lavc: do not init frame with guessed layout.

It is breaking support from files with unknown layout.

libavcodec/utils.c

@@ -651,8 +651,6 @@ int ff_init_buffer_info(AVCodecContext *avctx, AVFrame *frame)
                            avctx->channels);
                     return AVERROR(ENOSYS);
                 }
-
-                frame->channel_layout = av_get_default_channel_layout(avctx->channels);
             }
         }
         av_frame_set_channels(frame, avctx->channels);

tests/ref/fate/ffprobe_compact

 packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=1024|duration_time=0.023220|convergence_duration=N/A|convergence_duration_time=N/A|size=2048|pos=572|flags=K
-frame|media_type=audio|key_frame=1|pkt_pts=0|pkt_pts_time=0.000000|pkt_dts=0|pkt_dts_time=0.000000|pkt_duration=1024|pkt_duration_time=0.023220|pkt_pos=572|pkt_size=2048|sample_fmt=s16|nb_samples=1024|channels=1|channel_layout=mono
+frame|media_type=audio|key_frame=1|pkt_pts=0|pkt_pts_time=0.000000|pkt_dts=0|pkt_dts_time=0.000000|pkt_duration=1024|pkt_duration_time=0.023220|pkt_pos=572|pkt_size=2048|sample_fmt=s16|nb_samples=1024|channels=1|channel_layout=unknown
 packet|codec_type=video|stream_index=1|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=2048|duration_time=0.040000|convergence_duration=N/A|convergence_duration_time=N/A|size=230400|pos=2647|flags=K
 frame|media_type=video|key_frame=1|pkt_pts=0|pkt_pts_time=0.000000|pkt_dts=0|pkt_dts_time=0.000000|pkt_duration=2048|pkt_duration_time=0.040000|pkt_pos=2647|pkt_size=N/A|width=320|height=240|pix_fmt=rgb24|sample_aspect_ratio=1:1|pict_type=I|coded_picture_number=0|display_picture_number=0|interlaced_frame=0|top_field_first=0|repeat_pict=0
 packet|codec_type=video|stream_index=2|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=2048|duration_time=0.040000|convergence_duration=N/A|convergence_duration_time=N/A|size=30000|pos=233068|flags=K
 frame|media_type=video|key_frame=1|pkt_pts=0|pkt_pts_time=0.000000|pkt_dts=0|pkt_dts_time=0.000000|pkt_duration=2048|pkt_duration_time=0.040000|pkt_pos=233068|pkt_size=N/A|width=100|height=100|pix_fmt=rgb24|sample_aspect_ratio=1:1|pict_type=I|coded_picture_number=0|display_picture_number=0|interlaced_frame=0|top_field_first=0|repeat_pict=0
 packet|codec_type=audio|stream_index=0|pts=1024|pts_time=0.023220|dts=1024|dts_time=0.023220|duration=1024|duration_time=0.023220|convergence_duration=N/A|convergence_duration_time=N/A|size=2048|pos=263073|flags=K
-frame|media_type=audio|key_frame=1|pkt_pts=1024|pkt_pts_time=0.023220|pkt_dts=1024|pkt_dts_time=0.023220|pkt_duration=1024|pkt_duration_time=0.023220|pkt_pos=263073|pkt_size=2048|sample_fmt=s16|nb_samples=1024|channels=1|channel_layout=mono
+frame|media_type=audio|key_frame=1|pkt_pts=1024|pkt_pts_time=0.023220|pkt_dts=1024|pkt_dts_time=0.023220|pkt_duration=1024|pkt_duration_time=0.023220|pkt_pos=263073|pkt_size=2048|sample_fmt=s16|nb_samples=1024|channels=1|channel_layout=unknown
