: ffmpeg-devel on behalf of Brad Hards
Sent: Wednesday, June 10, 2020 3:06 PM
To: 'FFmpeg development discussions and patches'
Subject: Re: [FFmpeg-devel] [PATCH] added sei side data
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The side data that is added is a precision time stamp (MISB ST0603), which may
or may not relate to the presentation time stamp.
Unfortunate overlap of acronym.
Brad
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On Tue, 9 Jun 2020 at 22:26, Daniel Loman wrote:
> KK>>Are you aware that this is not going to be frame accurate for the
> non-SPS
> KK>>frame because of reordering?
>
> reordering of the frame in terms of pts versus dts?
>
> these are attached to the AVPackets not AVFrame. They data should
>
am confused with what youre saying
From: ffmpeg-devel on behalf of Daniel Loman
Sent: Tuesday, June 9, 2020 1:52 PM
To: 'FFmpeg development discussions and patches'
Subject: Re: [FFmpeg-devel] [PATCH] added sei side data
From 35034aee293cfd644ce628d3fd932ab7
acket *pkt)
}
}
+uint8_t const *data;
+int size;
+if (data = av_packet_get_side_data(pkt, AV_PKT_DATA_SEI_USER, )) {
+write_sei_user_data(bsf, data, size);
+}
+
err = ff_cbs_write_packet(ctx->cbc, pkt, au);
if (err < 0) {
av_log(bsf, A
On Mon, 1 Jun 2020 at 22:23, Daniel Loman wrote:
> Added seperate side data field to allow adding per packet side data
> message to support MISB 604 encoding
>
Are you aware that this is not going to be frame accurate for the non-SPS
frame because of reordering?
Kieran
On Tue, Jun 09, 2020 at 02:39:14PM +1000, Brad Hards wrote:
> >> --git a/libavcodec/packet.h b/libavcodec/packet.h index
> >> 41485f4527..48e0ccbaf0 100644
> >> --- a/libavcodec/packet.h
> >> +++ b/libavcodec/packet.h
> >> @@ -282,6 +282,11 @@ enum AVPacketSideDataType {
> >> */
> >>
Daniel Loman:
> Added seperate side data field to allow adding per packet side data
> message to support MISB 604 encoding
> ---
> libavcodec/avpacket.c | 1 +
> libavcodec/h264_metadata_bsf.c | 116 +++--
The changes to h264_metadata should be in a separate
>> --git a/libavcodec/packet.h b/libavcodec/packet.h index
>> 41485f4527..48e0ccbaf0 100644
>> --- a/libavcodec/packet.h
>> +++ b/libavcodec/packet.h
>> @@ -282,6 +282,11 @@ enum AVPacketSideDataType {
>> */
>> AV_PKT_DATA_DOVI_CONF,
>>
>> +/**
>> + * This side data contains
On Mon, Jun 01, 2020 at 02:23:23PM -0700, Daniel Loman wrote:
> Added seperate side data field to allow adding per packet side data
> message to support MISB 604 encoding
> ---
> libavcodec/avpacket.c | 1 +
> libavcodec/h264_metadata_bsf.c | 116 +++--
>
Thanks. I have the same need.
Brad
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