fftools/ffmpeg_enc: move set_encoder_id() to ffmpeg_mux_init

This code uses no encoder properties or state besides its name, and is
mostly muxer logic, and thus belongs more properly into the muxer.

The results of several test change due to different metadata tag order
(the "encoder" tag is now set first).

13 files changed, 49 insertions, 53 deletions

diff --git a/fftools/ffmpeg_enc.c b/fftools/ffmpeg_enc.c
index 499d6ea1f3..1be0a37353 100644
--- a/fftools/ffmpeg_enc.c
+++ b/fftools/ffmpeg_enc.c
@@ -161,31 +161,6 @@ static int hw_device_setup_for_encode(Encoder *e, AVCodecContext *enc_ctx,
     return 0;
 }
 
-static int set_encoder_id(OutputFile *of, OutputStream *ost)
-{
-    const char *cname = ost->enc_ctx->codec->name;
-    uint8_t *encoder_string;
-    int encoder_string_len;
-
-    if (av_dict_get(ost->st->metadata, "encoder",  NULL, 0))
-        return 0;
-
-    encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(cname) + 2;
-    encoder_string     = av_mallocz(encoder_string_len);
-    if (!encoder_string)
-        return AVERROR(ENOMEM);
-
-    if (!of->bitexact && !ost->bitexact)
-        av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
-    else
-        av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
-    av_strlcat(encoder_string, cname, encoder_string_len);
-    av_dict_set(&ost->st->metadata, "encoder",  encoder_string,
-                AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
-
-    return 0;
-}
-
 int enc_open(void *opaque, const AVFrame *frame)
 {
     OutputStream *ost = opaque;
@@ -224,10 +199,6 @@ int enc_open(void *opaque, const AVFrame *frame)
         }
     }
 
-    ret = set_encoder_id(of, ost);
-    if (ret < 0)
-        return ret;
-
     if (ist)
         dec = ist->decoder;
 
diff --git a/fftools/ffmpeg_mux_init.c b/fftools/ffmpeg_mux_init.c
index 47d745aa65..bf2c0b8f67 100644
--- a/fftools/ffmpeg_mux_init.c
+++ b/fftools/ffmpeg_mux_init.c
@@ -1140,6 +1140,28 @@ fail:
     return ret;
 }
 
+static int set_encoder_id(OutputStream *ost, const AVCodec *codec)
+{
+    const char *cname = codec->name;
+    uint8_t *encoder_string;
+    int encoder_string_len;
+
+    encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(cname) + 2;
+    encoder_string     = av_mallocz(encoder_string_len);
+    if (!encoder_string)
+        return AVERROR(ENOMEM);
+
+    if (!ost->file->bitexact && !ost->bitexact)
+        av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
+    else
+        av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
+    av_strlcat(encoder_string, cname, encoder_string_len);
+    av_dict_set(&ost->st->metadata, "encoder",  encoder_string,
+                AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
+
+    return 0;
+}
+
 static int ost_add(Muxer *mux, const OptionsContext *o, enum AVMediaType type,
                    InputStream *ist, OutputFilter *ofilter, const ViewSpecifier *vs,
                    OutputStream **post)
@@ -1406,6 +1428,12 @@ static int ost_add(Muxer *mux, const OptionsContext *o, enum AVMediaType type,
         ost->bitexact        = !!(ost->enc_ctx->flags & AV_CODEC_FLAG_BITEXACT);
     }
 
+    if (enc) {
+        ret = set_encoder_id(ost, enc);
+        if (ret < 0)
+            return ret;
+    }
+
     opt_match_per_stream_str(ost, &o->time_bases, oc, st, &time_base);
     if (time_base) {
         AVRational q;
@@ -2981,9 +3009,6 @@ static int copy_meta(Muxer *mux, const OptionsContext *o)
             if (!ost->ist)         /* this is true e.g. for attached files */
                 continue;
             av_dict_copy(&ost->st->metadata, ost->ist->st->metadata, AV_DICT_DONT_OVERWRITE);
-            if (ost->enc_ctx) {
-                av_dict_set(&ost->st->metadata, "encoder", NULL, 0);
-            }
         }
 