 packet|codec_type=video|stream_index=1|pts=2048|pts_time=0.040000|dts=2048|dts_time=0.040000|duration=2048|duration_time=0.040000|convergence_duration=N/A|convergence_duration_time=N/A|size=230400|pos=265151|flags=K
 frame|media_type=video|key_frame=1|pkt_pts=2048|pkt_pts_time=0.040000|pkt_dts=2048|pkt_dts_time=0.040000|pkt_duration=2048|pkt_duration_time=0.040000|pkt_pos=265151|pkt_size=N/A|width=320|height=240|pix_fmt=rgb24|sample_aspect_ratio=1:1|pict_type=I|coded_picture_number=0|display_picture_number=0|interlaced_frame=0|top_field_first=0|repeat_pict=0
 packet|codec_type=video|stream_index=2|pts=2048|pts_time=0.040000|dts=2048|dts_time=0.040000|duration=2048|duration_time=0.040000|convergence_duration=N/A|convergence_duration_time=N/A|size=30000|pos=495575|flags=K
 frame|media_type=video|key_frame=1|pkt_pts=2048|pkt_pts_time=0.040000|pkt_dts=2048|pkt_dts_time=0.040000|pkt_duration=2048|pkt_duration_time=0.040000|pkt_pos=495575|pkt_size=N/A|width=100|height=100|pix_fmt=rgb24|sample_aspect_ratio=1:1|pict_type=I|coded_picture_number=0|display_picture_number=0|interlaced_frame=0|top_field_first=0|repeat_pict=0
 packet|codec_type=audio|stream_index=0|pts=2048|pts_time=0.046440|dts=2048|dts_time=0.046440|duration=1024|duration_time=0.023220|convergence_duration=N/A|convergence_duration_time=N/A|size=2048|pos=525580|flags=K
-frame|media_type=audio|key_frame=1|pkt_pts=2048|pkt_pts_time=0.046440|pkt_dts=2048|pkt_dts_time=0.046440|pkt_duration=1024|pkt_duration_time=0.023220|pkt_pos=525580|pkt_size=2048|sample_fmt=s16|nb_samples=1024|channels=1|channel_layout=mono
+frame|media_type=audio|key_frame=1|pkt_pts=2048|pkt_pts_time=0.046440|pkt_dts=2048|pkt_dts_time=0.046440|pkt_duration=1024|pkt_duration_time=0.023220|pkt_pos=525580|pkt_size=2048|sample_fmt=s16|nb_samples=1024|channels=1|channel_layout=unknown
 packet|codec_type=audio|stream_index=0|pts=3072|pts_time=0.069660|dts=3072|dts_time=0.069660|duration=1024|duration_time=0.023220|convergence_duration=N/A|convergence_duration_time=N/A|size=2048|pos=527651|flags=K
-frame|media_type=audio|key_frame=1|pkt_pts=3072|pkt_pts_time=0.069660|pkt_dts=3072|pkt_dts_time=0.069660|pkt_duration=1024|pkt_duration_time=0.023220|pkt_pos=527651|pkt_size=2048|sample_fmt=s16|nb_samples=1024|channels=1|channel_layout=mono
+frame|media_type=audio|key_frame=1|pkt_pts=3072|pkt_pts_time=0.069660|pkt_dts=3072|pkt_dts_time=0.069660|pkt_duration=1024|pkt_duration_time=0.023220|pkt_pos=527651|pkt_size=2048|sample_fmt=s16|nb_samples=1024|channels=1|channel_layout=unknown
 packet|codec_type=video|stream_index=1|pts=4096|pts_time=0.080000|dts=4096|dts_time=0.080000|duration=2048|duration_time=0.040000|convergence_duration=N/A|convergence_duration_time=N/A|size=230400|pos=529729|flags=K
