diff --git a/libavformat/asfdec_f.c b/libavformat/asfdec_f.c
index 103155e9e7..b92434db9e 100644
--- a/libavformat/asfdec_f.c
+++ b/libavformat/asfdec_f.c
@@ -479,7 +479,7 @@ static int asf_read_stream_properties(AVFormatContext *s, int64_t size)
         if (is_dvr_ms_audio) {
             // codec_id and codec_tag are unreliable in dvr_ms
             // files. Set them later by probing stream.
-            st->request_probe    = 1;
+            st->internal->request_probe    = 1;
             st->codecpar->codec_tag = 0;
         }
         if (st->codecpar->codec_id == AV_CODEC_ID_AAC)
diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 8028b1b558..ed0ed0d3e1 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -1087,19 +1087,6 @@ typedef struct AVStream {
     int64_t interleaver_chunk_size;
     int64_t interleaver_chunk_duration;
 
-    /**
-     * stream probing state
-     * -1   -> probing finished
-     *  0   -> no probing requested
-     * rest -> perform probing with request_probe being the minimum score to accept.
-     */
-    int request_probe;
-    /**
-     * Indicates that everything up to the next keyframe
-     * should be discarded.
-     */
-    int skip_to_keyframe;
-
     /**
      * An opaque field for libavformat internal usage.
      * Must not be accessed in any way by callers.
diff --git a/libavformat/avidec.c b/libavformat/avidec.c
index 9765e5e7b2..89a9443821 100644
--- a/libavformat/avidec.c
+++ b/libavformat/avidec.c
@@ -901,7 +901,7 @@ static int avi_read_header(AVFormatContext *s)
                     break;
                 case AVMEDIA_TYPE_SUBTITLE:
                     st->codecpar->codec_type = AVMEDIA_TYPE_SUBTITLE;
-                    st->request_probe= 1;
+                    st->internal->request_probe= 1;
                     avio_skip(pb, size);
                     break;
                 default:
diff --git a/libavformat/internal.h b/libavformat/internal.h
index 12105aa7d0..d8ceebb26e 100644
--- a/libavformat/internal.h
+++ b/libavformat/internal.h
@@ -225,6 +225,19 @@ struct AVStreamInternal {
 
     } *info;
 
+    /**
+     * stream probing state
+     * -1   -> probing finished
+     *  0   -> no probing requested
+     * rest -> perform probing with request_probe being the minimum score to accept.
+     */
+    int request_probe;
+    /**
+     * Indicates that everything up to the next keyframe
+     * should be discarded.
+     */
+    int skip_to_keyframe;
+
     /**
      * Number of samples to skip at the start of the frame decoded from the next packet.
      */
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index 545559423c..a183026359 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -3597,7 +3597,7 @@ static int matroska_parse_block(MatroskaDemuxContext *matroska, AVBufferRef *buf
             return res;
         if (is_keyframe)
             matroska->skip_to_keyframe = 0;
-        else if (!st->skip_to_keyframe) {
+        else if (!st->internal->skip_to_keyframe) {
             av_log(matroska->ctx, AV_LOG_ERROR, "File is broken, keyframes not correctly marked!\n");
             matroska->skip_to_keyframe = 0;
         }
@@ -3794,10 +3794,10 @@ static int matroska_read_seek(AVFormatContext *s, int stream_index,
     /* We seek to a level 1 element, so set the appropriate status. */
     matroska_reset_status(matroska, 0, st->index_entries[index].pos);
     if (flags & AVSEEK_FLAG_ANY) {
-        st->skip_to_keyframe = 0;
+        st->internal->skip_to_keyframe = 0;
         matroska->skip_to_timecode = timestamp;
     } else {
-        st->skip_to_keyframe = 1;
+        st->internal->skip_to_keyframe = 1;
         matroska->skip_to_timecode = st->index_entries[index].timestamp;
     }
     matroska->skip_to_keyframe = 1;
@@ -3810,7 +3810,7 @@ err:
     matroska_reset_status(matroska, 0, -1);
     matroska->resync_pos = -1;
     matroska_clear_queue(matroska);
-    st->skip_to_keyframe =
+    st->internal->skip_to_keyframe =
     matroska->skip_to_keyframe = 0;
     matroska->done = 0;
     return -1;
diff --git a/libavformat/mpeg.c b/libavformat/mpeg.c
index a5e17925ce..20d1e10168 100644
--- a/libavformat/mpeg.c
+++ b/libavformat/mpeg.c
@@ -622,7 +622,7 @@ skip:
         st->codecpar->channel_layout = AV_CH_LAYOUT_MONO;
         st->codecpar->sample_rate = 8000;
     }
-    st->request_probe     = request_probe;
+    st->internal->request_probe     = request_probe;
     st->need_parsing      = AVSTREAM_PARSE_FULL;
 