     return 0;
diff --git a/tests/ref/fate/ffprobe_compact b/tests/ref/fate/ffprobe_compact
index 25632fd179..89069792b8 100644
--- a/tests/ref/fate/ffprobe_compact
+++ b/tests/ref/fate/ffprobe_compact
@@ -26,7 +26,7 @@ packet|codec_type=video|stream_index=1|pts=6144|pts_time=0.120000|dts=6144|dts_t
 frame|media_type=video|stream_index=1|key_frame=1|pts=6144|pts_time=0.120000|pkt_dts=6144|pkt_dts_time=0.120000|best_effort_timestamp=6144|best_effort_timestamp_time=0.120000|duration=2048|duration_time=0.040000|pkt_pos=793142|pkt_size=230400|width=320|height=240|crop_top=0|crop_bottom=0|crop_left=0|crop_right=0|pix_fmt=rgb24|sample_aspect_ratio=1:1|pict_type=I|interlaced_frame=0|top_field_first=0|repeat_pict=0|color_range=unknown|color_space=unknown|color_primaries=unknown|color_transfer=unknown|chroma_location=unspecified
 packet|codec_type=video|stream_index=2|pts=6144|pts_time=0.120000|dts=6144|dts_time=0.120000|duration=2048|duration_time=0.040000|size=30000|pos=1023566|flags=K__
 frame|media_type=video|stream_index=2|key_frame=1|pts=6144|pts_time=0.120000|pkt_dts=6144|pkt_dts_time=0.120000|best_effort_timestamp=6144|best_effort_timestamp_time=0.120000|duration=2048|duration_time=0.040000|pkt_pos=1023566|pkt_size=30000|width=100|height=100|crop_top=0|crop_bottom=0|crop_left=0|crop_right=0|pix_fmt=rgb24|sample_aspect_ratio=1:1|pict_type=I|interlaced_frame=0|top_field_first=0|repeat_pict=0|color_range=unknown|color_space=unknown|color_primaries=unknown|color_transfer=unknown|chroma_location=unspecified
-stream|index=0|codec_name=pcm_s16le|profile=unknown|codec_type=audio|codec_tag_string=PSD[16]|codec_tag=0x10445350|sample_fmt=s16|sample_rate=44100|channels=1|channel_layout=unknown|bits_per_sample=16|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/44100|start_pts=0|start_time=0.000000|duration_ts=N/A|duration=N/A|bit_rate=705600|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=6|nb_read_packets=6|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0|disposition:multilayer=0|tag:E=mc²|tag:encoder=Lavc pcm_s16le
-stream|index=1|codec_name=rawvideo|profile=unknown|codec_type=video|codec_tag_string=RGB[24]|codec_tag=0x18424752|width=320|height=240|coded_width=320|coded_height=240|closed_captions=0|film_grain=0|has_b_frames=0|sample_aspect_ratio=1:1|display_aspect_ratio=4:3|pix_fmt=rgb24|level=-99|color_range=unknown|color_space=unknown|color_transfer=unknown|color_primaries=unknown|chroma_location=unspecified|field_order=unknown|refs=1|id=N/A|r_frame_rate=25/1|avg_frame_rate=25/1|time_base=1/51200|start_pts=0|start_time=0.000000|duration_ts=N/A|duration=N/A|bit_rate=N/A|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=4|nb_read_packets=4|disposition:default=1|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0|disposition:multilayer=0|tag:title=foobar|tag:duration_ts=field-and-tags-conflict-attempt|tag:encoder=Lavc rawvideo