 frame|media_type=video|key_frame=1|pkt_pts=4096|pkt_pts_time=0.080000|pkt_dts=4096|pkt_dts_time=0.080000|pkt_duration=2048|pkt_duration_time=0.040000|pkt_pos=529729|pkt_size=N/A|width=320|height=240|pix_fmt=rgb24|sample_aspect_ratio=1:1|pict_type=I|coded_picture_number=0|display_picture_number=0|interlaced_frame=0|top_field_first=0|repeat_pict=0
 packet|codec_type=video|stream_index=2|pts=4096|pts_time=0.080000|dts=4096|dts_time=0.080000|duration=2048|duration_time=0.040000|convergence_duration=N/A|convergence_duration_time=N/A|size=30000|pos=760153|flags=K
 frame|media_type=video|key_frame=1|pkt_pts=4096|pkt_pts_time=0.080000|pkt_dts=4096|pkt_dts_time=0.080000|pkt_duration=2048|pkt_duration_time=0.040000|pkt_pos=760153|pkt_size=N/A|width=100|height=100|pix_fmt=rgb24|sample_aspect_ratio=1:1|pict_type=I|coded_picture_number=0|display_picture_number=0|interlaced_frame=0|top_field_first=0|repeat_pict=0
 packet|codec_type=audio|stream_index=0|pts=4096|pts_time=0.092880|dts=4096|dts_time=0.092880|duration=1024|duration_time=0.023220|convergence_duration=N/A|convergence_duration_time=N/A|size=2048|pos=790158|flags=K
-frame|media_type=audio|key_frame=1|pkt_pts=4096|pkt_pts_time=0.092880|pkt_dts=4096|pkt_dts_time=0.092880|pkt_duration=1024|pkt_duration_time=0.023220|pkt_pos=790158|pkt_size=2048|sample_fmt=s16|nb_samples=1024|channels=1|channel_layout=mono
+frame|media_type=audio|key_frame=1|pkt_pts=4096|pkt_pts_time=0.092880|pkt_dts=4096|pkt_dts_time=0.092880|pkt_duration=1024|pkt_duration_time=0.023220|pkt_pos=790158|pkt_size=2048|sample_fmt=s16|nb_samples=1024|channels=1|channel_layout=unknown
 packet|codec_type=audio|stream_index=0|pts=5120|pts_time=0.116100|dts=5120|dts_time=0.116100|duration=1024|duration_time=0.023220|convergence_duration=N/A|convergence_duration_time=N/A|size=2048|pos=792229|flags=K
-frame|media_type=audio|key_frame=1|pkt_pts=5120|pkt_pts_time=0.116100|pkt_dts=5120|pkt_dts_time=0.116100|pkt_duration=1024|pkt_duration_time=0.023220|pkt_pos=792229|pkt_size=2048|sample_fmt=s16|nb_samples=1024|channels=1|channel_layout=mono
+frame|media_type=audio|key_frame=1|pkt_pts=5120|pkt_pts_time=0.116100|pkt_dts=5120|pkt_dts_time=0.116100|pkt_duration=1024|pkt_duration_time=0.023220|pkt_pos=792229|pkt_size=2048|sample_fmt=s16|nb_samples=1024|channels=1|channel_layout=unknown
 packet|codec_type=video|stream_index=1|pts=6144|pts_time=0.120000|dts=6144|dts_time=0.120000|duration=2048|duration_time=0.040000|convergence_duration=N/A|convergence_duration_time=N/A|size=230400|pos=794307|flags=K
 frame|media_type=video|key_frame=1|pkt_pts=6144|pkt_pts_time=0.120000|pkt_dts=6144|pkt_dts_time=0.120000|pkt_duration=2048|pkt_duration_time=0.040000|pkt_pos=794307|pkt_size=N/A|width=320|height=240|pix_fmt=rgb24|sample_aspect_ratio=1:1|pict_type=I|coded_picture_number=0|display_picture_number=0|interlaced_frame=0|top_field_first=0|repeat_pict=0
 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|convergence_duration=N/A|convergence_duration_time=N/A|size=30000|pos=1024731|flags=K

