mp3dec: read the initial/trailing padding from the LAME tag

[ffmpeg] / libavformat / oggparseflac.c

diff --git a/libavformat/oggparseflac.c b/libavformat/oggparseflac.c
index 9860a0eb9790acebb09b6556d5da46a0fec617ae..dab1040cc43a2eb56bb68d964d7f19c875d5d1aa 100644 (file)
--- a/libavformat/oggparseflac.c
+++ b/libavformat/oggparseflac.c
@@ -34,7 +34,6 @@ flac_header (AVFormatContext * s, int idx)
     struct ogg_stream *os = ogg->streams + idx;
     AVStream *st = s->streams[idx];
     GetBitContext gb;
-    FLACStreaminfo si;
     int mdt;
 
     if (os->buf[os->pstart] == 0xff)
@@ -46,6 +45,8 @@ flac_header (AVFormatContext * s, int idx)
 
     if (mdt == OGG_FLAC_METADATA_TYPE_STREAMINFO) {
         uint8_t *streaminfo_start = os->buf + os->pstart + 5 + 4 + 4 + 4;
+        uint32_t samplerate;
+
         skip_bits_long(&gb, 4*8); /* "FLAC" */
         if(get_bits(&gb, 8) != 1) /* unsupported major version */
             return -1;
@@ -56,20 +57,22 @@ flac_header (AVFormatContext * s, int idx)
         if (get_bits_long(&gb, 32) != FLAC_STREAMINFO_SIZE)
             return -1;
 
-        avpriv_flac_parse_streaminfo(st->codec, &si, streaminfo_start);
-
-        st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
-        st->codec->codec_id = AV_CODEC_ID_FLAC;
+        st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
+        st->codecpar->codec_id = AV_CODEC_ID_FLAC;
         st->need_parsing = AVSTREAM_PARSE_HEADERS;
 
-        st->codec->extradata =
-            av_malloc(FLAC_STREAMINFO_SIZE + FF_INPUT_BUFFER_PADDING_SIZE);
-        memcpy(st->codec->extradata, streaminfo_start, FLAC_STREAMINFO_SIZE);
-        st->codec->extradata_size = FLAC_STREAMINFO_SIZE;
+        st->codecpar->extradata =
+            av_malloc(FLAC_STREAMINFO_SIZE + AV_INPUT_BUFFER_PADDING_SIZE);
+        memcpy(st->codecpar->extradata, streaminfo_start, FLAC_STREAMINFO_SIZE);
+        st->codecpar->extradata_size = FLAC_STREAMINFO_SIZE;
+
+        samplerate = AV_RB24(st->codecpar->extradata + 10) >> 4;
+        if (!samplerate)
+            return AVERROR_INVALIDDATA;
 
-        avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
+        avpriv_set_pts_info(st, 64, 1, samplerate);
     } else if (mdt == FLAC_METADATA_TYPE_VORBIS_COMMENT) {
-        ff_vorbis_comment (s, &st->metadata, os->buf + os->pstart + 4, os->psize - 4);
+        ff_vorbis_stream_comment(s, st, os->buf + os->pstart + 4, os->psize - 4);
     }
 
     return 1;
@@ -79,8 +82,8 @@ static int
 old_flac_header (AVFormatContext * s, int idx)
 {
     AVStream *st = s->streams[idx];
-    st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
-    st->codec->codec_id = AV_CODEC_ID_FLAC;
+    st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
+    st->codecpar->codec_id = AV_CODEC_ID_FLAC;
 
     return 0;
 }
@@ -88,11 +91,13 @@ old_flac_header (AVFormatContext * s, int idx)
 const struct ogg_codec ff_flac_codec = {
     .magic = "\177FLAC",
     .magicsize = 5,
-    .header = flac_header
+    .header = flac_header,
+    .nb_header = 2,
 };
 
 const struct ogg_codec ff_old_flac_codec = {
     .magic = "fLaC",
     .magicsize = 4,
-    .header = old_flac_header
+    .header = old_flac_header,
+    .nb_header = 0,
 };