avformat: Drop pointless "format" from container long names

[ffmpeg] / libavformat / nsvdec.c

diff --git a/libavformat/nsvdec.c b/libavformat/nsvdec.c
index 08c4b10362a78f7907cea2372e223e4168a2268a..24e823e0d59a4d70a85d9cd7084f1045dc99a942 100644 (file)
--- a/libavformat/nsvdec.c
+++ b/libavformat/nsvdec.c
@@ -19,8 +19,10 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/attributes.h"
 #include "libavutil/mathematics.h"
 #include "avformat.h"
+#include "internal.h"
 #include "riff.h"
 #include "libavutil/dict.h"
 
@@ -71,7 +73,11 @@
  * so the header seems to not be mandatory. (for streaming).
  *
  * index slice duration check (excepts nsvtrailer.nsv):
- * for f in [^n]*.nsv; do DUR="$(ffmpeg -i "$f" 2>/dev/null | grep 'NSVf duration' | cut -d ' ' -f 4)"; IC="$(ffmpeg -i "$f" 2>/dev/null | grep 'INDEX ENTRIES' | cut -d ' ' -f 2)"; echo "duration $DUR, slite time $(($DUR/$IC))"; done
+ * for f in [^n]*.nsv; do
+ *     DUR="$(avconv -i "$f" 2> /dev/null | grep 'NSVf duration' | cut -d ' ' -f 4)"
+ *     IC="$(avconv -i "$f" 2> /dev/null | grep 'INDEX ENTRIES' | cut -d ' ' -f 2)"
+ *     echo "duration $DUR, slite time $(($DUR/$IC))"
+ * done
  */
 
 /*
@@ -264,7 +270,7 @@ static int nsv_resync(AVFormatContext *s)
     return -1;
 }
 
-static int nsv_parse_NSVf_header(AVFormatContext *s, AVFormatParameters *ap)
+static int nsv_parse_NSVf_header(AVFormatContext *s)
 {
     NSVContext *nsv = s->priv_data;
     AVIOContext *pb = s->pb;
@@ -309,7 +315,9 @@ static int nsv_parse_NSVf_header(AVFormatContext *s, AVFormatParameters *ap)
         char *token, *value;
         char quote;
 
-        p = strings = av_mallocz(strings_size + 1);
+        p = strings = av_mallocz((size_t)strings_size + 1);
+        if (!p)
+            return AVERROR(ENOMEM);
         endp = strings + strings_size;
         avio_read(pb, strings, strings_size);
         while (p < endp) {
@@ -344,6 +352,8 @@ static int nsv_parse_NSVf_header(AVFormatContext *s, AVFormatParameters *ap)
         if((unsigned)table_entries_used >= UINT_MAX / sizeof(uint32_t))
             return -1;
         nsv->nsvs_file_offset = av_malloc((unsigned)table_entries_used * sizeof(uint32_t));
+        if (!nsv->nsvs_file_offset)
+            return AVERROR(ENOMEM);
 
         for(i=0;i<table_entries_used;i++)
             nsv->nsvs_file_offset[i] = avio_rl32(pb) + size;
@@ -351,6 +361,8 @@ static int nsv_parse_NSVf_header(AVFormatContext *s, AVFormatParameters *ap)
         if(table_entries > table_entries_used &&
            avio_rl32(pb) == MKTAG('T','O','C','2')) {
             nsv->nsvs_timestamps = av_malloc((unsigned)table_entries_used*sizeof(uint32_t));
+            if (!nsv->nsvs_timestamps)
+                return AVERROR(ENOMEM);
             for(i=0;i<table_entries_used;i++) {
                 nsv->nsvs_timestamps[i] = avio_rl32(pb);
             }
@@ -386,7 +398,7 @@ static int nsv_parse_NSVf_header(AVFormatContext *s, AVFormatParameters *ap)
     return 0;
 }
 
-static int nsv_parse_NSVs_header(AVFormatContext *s, AVFormatParameters *ap)
+static int nsv_parse_NSVs_header(AVFormatContext *s)
 {
     NSVContext *nsv = s->priv_data;
     AVIOContext *pb = s->pb;
@@ -437,10 +449,11 @@ static int nsv_parse_NSVs_header(AVFormatContext *s, AVFormatParameters *ap)
         nsv->vheight = vwidth;
         if (vtag != T_NONE) {
             int i;
-            st = av_new_stream(s, NSV_ST_VIDEO);
+            st = avformat_new_stream(s, NULL);
             if (!st)
                 goto fail;
 
+            st->id = NSV_ST_VIDEO;
             nst = av_mallocz(sizeof(NSVStream));
             if (!nst)
                 goto fail;
@@ -452,7 +465,7 @@ static int nsv_parse_NSVs_header(AVFormatContext *s, AVFormatParameters *ap)
             st->codec->height = vheight;
             st->codec->bits_per_coded_sample = 24; /* depth XXX */
 
-            av_set_pts_info(st, 64, framerate.den, framerate.num);
+            avpriv_set_pts_info(st, 64, framerate.den, framerate.num);
             st->start_time = 0;
             st->duration = av_rescale(nsv->duration, framerate.num, 1000*framerate.den);
 
