mov: fix assigment check

[ffmpeg] / libavformat / rl2.c

diff --git a/libavformat/rl2.c b/libavformat/rl2.c
index b2be7c0ca9b3ae228f7810c9907dddc7e54f8ebe..5d30bf8bd6a022bd72ee74168bc7b6c8f81d173a 100644 (file)
--- a/libavformat/rl2.c
+++ b/libavformat/rl2.c
@@ -32,6 +32,8 @@
  * optional background_frame
  */
 
+#include <stdint.h>
+
 #include "libavutil/intreadwrite.h"
 #include "libavutil/mathematics.h"
 #include "avformat.h"
@@ -69,11 +71,9 @@ static int rl2_probe(AVProbeData *p)
 /**
  * read rl2 header data and setup the avstreams
  * @param s demuxer context
- * @param ap format parameters
  * @return 0 on success, AVERROR otherwise
  */
-static av_cold int rl2_read_header(AVFormatContext *s,
-                            AVFormatParameters *ap)
+static av_cold int rl2_read_header(AVFormatContext *s)
 {
     AVIOContext *pb = s->pb;
     AVStream *st;
@@ -109,6 +109,10 @@ static av_cold int rl2_read_header(AVFormatContext *s,
     rate = avio_rl16(pb);
     channels = avio_rl16(pb);
     def_sound_size = avio_rl16(pb);
+    if (!channels || channels > 42) {
+        av_log(s, AV_LOG_ERROR, "Invalid number of channels: %d\n", channels);
+        return AVERROR_INVALIDDATA;
+    }
 
     /** setup video stream */
     st = avformat_new_stream(s, NULL);
@@ -116,7 +120,7 @@ static av_cold int rl2_read_header(AVFormatContext *s,
          return AVERROR(ENOMEM);
 
     st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
-    st->codec->codec_id = CODEC_ID_RL2;
+    st->codec->codec_id = AV_CODEC_ID_RL2;
     st->codec->codec_tag = 0;  /* no fourcc */
     st->codec->width = 320;
     st->codec->height = 200;
@@ -145,7 +149,7 @@ static av_cold int rl2_read_header(AVFormatContext *s,
         if (!st)
             return AVERROR(ENOMEM);
         st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
-        st->codec->codec_id = CODEC_ID_PCM_U8;
+        st->codec->codec_id = AV_CODEC_ID_PCM_U8;
         st->codec->codec_tag = 1;
         st->codec->channels = channels;
         st->codec->bits_per_coded_sample = 8;
@@ -288,11 +292,10 @@ static int rl2_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp
 
 AVInputFormat ff_rl2_demuxer = {
     .name           = "rl2",
-    .long_name      = NULL_IF_CONFIG_SMALL("RL2 format"),
+    .long_name      = NULL_IF_CONFIG_SMALL("RL2"),
     .priv_data_size = sizeof(Rl2DemuxContext),
     .read_probe     = rl2_probe,
     .read_header    = rl2_read_header,
     .read_packet    = rl2_read_packet,
     .read_seek      = rl2_read_seek,
 };
-