tests/ref/fate/ffprobe_csv

 packet,audio,0,0,0.000000,0,0.000000,1024,0.023220,N/A,N/A,2048,572,K
-frame,audio,1,0,0.000000,0,0.000000,1024,0.023220,572,2048,s16,1024,1,mono
+frame,audio,1,0,0.000000,0,0.000000,1024,0.023220,572,2048,s16,1024,1,unknown
 packet,video,1,0,0.000000,0,0.000000,2048,0.040000,N/A,N/A,230400,2647,K
 frame,video,1,0,0.000000,0,0.000000,2048,0.040000,2647,N/A,320,240,rgb24,1:1,I,0,0,0,0,0
 packet,video,2,0,0.000000,0,0.000000,2048,0.040000,N/A,N/A,30000,233068,K
 frame,video,1,0,0.000000,0,0.000000,2048,0.040000,233068,N/A,100,100,rgb24,1:1,I,0,0,0,0,0
 packet,audio,0,1024,0.023220,1024,0.023220,1024,0.023220,N/A,N/A,2048,263073,K
-frame,audio,1,1024,0.023220,1024,0.023220,1024,0.023220,263073,2048,s16,1024,1,mono
+frame,audio,1,1024,0.023220,1024,0.023220,1024,0.023220,263073,2048,s16,1024,1,unknown
 packet,video,1,2048,0.040000,2048,0.040000,2048,0.040000,N/A,N/A,230400,265151,K
 frame,video,1,2048,0.040000,2048,0.040000,2048,0.040000,265151,N/A,320,240,rgb24,1:1,I,0,0,0,0,0
 packet,video,2,2048,0.040000,2048,0.040000,2048,0.040000,N/A,N/A,30000,495575,K
 frame,video,1,2048,0.040000,2048,0.040000,2048,0.040000,495575,N/A,100,100,rgb24,1:1,I,0,0,0,0,0
 packet,audio,0,2048,0.046440,2048,0.046440,1024,0.023220,N/A,N/A,2048,525580,K
-frame,audio,1,2048,0.046440,2048,0.046440,1024,0.023220,525580,2048,s16,1024,1,mono
+frame,audio,1,2048,0.046440,2048,0.046440,1024,0.023220,525580,2048,s16,1024,1,unknown
 packet,audio,0,3072,0.069660,3072,0.069660,1024,0.023220,N/A,N/A,2048,527651,K
-frame,audio,1,3072,0.069660,3072,0.069660,1024,0.023220,527651,2048,s16,1024,1,mono
+frame,audio,1,3072,0.069660,3072,0.069660,1024,0.023220,527651,2048,s16,1024,1,unknown
 packet,video,1,4096,0.080000,4096,0.080000,2048,0.040000,N/A,N/A,230400,529729,K
 frame,video,1,4096,0.080000,4096,0.080000,2048,0.040000,529729,N/A,320,240,rgb24,1:1,I,0,0,0,0,0
 packet,video,2,4096,0.080000,4096,0.080000,2048,0.040000,N/A,N/A,30000,760153,K
 frame,video,1,4096,0.080000,4096,0.080000,2048,0.040000,760153,N/A,100,100,rgb24,1:1,I,0,0,0,0,0
 packet,audio,0,4096,0.092880,4096,0.092880,1024,0.023220,N/A,N/A,2048,790158,K
-frame,audio,1,4096,0.092880,4096,0.092880,1024,0.023220,790158,2048,s16,1024,1,mono
+frame,audio,1,4096,0.092880,4096,0.092880,1024,0.023220,790158,2048,s16,1024,1,unknown
 packet,audio,0,5120,0.116100,5120,0.116100,1024,0.023220,N/A,N/A,2048,792229,K
-frame,audio,1,5120,0.116100,5120,0.116100,1024,0.023220,792229,2048,s16,1024,1,mono
+frame,audio,1,5120,0.116100,5120,0.116100,1024,0.023220,792229,2048,s16,1024,1,unknown
 packet,video,1,6144,0.120000,6144,0.120000,2048,0.040000,N/A,N/A,230400,794307,K
 frame,video,1,6144,0.120000,6144,0.120000,2048,0.040000,794307,N/A,320,240,rgb24,1:1,I,0,0,0,0,0
 packet,video,2,6144,0.120000,6144,0.120000,2048,0.040000,N/A,N/A,30000,1024731,K

tests/ref/fate/ffprobe_default

@@ -27,7 +27,7 @@ pkt_size=2048
 sample_fmt=s16
 nb_samples=1024
 channels=1
-channel_layout=mono
+channel_layout=unknown
 [/FRAME]
 [PACKET]
 codec_type=video
@@ -132,7 +132,7 @@ pkt_size=2048
 sample_fmt=s16
 nb_samples=1024
 channels=1
-channel_layout=mono
+channel_layout=unknown
 [/FRAME]
 [PACKET]
 codec_type=video
@@ -237,7 +237,7 @@ pkt_size=2048
 sample_fmt=s16
 nb_samples=1024
 channels=1
-channel_layout=mono
+channel_layout=unknown
 [/FRAME]
 [PACKET]
 codec_type=audio
@@ -268,7 +268,7 @@ pkt_size=2048
 sample_fmt=s16
 nb_samples=1024
 channels=1
-channel_layout=mono
+channel_layout=unknown
 [/FRAME]
 [PACKET]
 codec_type=video
@@ -373,7 +373,7 @@ pkt_size=2048
 sample_fmt=s16
 nb_samples=1024
 channels=1
-channel_layout=mono
+channel_layout=unknown
 [/FRAME]
 [PACKET]
 codec_type=audio
@@ -404,7 +404,7 @@ pkt_size=2048
 sample_fmt=s16
 nb_samples=1024
 channels=1
-channel_layout=mono
+channel_layout=unknown
 [/FRAME]
 [PACKET]
 codec_type=video

