add FF_API_ALLOC_FORMAT_CONTEXT define to disable the deprecated

[ffmpeg] / libavformat / flvdec.c

diff --git a/libavformat/flvdec.c b/libavformat/flvdec.c
index fc51594f6f229ffbd348259483349fefa54894a5..063f9064f56e6ea1ede511089d88f8e9436f8363 100644 (file)
--- a/libavformat/flvdec.c
+++ b/libavformat/flvdec.c
@@ -188,15 +188,17 @@ static int amf_parse_object(AVFormatContext *s, AVStream *astream, AVStream *vst
 
         if(amf_type == AMF_DATA_TYPE_BOOL) {
             av_strlcpy(str_val, num_val > 0 ? "true" : "false", sizeof(str_val));
-            av_metadata_set(&s->metadata, key, str_val);
+            av_metadata_set2(&s->metadata, key, str_val, 0);
         } else if(amf_type == AMF_DATA_TYPE_NUMBER) {
             snprintf(str_val, sizeof(str_val), "%.f", num_val);
-            av_metadata_set(&s->metadata, key, str_val);
+            av_metadata_set2(&s->metadata, key, str_val, 0);
             if(!strcmp(key, "duration")) s->duration = num_val * AV_TIME_BASE;
             else if(!strcmp(key, "videodatarate") && vcodec && 0 <= (int)(num_val * 1024.0))
                 vcodec->bit_rate = num_val * 1024.0;
+            else if(!strcmp(key, "audiodatarate") && acodec && 0 <= (int)(num_val * 1024.0))
+                acodec->bit_rate = num_val * 1024.0;
         } else if (amf_type == AMF_DATA_TYPE_STRING)
-          av_metadata_set(&s->metadata, key, str_val);
+            av_metadata_set2(&s->metadata, key, str_val, 0);
     }
 
     return 0;
@@ -270,6 +272,7 @@ static int flv_read_header(AVFormatContext *s,
 
     offset = get_be32(s->pb);
     url_fseek(s->pb, offset, SEEK_SET);
+    url_fskip(s->pb, 4);
 
     s->start_time = 0;
 
@@ -295,9 +298,8 @@ static int flv_read_packet(AVFormatContext *s, AVPacket *pkt)
     int64_t dts, pts = AV_NOPTS_VALUE;
     AVStream *st = NULL;
 
- for(;;){
+ for(;;url_fskip(s->pb, 4)){ /* pkt size is repeated at end. skip it */
     pos = url_ftell(s->pb);
-    url_fskip(s->pb, 4); /* size of previous packet */
     type = get_byte(s->pb);
     size = get_be24(s->pb);
     dts = get_be24(s->pb);
@@ -412,18 +414,24 @@ static int flv_read_packet(AVFormatContext *s, AVPacket *pkt)
                 ff_mpeg4audio_get_config(&cfg, st->codec->extradata,
                                          st->codec->extradata_size);
                 st->codec->channels = cfg.channels;
-                st->codec->sample_rate = cfg.sample_rate;
+                if (cfg.ext_sample_rate)
+                    st->codec->sample_rate = cfg.ext_sample_rate;
+                else
+                    st->codec->sample_rate = cfg.sample_rate;
                 dprintf(s, "mp4a config channels %d sample rate %d\n",
                         st->codec->channels, st->codec->sample_rate);
             }
 
-            return AVERROR(EAGAIN);
+            ret = AVERROR(EAGAIN);
+            goto leave;
         }
     }
 
     /* skip empty data packets */
-    if (!size)
-        return AVERROR(EAGAIN);
+    if (!size) {
+        ret = AVERROR(EAGAIN);
+        goto leave;
+    }
 
     ret= av_get_packet(s->pb, pkt, size);
     if (ret < 0) {
@@ -437,10 +445,45 @@ static int flv_read_packet(AVFormatContext *s, AVPacket *pkt)
     pkt->stream_index = st->index;
 
     if (is_audio || ((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_KEY))
-        pkt->flags |= PKT_FLAG_KEY;
+        pkt->flags |= AV_PKT_FLAG_KEY;
+
+leave:
+    url_fskip(s->pb, 4);
+    return ret;
+}
+
+static int flv_read_seek(AVFormatContext *s, int stream_index,
+    int64_t ts, int flags)
+{
+    return av_url_read_fseek(s->pb, stream_index, ts, flags);
+}
 
+#if 0 /* don't know enough to implement this */
+static int flv_read_seek2(AVFormatContext *s, int stream_index,
+    int64_t min_ts, int64_t ts, int64_t max_ts, int flags)
+{
+    int ret = AVERROR(ENOSYS);
+
+    if (ts - min_ts > (uint64_t)(max_ts - ts)) flags |= AVSEEK_FLAG_BACKWARD;
+
+    if (url_is_streamed(s->pb)) {
+        if (stream_index < 0) {
+            stream_index = av_find_default_stream_index(s);
+            if (stream_index < 0)
+                return -1;
+
+            /* timestamp for default must be expressed in AV_TIME_BASE units */
+            ts = av_rescale_rnd(ts, 1000, AV_TIME_BASE,
+                flags & AVSEEK_FLAG_BACKWARD ? AV_ROUND_DOWN : AV_ROUND_UP);
+        }
+        ret = av_url_read_fseek(s->pb, stream_index, ts, flags);
+    }
+
+    if (ret == AVERROR(ENOSYS))
+        ret = av_seek_frame(s, stream_index, ts, flags);
     return ret;
 }
+#endif
 
 AVInputFormat flv_demuxer = {
     "flv",
@@ -449,6 +492,10 @@ AVInputFormat flv_demuxer = {
     flv_probe,
     flv_read_header,
     flv_read_packet,
+    .read_seek = flv_read_seek,
+#if 0
+    .read_seek2 = flv_read_seek2,
+#endif
     .extensions = "flv",
     .value = CODEC_ID_FLV1,
 };