avformat/wavenc: use av_mallocz_array()

[ffmpeg] / libavformat / mov.c

diff --git a/libavformat/mov.c b/libavformat/mov.c
index 03ed6d4220fc2a50e487fc7bf4dd2da836b9caed..9b4832fb3402b6d5f50bb1fe8b667d2eaa57c39c 100644 (file)
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -227,7 +227,7 @@ static int mov_metadata_loci(MOVContext *c, AVIOContext *pb, unsigned len)
     char language[4] = { 0 };
     char buf[100];
     uint16_t langcode = 0;
-    av_unused double longitude, latitude, altitude;
+    double longitude, latitude;
     const char *key = "location";
 
     if (len < 4 + 2 + 1 + 1 + 4 + 4 + 4)
@@ -248,7 +248,6 @@ static int mov_metadata_loci(MOVContext *c, AVIOContext *pb, unsigned len)
         return AVERROR_INVALIDDATA;
     longitude = ((int32_t) avio_rb32(pb)) / (float) (1 << 16);
     latitude  = ((int32_t) avio_rb32(pb)) / (float) (1 << 16);
-    altitude  = ((int32_t) avio_rb32(pb)) / (float) (1 << 16);
 
     // Try to output in the same format as the ?xyz field
     snprintf(buf, sizeof(buf), "%+08.4f%+09.4f/", latitude, longitude);
@@ -3264,7 +3263,6 @@ static int mov_probe(AVProbeData *p)
         /* check for obvious tags */
         case MKTAG('m','o','o','v'):
             moov_offset = offset + 4;
-        case MKTAG('j','P',' ',' '): /* jpeg 2000 signature */
         case MKTAG('m','d','a','t'):
         case MKTAG('p','n','o','t'): /* detect movs with preview pics like ew.mov and april.mov */
         case MKTAG('u','d','t','a'): /* Packet Video PVAuthor adds this and a lot of more junk */
@@ -3274,6 +3272,9 @@ static int mov_probe(AVProbeData *p)
                  offset + 12 > (unsigned int)p->buf_size ||
                  AV_RB64(p->buf+offset + 8) == 0)) {
                 score = FFMAX(score, AVPROBE_SCORE_EXTENSION);
+            } else if (tag == MKTAG('f','t','y','p') &&
+                       AV_RL32(p->buf + offset + 8) == MKTAG('j','p','2',' ')) {
+                score = FFMAX(score, 5);
             } else {
                 score = AVPROBE_SCORE_MAX;
             }
@@ -3476,12 +3477,8 @@ static int mov_read_close(AVFormatContext *s)
     }
 
     if (mov->dv_demux) {
-        for (i = 0; i < mov->dv_fctx->nb_streams; i++) {
-            av_freep(&mov->dv_fctx->streams[i]->codec);
-            av_freep(&mov->dv_fctx->streams[i]);
-        }
-        av_freep(&mov->dv_fctx);
-        av_freep(&mov->dv_demux);
+        avformat_free_context(mov->dv_fctx);
+        mov->dv_fctx = NULL;
     }
 
     av_freep(&mov->trex_data);