+stream|index=0|codec_name=pcm_s16le|profile=unknown|codec_type=audio|codec_tag_string=PSD[16]|codec_tag=0x10445350|sample_fmt=s16|sample_rate=44100|channels=1|channel_layout=unknown|bits_per_sample=16|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/44100|start_pts=0|start_time=0.000000|duration_ts=N/A|duration=N/A|bit_rate=705600|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=6|nb_read_packets=6|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0|disposition:multilayer=0|tag:encoder=Lavc pcm_s16le|tag:E=mc²
+stream|index=1|codec_name=rawvideo|profile=unknown|codec_type=video|codec_tag_string=RGB[24]|codec_tag=0x18424752|width=320|height=240|coded_width=320|coded_height=240|closed_captions=0|film_grain=0|has_b_frames=0|sample_aspect_ratio=1:1|display_aspect_ratio=4:3|pix_fmt=rgb24|level=-99|color_range=unknown|color_space=unknown|color_transfer=unknown|color_primaries=unknown|chroma_location=unspecified|field_order=unknown|refs=1|id=N/A|r_frame_rate=25/1|avg_frame_rate=25/1|time_base=1/51200|start_pts=0|start_time=0.000000|duration_ts=N/A|duration=N/A|bit_rate=N/A|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=4|nb_read_packets=4|disposition:default=1|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0|disposition:multilayer=0|tag:encoder=Lavc rawvideo|tag:title=foobar|tag:duration_ts=field-and-tags-conflict-attempt
 stream|index=2|codec_name=rawvideo|profile=unknown|codec_type=video|codec_tag_string=RGB[24]|codec_tag=0x18424752|width=100|height=100|coded_width=100|coded_height=100|closed_captions=0|film_grain=0|has_b_frames=0|sample_aspect_ratio=1:1|display_aspect_ratio=1:1|pix_fmt=rgb24|level=-99|color_range=unknown|color_space=unknown|color_transfer=unknown|color_primaries=unknown|chroma_location=unspecified|field_order=unknown|refs=1|id=N/A|r_frame_rate=25/1|avg_frame_rate=25/1|time_base=1/51200|start_pts=0|start_time=0.000000|duration_ts=N/A|duration=N/A|bit_rate=N/A|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=4|nb_read_packets=4|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0|disposition:multilayer=0|tag:encoder=Lavc rawvideo
 format|filename=tests/data/ffprobe-test.nut|nb_streams=3|nb_programs=0|nb_stream_groups=0|format_name=nut|start_time=0.000000|duration=0.120000|size=1053646|bit_rate=70243066|probe_score=100|tag:title=ffprobe test file|tag:comment='A comment with CSV, XML & JSON special chars': <tag value="x">|tag:comment2=I ♥ Üñîçød€
diff --git a/tests/ref/fate/ffprobe_csv b/tests/ref/fate/ffprobe_csv
index defe72d4c4..8eb267fe22 100644
--- a/tests/ref/fate/ffprobe_csv
+++ b/tests/ref/fate/ffprobe_csv
@@ -26,7 +26,7 @@ packet,video,1,6144,0.120000,6144,0.120000,2048,0.040000,230400,793142,K__
 frame,video,1,1,6144,0.120000,6144,0.120000,6144,0.120000,2048,0.040000,793142,230400,320,240,0,0,0,0,rgb24,1:1,I,0,0,0,unknown,unknown,unknown,unknown,unspecified
 packet,video,2,6144,0.120000,6144,0.120000,2048,0.040000,30000,1023566,K__
 frame,video,2,1,6144,0.120000,6144,0.120000,6144,0.120000,2048,0.040000,1023566,30000,100,100,0,0,0,0,rgb24,1:1,I,0,0,0,unknown,unknown,unknown,unknown,unspecified
-stream,0,pcm_s16le,unknown,audio,PSD[16],0x10445350,s16,44100,1,unknown,16,0,N/A,0/0,0/0,1/44100,0,0.000000,N/A,N/A,705600,N/A,N/A,N/A,6,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,mc²,Lavc pcm_s16le
