use av memory handling functions

Originally committed as revision 528 to svn://svn.ffmpeg.org/ffmpeg/trunk

libav/asf.c

@@ -431,7 +431,7 @@ static int asf_write_header(AVFormatContext *s)
     asf->nb_packets = 0;
 
     if (asf_write_header1(s, 0, 50) < 0) {
-        free(asf);
+        av_free(asf);
         return -1;
     }
 
@@ -615,7 +615,7 @@ static int asf_write_trailer(AVFormatContext *s)
 
     put_flush_packet(&s->pb);
 
-    free(asf);
+    av_free(asf);
     return 0;
 }
 
@@ -869,10 +869,10 @@ static int asf_read_header(AVFormatContext *s, AVFormatParameters *ap)
     for(i=0;i<s->nb_streams;i++) {
         AVStream *st = s->streams[i];
         if (st)
-            free(st->priv_data);
-        free(st);
+            av_free(st->priv_data);
+        av_free(st);
     }
-    free(asf);
+    av_free(asf);
     return -1;
 }
 
@@ -1009,9 +1009,9 @@ static int asf_read_close(AVFormatContext *s)
 
     for(i=0;i<s->nb_streams;i++) {
         AVStream *st = s->streams[i];
-            free(st->priv_data);
+        av_free(st->priv_data);
     }
-    free(asf);
+    av_free(asf);
     return 0;
 }
 

libav/au.c

@@ -128,7 +128,7 @@ static int au_read_header(AVFormatContext *s,
     }
 
     /* now we are ready: build format streams */
-    st = malloc(sizeof(AVStream));
+    st = av_malloc(sizeof(AVStream));
     if (!st)
         return -1;
     s->nb_streams = 1;

libav/audio.c

@@ -161,7 +161,7 @@ static int audio_write_header(AVFormatContext *s1)
     s->channels = st->codec.channels;
     ret = audio_open(s, 1);
     if (ret < 0) {
-        free(s);
+        av_free(s);
         return -EIO;
     } else {
         return 0;
@@ -201,7 +201,7 @@ static int audio_write_trailer(AVFormatContext *s1)
     AudioData *s = s1->priv_data;
 
     audio_close(s);
-    free(s);
+    av_free(s);
     return 0;
 }
 
@@ -221,7 +221,7 @@ static int audio_read_header(AVFormatContext *s1, AVFormatParameters *ap)
         return -ENOMEM;
     st = av_mallocz(sizeof(AVStream));
     if (!st) {
-        free(s);
+        av_free(s);
         return -ENOMEM;
     }
     s1->priv_data = s;
@@ -232,8 +232,8 @@ static int audio_read_header(AVFormatContext *s1, AVFormatParameters *ap)
 
     ret = audio_open(s, 0);
     if (ret < 0) {
-        free(st);
-        free(s);
+        av_free(st);
+        av_free(s);
         return -EIO;
     } else {
         /* take real parameters */
@@ -284,7 +284,7 @@ static int audio_read_close(AVFormatContext *s1)
     AudioData *s = s1->priv_data;
 
     audio_close(s);
-    free(s);
+    av_free(s);
     return 0;
 }
 

libav/avformat.h

@@ -142,6 +142,9 @@ extern AVFormat au_format;
 /* wav.c */
 extern AVFormat wav_format;
 
+/* crc.c */
+extern AVFormat crc_format;
+
 /* img.c */
 extern AVFormat pgm_format;
 extern AVFormat ppm_format;

libav/avidec.c

@@ -54,7 +54,7 @@ int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
     int i, bps;
     AVStream *st;
 
