lavc: export Dirac parsing API used by the ogg demuxer as public

[ffmpeg] / libavformat / xwma.c

diff --git a/libavformat/xwma.c b/libavformat/xwma.c
index 45d74de0dde239a308df232d39440ad2b0b46e10..b24cde857b0920936aedf201aa6594609e6d179a 100644 (file)
--- a/libavformat/xwma.c
+++ b/libavformat/xwma.c
@@ -30,7 +30,7 @@
  * Demuxer for xWMA, a Microsoft audio container used by XAudio 2.
  */
 
-typedef struct {
+typedef struct XWMAContext {
     int64_t data_end;
 } XWMAContext;
 
@@ -44,7 +44,7 @@ static int xwma_probe(AVProbeData *p)
 static int xwma_read_header(AVFormatContext *s)
 {
     int64_t size;
-    int ret;
+    int ret = 0;
     uint32_t dpds_table_size = 0;
     uint32_t *dpds_table = 0;
     unsigned int tag;
@@ -75,7 +75,7 @@ static int xwma_read_header(AVFormatContext *s)
     if (!st)
         return AVERROR(ENOMEM);
 
-    ret = ff_get_wav_header(pb, st->codec, size);
+    ret = ff_get_wav_header(s, pb, st->codec, size);
     if (ret < 0)
         return ret;
     st->need_parsing = AVSTREAM_PARSE_NONE;
@@ -105,7 +105,7 @@ static int xwma_read_header(AVFormatContext *s)
                                   st->codec->extradata_size);
         } else {
             st->codec->extradata_size = 6;
-            st->codec->extradata      = av_mallocz(6 + FF_INPUT_BUFFER_PADDING_SIZE);
+            st->codec->extradata      = av_mallocz(6 + AV_INPUT_BUFFER_PADDING_SIZE);
             if (!st->codec->extradata)
                 return AVERROR(ENOMEM);
 
@@ -130,8 +130,10 @@ static int xwma_read_header(AVFormatContext *s)
 
     /* parse the remaining RIFF chunks */
     for (;;) {
-        if (pb->eof_reached)
-            return -1;
+        if (pb->eof_reached) {
+            ret = AVERROR_INVALIDDATA;
+            goto fail;
+        }
         /* read next chunk tag */
         tag = avio_rl32(pb);
         size = avio_rl32(pb);
@@ -152,7 +154,8 @@ static int xwma_read_header(AVFormatContext *s)
             /* Error out if there is more than one dpds chunk. */
             if (dpds_table) {
                 av_log(s, AV_LOG_ERROR, "two dpds chunks present\n");
-                return -1;
+                ret = AVERROR_INVALIDDATA;
+                goto fail;
             }
 
             /* Compute the number of entries in the dpds chunk. */
@@ -184,8 +187,10 @@ static int xwma_read_header(AVFormatContext *s)
     }
 
     /* Determine overall data length */
-    if (size < 0)
-        return -1;
+    if (size < 0) {
+        ret = AVERROR_INVALIDDATA;
+        goto fail;
+    }
     if (!size) {
         xwma->data_end = INT64_MAX;
     } else
@@ -204,7 +209,8 @@ static int xwma_read_header(AVFormatContext *s)
             av_log(s, AV_LOG_ERROR,
                    "Invalid bits_per_coded_sample %d for %d channels\n",
                    st->codec->bits_per_coded_sample, st->codec->channels);
-            return AVERROR_INVALIDDATA;
+            ret = AVERROR_INVALIDDATA;
+            goto fail;
         }
 
         st->duration = total_decoded_bytes / bytes_per_sample;
@@ -239,9 +245,10 @@ static int xwma_read_header(AVFormatContext *s)
         st->duration = (size<<3) * st->codec->sample_rate / st->codec->bit_rate;
     }
 
+fail:
     av_free(dpds_table);
 
-    return 0;
+    return ret;
 }
 
 static int xwma_read_packet(AVFormatContext *s, AVPacket *pkt)