rtpproto: Check the size before reading buf[1]

[ffmpeg] / libavformat / ac3dec.c

diff --git a/libavformat/ac3dec.c b/libavformat/ac3dec.c
index c2e3301a2334321d3b2391375c1b91236fe502be..4ceffa54ddbf8806a8cd1ec0a64d655e2a8f9550 100644 (file)
--- a/libavformat/ac3dec.c
+++ b/libavformat/ac3dec.c
@@ -24,13 +24,13 @@
 #include "avformat.h"
 #include "rawdec.h"
 
-static int ac3_eac3_probe(AVProbeData *p, enum CodecID expected_codec_id)
+static int ac3_eac3_probe(AVProbeData *p, enum AVCodecID expected_codec_id)
 {
     int max_frames, first_frames = 0, frames;
     uint8_t *buf, *buf2, *end;
     AC3HeaderInfo hdr;
     GetBitContext gbc;
-    enum CodecID codec_id = CODEC_ID_AC3;
+    enum AVCodecID codec_id = AV_CODEC_ID_AC3;
 
     max_frames = 0;
     buf = p->buf;
@@ -47,7 +47,7 @@ static int ac3_eac3_probe(AVProbeData *p, enum CodecID expected_codec_id)
                av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf2 + 2, hdr.frame_size - 2))
                 break;
             if (hdr.bitstream_id > 10)
-                codec_id = CODEC_ID_EAC3;
+                codec_id = AV_CODEC_ID_EAC3;
             buf2 += hdr.frame_size;
         }
         max_frames = FFMAX(max_frames, frames);
@@ -57,7 +57,7 @@ static int ac3_eac3_probe(AVProbeData *p, enum CodecID expected_codec_id)
     if(codec_id != expected_codec_id) return 0;
     // keep this in sync with mp3 probe, both need to avoid
     // issues with MPEG-files!
-    if (first_frames >= 4) return AVPROBE_SCORE_MAX / 2 + 1;
+    if (first_frames >= 4) return AVPROBE_SCORE_EXTENSION + 1;
 
     if (max_frames) {
         int pes = 0, i;
@@ -78,8 +78,8 @@ static int ac3_eac3_probe(AVProbeData *p, enum CodecID expected_codec_id)
         if (pes)
             max_frames = (max_frames + pes - 1) / pes;
     }
-    if      (max_frames >  500) return AVPROBE_SCORE_MAX / 2;
-    else if (max_frames >= 4)   return AVPROBE_SCORE_MAX / 4;
+    if      (max_frames >  500) return AVPROBE_SCORE_EXTENSION;
+    else if (max_frames >= 4)   return AVPROBE_SCORE_EXTENSION / 2;
     else if (max_frames >= 1)   return 1;
     else                        return 0;
 }
@@ -87,7 +87,7 @@ static int ac3_eac3_probe(AVProbeData *p, enum CodecID expected_codec_id)
 #if CONFIG_AC3_DEMUXER
 static int ac3_probe(AVProbeData *p)
 {
-    return ac3_eac3_probe(p, CODEC_ID_AC3);
+    return ac3_eac3_probe(p, AV_CODEC_ID_AC3);
 }
 
 AVInputFormat ff_ac3_demuxer = {
@@ -98,14 +98,14 @@ AVInputFormat ff_ac3_demuxer = {
     .read_packet    = ff_raw_read_partial_packet,
     .flags= AVFMT_GENERIC_INDEX,
     .extensions = "ac3",
-    .raw_codec_id   = CODEC_ID_AC3,
+    .raw_codec_id   = AV_CODEC_ID_AC3,
 };
 #endif
 
 #if CONFIG_EAC3_DEMUXER
 static int eac3_probe(AVProbeData *p)
 {
-    return ac3_eac3_probe(p, CODEC_ID_EAC3);
+    return ac3_eac3_probe(p, AV_CODEC_ID_EAC3);
 }
 
 AVInputFormat ff_eac3_demuxer = {
@@ -116,6 +116,6 @@ AVInputFormat ff_eac3_demuxer = {
     .read_packet    = ff_raw_read_partial_packet,
     .flags          = AVFMT_GENERIC_INDEX,
     .extensions     = "eac3",
-    .raw_codec_id   = CODEC_ID_EAC3,
+    .raw_codec_id   = AV_CODEC_ID_EAC3,
 };
 #endif