tests/ref/fate/ffprobe_flat

@@ -24,7 +24,7 @@ packets_and_frames.frame.0.pkt_size="2048"
 packets_and_frames.frame.0.sample_fmt="s16"
 packets_and_frames.frame.0.nb_samples=1024
 packets_and_frames.frame.0.channels=1
-packets_and_frames.frame.0.channel_layout="mono"
+packets_and_frames.frame.0.channel_layout="unknown"
 packets_and_frames.packet.1.codec_type="video"
 packets_and_frames.packet.1.stream_index=1
 packets_and_frames.packet.1.pts=0
@@ -117,7 +117,7 @@ packets_and_frames.frame.3.pkt_size="2048"
 packets_and_frames.frame.3.sample_fmt="s16"
 packets_and_frames.frame.3.nb_samples=1024
 packets_and_frames.frame.3.channels=1
-packets_and_frames.frame.3.channel_layout="mono"
+packets_and_frames.frame.3.channel_layout="unknown"
 packets_and_frames.packet.4.codec_type="video"
 packets_and_frames.packet.4.stream_index=1
 packets_and_frames.packet.4.pts=2048
@@ -210,7 +210,7 @@ packets_and_frames.frame.6.pkt_size="2048"
 packets_and_frames.frame.6.sample_fmt="s16"
 packets_and_frames.frame.6.nb_samples=1024
 packets_and_frames.frame.6.channels=1
-packets_and_frames.frame.6.channel_layout="mono"
+packets_and_frames.frame.6.channel_layout="unknown"
 packets_and_frames.packet.7.codec_type="audio"
 packets_and_frames.packet.7.stream_index=0
 packets_and_frames.packet.7.pts=3072
@@ -237,7 +237,7 @@ packets_and_frames.frame.7.pkt_size="2048"
 packets_and_frames.frame.7.sample_fmt="s16"
 packets_and_frames.frame.7.nb_samples=1024
 packets_and_frames.frame.7.channels=1
-packets_and_frames.frame.7.channel_layout="mono"
+packets_and_frames.frame.7.channel_layout="unknown"
 packets_and_frames.packet.8.codec_type="video"
 packets_and_frames.packet.8.stream_index=1
 packets_and_frames.packet.8.pts=4096
@@ -330,7 +330,7 @@ packets_and_frames.frame.10.pkt_size="2048"
 packets_and_frames.frame.10.sample_fmt="s16"
 packets_and_frames.frame.10.nb_samples=1024
 packets_and_frames.frame.10.channels=1
-packets_and_frames.frame.10.channel_layout="mono"
+packets_and_frames.frame.10.channel_layout="unknown"
 packets_and_frames.packet.11.codec_type="audio"
 packets_and_frames.packet.11.stream_index=0
 packets_and_frames.packet.11.pts=5120
@@ -357,7 +357,7 @@ packets_and_frames.frame.11.pkt_size="2048"
 packets_and_frames.frame.11.sample_fmt="s16"
 packets_and_frames.frame.11.nb_samples=1024
 packets_and_frames.frame.11.channels=1
-packets_and_frames.frame.11.channel_layout="mono"
+packets_and_frames.frame.11.channel_layout="unknown"
 packets_and_frames.packet.12.codec_type="video"
 packets_and_frames.packet.12.stream_index=1
 packets_and_frames.packet.12.pts=6144

tests/ref/fate/ffprobe_ini

@@ -29,7 +29,7 @@ pkt_size=2048
 sample_fmt=s16
 nb_samples=1024
 channels=1
-channel_layout=mono
+channel_layout=unknown
 
 [packets_and_frames.packet.1]
 codec_type=video
@@ -134,7 +134,7 @@ pkt_size=2048
 sample_fmt=s16
 nb_samples=1024
 channels=1
-channel_layout=mono
+channel_layout=unknown
 
 [packets_and_frames.packet.4]
 codec_type=video
@@ -239,7 +239,7 @@ pkt_size=2048
 sample_fmt=s16
 nb_samples=1024
 channels=1
-channel_layout=mono
+channel_layout=unknown
 
