avformat/hls: Check that filename is not "" in probe before checking its extension

[ffmpeg] / libavcodec / vorbisdec.c

diff --git a/libavcodec/vorbisdec.c b/libavcodec/vorbisdec.c
index f773afaa41e8442a9c2d2e26ae7ac385100bc38c..225f1e941430adf62ef0a91e2a918522aa2f8840 100644 (file)
--- a/libavcodec/vorbisdec.c
+++ b/libavcodec/vorbisdec.c
@@ -573,6 +573,11 @@ static int vorbis_parse_setup_hdr_floors(vorbis_context *vc)
                 return AVERROR(ENOMEM);
 
             rangebits = get_bits(gb, 4);
+            if (!rangebits && floor_setup->data.t1.partitions) {
+                av_log(vc->avctx, AV_LOG_ERROR,
+                       "A rangebits value of 0 is not compliant with the Vorbis I specification.\n");
+                return AVERROR_INVALIDDATA;
+            }
             rangemax = (1 << rangebits);
             if (rangemax > vc->blocksize[1] / 2) {
                 av_log(vc->avctx, AV_LOG_ERROR,
@@ -789,6 +794,11 @@ static int vorbis_parse_setup_hdr_mappings(vorbis_context *vc)
 
         if (get_bits1(gb)) {
             mapping_setup->coupling_steps = get_bits(gb, 8) + 1;
+            if (vc->audio_channels < 2) {
+                av_log(vc->avctx, AV_LOG_ERROR,
+                       "Square polar channel mapping with less than two channels is not compliant with the Vorbis I specification.\n");
+                return AVERROR_INVALIDDATA;
+            }
             mapping_setup->magnitude      = av_mallocz(mapping_setup->coupling_steps *
                                                        sizeof(*mapping_setup->magnitude));
             mapping_setup->angle          = av_mallocz(mapping_setup->coupling_steps *