X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fdxa.c;h=78e7290837e1c1cfe75936591fd3ca7dab138a0c;hb=adf0ff000055f09f7439e96aaa8178ed763013ee;hp=de72792372d6d9ca071c5baa17c6f97c70878aa7;hpb=a2704c9712ad35cc22e7e0d8a79b581c07fa383b;p=ffmpeg

diff --git a/libavformat/dxa.c b/libavformat/dxa.c
index de72792372d..78e7290837e 100644
--- a/libavformat/dxa.c
+++ b/libavformat/dxa.c
@@ -2,25 +2,28 @@
  * DXA demuxer
  * Copyright (c) 2007 Konstantin Shishkov
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include <inttypes.h>
+
 #include "libavutil/intreadwrite.h"
 #include "avformat.h"
+#include "internal.h"
 #include "riff.h"
 
 #define DXA_EXTRA_SIZE  9
@@ -50,7 +53,7 @@ static int dxa_probe(AVProbeData *p)
         return 0;
 }
 
-static int dxa_read_header(AVFormatContext *s, AVFormatParameters *ap)
+static int dxa_read_header(AVFormatContext *s)
 {
     AVIOContext *pb = s->pb;
     DXAContext *c = s->priv_data;
@@ -60,6 +63,7 @@ static int dxa_read_header(AVFormatContext *s, AVFormatParameters *ap)
     int w, h;
     int num, den;
     int flags;
+    int ret;
 
     tag = avio_rl32(pb);
     if (tag != MKTAG('D', 'E', 'X', 'A'))
@@ -86,7 +90,7 @@ static int dxa_read_header(AVFormatContext *s, AVFormatParameters *ap)
     h = avio_rb16(pb);
     c->has_sound = 0;
 
-    st = av_new_stream(s, 0);
+    st = avformat_new_stream(s, NULL);
     if (!st)
         return -1;
 
@@ -96,19 +100,23 @@ static int dxa_read_header(AVFormatContext *s, AVFormatParameters *ap)
         c->has_sound = 1;
         size = avio_rb32(pb);
         c->vidpos = avio_tell(pb) + size;
-        avio_seek(pb, 16, SEEK_CUR);
+        avio_skip(pb, 16);
         fsize = avio_rl32(pb);
 
-        ast = av_new_stream(s, 0);
+        ast = avformat_new_stream(s, NULL);
         if (!ast)
             return -1;
-        ff_get_wav_header(pb, ast->codec, fsize);
+        ret = ff_get_wav_header(pb, ast->codec, fsize);
+        if (ret < 0)
+            return ret;
+        if (ast->codec->sample_rate > 0)
+            avpriv_set_pts_info(ast, 64, 1, ast->codec->sample_rate);
         // find 'data' chunk
-        while(avio_tell(pb) < c->vidpos && !url_feof(pb)){
+        while(avio_tell(pb) < c->vidpos && !pb->eof_reached){
             tag = avio_rl32(pb);
             fsize = avio_rl32(pb);
             if(tag == MKTAG('d', 'a', 't', 'a')) break;
-            avio_seek(pb, fsize, SEEK_CUR);
+            avio_skip(pb, fsize);
         }
         c->bpc = (fsize + c->frames - 1) / c->frames;
         if(ast->codec->block_align)
@@ -120,11 +128,11 @@ static int dxa_read_header(AVFormatContext *s, AVFormatParameters *ap)
 
     /* now we are ready: build format streams */
     st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
-    st->codec->codec_id   = CODEC_ID_DXA;
+    st->codec->codec_id   = AV_CODEC_ID_DXA;
     st->codec->width      = w;
     st->codec->height     = h;
     av_reduce(&den, &num, den, num, (1UL<<31)-1);
-    av_set_pts_info(st, 33, num, den);
+    avpriv_set_pts_info(st, 33, num, den);
     /* flags & 0x80 means that image is interlaced,
      * flags & 0x40 means that image has double height
      * either way set true height
@@ -162,7 +170,7 @@ static int dxa_read_packet(AVFormatContext *s, AVPacket *pkt)
         return 0;
     }
     avio_seek(s->pb, c->vidpos, SEEK_SET);
-    while(!url_feof(s->pb) && c->frames){
+    while(!s->pb->eof_reached && c->frames){
         avio_read(s->pb, buf, 4);
         switch(AV_RL32(buf)){
         case MKTAG('N', 'U', 'L', 'L'):
@@ -184,7 +192,8 @@ static int dxa_read_packet(AVFormatContext *s, AVPacket *pkt)
             avio_read(s->pb, buf + 4, DXA_EXTRA_SIZE - 4);
             size = AV_RB32(buf + 5);
             if(size > 0xFFFFFF){
-                av_log(s, AV_LOG_ERROR, "Frame size is too big: %d\n", size);
+                av_log(s, AV_LOG_ERROR, "Frame size is too big: %"PRIu32"\n",
+                       size);
                 return -1;
             }
             if(av_new_packet(pkt, size + DXA_EXTRA_SIZE + pal_size) < 0)
@@ -210,10 +219,10 @@ static int dxa_read_packet(AVFormatContext *s, AVPacket *pkt)
 }
 
 AVInputFormat ff_dxa_demuxer = {
-    "dxa",
-    NULL_IF_CONFIG_SMALL("DXA"),
-    sizeof(DXAContext),
-    dxa_probe,
-    dxa_read_header,
-    dxa_read_packet,
+    .name           = "dxa",
+    .long_name      = NULL_IF_CONFIG_SMALL("DXA"),
+    .priv_data_size = sizeof(DXAContext),
+    .read_probe     = dxa_probe,
+    .read_header    = dxa_read_header,
+    .read_packet    = dxa_read_packet,
 };