avformat: export queue_attached_pictures
[ffmpeg.git] / libavformat / thp.c
index 39a8bc2..0e96b53 100644 (file)
@@ -20,7 +20,9 @@
  */
 
 #include "libavutil/intreadwrite.h"
+#include "libavutil/intfloat.h"
 #include "avformat.h"
+#include "internal.h"
 
 typedef struct ThpDemuxContext {
     int              version;
@@ -39,7 +41,7 @@ typedef struct ThpDemuxContext {
     unsigned char    components[16];
     AVStream*        vst;
     int              has_audio;
-    int              audiosize;
+    unsigned         audiosize;
 } ThpDemuxContext;
 
 
@@ -52,12 +54,12 @@ static int thp_probe(AVProbeData *p)
         return 0;
 }
 
-static int thp_read_header(AVFormatContext *s,
-                           AVFormatParameters *ap)
+static int thp_read_header(AVFormatContext *s)
 {
     ThpDemuxContext *thp = s->priv_data;
     AVStream *st;
     AVIOContext *pb = s->pb;
+    int64_t fsize= avio_size(pb);
     int i;
 
     /* Read the file header.  */
@@ -67,10 +69,12 @@ static int thp_read_header(AVFormatContext *s,
                            avio_rb32(pb); /* Max buf size.  */
                            avio_rb32(pb); /* Max samples.  */
 
-    thp->fps             = av_d2q(av_int2flt(avio_rb32(pb)), INT_MAX);
+    thp->fps             = av_d2q(av_int2float(avio_rb32(pb)), INT_MAX);
     thp->framecnt        = avio_rb32(pb);
     thp->first_framesz   = avio_rb32(pb);
-                           avio_rb32(pb); /* Data size.  */
+    pb->maxsize          = avio_rb32(pb);
+    if(fsize>0 && (!pb->maxsize || fsize < pb->maxsize))
+        pb->maxsize= fsize;
 
     thp->compoff         = avio_rb32(pb);
                            avio_rb32(pb); /* offsetDataOffset.  */
@@ -81,7 +85,7 @@ static int thp_read_header(AVFormatContext *s,
     thp->next_frame      = thp->first_frame;
 
     /* Read the component structure.  */
-    url_fseek (pb, thp->compoff, SEEK_SET);
+    avio_seek (pb, thp->compoff, SEEK_SET);
     thp->compcount       = avio_rb32(pb);
 
     /* Read the list of component types.  */
@@ -93,15 +97,15 @@ static int thp_read_header(AVFormatContext *s,
                 break;
 
             /* Video component.  */
-            st = av_new_stream(s, 0);
+            st = avformat_new_stream(s, NULL);
             if (!st)
                 return AVERROR(ENOMEM);
 
             /* The denominator and numerator are switched because 1/fps
                is required.  */
-            av_set_pts_info(st, 64, thp->fps.den, thp->fps.num);
+            avpriv_set_pts_info(st, 64, thp->fps.den, thp->fps.num);
             st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
-            st->codec->codec_id = CODEC_ID_THP;
+            st->codec->codec_id = AV_CODEC_ID_THP;
             st->codec->codec_tag = 0;  /* no fourcc */
             st->codec->width = avio_rb32(pb);
             st->codec->height = avio_rb32(pb);
@@ -116,17 +120,17 @@ static int thp_read_header(AVFormatContext *s,
                 break;
 
             /* Audio component.  */
-            st = av_new_stream(s, 0);
+            st = avformat_new_stream(s, NULL);
             if (!st)
                 return AVERROR(ENOMEM);
 
             st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
-            st->codec->codec_id = CODEC_ID_ADPCM_THP;
+            st->codec->codec_id = AV_CODEC_ID_ADPCM_THP;
             st->codec->codec_tag = 0;  /* no fourcc */
             st->codec->channels    = avio_rb32(pb); /* numChannels.  */
             st->codec->sample_rate = avio_rb32(pb); /* Frequency.  */
 
-            av_set_pts_info(st, 64, 1, st->codec->sample_rate);
+            avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
 
             thp->audio_stream_index = st->index;
             thp->has_audio = 1;
@@ -141,7 +145,7 @@ static int thp_read_packet(AVFormatContext *s,
 {
     ThpDemuxContext *thp = s->priv_data;
     AVIOContext *pb = s->pb;
-    int size;
+    unsigned int size;
     int ret;
 
     if (thp->audiosize == 0) {
@@ -149,7 +153,7 @@ static int thp_read_packet(AVFormatContext *s,
         if (thp->frame >= thp->framecnt)
             return AVERROR(EIO);
 
-        url_fseek(pb, thp->next_frame, SEEK_SET);
+        avio_seek(pb, thp->next_frame, SEEK_SET);
 
         /* Locate the next frame and read out its size.  */
         thp->next_frame += thp->next_framesz;
@@ -180,6 +184,9 @@ static int thp_read_packet(AVFormatContext *s,
         }
 
         pkt->stream_index = thp->audio_stream_index;
+        if (thp->audiosize >= 8)
+            pkt->duration = AV_RB32(&pkt->data[4]);
+
         thp->audiosize = 0;
         thp->frame++;
     }
@@ -188,10 +195,10 @@ static int thp_read_packet(AVFormatContext *s,
 }
 
 AVInputFormat ff_thp_demuxer = {
-    "thp",
-    NULL_IF_CONFIG_SMALL("THP"),
-    sizeof(ThpDemuxContext),
-    thp_probe,
-    thp_read_header,
-    thp_read_packet
+    .name           = "thp",
+    .long_name      = NULL_IF_CONFIG_SMALL("THP"),
+    .priv_data_size = sizeof(ThpDemuxContext),
+    .read_probe     = thp_probe,
+    .read_header    = thp_read_header,
+    .read_packet    = thp_read_packet
 };