lavf: Declare an AVRational struct without a struct literal

[ffmpeg] / libavformat / xa.c

diff --git a/libavformat/xa.c b/libavformat/xa.c
index c5e5cf5864f5c3bbb3676eb2eac7eac158268400..4c209656b2e929bbb88cf88cdaeaa8ebcb2091ed 100644 (file)
--- a/libavformat/xa.c
+++ b/libavformat/xa.c
@@ -38,7 +38,6 @@
 typedef struct MaxisXADemuxContext {
     uint32_t out_size;
     uint32_t sent_bytes;
-    uint32_t audio_frame_counter;
 } MaxisXADemuxContext;
 
 static int xa_probe(AVProbeData *p)
@@ -81,12 +80,15 @@ static int xa_read_header(AVFormatContext *s)
     avio_skip(pb, 2);       /* Skip the tag */
     st->codec->channels     = avio_rl16(pb);
     st->codec->sample_rate  = avio_rl32(pb);
-    /* Value in file is average byte rate*/
-    st->codec->bit_rate     = avio_rl32(pb) * 8;
-    st->codec->block_align  = avio_rl16(pb);
-    st->codec->bits_per_coded_sample = avio_rl16(pb);
+    avio_skip(pb, 4);       /* Skip average byte rate */
+    avio_skip(pb, 2);       /* Skip block align */
+    avio_skip(pb, 2);       /* Skip bits-per-sample */
+
+    st->codec->bit_rate = av_clip(15LL * st->codec->channels * 8 *
+                                  st->codec->sample_rate / 28, 0, INT_MAX);
 
     avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
+    st->start_time = 0;
 
     return 0;
 }
@@ -100,8 +102,8 @@ static int xa_read_packet(AVFormatContext *s,
     unsigned int packet_size;
     int ret;
 
-    if(xa->sent_bytes > xa->out_size)
-        return AVERROR(EIO);
+    if (xa->sent_bytes >= xa->out_size)
+        return AVERROR_EOF;
     /* 1 byte header and 14 bytes worth of samples * number channels per block */
     packet_size = 15*st->codec->channels;
 
@@ -111,16 +113,14 @@ static int xa_read_packet(AVFormatContext *s,
 
     pkt->stream_index = st->index;
     xa->sent_bytes += packet_size;
-    pkt->pts = xa->audio_frame_counter;
-    /* 14 bytes Samples per channel with 2 samples per byte */
-    xa->audio_frame_counter += 28 * st->codec->channels;
+    pkt->duration = 28;
 
     return ret;
 }
 
 AVInputFormat ff_xa_demuxer = {
     .name           = "xa",
-    .long_name      = NULL_IF_CONFIG_SMALL("Maxis XA File Format"),
+    .long_name      = NULL_IF_CONFIG_SMALL("Maxis XA"),
     .priv_data_size = sizeof(MaxisXADemuxContext),
     .read_probe     = xa_probe,
     .read_header    = xa_read_header,