-    avi = malloc(sizeof(AVIContext));
+    avi = av_malloc(sizeof(AVIContext));
     if (!avi)
         return -1;
     memset(avi, 0, sizeof(AVIContext));
@@ -106,7 +106,7 @@ int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
             s->nb_streams = get_le32(pb);
             for(i=0;i<s->nb_streams;i++) {
                 AVStream *st;
-                st = malloc(sizeof(AVStream));
+                st = av_malloc(sizeof(AVStream));
                 if (!st)
                     goto fail;
                 memset(st, 0, sizeof(AVStream));
@@ -198,8 +198,7 @@ int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
     if (stream_index != s->nb_streams - 1) {
     fail:
         for(i=0;i<s->nb_streams;i++) {
-            if (s->streams[i])
-                free(s->streams[i]);
+            av_freep(&s->streams[i]);
         }
         return -1;
     }
@@ -248,6 +247,6 @@ int avi_read_packet(AVFormatContext *s, AVPacket *pkt)
 int avi_read_close(AVFormatContext *s)
 {
     AVIContext *avi = s->priv_data;
-    free(avi);
+    av_free(avi);
     return 0;
 }

libav/avienc.c

@@ -149,7 +149,7 @@ static int avi_write_header(AVFormatContext *s)
     AVCodecContext *stream, *video_enc;
     offset_t list1, list2, strh, strf;
 
-    avi = malloc(sizeof(AVIContext));
+    avi = av_malloc(sizeof(AVIContext));
     if (!avi)
         return -1;
     memset(avi, 0, sizeof(AVIContext));
@@ -177,7 +177,7 @@ static int avi_write_header(AVFormatContext *s)
     }
     
     if (!video_enc) {
-        free(avi);
+        av_free(avi);
         return -1;
     }
     nb_frames = 0;
@@ -259,7 +259,7 @@ static int avi_write_header(AVFormatContext *s)
             break;
         case CODEC_TYPE_AUDIO:
             if (put_wav_header(pb, stream) < 0) {
-                free(avi);
+                av_free(avi);
                 return -1;
             }
             break;
@@ -309,7 +309,7 @@ static int avi_write_packet(AVFormatContext *s, int stream_index,
        avi->audio_strm_length[stream_index] += size;
 
     if (!url_is_streamed(&s->pb)) {
-        idx = malloc(sizeof(AVIIndex));
+        idx = av_malloc(sizeof(AVIIndex));
         memcpy(idx->tag, tag, 4);
         idx->flags = flags;
         idx->pos = url_ftell(pb) - avi->movi_list;
@@ -389,7 +389,7 @@ static int avi_write_trailer(AVFormatContext *s)
     }
     put_flush_packet(pb);
 
-    free(avi);
+    av_free(avi);
     return 0;
 }
 

libav/avio.c

@@ -60,7 +60,7 @@ int url_open(URLContext **puc, const char *filename, int flags)
     }
     return -ENOENT;
  found:
-    uc = malloc(sizeof(URLContext));
+    uc = av_malloc(sizeof(URLContext));
     if (!uc)
         return -ENOMEM;
     uc->prot = up;
@@ -69,7 +69,7 @@ int url_open(URLContext **puc, const char *filename, int flags)
     uc->packet_size = 1; /* default packet size */
     err = up->url_open(uc, filename, flags);
     if (err < 0) {
-        free(uc);
+        av_free(uc);
         *puc = NULL;
         return err;
     }
@@ -118,7 +118,7 @@ int url_close(URLContext *h)
     int ret;
 
     ret = h->prot->url_close(h);
-    free(h);
+    av_free(h);
     return ret;
 }
 

libav/aviobuf.c

@@ -337,14 +337,14 @@ int url_fdopen(ByteIOContext *s, URLContext *h)
     int buffer_size;
 
     buffer_size = (IO_BUFFER_SIZE / h->packet_size) * h->packet_size;
-    buffer = malloc(buffer_size);
+    buffer = av_malloc(buffer_size);
     if (!buffer)
         return -ENOMEM;
 
     if (init_put_byte(s, buffer, buffer_size, 
                       (h->flags & URL_WRONLY) != 0, h,
                       url_read_packet, url_write_packet, url_seek_packet) < 0) {
-        free(buffer);
+        av_free(buffer);
         return -EIO;
     }
     s->is_streamed = h->is_streamed;
@@ -356,11 +356,11 @@ int url_fdopen(ByteIOContext *s, URLContext *h)
 int url_setbufsize(ByteIOContext *s, int buf_size)
 {
     UINT8 *buffer;
-    buffer = malloc(buf_size);
+    buffer = av_malloc(buf_size);
     if (!buffer)
         return -ENOMEM;
 