@@ -468,10 +481,11 @@ static int nsv_parse_NSVs_header(AVFormatContext *s, AVFormatParameters *ap)
         }
         if (atag != T_NONE) {
 #ifndef DISABLE_AUDIO
-            st = av_new_stream(s, NSV_ST_AUDIO);
+            st = avformat_new_stream(s, NULL);
             if (!st)
                 goto fail;
 
+            st->id = NSV_ST_AUDIO;
             nst = av_mallocz(sizeof(NSVStream));
             if (!nst)
                 goto fail;
@@ -483,7 +497,7 @@ static int nsv_parse_NSVs_header(AVFormatContext *s, AVFormatParameters *ap)
             st->need_parsing = AVSTREAM_PARSE_FULL; /* for PCM we will read a chunk later and put correct info */
 
             /* set timebase to common denominator of ms and framerate */
-            av_set_pts_info(st, 64, 1, framerate.num*1000);
+            avpriv_set_pts_info(st, 64, 1, framerate.num*1000);
             st->start_time = 0;
             st->duration = (int64_t)nsv->duration * framerate.num;
 #endif
@@ -505,7 +519,7 @@ fail:
     return -1;
 }
 
-static int nsv_read_header(AVFormatContext *s, AVFormatParameters *ap)
+static int nsv_read_header(AVFormatContext *s)
 {
     NSVContext *nsv = s->priv_data;
     int i, err;
@@ -519,11 +533,16 @@ static int nsv_read_header(AVFormatContext *s, AVFormatParameters *ap)
     for (i = 0; i < NSV_MAX_RESYNC_TRIES; i++) {
         if (nsv_resync(s) < 0)
             return -1;
-        if (nsv->state == NSV_FOUND_NSVF)
-            err = nsv_parse_NSVf_header(s, ap);
+        if (nsv->state == NSV_FOUND_NSVF) {
+            err = nsv_parse_NSVf_header(s);
+            if (err < 0)
+                return err;
+        }
             /* we need the first NSVs also... */
         if (nsv->state == NSV_FOUND_NSVS) {
-            err = nsv_parse_NSVs_header(s, ap);
+            err = nsv_parse_NSVs_header(s);
+            if (err < 0)
+                return err;
             break; /* we just want the first one */
         }
     }
@@ -548,7 +567,6 @@ static int nsv_read_chunk(AVFormatContext *s, int fill_header)
     uint32_t vsize;
     uint16_t asize;
     uint16_t auxsize;
-    uint32_t av_unused auxtag;
 
     av_dlog(s, "%s(%d)\n", __FUNCTION__, fill_header);
 
@@ -564,7 +582,7 @@ null_chunk_retry:
     if (err < 0)
         return err;
     if (nsv->state == NSV_FOUND_NSVS)
-        err = nsv_parse_NSVs_header(s, NULL);
+        err = nsv_parse_NSVs_header(s);
     if (err < 0)
         return err;
     if (nsv->state != NSV_HAS_READ_NSVS && nsv->state != NSV_FOUND_BEEF)
@@ -578,6 +596,7 @@ null_chunk_retry:
     av_dlog(s, "NSV CHUNK %d aux, %u bytes video, %d bytes audio\n", auxcount, vsize, asize);
     /* skip aux stuff */
     for (i = 0; i < auxcount; i++) {
+        uint32_t av_unused auxtag;
         auxsize = avio_rl16(pb);
         auxtag = avio_rl32(pb);
         av_dlog(s, "NSV aux data: '%c%c%c%c', %d bytes\n",
@@ -598,12 +617,12 @@ null_chunk_retry:
     }
 
     /* map back streams to v,a */
-    if (s->streams[0])
+    if (s->nb_streams > 0)
         st[s->streams[0]->id] = s->streams[0];
-    if (s->streams[1])
+    if (s->nb_streams > 1)
         st[s->streams[1]->id] = s->streams[1];
 
-    if (vsize/* && st[NSV_ST_VIDEO]*/) {
+    if (vsize && st[NSV_ST_VIDEO]) {
         nst = st[NSV_ST_VIDEO]->priv_data;
         pkt = &nsv->ahead[NSV_ST_VIDEO];
         av_get_packet(pb, pkt, vsize);
@@ -616,7 +635,7 @@ null_chunk_retry:
     if(st[NSV_ST_VIDEO])
         ((NSVStream*)st[NSV_ST_VIDEO]->priv_data)->frame_offset++;
 
-    if (asize/*st[NSV_ST_AUDIO]*/) {
+    if (asize && st[NSV_ST_AUDIO]) {
         nst = st[NSV_ST_AUDIO]->priv_data;
         pkt = &nsv->ahead[NSV_ST_AUDIO];
         /* read raw audio specific header on the first audio chunk... */
@@ -702,7 +721,9 @@ static int nsv_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp
     if(index < 0)
         return -1;
 
-    avio_seek(s->pb, st->index_entries[index].pos, SEEK_SET);
+    if (avio_seek(s->pb, st->index_entries[index].pos, SEEK_SET) < 0)
+        return -1;
+
     nst->frame_offset = st->index_entries[index].timestamp;
     nsv->state = NSV_UNSYNC;
     return 0;