[FFmpeg-devel] [PATCH 1/3] libavcodec: v4l2m2m: fix indentation and add M2MDEC_CLASS

Lukas Rusak lorusak at gmail.com
Tue May 8 21:24:04 EEST 2018


This is just some formatting that is taken from the rkmpp decoder. I find that
this make is more readable.

---
 libavcodec/v4l2_m2m_dec.c | 44 ++++++++++++++++++++-------------------
 1 file changed, 23 insertions(+), 21 deletions(-)

diff --git a/libavcodec/v4l2_m2m_dec.c b/libavcodec/v4l2_m2m_dec.c
index bca45be148..ed5193ecc1 100644
--- a/libavcodec/v4l2_m2m_dec.c
+++ b/libavcodec/v4l2_m2m_dec.c
@@ -202,28 +202,30 @@ static const AVOption options[] = {
     { NULL},
 };
 
+#define M2MDEC_CLASS(NAME) \
+    static const AVClass v4l2_m2m_ ## NAME ## _dec_class = { \
+        .class_name = #NAME "_v4l2_m2m_decoder", \
+        .item_name  = av_default_item_name, \
+        .option     = options, \
+        .version    = LIBAVUTIL_VERSION_INT, \
+    };
+
 #define M2MDEC(NAME, LONGNAME, CODEC, bsf_name) \
-static const AVClass v4l2_m2m_ ## NAME ## _dec_class = {\
-    .class_name = #NAME "_v4l2_m2m_decoder",\
-    .item_name  = av_default_item_name,\
-    .option     = options,\
-    .version    = LIBAVUTIL_VERSION_INT,\
-};\
-\
-AVCodec ff_ ## NAME ## _v4l2m2m_decoder = { \
-    .name           = #NAME "_v4l2m2m" ,\
-    .long_name      = NULL_IF_CONFIG_SMALL("V4L2 mem2mem " LONGNAME " decoder wrapper"),\
-    .type           = AVMEDIA_TYPE_VIDEO,\
-    .id             = CODEC ,\
-    .priv_data_size = sizeof(V4L2m2mPriv),\
-    .priv_class     = &v4l2_m2m_ ## NAME ## _dec_class,\
-    .init           = v4l2_decode_init,\
-    .receive_frame  = v4l2_receive_frame,\
-    .close          = ff_v4l2_m2m_codec_end,\
-    .bsfs           = bsf_name, \
-    .capabilities   = AV_CODEC_CAP_HARDWARE | AV_CODEC_CAP_DELAY, \
-    .wrapper_name   = "v4l2m2m", \
-};
+    M2MDEC_CLASS(NAME) \
+    AVCodec ff_ ## NAME ## _v4l2m2m_decoder = { \
+        .name           = #NAME "_v4l2m2m" , \
+        .long_name      = NULL_IF_CONFIG_SMALL("V4L2 mem2mem " LONGNAME " decoder wrapper"), \
+        .type           = AVMEDIA_TYPE_VIDEO, \
+        .id             = CODEC , \
+        .priv_data_size = sizeof(V4L2m2mPriv), \
+        .priv_class     = &v4l2_m2m_ ## NAME ## _dec_class, \
+        .init           = v4l2_decode_init, \
+        .receive_frame  = v4l2_receive_frame, \
+        .close          = ff_v4l2_m2m_codec_end, \
+        .bsfs           = bsf_name, \
+        .capabilities   = AV_CODEC_CAP_HARDWARE | AV_CODEC_CAP_DELAY, \
+        .wrapper_name   = "v4l2m2m", \
+    };
 
 M2MDEC(h264,  "H.264", AV_CODEC_ID_H264,       "h264_mp4toannexb");
 M2MDEC(hevc,  "HEVC",  AV_CODEC_ID_HEVC,       "hevc_mp4toannexb");
-- 
2.17.0



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