 [packets_and_frames.packet.7]
 codec_type=audio
@@ -270,7 +270,7 @@ pkt_size=2048
 sample_fmt=s16
 nb_samples=1024
 channels=1
-channel_layout=mono
+channel_layout=unknown
 
 [packets_and_frames.packet.8]
 codec_type=video
@@ -375,7 +375,7 @@ pkt_size=2048
 sample_fmt=s16
 nb_samples=1024
 channels=1
-channel_layout=mono
+channel_layout=unknown
 
 [packets_and_frames.packet.11]
 codec_type=audio
@@ -406,7 +406,7 @@ pkt_size=2048
 sample_fmt=s16
 nb_samples=1024
 channels=1
-channel_layout=mono
+channel_layout=unknown
 
 [packets_and_frames.packet.12]
 codec_type=video

tests/ref/fate/ffprobe_json

@@ -28,8 +28,7 @@
             "pkt_size": "2048",
             "sample_fmt": "s16",
             "nb_samples": 1024,
-            "channels": 1,
-            "channel_layout": "mono"
+            "channels": 1
         },
         {
             "type": "packet",
@@ -131,8 +130,7 @@
             "pkt_size": "2048",
             "sample_fmt": "s16",
             "nb_samples": 1024,
-            "channels": 1,
-            "channel_layout": "mono"
+            "channels": 1
         },
         {
             "type": "packet",
@@ -234,8 +232,7 @@
             "pkt_size": "2048",
             "sample_fmt": "s16",
             "nb_samples": 1024,
-            "channels": 1,
-            "channel_layout": "mono"
+            "channels": 1
         },
         {
             "type": "packet",
@@ -265,8 +262,7 @@
             "pkt_size": "2048",
             "sample_fmt": "s16",
             "nb_samples": 1024,
-            "channels": 1,
-            "channel_layout": "mono"
+            "channels": 1
         },
         {
             "type": "packet",
@@ -368,8 +364,7 @@
             "pkt_size": "2048",
             "sample_fmt": "s16",
             "nb_samples": 1024,
-            "channels": 1,
-            "channel_layout": "mono"
+            "channels": 1
         },
         {
             "type": "packet",
@@ -399,8 +394,7 @@
             "pkt_size": "2048",
             "sample_fmt": "s16",
             "nb_samples": 1024,
-            "channels": 1,
-            "channel_layout": "mono"
+            "channels": 1
         },
         {
             "type": "packet",

