FFPROBE gibt zurück, dass alle I-Frames IDR-Frames (KEYFRAME = 1) in einer TS-Datei sind

Laufen

ffprobe -v quiet -print_format json -show_format -show_frames -show_streams -unit -select_streams v "D:\CH621.ts" > "D:\CH621.ts.json" -skip_frame nointra 

Das Ergebnis zeigt, dass alle 6 I-FRAMES IDR sind. Der professionelle TS-MPEG-Analysator zeigt jedoch an, dass die IDR-Frames im Intervall von 2 Sekunden nur 3 sind, wie auf dem Encoder konfiguriert, der die Ausgabe generiert. Weiß jemand warum?

ffprobe version N-91504-g3735d55af3 Copyright (c) 2007-2018 haben die FFmpeg-Entwickler mit gcc 7.3.1 (GCC) 20180710 erstellt

FFPROBE-Ergebnis:

> { > "frames": [ > { > "media_type": "video", > "stream_index": 0, > "key_frame": 1, > "pkt_pts": 936200658, > "pkt_pts_time": "10402.229533 s", > "pkt_dts": 936371658, > "pkt_dts_time": "10404.129533 s", > "best_effort_timestamp": 936200658, > "best_effort_timestamp_time": "10402.229533 s", > "pkt_duration": 3000, > "pkt_duration_time": "0.033333 s", > "pkt_pos": "752", > "pkt_size": "6308 byte", > "width": 400, > "height": 224, > "pix_fmt": "yuv420p", > "sample_aspect_ratio": "224:225", > "pict_type": "I", > "coded_picture_number": 0, > "display_picture_number": 0, > "interlaced_frame": 0, > "top_field_first": 0, > "repeat_pict": 0, > "color_range": "tv", > "color_space": "bt709", > "color_primaries": "bt709", > "color_transfer": "bt709", > "chroma_location": "left", > "side_data_list": [ > { > "side_data_type": "Active format description" > } > ] > }, > { > "media_type": "video", > "stream_index": 0, > "key_frame": 1, > "pkt_pts": 936380658, > "pkt_pts_time": "10404.229533 s", > "pkt_dts": 936386658, > "pkt_dts_time": "10404.296200 s", > "best_effort_timestamp": 936380658, > "best_effort_timestamp_time": "10404.229533 s", > "pkt_duration": 3000, > "pkt_duration_time": "0.033333 s", > "pkt_pos": "169576", > "pkt_size": "7285 byte", > "width": 400, > "height": 224, > "pix_fmt": "yuv420p", > "sample_aspect_ratio": "224:225", > "pict_type": "I", > "coded_picture_number": 1, > "display_picture_number": 0, > "interlaced_frame": 0, > "top_field_first": 0, > "repeat_pict": 0, > "color_range": "tv", > "color_space": "bt709", > "color_primaries": "bt709", > "color_transfer": "bt709", > "chroma_location": "left", > "side_data_list": [ > { > "side_data_type": "Active format description" > } > ] > }, > { > "media_type": "video", > "stream_index": 0, > "key_frame": 1, > "pkt_pts": 936398658, > "pkt_pts_time": "10404.429533 s", > "pkt_dts": 936551658, > "pkt_dts_time": "10406.129533 s", > "best_effort_timestamp": 936398658, > "best_effort_timestamp_time": "10404.429533 s", > "pkt_duration": 3000, > "pkt_duration_time": "0.033333 s", > "pkt_pos": "188000", > "pkt_size": "21889 byte", > "width": 400, > "height": 224, > "pix_fmt": "yuv420p", > "sample_aspect_ratio": "224:225", > "pict_type": "I", > "coded_picture_number": 4, > "display_picture_number": 0, > "interlaced_frame": 0, > "top_field_first": 0, > "repeat_pict": 0, > "color_range": "tv", > "color_space": "bt709", > "color_primaries": "bt709", > "color_transfer": "bt709", > "chroma_location": "left", > "side_data_list": [ > { > "side_data_type": "Active format description" > } > ] > }, > { > "media_type": "video", > "stream_index": 0, > "key_frame": 1, > "pkt_pts": 936560658, > "pkt_pts_time": "10406.229533 s", > "pkt_dts": 936638658, > "pkt_dts_time": "10407.096200 s", > "best_effort_timestamp": 936560658, > "best_effort_timestamp_time": "10406.229533 s", > "pkt_duration": 