 found:
diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index b1b65d3887..7cf14a1d13 100644
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -882,7 +882,7 @@ static void mpegts_find_stream_type(AVStream *st,
                 st->codecpar->codec_id   = types->codec_id;
                 st->internal->need_context_update = 1;
             }
-            st->request_probe        = 0;
+            st->internal->request_probe        = 0;
             return;
         }
 }
@@ -915,7 +915,7 @@ static int mpegts_set_stream_info(AVStream *st, PESContext *pes,
 
     mpegts_find_stream_type(st, pes->stream_type, ISO_types);
     if (pes->stream_type == 4 || pes->stream_type == 0x0f)
-        st->request_probe = 50;
+        st->internal->request_probe = 50;
     if ((prog_reg_desc == AV_RL32("HDMV") ||
          prog_reg_desc == AV_RL32("HDPR")) &&
         st->codecpar->codec_id == AV_CODEC_ID_NONE) {
@@ -952,12 +952,12 @@ static int mpegts_set_stream_info(AVStream *st, PESContext *pes,
         st->codecpar->codec_type = old_codec_type;
     }
     if ((st->codecpar->codec_id == AV_CODEC_ID_NONE ||
-            (st->request_probe > 0 && st->request_probe < AVPROBE_SCORE_STREAM_RETRY / 5)) &&
+            (st->internal->request_probe > 0 && st->internal->request_probe < AVPROBE_SCORE_STREAM_RETRY / 5)) &&
         st->probe_packets > 0 &&
         stream_type == STREAM_TYPE_PRIVATE_DATA) {
         st->codecpar->codec_type = AVMEDIA_TYPE_DATA;
         st->codecpar->codec_id   = AV_CODEC_ID_BIN_DATA;
-        st->request_probe = AVPROBE_SCORE_STREAM_RETRY / 5;
+        st->internal->request_probe = AVPROBE_SCORE_STREAM_RETRY / 5;
     }
 
     /* queue a context update if properties changed */
@@ -1198,12 +1198,12 @@ static int mpegts_push_data(MpegTSFilter *filter,
                         code != 0x1ff && code != 0x1f2 && /* program_stream_directory, DSMCC_stream */
                         code != 0x1f8) {                  /* ITU-T Rec. H.222.1 type E stream */
                         pes->state = MPEGTS_PESHEADER;
-                        if (pes->st->codecpar->codec_id == AV_CODEC_ID_NONE && !pes->st->request_probe) {
+                        if (pes->st->codecpar->codec_id == AV_CODEC_ID_NONE && !pes->st->internal->request_probe) {
                             av_log(pes->stream, AV_LOG_TRACE,
                                     "pid=%x stream_type=%x probing\n",
                                     pes->pid,
                                     pes->stream_type);
-                            pes->st->request_probe = 1;
+                            pes->st->internal->request_probe = 1;
                         }
                     } else {
                         pes->pes_header_size = 6;
@@ -1799,7 +1799,7 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type
 
     av_log(fc, AV_LOG_TRACE, "tag: 0x%02x len=%d\n", desc_tag, desc_len);
 
-    if ((st->codecpar->codec_id == AV_CODEC_ID_NONE || st->request_probe > 0) &&
+    if ((st->codecpar->codec_id == AV_CODEC_ID_NONE || st->internal->request_probe > 0) &&
         stream_type == STREAM_TYPE_PRIVATE_DATA)
         mpegts_find_stream_type(st, desc_tag, DESC_types);
 
