def is_sync_point(self, flv_tag):
if self.stream_header.video:
# If our stream has video, we need to sync on keyframes
if (flv_tag.tag_type == 'video'):
video_data = FLVVideoData()
video_data.parse(flv_tag.body[:video_data.object_size])
return (video_data.frame_type == 'keyframe')
else:
# It's either a non-keyframe video tag or an audio or
# metadata tag
return False
else:
# Audio only, no sync point needed
return True
def is_sync_point(self, flv_tag: FLVTag) -> bool:
if self.stream_header and self.stream_header.video:
# If our stream has video, we need to sync on keyframes
if flv_tag.tag_type == "video":
video_data = FLVVideoData()
video_data.parse(flv_tag.body[:video_data.object_size])
return video_data.frame_type == "keyframe"
else:
# It's either a non-keyframe video tag or an audio or
# metadata tag
return False
else:
# Audio only, no sync point needed
return True
def check_for_initial_tag(self, flv_tag: FLVTag) -> bool:
if not self.got_initial_meta and flv_tag.tag_type == "meta":
self.got_initial_meta = True
self.initial_tags.append(flv_tag)
return True
elif not self.got_initial_audio and flv_tag.tag_type == "audio":
audio_data = FLVAudioData()
audio_data.parse(flv_tag.body[:audio_data.object_size])
if audio_data.sound_format == "AAC" and audio_data.aac_packet_type == audio_data.AAC_SEQUENCE_HEADER:
self.got_initial_audio = True
self.initial_tags.append(flv_tag)
return True
elif not self.got_initial_video and flv_tag.tag_type == "video":
video_data = FLVVideoData()
video_data.parse(flv_tag.body[:video_data.object_size])
if video_data.codec == "AVC" and video_data.avc_packet_type == video_data.AVC_SEQUENCE_HEADER:
self.got_initial_video = True
self.initial_tags.append(flv_tag)
return True
return False
def check_for_initial_tag(self, flv_tag):
if (not self.got_initial_meta and flv_tag.tag_type == 'meta'):
self.got_initial_meta = True
self.initial_tags.append(flv_tag)
return True
elif (not self.got_initial_audio and flv_tag.tag_type == 'audio'):
audio_data = FLVAudioData()
audio_data.parse(flv_tag.body[:audio_data.object_size])
if (audio_data.sound_format == 'AAC' and
audio_data.aac_packet_type == audio_data.AAC_SEQUENCE_HEADER):
self.got_initial_audio = True
self.initial_tags.append(flv_tag)
return True
elif (not self.got_initial_video and flv_tag.tag_type == 'video'):
video_data = FLVVideoData()
video_data.parse(flv_tag.body[:video_data.object_size])
if (video_data.codec == 'AVC' and
video_data.avc_packet_type == video_data.AVC_SEQUENCE_HEADER):
self.got_initial_video = True
self.initial_tags.append(flv_tag)
return True
return False
def check_for_initial_tag(self, flv_tag):
if (not self.got_initial_meta and flv_tag.tag_type == 'meta'):
self.got_initial_meta = True
self.initial_tags.append(flv_tag)
return True
elif (not self.got_initial_audio and flv_tag.tag_type == 'audio'):
audio_data = FLVAudioData()
audio_data.parse(flv_tag.body[:audio_data.object_size])
if (audio_data.sound_format == 'AAC' and audio_data.aac_packet_type
== audio_data.AAC_SEQUENCE_HEADER):
self.got_initial_audio = True
self.initial_tags.append(flv_tag)
return True
elif (not self.got_initial_video and flv_tag.tag_type == 'video'):
video_data = FLVVideoData()
video_data.parse(flv_tag.body[:video_data.object_size])
if (video_data.codec == 'AVC' and video_data.avc_packet_type
== video_data.AVC_SEQUENCE_HEADER):
self.got_initial_video = True
self.initial_tags.append(flv_tag)
return True
return False