-    free(s->buffer);
+    av_free(s->buffer);
     s->buffer = buffer;
     s->buffer_size = buf_size;
     s->buf_ptr = buffer;
@@ -391,7 +391,7 @@ int url_fclose(ByteIOContext *s)
 {
     URLContext *h = s->opaque;
     
-    free(s->buffer);
+    av_free(s->buffer);
     memset(s, 0, sizeof(ByteIOContext));
     return url_close(h);
 }

libav/crc.c

@@ -93,6 +93,7 @@ static int crc_write_trailer(struct AVFormatContext *s)
     snprintf(buf, sizeof(buf), "CRC=%08x\n", crc->crcval);
     put_buffer(&s->pb, buf, strlen(buf));
     put_flush_packet(&s->pb);
+    av_free(crc);
     return 0;
 }
 

libav/ffm.c

@@ -198,10 +198,9 @@ static int ffm_write_header(AVFormatContext *s)
     for(i=0;i<s->nb_streams;i++) {
         st = s->streams[i];
         fst = st->priv_data;
-        if (fst)
-            free(fst);
+        av_free(fst);
     }
-    free(ffm);
+    av_free(ffm);
     return -1;
 }
 
@@ -252,8 +251,8 @@ static int ffm_write_trailer(AVFormatContext *s)
     put_flush_packet(pb);
 
     for(i=0;i<s->nb_streams;i++)
-        free(s->streams[i]->priv_data);
-    free(ffm);
+        av_free(s->streams[i]->priv_data);
+    av_free(ffm);
     return 0;
 }
 
@@ -433,13 +432,12 @@ static int ffm_read_header(AVFormatContext *s, AVFormatParameters *ap)
         st = s->streams[i];
         if (st) {
             fst = st->priv_data;
-            if (fst)
-                free(fst);
-            free(st);
+            av_free(fst);
+            av_free(st);
         }
     }
     if (ffm)
-        free(ffm);
+        av_free(ffm);
     return -1;
 }
 
@@ -615,9 +613,9 @@ static int ffm_read_close(AVFormatContext *s)
 
     for(i=0;i<s->nb_streams;i++) {
         st = s->streams[i];
-        free(st->priv_data);
+        av_free(st->priv_data);
     }
-    free(s->priv_data);
+    av_free(s->priv_data);
     return 0;
 }
 

libav/gif.c

@@ -202,7 +202,7 @@ static int gif_write_header(AVFormatContext *s)
         return -1;
 */
 
-    gif = malloc(sizeof(GIFContext));
+    gif = av_malloc(sizeof(GIFContext));
     if (!gif)
         return -1;
     s->priv_data = gif;
@@ -218,7 +218,7 @@ static int gif_write_header(AVFormatContext *s)
     }
 
     if (!video_enc) {
-        free(gif);
+        av_free(gif);
         return -1;
     } else {
         width = video_enc->width;
@@ -382,7 +382,7 @@ static int gif_write_trailer(AVFormatContext *s)
     put_byte(pb, 0x3b);
     put_flush_packet(&s->pb);
 
-    free(gif);
+    av_free(gif);
     return 0;
 }
 

libav/grab.c

@@ -67,7 +67,7 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
         return -ENOMEM;
     st = av_mallocz(sizeof(AVStream));
     if (!st) {
-        free(s);
+        av_free(s);
         return -ENOMEM;
     }
     s1->priv_data = s;
@@ -231,8 +231,8 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
  fail:
     if (video_fd >= 0)
         close(video_fd);
-    free(st);
-    free(s);
+    av_free(st);
+    av_free(s);
     return -EIO;
 }
 