-stream,1,rawvideo,unknown,video,RGB[24],0x18424752,320,240,320,240,0,0,0,1:1,4:3,rgb24,-99,unknown,unknown,unknown,unknown,unspecified,unknown,1,N/A,25/1,25/1,1/51200,0,0.000000,N/A,N/A,N/A,N/A,N/A,N/A,4,4,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,foobar,field-and-tags-conflict-attempt,Lavc rawvideo
+stream,0,pcm_s16le,unknown,audio,PSD[16],0x10445350,s16,44100,1,unknown,16,0,N/A,0/0,0/0,1/44100,0,0.000000,N/A,N/A,705600,N/A,N/A,N/A,6,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,Lavc pcm_s16le,mc²
+stream,1,rawvideo,unknown,video,RGB[24],0x18424752,320,240,320,240,0,0,0,1:1,4:3,rgb24,-99,unknown,unknown,unknown,unknown,unspecified,unknown,1,N/A,25/1,25/1,1/51200,0,0.000000,N/A,N/A,N/A,N/A,N/A,N/A,4,4,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,Lavc rawvideo,foobar,field-and-tags-conflict-attempt
 stream,2,rawvideo,unknown,video,RGB[24],0x18424752,100,100,100,100,0,0,0,1:1,1:1,rgb24,-99,unknown,unknown,unknown,unknown,unspecified,unknown,1,N/A,25/1,25/1,1/51200,0,0.000000,N/A,N/A,N/A,N/A,N/A,N/A,4,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,Lavc rawvideo
 format,tests/data/ffprobe-test.nut,3,0,0,nut,0.000000,0.120000,1053646,70243066,100,ffprobe test file,"'A comment with CSV, XML & JSON special chars': <tag value=""x"">",I ♥ Üñîçød€
diff --git a/tests/ref/fate/ffprobe_default b/tests/ref/fate/ffprobe_default
index ac55749295..6596a06b0c 100644
--- a/tests/ref/fate/ffprobe_default
+++ b/tests/ref/fate/ffprobe_default
@@ -596,8 +596,8 @@ DISPOSITION:metadata=0
 DISPOSITION:dependent=0
 DISPOSITION:still_image=0
 DISPOSITION:multilayer=0
-TAG:E=mc²
 TAG:encoder=Lavc pcm_s16le
+TAG:E=mc²
 [/STREAM]
 [STREAM]
 index=1
@@ -657,9 +657,9 @@ DISPOSITION:metadata=0
 DISPOSITION:dependent=0
 DISPOSITION:still_image=0
 DISPOSITION:multilayer=0
+TAG:encoder=Lavc rawvideo
 TAG:title=foobar
 TAG:duration_ts=field-and-tags-conflict-attempt
-TAG:encoder=Lavc rawvideo
 [/STREAM]
 [STREAM]
 index=2
diff --git a/tests/ref/fate/ffprobe_flat b/tests/ref/fate/ffprobe_flat
index e1aefe6afb..110b06e0ea 100644
--- a/tests/ref/fate/ffprobe_flat
+++ b/tests/ref/fate/ffprobe_flat
@@ -539,8 +539,8 @@ streams.stream.0.disposition.metadata=0
 streams.stream.0.disposition.dependent=0
 streams.stream.0.disposition.still_image=0
 streams.stream.0.disposition.multilayer=0
-streams.stream.0.tags.E="mc²"
 streams.stream.0.tags.encoder="Lavc pcm_s16le"
+streams.stream.0.tags.E="mc²"
 streams.stream.1.index=1
 streams.stream.1.codec_name="rawvideo"
 streams.stream.1.profile="unknown"
@@ -598,9 +598,9 @@ streams.stream.1.disposition.metadata=0
 streams.stream.1.disposition.dependent=0
 streams.stream.1.disposition.still_image=0
 streams.stream.1.disposition.multilayer=0
+streams.stream.1.tags.encoder="Lavc rawvideo"
 streams.stream.1.tags.title="foobar"
 streams.stream.1.tags.duration_ts="field-and-tags-conflict-attempt"
-streams.stream.1.tags.encoder="Lavc rawvideo"
 streams.stream.2.index=2
 streams.stream.2.codec_name="rawvideo"
 streams.stream.2.profile="unknown"
diff --git a/tests/ref/fate/ffprobe_ini b/tests/ref/fate/ffprobe_ini
index 4d046539d6..9ab4df9ddb 100644
--- a/tests/ref/fate/ffprobe_ini
+++ b/tests/ref/fate/ffprobe_ini
@@ -602,8 +602,8 @@ still_image=0
 multilayer=0
 
