avformat: replace fall-through comments

libavformat/id3v2.c

@@ -27,6 +27,7 @@
  */
 
 #include "config.h"
+#include "libavutil/attributes.h"
 
 #if CONFIG_ZLIB
 #include <zlib.h>
@@ -293,7 +294,7 @@ static int decode_str(AVFormatContext *s, AVIOContext *pb, int encoding,
             *maxread = left;
             return AVERROR_INVALIDDATA;
         }
-        // fall-through
+        av_fallthrough;
 
     case ID3v2_ENCODING_UTF16BE:
         while ((left > 1) && ch) {

libavformat/img2dec.c

@@ -21,6 +21,7 @@
  */
 
 #include "config_components.h"
+#include "libavutil/attributes.h"
 
 #define _DEFAULT_SOURCE
 #define _BSD_SOURCE
@@ -769,11 +770,11 @@ static int jpeg_probe(const AVProbeData *p)
         case APP0:
             if (c == APP0 && AV_RL32(&b[i + 4]) == MKTAG('J','F','I','F'))
                 got_header = 1;
-            /* fallthrough */
+            av_fallthrough;
         case APP1:
             if (c == APP1 && AV_RL32(&b[i + 4]) == MKTAG('E','x','i','f'))
                 got_header = 1;
-            /* fallthrough */
+            av_fallthrough;
         case APP2:
         case APP3:
         case APP4:

libavformat/matroskadec.c

@@ -34,6 +34,7 @@
 #include <inttypes.h>
 #include <stdio.h>
 
+#include "libavutil/attributes.h"
 #include "libavutil/avstring.h"
 #include "libavutil/base64.h"
 #include "libavutil/bprint.h"
@@ -2517,7 +2518,7 @@ static int mkv_parse_block_addition_mappings(AVFormatContext *s, AVStream *st, M
                    "Explicit block Addition Mapping type \"Use BlockAddIDValue\", value %"PRIu64","
                    " name \"%s\" found.\n", mapping->value, mapping->name ? mapping->name : "");
             type = MATROSKA_BLOCK_ADD_ID_TYPE_OPAQUE;
-            // fall-through
+            av_fallthrough;
         case MATROSKA_BLOCK_ADD_ID_TYPE_OPAQUE:
         case MATROSKA_BLOCK_ADD_ID_TYPE_ITU_T_T35:
             if (mapping->value != type) {

libavformat/mm.c

@@ -31,6 +31,7 @@
  *  http://wiki.multimedia.cx/index.php?title=American_Laser_Games_MM
  */
 
+#include "libavutil/attributes.h"
 #include "libavutil/channel_layout.h"
 #include "libavutil/intreadwrite.h"
 #include "avformat.h"
@@ -190,7 +191,7 @@ static int read_packet(AVFormatContext *s,
 
         default :
             av_log(s, AV_LOG_INFO, "unknown chunk type 0x%x\n", type);
-            /* fallthrough */
+            av_fallthrough;
         case MM_TYPE_AUDIO2 :
             avio_skip(pb, length);
         }

libavformat/movenccenc.c

@@ -22,6 +22,7 @@
 #include "libavcodec/av1_parse.h"
 #include "libavcodec/bytestream.h"
 #include "libavcodec/cbs_av1.h"
+#include "libavutil/attributes.h"
 #include "libavutil/intreadwrite.h"
 #include "libavutil/mem.h"
 #include "avio_internal.h"
@@ -422,7 +423,7 @@ int ff_mov_cenc_av1_write_obus(AVFormatContext *s, MOVMuxCencContext* ctx,
                 fh_data_size = unit->data_size;
                 break;
             }
-        // fall-through
+            av_fallthrough;
         case AV1_OBU_SEQUENCE_HEADER:
         case AV1_OBU_METADATA:
             avio_write(pb, unit->data, unit->data_size);
@@ -433,7 +434,7 @@ int ff_mov_cenc_av1_write_obus(AVFormatContext *s, MOVMuxCencContext* ctx,
             frame_header = &obu->obu.frame.header;
             fh_data      = unit->data;
             fh_data_size = unit->data_size;
-        // fall-through
+            av_fallthrough;
         case AV1_OBU_TILE_GROUP:
             {
                 const AV1RawTileGroup *tile_group;

libavformat/options.c

@@ -26,6 +26,7 @@
 #include "libavcodec/avcodec.h"
 #include "libavcodec/codec_par.h"
 
+#include "libavutil/attributes.h"
 #include "libavutil/avassert.h"
 #include "libavutil/iamf.h"
 #include "libavutil/internal.h"
@@ -395,7 +396,7 @@ static const AVClass *stream_group_child_iterate(void **opaque)
     switch(i) {
     case AV_STREAM_GROUP_PARAMS_NONE:
         i++;
-    // fall-through
+        av_fallthrough;
     case AV_STREAM_GROUP_PARAMS_IAMF_AUDIO_ELEMENT:
         ret = av_iamf_audio_element_get_class();
         break;

libavformat/rtpenc.c

@@ -20,6 +20,7 @@
  */
 
 #include "avformat.h"
+#include "libavutil/attributes.h"
 #include "mpegts.h"
 #include "internal.h"
 #include "mux.h"
@@ -630,7 +631,7 @@ static int rtp_write_packet(AVFormatContext *s1, AVPacket *pkt)
             ff_rtp_send_h263_rfc2190(s1, pkt->data, size, mb_info, mb_info_size);
             break;
         }
-        /* Fallthrough */
+        av_fallthrough;
     case AV_CODEC_ID_H263P:
         ff_rtp_send_h263(s1, pkt->data, size);
         break;
@@ -669,7 +670,7 @@ static int rtp_write_packet(AVFormatContext *s1, AVPacket *pkt)
                    size, s->max_payload_size);
             return AVERROR(EINVAL);
         }
-        /* Intentional fallthrough */
+        av_fallthrough;
     default:
         /* better than nothing : send the codec raw data */
         rtp_send_raw(s1, pkt->data, size);

libavformat/sbgdec.c

@@ -22,6 +22,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>
+#include "libavutil/attributes.h"
 #include "libavutil/bprint.h"
 #include "libavutil/channel_layout.h"
 #include "libavutil/intreadwrite.h"
@@ -1118,7 +1119,7 @@ static int generate_interval(void *log, struct sbg_script *s,
         case SBG_TYPE_SPIN:
             av_log(log, AV_LOG_WARNING, "Spinning noise not implemented, "
                                         "using pink noise instead.\n");
-            /* fall through */
+            av_fallthrough;
         case SBG_TYPE_NOISE:
             /* SBaGen's pink noise generator uses:
                - 1 band of white noise, mean square: 1/3;

libavformat/tls_libtls.c

@@ -22,6 +22,7 @@
 
 #include "avformat.h"
 #include "internal.h"
+#include "libavutil/attributes.h"
 #include "network.h"
 #include "url.h"
 #include "tls.h"
@@ -140,7 +141,7 @@ err_config:
 err_ctx:
     av_log(h, AV_LOG_ERROR, "%s\n", tls_error(p->ctx));
     ret = AVERROR(EIO);
-    /* fallthrough */
+    av_fallthrough;
 fail:
     if (cfg)
         tls_config_free(cfg);