@@ -327,7 +327,7 @@ static int grab_read_close(AVFormatContext *s1)
     ioctl(s->fd, VIDIOCSAUDIO, &audio_saved);
 
     close(s->fd);
-    free(s);
+    av_free(s);
     return 0;
 }
 

libav/http.c

@@ -58,7 +58,7 @@ static int http_open(URLContext *h, const char *uri, int flags)
 
     h->is_streamed = 1;
 
-    s = malloc(sizeof(HTTPContext));
+    s = av_malloc(sizeof(HTTPContext));
     if (!s) {
         return -ENOMEM;
     }
@@ -129,7 +129,7 @@ static int http_open(URLContext *h, const char *uri, int flags)
  fail:
     if (fd >= 0)
         close(fd);
-    free(s);
+    av_free(s);
     return -EIO;
 }
 

libav/img.c

@@ -255,7 +255,7 @@ static int img_read_header(AVFormatContext *s1, AVFormatParameters *ap)
     ByteIOContext pb1, *f = &pb1;
     AVStream *st;
 
-    s = malloc(sizeof(VideoData));
+    s = av_malloc(sizeof(VideoData));
     if (!s)
         return -ENOMEM;
 
@@ -264,7 +264,7 @@ static int img_read_header(AVFormatContext *s1, AVFormatParameters *ap)
     s1->nb_streams = 1;
     st = av_mallocz(sizeof(AVStream));
     if (!st) {
-        free(s);
+        av_free(s);
         return -ENOMEM;
     }
     s1->streams[0] = st;
@@ -372,14 +372,14 @@ static int img_read_header(AVFormatContext *s1, AVFormatParameters *ap)
     if (!s->is_pipe)
         url_fclose(f);
  fail:
-    free(s);
+    av_free(s);
     return -EIO;
 }
 
 static int img_read_close(AVFormatContext *s1)
 {
     VideoData *s = s1->priv_data;
-    free(s);
+    av_free(s);
     return 0;
 }
 
@@ -510,7 +510,7 @@ static int img_write_header(AVFormatContext *s)
     }
     return 0;
  fail:
-    free(img);
+    av_free(img);
     return -EIO;
 }
 
@@ -591,7 +591,7 @@ static int img_write_packet(AVFormatContext *s, int stream_index,
 static int img_write_trailer(AVFormatContext *s)
 {
     VideoData *img = s->priv_data;
-    free(img);
+    av_free(img);
     return 0;
 }
 

libav/jpeg.c

@@ -144,7 +144,7 @@ static int jpeg_write_packet(AVFormatContext *s1, int stream_index,
 static int jpeg_write_trailer(AVFormatContext *s1)
 {
     JpegContext *s = s1->priv_data;
-    free(s);
+    av_free(s);
     return 0;
 }
 
@@ -167,7 +167,7 @@ static int jpeg_read_header(AVFormatContext *s1, AVFormatParameters *ap)
     s1->nb_streams = 1;
     st = av_mallocz(sizeof(AVStream));
     if (!st) {
-        free(s);
+        av_free(s);
         return -ENOMEM;
     }
     s1->streams[0] = st;
@@ -193,7 +193,7 @@ static int jpeg_read_header(AVFormatContext *s1, AVFormatParameters *ap)
         st->codec.frame_rate = ap->frame_rate;
     return 0;
  fail:
-    free(s);
+    av_free(s);
     return -EIO;
 }
 
@@ -227,7 +227,7 @@ static int jpeg_read_packet(AVFormatContext *s1, AVPacket *pkt)
 static int jpeg_read_close(AVFormatContext *s1)
 {
     JpegContext *s = s1->priv_data;
-    free(s);
+    av_free(s);
     return 0;
 }
 

libav/libav.dsp

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-SOURCE=.\asf.c
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-SOURCE=.\avformat.h
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libav/mov.c

@@ -335,11 +335,11 @@ static int parse_trak(const MOVParseTableEntry *parse_table, ByteIOContext *pb,
 #endif
 
     c = (MOVContext *)param;
-    st = malloc(sizeof(AVStream));
-        if (!st) return -2;