 0x05, 0x05, 0x04, 0x29,
-        0x29, 0x29, 0x29, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x4C };
-static const uint8_t lev_to_cb[10] = { 0x04, 0x0A, 0x05, 0x06, 0x04, 0x28,
-        0x28, 0x28, 0x28, 0x4C };
-
 static void encode_ac_coeffs(PutBitContext *pb,
         int16_t *in, int blocks_per_slice, int *qmat, const uint8_t ff_prores_scan[64])
 {
@@ -313,14 +308,14 @@ static void encode_ac_coeffs(PutBitContext *pb,
         for (j = 0; j < blocks_per_slice; j++) {
             int val = QSCALE(qmat, indp, in[(j << 6) + indp]);
             if (val) {
-                encode_codeword(pb, run, run_to_cb[FFMIN(prev_run, 15)]);
+                encode_codeword(pb, run, ff_prores_run_to_cb[FFMIN(prev_run, 15)]);
 
                 prev_run   = run;
                 run        = 0;
                 level      = get_level(val);
                 code       = level - 1;
 
-                encode_codeword(pb, code, lev_to_cb[FFMIN(prev_level, 9)]);
+                encode_codeword(pb, code, ff_prores_lev_to_cb[FFMIN(prev_level, 9)]);
 
                 prev_level = level;
 
-- 
2.43.0



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