tests/ref/fate/ffprobe_xml

@@ -2,29 +2,29 @@
 <ffprobe>
     <packets_and_frames>
         <packet codec_type="audio" stream_index="0" pts="0" pts_time="0.000000" dts="0" dts_time="0.000000" duration="1024" duration_time="0.023220" size="2048" pos="572" flags="K"/>
-        <frame media_type="audio" key_frame="1" pkt_pts="0" pkt_pts_time="0.000000" pkt_dts="0" pkt_dts_time="0.000000" pkt_duration="1024" pkt_duration_time="0.023220" pkt_pos="572" pkt_size="2048" sample_fmt="s16" nb_samples="1024" channels="1" channel_layout="mono"/>
+        <frame media_type="audio" key_frame="1" pkt_pts="0" pkt_pts_time="0.000000" pkt_dts="0" pkt_dts_time="0.000000" pkt_duration="1024" pkt_duration_time="0.023220" pkt_pos="572" pkt_size="2048" sample_fmt="s16" nb_samples="1024" channels="1"/>
         <packet codec_type="video" stream_index="1" pts="0" pts_time="0.000000" dts="0" dts_time="0.000000" duration="2048" duration_time="0.040000" size="230400" pos="2647" flags="K"/>
         <frame media_type="video" key_frame="1" pkt_pts="0" pkt_pts_time="0.000000" pkt_dts="0" pkt_dts_time="0.000000" pkt_duration="2048" pkt_duration_time="0.040000" pkt_pos="2647" width="320" height="240" pix_fmt="rgb24" sample_aspect_ratio="1:1" pict_type="I" coded_picture_number="0" display_picture_number="0" interlaced_frame="0" top_field_first="0" repeat_pict="0"/>
         <packet codec_type="video" stream_index="2" pts="0" pts_time="0.000000" dts="0" dts_time="0.000000" duration="2048" duration_time="0.040000" size="30000" pos="233068" flags="K"/>
         <frame media_type="video" key_frame="1" pkt_pts="0" pkt_pts_time="0.000000" pkt_dts="0" pkt_dts_time="0.000000" pkt_duration="2048" pkt_duration_time="0.040000" pkt_pos="233068" width="100" height="100" pix_fmt="rgb24" sample_aspect_ratio="1:1" pict_type="I" coded_picture_number="0" display_picture_number="0" interlaced_frame="0" top_field_first="0" repeat_pict="0"/>
         <packet codec_type="audio" stream_index="0" pts="1024" pts_time="0.023220" dts="1024" dts_time="0.023220" duration="1024" duration_time="0.023220" size="2048" pos="263073" flags="K"/>
-        <frame media_type="audio" key_frame="1" pkt_pts="1024" pkt_pts_time="0.023220" pkt_dts="1024" pkt_dts_time="0.023220" pkt_duration="1024" pkt_duration_time="0.023220" pkt_pos="263073" pkt_size="2048" sample_fmt="s16" nb_samples="1024" channels="1" channel_layout="mono"/>
+        <frame media_type="audio" key_frame="1" pkt_pts="1024" pkt_pts_time="0.023220" pkt_dts="1024" pkt_dts_time="0.023220" pkt_duration="1024" pkt_duration_time="0.023220" pkt_pos="263073" pkt_size="2048" sample_fmt="s16" nb_samples="1024" channels="1"/>
         <packet codec_type="video" stream_index="1" pts="2048" pts_time="0.040000" dts="2048" dts_time="0.040000" duration="2048" duration_time="0.040000" size="230400" pos="265151" flags="K"/>
         <frame media_type="video" key_frame="1" pkt_pts="2048" pkt_pts_time="0.040000" pkt_dts="2048" pkt_dts_time="0.040000" pkt_duration="2048" pkt_duration_time="0.040000" pkt_pos="265151" width="320" height="240" pix_fmt="rgb24" sample_aspect_ratio="1:1" pict_type="I" coded_picture_number="0" display_picture_number="0" interlaced_frame="0" top_field_first="0" repeat_pict="0"/>
         <packet codec_type="video" stream_index="2" pts="2048" pts_time="0.040000" dts="2048" dts_time="0.040000" duration="2048" duration_time="0.040000" size="30000" pos="495575" flags="K"/>
         <frame media_type="video" key_frame="1" pkt_pts="2048" pkt_pts_time="0.040000" pkt_dts="2048" pkt_dts_time="0.040000" pkt_duration="2048" pkt_duration_time="0.040000" pkt_pos="495575" width="100" height="100" pix_fmt="rgb24" sample_aspect_ratio="1:1" pict_type="I" coded_picture_number="0" display_picture_number="0" interlaced_frame="0" top_field_first="0" repeat_pict="0"/>
         <packet codec_type="audio" stream_index="0" pts="2048" pts_time="0.046440" dts="2048" dts_time="0.046440" duration="1024" duration_time="0.023220" size="2048" pos="525580" flags="K"/>
-        <frame media_type="audio" key_frame="1" pkt_pts="2048" pkt_pts_time="0.046440" pkt_dts="2048" pkt_dts_time="0.046440" pkt_duration="1024" pkt_duration_time="0.023220" pkt_pos="525580" pkt_size="2048" sample_fmt="s16" nb_samples="1024" channels="1" channel_layout="mono"/>
