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From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
To: ffmpeg-devel@ffmpeg.org
Cc: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Subject: [FFmpeg-devel] [PATCH 6/6] avcodec/huffyuvenc: Avoid code duplication
Date: Thu,  4 Apr 2024 07:02:50 +0200
Message-ID: <GV1P250MB07377EA49F11961B4A38F4018F3C2@GV1P250MB0737.EURP250.PROD.OUTLOOK.COM> (raw)
In-Reply-To: <GV1P250MB07373EAE6095C91504AB56B98F3C2@GV1P250MB0737.EURP250.PROD.OUTLOOK.COM>

This also fixes misindentated code.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
 libavcodec/huffyuvenc.c | 146 ++++++++++++----------------------------
 1 file changed, 43 insertions(+), 103 deletions(-)

diff --git a/libavcodec/huffyuvenc.c b/libavcodec/huffyuvenc.c
index fd6b01de81..d822793406 100644
--- a/libavcodec/huffyuvenc.c
+++ b/libavcodec/huffyuvenc.c
@@ -499,7 +499,7 @@ static int encode_422_bitstream(HYuvEncContext *s, int offset, int count)
 
 static int encode_plane_bitstream(HYuvEncContext *s, int width, int plane)
 {
-    int i, count = width/2;
+    int count = width/2;
 
     if (put_bytes_left(&s->pb, 0) < count * s->bps / 2) {
         av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
@@ -546,112 +546,52 @@ static int encode_plane_bitstream(HYuvEncContext *s, int width, int plane)
             put_bits(&s->pb, s->len[plane][y1>>2], s->bits[plane][y1>>2]);\
             put_bits(&s->pb, 2, y1&3);
 
-    if (s->bps <= 8) {
-    if (s->flags & AV_CODEC_FLAG_PASS1) {
-        for (i = 0; i < count; i++) {
-            LOAD2;
-            STAT2;
-        }
-        if (width&1) {
-            LOADEND;
-            STATEND;
-        }
-    }
-    if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
-        return 0;
+#define ENCODE_PLANE(LOAD, LOADEND, WRITE, WRITEEND, STAT, STATEND)   \
+do {                                                                  \
+    if (s->flags & AV_CODEC_FLAG_PASS1) {                             \
+        for (int i = 0; i < count; i++) {                             \
+            LOAD;                                                     \
+            STAT;                                                     \
+        }                                                             \
+        if (width & 1) {                                              \
+            LOADEND;                                                  \
+            STATEND;                                                  \
+        }                                                             \
+    }                                                                 \
+    if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)                  \
+        return 0;                                                     \
+                                                                      \
+    if (s->context) {                                                 \
+        for (int i = 0; i < count; i++) {                             \
+            LOAD;                                                     \
+            STAT;                                                     \
+            WRITE;                                                    \
+        }                                                             \
+        if (width & 1) {                                              \
+            LOADEND;                                                  \
+            STATEND;                                                  \
+            WRITEEND;                                                 \
+        }                                                             \
+    } else {                                                          \
+        for (int i = 0; i < count; i++) {                             \
+            LOAD;                                                     \
+            WRITE;                                                    \
+        }                                                             \
+        if (width & 1) {                                              \
+            LOADEND;                                                  \
+            WRITEEND;                                                 \
+        }                                                             \
+    }                                                                 \
+} while (0)
 
