Set codec_id correctly for RJPG codec_tag

[ffmpeg] / libavformat / ffm.c

diff --git a/libavformat/ffm.c b/libavformat/ffm.c
index 539b45d5ff67c6a5e0141b3bb23898dce5d9afef..53eb2b29dcee70d793c0beccd7f5a9378afc3af7 100644 (file)
--- a/libavformat/ffm.c
+++ b/libavformat/ffm.c
@@ -201,6 +201,7 @@ static int ffm_write_header(AVFormatContext *s)
             put_be32(pb, codec->nsse_weight);
             put_be32(pb, codec->frame_skip_cmp);
             put_be64(pb, av_dbl2int(codec->rc_buffer_aggressivity));
+            put_be32(pb, codec->codec_tag);
             break;
         case CODEC_TYPE_AUDIO:
             put_be32(pb, codec->sample_rate);
@@ -469,7 +470,7 @@ static int ffm_read_header(AVFormatContext *s, AVFormatParameters *ap)
         ffm->file_size = url_fsize(pb);
         adjust_write_index(s);
     } else {
-        ffm->file_size = (uint64_t_C(1) << 63) - 1;
+        ffm->file_size = (UINT64_C(1) << 63) - 1;
     }
 
     nb_streams = get_be32(pb);
@@ -534,6 +535,7 @@ static int ffm_read_header(AVFormatContext *s, AVFormatParameters *ap)
             codec->nsse_weight = get_be32(pb);
             codec->frame_skip_cmp = get_be32(pb);
             codec->rc_buffer_aggressivity = av_int2dbl(get_be64(pb));
+            codec->codec_tag = get_be32(pb);
             break;
         case CODEC_TYPE_AUDIO:
             codec->sample_rate = get_be32(pb);
@@ -579,7 +581,7 @@ static int ffm_read_packet(AVFormatContext *s, AVPacket *pkt)
     switch(ffm->read_state) {
     case READ_HEADER:
         if (!ffm_is_avail_data(s, FRAME_HEADER_SIZE)) {
-            return -EAGAIN;
+            return AVERROR(EAGAIN);
         }
 #if 0
         printf("pos=%08"PRIx64" spos=%"PRIx64", write_index=%"PRIx64" size=%"PRIx64"\n",
@@ -587,7 +589,7 @@ static int ffm_read_packet(AVFormatContext *s, AVPacket *pkt)
 #endif
         if (ffm_read_data(s, ffm->header, FRAME_HEADER_SIZE, 1) !=
             FRAME_HEADER_SIZE)
-            return -EAGAIN;
+            return AVERROR(EAGAIN);
 #if 0
         {
             int i;
@@ -599,12 +601,12 @@ 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 -EAGAIN;
+            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];
@@ -616,7 +618,7 @@ static int ffm_read_packet(AVFormatContext *s, AVPacket *pkt)
         if (ffm_read_data(s, pkt->data, size, 0) != size) {
             /* bad case: desynchronized packet. we cancel all the packet loading */
             av_free_packet(pkt);
-            return -EAGAIN;
+            return AVERROR(EAGAIN);
         }
         if (ffm->first_frame_in_packet)
         {
@@ -712,15 +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)
@@ -756,7 +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;