[FFmpeg-devel] [PATCH v2 1/3] lavc/decode: Warp get_hw_config function

[Fei Wang <fei.w.wang-at-intel.com@ffmpeg.org>]

From: Linjie Fu <linjie.fu@intel.com>

Wrap the procedure of getting the hardware config from a pixel format
into a function.

Signed-off-by: Linjie Fu <linjie.fu@intel.com>
Signed-off-by: Fei Wang <fei.w.wang@intel.com>
---
 libavcodec/decode.c | 31 +++++++++++++++++++------------
 1 file changed, 19 insertions(+), 12 deletions(-)

diff --git a/libavcodec/decode.c b/libavcodec/decode.c
index 75373989c6..3b69426c09 100644
--- a/libavcodec/decode.c
+++ b/libavcodec/decode.c
@@ -1156,6 +1156,24 @@ static void hwaccel_uninit(AVCodecContext *avctx)
     av_buffer_unref(&avctx->hw_frames_ctx);
 }
 
+static const AVCodecHWConfigInternal *get_hw_config(AVCodecContext *avctx, enum AVPixelFormat fmt)
+{
+    const AVCodecHWConfigInternal *hw_config;
+
+    if (!ffcodec(avctx->codec)->hw_configs)
+        return NULL;
+
+    for (int i = 0;; i++) {
+        hw_config = ffcodec(avctx->codec)->hw_configs[i];
+        if (!hw_config)
+            return NULL;
+        if (hw_config->public.pix_fmt == fmt)
+            return hw_config;
+    }
+
+    return NULL;
+}
+
 int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
 {
     const AVPixFmtDescriptor *desc;
@@ -1213,18 +1231,7 @@ int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
             break;
         }
 
-        if (ffcodec(avctx->codec)->hw_configs) {
-            for (i = 0;; i++) {
-                hw_config = ffcodec(avctx->codec)->hw_configs[i];
-                if (!hw_config)
-                    break;
-                if (hw_config->public.pix_fmt == user_choice)
-                    break;
-            }
-        } else {
-            hw_config = NULL;
-        }
-
+        hw_config = get_hw_config(avctx, user_choice);
         if (!hw_config) {
             // No config available, so no extra setup required.
             ret = user_choice;
-- 
2.25.1

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