avfilter/vf_psnr: remove unnecessary check

[ffmpeg] / libavformat / bethsoftvid.c

diff --git a/libavformat/bethsoftvid.c b/libavformat/bethsoftvid.c
index 2d5171a01c3f9856e04ec7420ee92598cc54435f..65aab11ad6e24e1c8bdcc2c00f7cda40e26fc42a 100644 (file)
--- a/libavformat/bethsoftvid.c
+++ b/libavformat/bethsoftvid.c
@@ -28,6 +28,7 @@
  */
 
 #include "libavutil/channel_layout.h"
+#include "libavutil/imgutils.h"
 #include "libavutil/intreadwrite.h"
 #include "avformat.h"
 #include "internal.h"
@@ -72,6 +73,7 @@ static int vid_read_header(AVFormatContext *s)
 {
     BVID_DemuxContext *vid = s->priv_data;
     AVIOContext *pb = s->pb;
+    int ret;
 
     /* load main header. Contents:
     *    bytes: 'V' 'I' 'D'
@@ -84,6 +86,10 @@ static int vid_read_header(AVFormatContext *s)
     vid->bethsoft_global_delay = avio_rl16(pb);
     avio_rl16(pb);
 
+    ret = av_image_check_size(vid->width, vid->height, 0, s);
+    if (ret < 0)
+        return ret;
+
     // wait until the first packet to create each stream
     vid->video_index = -1;
     vid->audio_index = -1;
@@ -147,9 +153,13 @@ static int read_frame(BVID_DemuxContext *vid, AVIOContext *pb, AVPacket *pkt,
     }
 
     do{
-        vidbuf_start = av_fast_realloc(vidbuf_start, &vidbuf_capacity, vidbuf_nbytes + BUFFER_PADDING_SIZE);
-        if(!vidbuf_start)
-            return AVERROR(ENOMEM);
+        uint8_t *tmp = av_fast_realloc(vidbuf_start, &vidbuf_capacity,
+                                       vidbuf_nbytes + BUFFER_PADDING_SIZE);
+        if (!tmp) {
+            ret = AVERROR(ENOMEM);
+            goto fail;
+        }
+        vidbuf_start = tmp;
 
         code = avio_r8(pb);
         vidbuf_start[vidbuf_nbytes++] = code;
@@ -281,7 +291,7 @@ static int vid_read_packet(AVFormatContext *s,
     }
 }
 
-AVInputFormat ff_bethsoftvid_demuxer = {
+const AVInputFormat ff_bethsoftvid_demuxer = {
     .name           = "bethsoftvid",
     .long_name      = NULL_IF_CONFIG_SMALL("Bethesda Softworks VID"),
     .priv_data_size = sizeof(BVID_DemuxContext),