avdevice/decklink_dec: add support for 50/60 fps timecode

[ffmpeg] / libavformat / asfdec_o.c

diff --git a/libavformat/asfdec_o.c b/libavformat/asfdec_o.c
index b4b2698368fc66cc13d7f6d41f3b21312bcd5de0..655ba9f9ef005e438a724be0528a387a1cc23824 100644 (file)
--- a/libavformat/asfdec_o.c
+++ b/libavformat/asfdec_o.c
@@ -147,7 +147,7 @@ typedef struct ASFContext {
 static int detect_unknown_subobject(AVFormatContext *s, int64_t offset, int64_t size);
 static const GUIDParseTable *find_guid(ff_asf_guid guid);
 
-static int asf_probe(AVProbeData *pd)
+static int asf_probe(const AVProbeData *pd)
 {
     /* check file header */
     if (!ff_guidcmp(pd->buf, &ff_asf_header))
@@ -357,7 +357,6 @@ static int asf_set_metadata(AVFormatContext *s, const uint8_t *name,
  * but in reality this is only loosely similar */
 static int asf_read_picture(AVFormatContext *s, int len)
 {
-    ASFContext *asf       = s->priv_data;
     AVPacket pkt          = { 0 };
     const CodecMime *mime = ff_id3v2_mime_tags;
     enum  AVCodecID id    = AV_CODEC_ID_NONE;
@@ -365,7 +364,6 @@ static int asf_read_picture(AVFormatContext *s, int len)
     uint8_t  *desc = NULL;
     AVStream   *st = NULL;
     int ret, type, picsize, desc_len;
-    ASFStream *asf_st;
 
     /* type + picsize + mime + desc */
     if (len < 1 + 4 + 2 + 2) {
@@ -422,22 +420,14 @@ static int asf_read_picture(AVFormatContext *s, int len)
         ret = AVERROR(ENOMEM);
         goto fail;
     }
-    asf->asf_st[asf->nb_streams] = av_mallocz(sizeof(*asf_st));
-    asf_st = asf->asf_st[asf->nb_streams];
-    if (!asf_st) {
-        ret = AVERROR(ENOMEM);
-        goto fail;
-    }
 
     st->disposition              |= AV_DISPOSITION_ATTACHED_PIC;
-    st->codecpar->codec_type      = asf_st->type = AVMEDIA_TYPE_VIDEO;
+    st->codecpar->codec_type      = AVMEDIA_TYPE_VIDEO;
     st->codecpar->codec_id        = id;
     st->attached_pic              = pkt;
-    st->attached_pic.stream_index = asf_st->index = st->index;
+    st->attached_pic.stream_index = st->index;
     st->attached_pic.flags       |= AV_PKT_FLAG_KEY;
 
-    asf->nb_streams++;
-
     if (*desc) {
         if (av_dict_set(&st->metadata, "title", desc, AV_DICT_DONT_STRDUP_VAL) < 0)
             av_log(s, AV_LOG_WARNING, "av_dict_set failed.\n");
@@ -461,8 +451,8 @@ static void get_id3_tag(AVFormatContext *s, int len)
 
     ff_id3v2_read(s, ID3v2_DEFAULT_MAGIC, &id3v2_extra_meta, len);
     if (id3v2_extra_meta) {
-        ff_id3v2_parse_apic(s, &id3v2_extra_meta);
-        ff_id3v2_parse_chapters(s, &id3v2_extra_meta);
+        ff_id3v2_parse_apic(s, id3v2_extra_meta);
+        ff_id3v2_parse_chapters(s, id3v2_extra_meta);
     }
     ff_id3v2_free_extra_meta(&id3v2_extra_meta);
 }
@@ -606,7 +596,8 @@ static int asf_read_metadata_obj(AVFormatContext *s, const GUIDParseTable *g)
         } else {
             if (st_num < ASF_MAX_STREAMS) {
                 if ((ret = process_metadata(s, name, name_len, val_len, type,
-                                            &asf->asf_sd[st_num].asf_met)) < 0) {
+                                            st_num ? &asf->asf_sd[st_num].asf_met
+                                                   : &s->metadata)) < 0) {
                     av_freep(&name);
                     break;
                 }
@@ -1144,9 +1135,7 @@ static void reset_packet(ASFPacket *asf_pkt)
     asf_pkt->duration  = 0;
     asf_pkt->flags     = 0;
     asf_pkt->dts       = 0;
-    asf_pkt->duration  = 0;
     av_packet_unref(&asf_pkt->avpkt);
-    av_init_packet(&asf_pkt->avpkt);
 }
 
 static int asf_read_replicated_data(AVFormatContext *s, ASFPacket *asf_pkt)
@@ -1165,7 +1154,7 @@ static int asf_read_replicated_data(AVFormatContext *s, ASFPacket *asf_pkt)
     } else
         avio_skip(pb, 4); // reading of media object size is already done
     asf_pkt->dts = avio_rl32(pb); // read presentation time
-    if (asf->rep_data_len && (asf->rep_data_len >= 8))
+    if (asf->rep_data_len >= 8)
         avio_skip(pb, asf->rep_data_len - 8); // skip replicated data
 
     return 0;
@@ -1553,14 +1542,7 @@ static void reset_packet_state(AVFormatContext *s)
     asf->sub_dts           = 0;
     for (i = 0; i < asf->nb_streams; i++) {
         ASFPacket *pkt = &asf->asf_st[i]->pkt;
-        pkt->size_left = 0;
-        pkt->data_size = 0;
-        pkt->duration  = 0;
-        pkt->flags     = 0;
-        pkt->dts       = 0;
-        pkt->duration  = 0;
-        av_packet_unref(&pkt->avpkt);
-        av_init_packet(&pkt->avpkt);
+        reset_packet(pkt);
     }
 }
 
@@ -1640,11 +1622,11 @@ static int asf_read_seek(AVFormatContext *s, int stream_index,
     ASFContext *asf = s->priv_data;
     int idx, ret;
 
-    if (s->streams[stream_index]->nb_index_entries && asf->is_simple_index) {
+    if (s->streams[stream_index]->internal->nb_index_entries && asf->is_simple_index) {
         idx = av_index_search_timestamp(s->streams[stream_index], timestamp, flags);
-        if (idx < 0 || idx >= s->streams[stream_index]->nb_index_entries)
+        if (idx < 0 || idx >= s->streams[stream_index]->internal->nb_index_entries)
             return AVERROR_INVALIDDATA;
-        avio_seek(s->pb, s->streams[stream_index]->index_entries[idx].pos, SEEK_SET);
+        avio_seek(s->pb, s->streams[stream_index]->internal->index_entries[idx].pos, SEEK_SET);
     } else {
         if ((ret = ff_seek_frame_binary(s, stream_index, timestamp, flags)) < 0)
             return ret;