 [streams.stream.0.tags]
-E=mc²
 encoder=Lavc pcm_s16le
+E=mc²
 
 [streams.stream.1]
 index=1
@@ -667,9 +667,9 @@ still_image=0
 multilayer=0
 
 [streams.stream.1.tags]
+encoder=Lavc rawvideo
 title=foobar
 duration_ts=field-and-tags-conflict-attempt
-encoder=Lavc rawvideo
 
 [streams.stream.2]
 index=2
diff --git a/tests/ref/fate/ffprobe_json b/tests/ref/fate/ffprobe_json
index 5583063eb4..9d497517fe 100644
--- a/tests/ref/fate/ffprobe_json
+++ b/tests/ref/fate/ffprobe_json
@@ -577,8 +577,8 @@
                 "multilayer": 0
             },
             "tags": {
-                "E": "mc²",
-                "encoder": "Lavc pcm_s16le"
+                "encoder": "Lavc pcm_s16le",
+                "E": "mc²"
             }
         },
         {
@@ -628,9 +628,9 @@
                 "multilayer": 0
             },
             "tags": {
+                "encoder": "Lavc rawvideo",
                 "title": "foobar",
-                "duration_ts": "field-and-tags-conflict-attempt",
-                "encoder": "Lavc rawvideo"
+                "duration_ts": "field-and-tags-conflict-attempt"
             }
         },
         {
diff --git a/tests/ref/fate/ffprobe_xml b/tests/ref/fate/ffprobe_xml
index 3b41121902..c0d41e6f20 100644
--- a/tests/ref/fate/ffprobe_xml
+++ b/tests/ref/fate/ffprobe_xml
@@ -35,16 +35,16 @@
         <stream index="0" codec_name="pcm_s16le" codec_type="audio" codec_tag_string="PSD[16]" codec_tag="0x10445350" sample_fmt="s16" sample_rate="44100" channels="1" bits_per_sample="16" initial_padding="0" r_frame_rate="0/0" avg_frame_rate="0/0" time_base="1/44100" start_pts="0" start_time="0.000000" bit_rate="705600" nb_read_frames="6" nb_read_packets="6">
             <disposition default="0" dub="0" original="0" comment="0" lyrics="0" karaoke="0" forced="0" hearing_impaired="0" visual_impaired="0" clean_effects="0" attached_pic="0" timed_thumbnails="0" non_diegetic="0" captions="0" descriptions="0" metadata="0" dependent="0" still_image="0" multilayer="0"/>
             <tags>
-                <tag key="E" value="mc²"/>
                 <tag key="encoder" value="Lavc pcm_s16le"/>
+                <tag key="E" value="mc²"/>
             </tags>
         </stream>
         <stream index="1" codec_name="rawvideo" codec_type="video" codec_tag_string="RGB[24]" codec_tag="0x18424752" width="320" height="240" coded_width="320" coded_height="240" closed_captions="0" film_grain="0" has_b_frames="0" sample_aspect_ratio="1:1" display_aspect_ratio="4:3" pix_fmt="rgb24" level="-99" refs="1" r_frame_rate="25/1" avg_frame_rate="25/1" time_base="1/51200" start_pts="0" start_time="0.000000" nb_read_frames="4" nb_read_packets="4">
             <disposition default="1" dub="0" original="0" comment="0" lyrics="0" karaoke="0" forced="0" hearing_impaired="0" visual_impaired="0" clean_effects="0" attached_pic="0" timed_thumbnails="0" non_diegetic="0" captions="0" descriptions="0" metadata="0" dependent="0" still_image="0" multilayer="0"/>
             <tags>
+                <tag key="encoder" value="Lavc rawvideo"/>
                 <tag key="title" value="foobar"/>
                 <tag key="duration_ts" value="field-and-tags-conflict-attempt"/>
-                <tag key="encoder" value="Lavc rawvideo"/>
             </tags>
         </stream>
         <stream index="2" codec_name="rawvideo" codec_type="video" codec_tag_string="RGB[24]" codec_tag="0x18424752" width="100" height="100" coded_width="100" coded_height="100" closed_captions="0" film_grain="0" has_b_frames="0" sample_aspect_ratio="1:1" display_aspect_ratio="1:1" pix_fmt="rgb24" level="-99" refs="1" r_frame_rate="25/1" avg_frame_rate="25/1" time_base="1/51200" start_pts="0" start_time="0.000000" nb_read_frames="4" nb_read_packets="4">
diff --git a/tests/ref/fate/ffprobe_xsd b/tests/ref/fate/ffprobe_xsd
index d5eb0a3a46..887f3ea1c6 100644
--- a/tests/ref/fate/ffprobe_xsd
+++ b/tests/ref/fate/ffprobe_xsd
@@ -35,16 +35,16 @@