3000, > "pkt_duration_time": "0.033333 s", > "pkt_pos": "353064", > "pkt_size": "9635 byte", > "width": 400, > "height": 224, > "pix_fmt": "yuv420p", > "sample_aspect_ratio": "224:225", > "pict_type": "I", > "coded_picture_number": 5, > "display_picture_number": 0, > "interlaced_frame": 0, > "top_field_first": 0, > "repeat_pict": 0, > "color_range": "tv", > "color_space": "bt709", > "color_primaries": "bt709", > "color_transfer": "bt709", > "chroma_location": "left", > "side_data_list": [ > { > "side_data_type": "Active format description" > } > ] > }, > { > "media_type": "video", > "stream_index": 0, > "key_frame": 1, > "pkt_pts": 936647658, > "pkt_pts_time": "10407.196200 s", > "pkt_dts": 936689658, > "pkt_dts_time": "10407.662867 s", > "best_effort_timestamp": 936647658, > "best_effort_timestamp_time": "10407.196200 s", > "pkt_duration": 3000, > "pkt_duration_time": "0.033333 s", > "pkt_pos": "440860", > "pkt_size": "7583 byte", > "width": 400, > "height": 224, > "pix_fmt": "yuv420p", > "sample_aspect_ratio": "224:225", > "pict_type": "I", > "coded_picture_number": 10, > "display_picture_number": 0, > "interlaced_frame": 0, > "top_field_first": 0, > "repeat_pict": 0, > "color_range": "tv", > "color_space": "bt709", > "color_primaries": "bt709", > "color_transfer": "bt709", > "chroma_location": "left", > "side_data_list": [ > { > "side_data_type": "Active format description" > } > ] > }, > { > "media_type": "video", > "stream_index": 0, > **"key_frame": 1,** > "pkt_pts": 936707658, > "pkt_pts_time": "10407.862867 s", > "best_effort_timestamp": 936707658, > "best_effort_timestamp_time": " s", > "pkt_duration": 3000, > "pkt_duration_time": "0.033333 s", > "pkt_pos": "516060", > "pkt_size": "10647 byte", > "width": 400, > "height": 224, > "pix_fmt": "yuv420p", > "sample_aspect_ratio": "224:225", > "pict_type": "I", > "coded_picture_number": 15, > "display_picture_number": 0, > "interlaced_frame": 0, > "top_field_first": 0, > "repeat_pict": 0, > "color_range": "tv", > "color_space": "bt709", > "color_primaries": "bt709", > "color_transfer": "bt709", > "chroma_location": "left", > "side_data_list": [ > { > "side_data_type": "Active format description" > } > ] > } > ], > "streams": [ > { > "index": 0, > "codec_name": "h264", > "codec_long_name": "H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10", > "profile": "High", > "codec_type": "video", > "codec_time_base": "1/60", > "codec_tag_string": "[27][0][0][0]", > "codec_tag": "0x001b", > "width": 400, > "height": 224, > "coded_width": 400, > "coded_height": 224, > "has_b_frames": 1, > "sample_aspect_ratio": "224:225", > "display_aspect_ratio": "16:9", > "pix_fmt": "yuv420p", > "level": 13, > "color_range": "tv", > "color_space": "bt709", > "color_transfer": "bt709", > "color_primaries": "bt709", > "chroma_location": "left", > "field_order": "progressive", > "refs": 4, > "is_avc": "false", > "nal_length_size": "0", > "id": "0x21", > "r_frame_rate": "30/1", > "avg_frame_rate": "30/1", > "time_base": "1/90000", > "start_pts": 936200658, > "start_time": "10402.229533 s", > "duration_ts": 540000, > "duration": "6.000000 s", > "bits_per_raw_sample": "8", > "nb_read_frames": "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 > } > } > ], > "format": { > "filename": "D:\\CH621.ts", > "nb_streams": 4, > "nb_programs": 1, > "format_name": "mpegts", > "format_long_name": "MPEG-TS (MPEG-2 Transport Stream)", > "start_time": "10402.229533 s", > "duration": "6.010667 s", > "size": "586748 byte", > "bit_rate": "780942 bit/s", > "probe_score": 50