+        <frame media_type="audio" key_frame="1" pkt_pts="2048" pkt_pts_time="0.046440" pkt_dts="2048" pkt_dts_time="0.046440" pkt_duration="1024" pkt_duration_time="0.023220" pkt_pos="525580" pkt_size="2048" sample_fmt="s16" nb_samples="1024" channels="1"/>
         <packet codec_type="audio" stream_index="0" pts="3072" pts_time="0.069660" dts="3072" dts_time="0.069660" duration="1024" duration_time="0.023220" size="2048" pos="527651" flags="K"/>
-        <frame media_type="audio" key_frame="1" pkt_pts="3072" pkt_pts_time="0.069660" pkt_dts="3072" pkt_dts_time="0.069660" pkt_duration="1024" pkt_duration_time="0.023220" pkt_pos="527651" pkt_size="2048" sample_fmt="s16" nb_samples="1024" channels="1" channel_layout="mono"/>
+        <frame media_type="audio" key_frame="1" pkt_pts="3072" pkt_pts_time="0.069660" pkt_dts="3072" pkt_dts_time="0.069660" pkt_duration="1024" pkt_duration_time="0.023220" pkt_pos="527651" pkt_size="2048" sample_fmt="s16" nb_samples="1024" channels="1"/>
         <packet codec_type="video" stream_index="1" pts="4096" pts_time="0.080000" dts="4096" dts_time="0.080000" duration="2048" duration_time="0.040000" size="230400" pos="529729" flags="K"/>
         <frame media_type="video" key_frame="1" pkt_pts="4096" pkt_pts_time="0.080000" pkt_dts="4096" pkt_dts_time="0.080000" pkt_duration="2048" pkt_duration_time="0.040000" pkt_pos="529729" width="320" height="240" pix_fmt="rgb24" sample_aspect_ratio="1:1" pict_type="I" coded_picture_number="0" display_picture_number="0" interlaced_frame="0" top_field_first="0" repeat_pict="0"/>
         <packet codec_type="video" stream_index="2" pts="4096" pts_time="0.080000" dts="4096" dts_time="0.080000" duration="2048" duration_time="0.040000" size="30000" pos="760153" flags="K"/>
         <frame media_type="video" key_frame="1" pkt_pts="4096" pkt_pts_time="0.080000" pkt_dts="4096" pkt_dts_time="0.080000" pkt_duration="2048" pkt_duration_time="0.040000" pkt_pos="760153" width="100" height="100" pix_fmt="rgb24" sample_aspect_ratio="1:1" pict_type="I" coded_picture_number="0" display_picture_number="0" interlaced_frame="0" top_field_first="0" repeat_pict="0"/>
         <packet codec_type="audio" stream_index="0" pts="4096" pts_time="0.092880" dts="4096" dts_time="0.092880" duration="1024" duration_time="0.023220" size="2048" pos="790158" flags="K"/>
-        <frame media_type="audio" key_frame="1" pkt_pts="4096" pkt_pts_time="0.092880" pkt_dts="4096" pkt_dts_time="0.092880" pkt_duration="1024" pkt_duration_time="0.023220" pkt_pos="790158" pkt_size="2048" sample_fmt="s16" nb_samples="1024" channels="1" channel_layout="mono"/>
+        <frame media_type="audio" key_frame="1" pkt_pts="4096" pkt_pts_time="0.092880" pkt_dts="4096" pkt_dts_time="0.092880" pkt_duration="1024" pkt_duration_time="0.023220" pkt_pos="790158" pkt_size="2048" sample_fmt="s16" nb_samples="1024" channels="1"/>
         <packet codec_type="audio" stream_index="0" pts="5120" pts_time="0.116100" dts="5120" dts_time="0.116100" duration="1024" duration_time="0.023220" size="2048" pos="792229" flags="K"/>
-        <frame media_type="audio" key_frame="1" pkt_pts="5120" pkt_pts_time="0.116100" pkt_dts="5120" pkt_dts_time="0.116100" pkt_duration="1024" pkt_duration_time="0.023220" pkt_pos="792229" pkt_size="2048" sample_fmt="s16" nb_samples="1024" channels="1" channel_layout="mono"/>
+        <frame media_type="audio" key_frame="1" pkt_pts="5120" pkt_pts_time="0.116100" pkt_dts="5120" pkt_dts_time="0.116100" pkt_duration="1024" pkt_duration_time="0.023220" pkt_pos="792229" pkt_size="2048" sample_fmt="s16" nb_samples="1024" channels="1"/>
         <packet codec_type="video" stream_index="1" pts="6144" pts_time="0.120000" dts="6144" dts_time="0.120000" duration="2048" duration_time="0.040000" size="230400" pos="794307" flags="K"/>
         <frame media_type="video" key_frame="1" pkt_pts="6144" pkt_pts_time="0.120000" pkt_dts="6144" pkt_dts_time="0.120000" pkt_duration="2048" pkt_duration_time="0.040000" pkt_pos="794307" width="320" height="240" pix_fmt="rgb24" sample_aspect_ratio="1:1" pict_type="I" coded_picture_number="0" display_picture_number="0" interlaced_frame="0" top_field_first="0" repeat_pict="0"/>
         <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="1024731" flags="K"/>