[FFmpeg-devel] [PATCH v2] avcodec/h264_metadata_bsf: remove AUDs at any position
Gyan Doshi
ffmpeg at gyani.pro
Thu Feb 9 11:12:36 EET 2023
On 2023-02-08 12:03 pm, Gyan Doshi wrote:
>
>
> On 2023-02-04 03:36 pm, Gyan Doshi wrote:
>> Some files, likely due to faulty packetization or muxing, can have AUDs
>> at other positions besides the head unit of a packet. Remove these too.
> Plan to push in 24h if no more comments.
Pushed as 159b028df58f480605b678109088e1b2ba8fdc71
Regards,
Gyan
>
>> ---
>> libavcodec/h264_metadata_bsf.c | 13 +++++++------
>> 1 file changed, 7 insertions(+), 6 deletions(-)
>>
>> diff --git a/libavcodec/h264_metadata_bsf.c
>> b/libavcodec/h264_metadata_bsf.c
>> index d318bf0cee..b9cfeaba94 100644
>> --- a/libavcodec/h264_metadata_bsf.c
>> +++ b/libavcodec/h264_metadata_bsf.c
>> @@ -469,12 +469,13 @@ static int
>> h264_metadata_update_fragment(AVBSFContext *bsf, AVPacket *pkt,
>> H264MetadataContext *ctx = bsf->priv_data;
>> int err, i, has_sps, seek_point;
>> - // If an AUD is present, it must be the first NAL unit.
>> - if (au->nb_units && au->units[0].type == H264_NAL_AUD) {
>> - if (ctx->aud == BSF_ELEMENT_REMOVE)
>> - ff_cbs_delete_unit(au, 0);
>> - } else {
>> - if (pkt && ctx->aud == BSF_ELEMENT_INSERT) {
>> + if (ctx->aud == BSF_ELEMENT_REMOVE) {
>> + for (i = au->nb_units - 1; i >= 0; i--) {
>> + if (au->units[i].type == H264_NAL_AUD)
>> + ff_cbs_delete_unit(au, i);
>> + }
>> + } else if (ctx->aud == BSF_ELEMENT_INSERT) {
>> + if (pkt) {
>> err = h264_metadata_insert_aud(bsf, au);
>> if (err < 0)
>> return err;
>
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