Take advantage of per-channel exponent and exponent strategy layout to

[ffmpeg] / libavformat / flacdec.c

diff --git a/libavformat/flacdec.c b/libavformat/flacdec.c
index 067d4fafe93c8c5b40efdd5f0375b788f09f63a5..d73486f4f4ac645b3332f2b30e5850ddf708ebf8 100644 (file)
--- a/libavformat/flacdec.c
+++ b/libavformat/flacdec.c
@@ -21,34 +21,24 @@
 
 #include "libavcodec/flac.h"
 #include "avformat.h"
-#include "raw.h"
-#include "id3v2.h"
+#include "rawdec.h"
 #include "oggdec.h"
+#include "vorbiscomment.h"
 
 static int flac_read_header(AVFormatContext *s,
                              AVFormatParameters *ap)
 {
-    uint8_t buf[ID3v2_HEADER_SIZE];
     int ret, metadata_last=0, metadata_type, metadata_size, found_streaminfo=0;
     uint8_t header[4];
     uint8_t *buffer=NULL;
     AVStream *st = av_new_stream(s, 0);
     if (!st)
         return AVERROR(ENOMEM);
-    st->codec->codec_type = CODEC_TYPE_AUDIO;
+    st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
     st->codec->codec_id = CODEC_ID_FLAC;
     st->need_parsing = AVSTREAM_PARSE_FULL;
     /* the parameters will be extracted from the compressed bitstream */
 
-    /* skip ID3v2 header if found */
-    ret = get_buffer(s->pb, buf, ID3v2_HEADER_SIZE);
-    if (ret == ID3v2_HEADER_SIZE && ff_id3v2_match(buf)) {
-        int len = ff_id3v2_tag_len(buf);
-        url_fseek(s->pb, len - ID3v2_HEADER_SIZE, SEEK_CUR);
-    } else {
-        url_fseek(s->pb, 0, SEEK_SET);
-    }
-
     /* if fLaC marker is not found, assume there is no header */
     if (get_le32(s->pb) != MKTAG('f','L','a','C')) {
         url_fseek(s->pb, -4, SEEK_CUR);
@@ -66,11 +56,11 @@ static int flac_read_header(AVFormatContext *s,
         case FLAC_METADATA_TYPE_VORBIS_COMMENT:
             buffer = av_mallocz(metadata_size + FF_INPUT_BUFFER_PADDING_SIZE);
             if (!buffer) {
-                return AVERROR_NOMEM;
+                return AVERROR(ENOMEM);
             }
             if (get_buffer(s->pb, buffer, metadata_size) != metadata_size) {
                 av_freep(&buffer);
-                return AVERROR_IO;
+                return AVERROR(EIO);
             }
             break;
         /* skip metadata block for unsupported types */
@@ -113,7 +103,7 @@ static int flac_read_header(AVFormatContext *s,
             }
             /* process supported blocks other than STREAMINFO */
             if (metadata_type == FLAC_METADATA_TYPE_VORBIS_COMMENT) {
-                if (vorbis_comment(s, buffer, metadata_size)) {
+                if (ff_vorbis_comment(s, &s->metadata, buffer, metadata_size)) {
                     av_log(s, AV_LOG_WARNING, "error parsing VorbisComment metadata\n");
                 }
             }
@@ -129,9 +119,6 @@ static int flac_probe(AVProbeData *p)
     uint8_t *bufptr = p->buf;
     uint8_t *end    = p->buf + p->buf_size;
 
-    if(ff_id3v2_match(bufptr))
-        bufptr += ff_id3v2_tag_len(bufptr);
-
     if(bufptr > end-4 || memcmp(bufptr, "fLaC", 4)) return 0;
     else                                            return AVPROBE_SCORE_MAX/2;
 }
@@ -146,5 +133,4 @@ AVInputFormat flac_demuxer = {
     .flags= AVFMT_GENERIC_INDEX,
     .extensions = "flac",
     .value = CODEC_ID_FLAC,
-    .metadata_conv = ff_vorbiscomment_metadata_conv,
 };