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).

11 files changed, 21 insertions, 21 deletions

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