         <stream index="0" codec_name="pcm_s16le" codec_type="audio" codec_tag_string="PSD[16]" codec_tag="0x10445350" sample_fmt="s16" sample_rate="44100" channels="1" bits_per_sample="16" initial_padding="0" r_frame_rate="0/0" avg_frame_rate="0/0" time_base="1/44100" start_pts="0" start_time="0.000000" bit_rate="705600" nb_read_frames="6" nb_read_packets="6">
             <disposition default="0" dub="0" original="0" comment="0" lyrics="0" karaoke="0" forced="0" hearing_impaired="0" visual_impaired="0" clean_effects="0" attached_pic="0" timed_thumbnails="0" non_diegetic="0" captions="0" descriptions="0" metadata="0" dependent="0" still_image="0" multilayer="0"/>
             <tags>
-                <tag key="E" value="mc²"/>
                 <tag key="encoder" value="Lavc pcm_s16le"/>
+                <tag key="E" value="mc²"/>
             </tags>
         </stream>
         <stream index="1" codec_name="rawvideo" codec_type="video" codec_tag_string="RGB[24]" codec_tag="0x18424752" width="320" height="240" coded_width="320" coded_height="240" closed_captions="0" film_grain="0" has_b_frames="0" sample_aspect_ratio="1:1" display_aspect_ratio="4:3" pix_fmt="rgb24" level="-99" refs="1" r_frame_rate="25/1" avg_frame_rate="25/1" time_base="1/51200" start_pts="0" start_time="0.000000" nb_read_frames="4" nb_read_packets="4">
             <disposition default="1" dub="0" original="0" comment="0" lyrics="0" karaoke="0" forced="0" hearing_impaired="0" visual_impaired="0" clean_effects="0" attached_pic="0" timed_thumbnails="0" non_diegetic="0" captions="0" descriptions="0" metadata="0" dependent="0" still_image="0" multilayer="0"/>
             <tags>
+                <tag key="encoder" value="Lavc rawvideo"/>
                 <tag key="title" value="foobar"/>
                 <tag key="duration_ts" value="field-and-tags-conflict-attempt"/>
-                <tag key="encoder" value="Lavc rawvideo"/>
             </tags>
         </stream>
         <stream index="2" codec_name="rawvideo" codec_type="video" codec_tag_string="RGB[24]" codec_tag="0x18424752" width="100" height="100" coded_width="100" coded_height="100" closed_captions="0" film_grain="0" has_b_frames="0" sample_aspect_ratio="1:1" display_aspect_ratio="1:1" pix_fmt="rgb24" level="-99" refs="1" r_frame_rate="25/1" avg_frame_rate="25/1" time_base="1/51200" start_pts="0" start_time="0.000000" nb_read_frames="4" nb_read_packets="4">
diff --git a/tests/ref/fate/matroska-encoding-delay b/tests/ref/fate/matroska-encoding-delay
index b828dec2e6..cfa1675b94 100644
--- a/tests/ref/fate/matroska-encoding-delay
+++ b/tests/ref/fate/matroska-encoding-delay
@@ -1,4 +1,4 @@
-604531e6d08cb35b2f3eec838ac45b80 *tests/data/fate/matroska-encoding-delay.matroska
+ece637ed28526724c88f5c69b8bf7d6f *tests/data/fate/matroska-encoding-delay.matroska
 961252 tests/data/fate/matroska-encoding-delay.matroska
 #extradata 0:       22, 0x32ea0490
 #tb 0: 1/1000
diff --git a/tests/ref/fate/matroska-mastering-display-metadata b/tests/ref/fate/matroska-mastering-display-metadata
index 53f84c1793..91ce6a0558 100644
--- a/tests/ref/fate/matroska-mastering-display-metadata
+++ b/tests/ref/fate/matroska-mastering-display-metadata
@@ -1,4 +1,4 @@
-9d0fb8123a2e90e85153428a91d1ee9d *tests/data/fate/matroska-mastering-display-metadata.matroska
+ad5e3c4e338599c81ef7d0f9ae25f871 *tests/data/fate/matroska-mastering-display-metadata.matroska
 1669589 tests/data/fate/matroska-mastering-display-metadata.matroska
 #extradata 0:        4, 0x040901a3
 #extradata 3:      200, 0x506463a8
diff --git a/tests/ref/fate/rgb24-mkv b/tests/ref/fate/rgb24-mkv
index 1cbed136dd..5f4cb78318 100644
--- a/tests/ref/fate/rgb24-mkv
+++ b/tests/ref/fate/rgb24-mkv
@@ -1,4 +1,4 @@
-7d767e8238c674ecfa80458cb281c09e *tests/data/fate/rgb24-mkv.matroska
+0013b260aa50b70d1a00d9770581a177 *tests/data/fate/rgb24-mkv.matroska
 58236 tests/data/fate/rgb24-mkv.matroska
 #tb 0: 1/10
 #media_type 0: video