-    if (s->context) {
-        for (i = 0; i < count; i++) {
-            LOAD2;
-            STAT2;
-            WRITE2;
-        }
-        if (width&1) {
-            LOADEND;
-            STATEND;
-            WRITEEND;
-        }
-    } else {
-        for (i = 0; i < count; i++) {
-            LOAD2;
-            WRITE2;
-        }
-        if (width&1) {
-            LOADEND;
-            WRITEEND;
-        }
-    }
+    if (s->bps <= 8) {
+        ENCODE_PLANE(LOAD2, LOADEND, WRITE2, WRITEEND, STAT2, STATEND);
     } else if (s->bps <= 14) {
         int mask = s->n - 1;
-        if (s->flags & AV_CODEC_FLAG_PASS1) {
-            for (i = 0; i < count; i++) {
-                LOAD2_14;
-                STAT2;
-            }
-            if (width&1) {
-                LOADEND_14;
-                STATEND;
-            }
-        }
-        if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
-            return 0;
-
-        if (s->context) {
-            for (i = 0; i < count; i++) {
-                LOAD2_14;
-                STAT2;
-                WRITE2;
-            }
-            if (width&1) {
-                LOADEND_14;
-                STATEND;
-                WRITEEND;
-            }
-        } else {
-            for (i = 0; i < count; i++) {
-                LOAD2_14;
-                WRITE2;
-            }
-            if (width&1) {
-                LOADEND_14;
-                WRITEEND;
-            }
-        }
+
+        ENCODE_PLANE(LOAD2_14, LOADEND_14, WRITE2, WRITEEND, STAT2, STATEND);
     } else {
-        if (s->flags & AV_CODEC_FLAG_PASS1) {
-            for (i = 0; i < count; i++) {
-                LOAD2_16;
-                STAT2_16;
-            }
-            if (width&1) {
-                LOADEND_16;
-                STATEND_16;
-            }
-        }
-        if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT)
-            return 0;
-
-        if (s->context) {
-            for (i = 0; i < count; i++) {
-                LOAD2_16;
-                STAT2_16;
-                WRITE2_16;
-            }
-            if (width&1) {
-                LOADEND_16;
-                STATEND_16;
-                WRITEEND_16;
-            }
-        } else {
-            for (i = 0; i < count; i++) {
-                LOAD2_16;
-                WRITE2_16;
-            }
-            if (width&1) {
-                LOADEND_16;
-                WRITEEND_16;
-            }
-        }
+        ENCODE_PLANE(LOAD2_16, LOADEND_16, WRITE2_16, WRITEEND_16, STAT2_16, STATEND_16);
     }
 #undef LOAD2
 #undef STAT2
-- 
2.40.1

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  parent reply	other threads:[~2024-04-04  5:03 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-04  4:59 [FFmpeg-devel] [PATCH 1/6] avcodec/huffyuvdec: Don't zero unnecessarily Andreas Rheinhardt
2024-04-04  5:02 ` [FFmpeg-devel] [PATCH 2/6] avcodec/huffyuv: Inline common alloc/free functions in their callers Andreas Rheinhardt
2024-04-04  5:02 ` [FFmpeg-devel] [PATCH 3/6] avcodec/huffyuv(dec|enc): Use union for temp/temp16 Andreas Rheinhardt
2024-04-04  5:02 ` [FFmpeg-devel] [PATCH 4/6] avcodec/huffyuv: Return proper error code Andreas Rheinhardt
2024-04-04  5:02 ` [FFmpeg-devel] [PATCH 5/6] avcodec/huffyuvenc: Avoid duplicate variables Andreas Rheinhardt
2024-04-04  5:02 ` Andreas Rheinhardt [this message]
2024-04-04 17:52 ` [FFmpeg-devel] [PATCH 7/7] avcodec/huffyuvenc: Deduplicate options Andreas Rheinhardt
2024-04-04 19:30 ` [FFmpeg-devel] [PATCH 8/9] avcodec/huffyuvdec: Use assert to check for things that can't fail Andreas Rheinhardt
2024-04-04 19:30 ` [FFmpeg-devel] [PATCH 9/9] avcodec/dv: Don't pretend initializing work chunks can fail Andreas Rheinhardt
2024-04-04 19:33   ` Andreas Rheinhardt
2024-04-04 19:33 ` [FFmpeg-devel] [PATCH v2 8/9] avcodec/huffyuvdec: Use bytestream API for byte-aligned reads Andreas Rheinhardt
2024-04-04 19:33 ` [FFmpeg-devel] [PATCH v2 9/9] avcodec/huffyuvdec: Use assert to check for things that can't fail Andreas Rheinhardt
2024-04-05 22:23 ` [FFmpeg-devel] [PATCH 1/6] avcodec/huffyuvdec: Don't zero unnecessarily Andreas Rheinhardt

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