1 files changed, 16 insertions, 21 deletions

diff --git a/contrib/ffmpeg/libavformat/ffm.c b/contrib/ffmpeg/libavformat/ffm.c
index a2970ae42..872e6f0ba 100644
--- a/contrib/ffmpeg/libavformat/ffm.c
+++ b/contrib/ffmpeg/libavformat/ffm.c
@@ -64,7 +64,7 @@ static void flush_packet(AVFormatContext *s)
 {
     FFMContext *ffm = s->priv_data;
     int fill_size, h;
-    ByteIOContext *pb = &s->pb;
+    ByteIOContext *pb = s->pb;
 
     fill_size = ffm->packet_end - ffm->packet_ptr;
     memset(ffm->packet_ptr, 0, fill_size);
@@ -128,7 +128,7 @@ static int ffm_write_header(AVFormatContext *s)
     FFMContext *ffm = s->priv_data;
     AVStream *st;
     FFMStream *fst;
-    ByteIOContext *pb = &s->pb;
+    ByteIOContext *pb = s->pb;
     AVCodecContext *codec;
     int bit_rate, i;
 
@@ -278,7 +278,7 @@ static int ffm_write_packet(AVFormatContext *s, AVPacket *pkt)
 
 static int ffm_write_trailer(AVFormatContext *s)
 {
-    ByteIOContext *pb = &s->pb;
+    ByteIOContext *pb = s->pb;
     FFMContext *ffm = s->priv_data;
 
     /* flush packets */
@@ -314,7 +314,7 @@ static int ffm_is_avail_data(AVFormatContext *s, int size)
         if (size <= len)
             return 1;
     }
-    pos = url_ftell(&s->pb);
+    pos = url_ftell(s->pb);
     if (pos == ffm->write_index) {
         /* exactly at the end of stream */
         return 0;
@@ -335,7 +335,7 @@ static int ffm_read_data(AVFormatContext *s,
                          uint8_t *buf, int size, int first)
 {
     FFMContext *ffm = s->priv_data;
-    ByteIOContext *pb = &s->pb;
+    ByteIOContext *pb = s->pb;
     int len, fill_size, size1, frame_offset;
 
     size1 = size;
@@ -393,7 +393,7 @@ static int ffm_read_data(AVFormatContext *s,
 static void adjust_write_index(AVFormatContext *s)
 {
     FFMContext *ffm = s->priv_data;
-    ByteIOContext *pb = &s->pb;
+    ByteIOContext *pb = s->pb;
     int64_t pts;
     //offset_t orig_write_index = ffm->write_index;
     offset_t pos_min, pos_max;
@@ -452,7 +452,7 @@ static int ffm_read_header(AVFormatContext *s, AVFormatParameters *ap)
     FFMContext *ffm = s->priv_data;
     AVStream *st;
     FFMStream *fst;
-    ByteIOContext *pb = &s->pb;
+    ByteIOContext *pb = s->pb;
     AVCodecContext *codec;
     int i, nb_streams;
     uint32_t tag;
@@ -585,7 +585,7 @@ static int ffm_read_packet(AVFormatContext *s, AVPacket *pkt)
         }
 #if 0
         printf("pos=%08"PRIx64" spos=%"PRIx64", write_index=%"PRIx64" size=%"PRIx64"\n",
-               url_ftell(&s->pb), s->pb.pos, ffm->write_index, ffm->file_size);
+               url_ftell(s->pb), s->pb.pos, ffm->write_index, ffm->file_size);
 #endif
         if (ffm_read_data(s, ffm->header, FRAME_HEADER_SIZE, 1) !=
             FRAME_HEADER_SIZE)
@@ -601,16 +601,16 @@ static int ffm_read_packet(AVFormatContext *s, AVPacket *pkt)
         ffm->read_state = READ_DATA;
         /* fall thru */
     case READ_DATA:
-        size = (ffm->header[2] << 16) | (ffm->header[3] << 8) | ffm->header[4];
+        size = AV_RB24(ffm->header + 2);
         if (!ffm_is_avail_data(s, size)) {
             return AVERROR(EAGAIN);
         }
 
-        duration = (ffm->header[5] << 16) | (ffm->header[6] << 8) | ffm->header[7];
+        duration = AV_RB24(ffm->header + 5);
 
         av_new_packet(pkt, size);
         pkt->stream_index = ffm->header[0];
-        pkt->pos = url_ftell(&s->pb);
+        pkt->pos = url_ftell(s->pb);
         if (ffm->header[1] & FLAG_KEY_FRAME)
             pkt->flags |= PKT_FLAG_KEY;
 
@@ -638,7 +638,7 @@ static int ffm_read_packet(AVFormatContext *s, AVPacket *pkt)
 static void ffm_seek1(AVFormatContext *s, offset_t pos1)
 {
     FFMContext *ffm = s->priv_data;
-    ByteIOContext *pb = &s->pb;
+    ByteIOContext *pb = s->pb;
     offset_t pos;
 
     pos = pos1 + ffm->write_index;
@@ -652,7 +652,7 @@ static void ffm_seek1(AVFormatContext *s, offset_t pos1)
 
 static int64_t get_pts(AVFormatContext *s, offset_t pos)
 {
-    ByteIOContext *pb = &s->pb;
+    ByteIOContext *pb = s->pb;
     int64_t pts;
 
     ffm_seek1(s, pos);
@@ -665,7 +665,7 @@ static int64_t get_pts(AVFormatContext *s, offset_t pos)
 }
 
 /* seek to a given time in the file. The file read pointer is
-   positionned at or before pts. XXX: the following code is quite
+   positioned at or before pts. XXX: the following code is quite
    approximative */
 static int ffm_seek(AVFormatContext *s, int stream_index, int64_t wanted_pts, int flags)
 {
@@ -714,15 +714,10 @@ static int ffm_seek(AVFormatContext *s, int stream_index, int64_t wanted_pts, in
 offset_t ffm_read_write_index(int fd)
 {
     uint8_t buf[8];
-    offset_t pos;
-    int i;
 
     lseek(fd, 8, SEEK_SET);
     read(fd, buf, 8);
-    pos = 0;
-    for(i=0;i<8;i++)
-        pos |= (int64_t)buf[i] << (56 - i * 8);
-    return pos;
+    return AV_RB64(buf);
 }
 
 void ffm_write_write_index(int fd, offset_t pos)
@@ -758,7 +753,7 @@ static int ffm_read_close(AVFormatContext *s)
 
 static int ffm_probe(AVProbeData *p)
 {
-    if (p->buf_size >= 4 &&
+    if (
         p->buf[0] == 'F' && p->buf[1] == 'F' && p->buf[2] == 'M' &&
         p->buf[3] == '1')
         return AVPROBE_SCORE_MAX + 1;