@@ -1837,8 +1837,8 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type
             break;
         if (mp4_descr_count > 0 &&
             (st->codecpar->codec_id == AV_CODEC_ID_AAC_LATM ||
-             (st->request_probe == 0 && st->codecpar->codec_id == AV_CODEC_ID_NONE) ||
-             st->request_probe > 0) &&
+             (st->internal->request_probe == 0 && st->codecpar->codec_id == AV_CODEC_ID_NONE) ||
+             st->internal->request_probe > 0) &&
             mp4_descr->dec_config_descr_len && mp4_descr->es_id == pid) {
             AVIOContext pb;
             ffio_init_context(&pb, mp4_descr->dec_config_descr,
@@ -1847,7 +1847,7 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type
             ff_mp4_read_dec_config_descr(fc, st, &pb);
             if (st->codecpar->codec_id == AV_CODEC_ID_AAC &&
                 st->codecpar->extradata_size > 0) {
-                st->request_probe = st->need_parsing = 0;
+                st->internal->request_probe = st->need_parsing = 0;
                 st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
                 st->internal->need_context_update = 1;
             }
@@ -1987,10 +1987,10 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type
     case 0x05: /* registration descriptor */
         st->codecpar->codec_tag = bytestream_get_le32(pp);
         av_log(fc, AV_LOG_TRACE, "reg_desc=%.4s\n", (char *)&st->codecpar->codec_tag);
-        if (st->codecpar->codec_id == AV_CODEC_ID_NONE || st->request_probe > 0) {
+        if (st->codecpar->codec_id == AV_CODEC_ID_NONE || st->internal->request_probe > 0) {
             mpegts_find_stream_type(st, st->codecpar->codec_tag, REGD_types);
             if (st->codecpar->codec_tag == MKTAG('B', 'S', 'S', 'D'))
-                st->request_probe = 50;
+                st->internal->request_probe = 50;
         }
         break;
     case 0x52: /* stream identifier descriptor */
@@ -2143,7 +2143,7 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type
             st->codecpar->codec_type = AVMEDIA_TYPE_SUBTITLE;
             st->codecpar->codec_id   = AV_CODEC_ID_ARIB_CAPTION;
             st->codecpar->profile    = picked_profile;
-            st->request_probe        = 0;
+            st->internal->request_probe        = 0;
         }
         break;
     case 0xb0: /* DOVI video stream descriptor */
diff --git a/libavformat/utils.c b/libavformat/utils.c
index 9fd79ee540..acb9bd1cee 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -365,7 +365,7 @@ static int set_codec_from_probe_data(AVFormatContext *s, AVStream *st,
                 if (fmt_id_type[i].type != AVMEDIA_TYPE_AUDIO &&
                     st->codecpar->sample_rate)
                     continue;
-                if (st->request_probe > score &&
+                if (st->internal->request_probe > score &&
                     st->codecpar->codec_id != fmt_id_type[i].id)
                     continue;
                 st->codecpar->codec_id   = fmt_id_type[i].id;
@@ -675,7 +675,7 @@ static void force_codec_ids(AVFormatContext *s, AVStream *st)
 
 static int probe_codec(AVFormatContext *s, AVStream *st, const AVPacket *pkt)
 {
-    if (st->request_probe>0) {
+    if (st->internal->request_probe>0) {
         AVProbeData *pd = &st->probe_data;
         int end;
         av_log(s, AV_LOG_DEBUG, "probing stream %d pp:%d\n", st->index, st->probe_packets);
@@ -711,7 +711,7 @@ no_packet:
                 || end) {
                 pd->buf_size = 0;
                 av_freep(&pd->buf);
-                st->request_probe = -1;
+                st->internal->request_probe = -1;
                 if (st->codecpar->codec_id != AV_CODEC_ID_NONE) {
                     av_log(s, AV_LOG_DEBUG, "probed stream %d\n", st->index);
                 } else
@@ -807,7 +807,7 @@ int ff_read_packet(AVFormatContext *s, AVPacket *pkt)
             if (s->internal->raw_packet_buffer_remaining_size <= 0)
                 if ((err = probe_codec(s, st, NULL)) < 0)
                     return err;
-            if (st->request_probe <= 0) {
+            if (st->internal->request_probe <= 0) {
                 avpriv_packet_list_get(&s->internal->raw_packet_buffer,
                                    &s->internal->raw_packet_buffer_end, pkt);
                 s->internal->raw_packet_buffer_remaining_size += pkt->size;
@@ -828,10 +828,10 @@ int ff_read_packet(AVFormatContext *s, AVPacket *pkt)
                 return ret;
             for (i = 0; i < s->nb_streams; i++) {
                 st = s->streams[i];
-                if (st->probe_packets || st->request_probe > 0)
+                if (st->probe_packets || st->internal->request_probe > 0)
                     if ((err = probe_codec(s, st, NULL)) < 0)
                         return err;
-                av_assert0(st->request_probe <= 0);
+                av_assert0(st->internal->request_probe <= 0);
             }
             continue;
         }
@@ -878,7 +878,7 @@ int ff_read_packet(AVFormatContext *s, AVPacket *pkt)
         if (s->use_wallclock_as_timestamps)
             pkt->dts = pkt->pts = av_rescale_q(av_gettime(), AV_TIME_BASE_Q, st->time_base);
 
-        if (!pktl && st->request_probe <= 0)
+        if (!pktl && st->internal->request_probe <= 0)
             return ret;
 
         err = avpriv_packet_list_put(&s->internal->raw_packet_buffer,
@@ -1625,8 +1625,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
             av_packet_unref(pkt);
         }
         if (pkt->flags & AV_PKT_FLAG_KEY)
-            st->skip_to_keyframe = 0;
-        if (st->skip_to_keyframe) {
+            st->internal->skip_to_keyframe = 0;
+        if (st->internal->skip_to_keyframe) {
             av_packet_unref(pkt);
             got_packet = 0;
         }
@@ -3606,7 +3606,7 @@ FF_DISABLE_DEPRECATION_WARNINGS
 FF_ENABLE_DEPRECATION_WARNINGS
 #endif
         // only for the split stuff
-        if (!st->parser && !(ic->flags & AVFMT_FLAG_NOPARSE) && st->request_probe <= 0) {
+        if (!st->parser && !(ic->flags & AVFMT_FLAG_NOPARSE) && st->internal->request_probe <= 0) {
             st->parser = av_parser_init(st->codecpar->codec_id);
             if (st->parser) {
                 if (st->need_parsing == AVSTREAM_PARSE_HEADERS) {
@@ -3627,7 +3627,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
         ret = avcodec_parameters_to_context(avctx, st->codecpar);
         if (ret < 0)
             goto find_stream_info_err;
-        if (st->request_probe <= 0)
+        if (st->internal->request_probe <= 0)
             st->internal->avctx_inited = 1;
 
         codec = find_probe_decoder(ic, st, st->codecpar->codec_id);
@@ -3648,7 +3648,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
         }
 
         // Try to just open decoders, in case this is enough to get parameters.
-        if (!has_codec_parameters(st, NULL) && st->request_probe <= 0) {
+        if (!has_codec_parameters(st, NULL) && st->internal->request_probe <= 0) {
             if (codec && !avctx->codec)
                 if (avcodec_open2(avctx, codec, options ? &options[i] : &thread_opt) < 0)
                     av_log(ic, AV_LOG_WARNING,
diff --git a/libavformat/wavdec.c b/libavformat/wavdec.c
index d6ab0dde35..bca186a66f 100644
--- a/libavformat/wavdec.c
+++ b/libavformat/wavdec.c
@@ -154,7 +154,7 @@ static int wav_probe(const AVProbeData *p)
 static void handle_stream_probing(AVStream *st)
 {
     if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S16LE) {
-        st->request_probe = AVPROBE_SCORE_EXTENSION;
+        st->internal->request_probe = AVPROBE_SCORE_EXTENSION;
         st->probe_packets = FFMIN(st->probe_packets, 32);
     }
 }
