On 1/1/2024 11:12 AM, Nuo Mi wrote:
+static int decode_nal_units(VVCContext *s, VVCFrameContext *fc, AVPacket *avpkt) +{ + const CodedBitstreamH266Context *h266 = s->cbc->priv_data; + CodedBitstreamFragment *frame = &s->current_frame; + int ret = 0; + int eos_at_start = 1;
This never changes, yet it's checked below like it does.
+ s->last_eos = s->eos; + s->eos = 0; + + ff_cbs_fragment_reset(frame); + ret = ff_cbs_read_packet(s->cbc, frame, avpkt); + if (ret < 0) { + av_log(s->avctx, AV_LOG_ERROR, "Failed to read packet.\n"); + return ret; + } + /* decode the NAL units */ + for (int i = 0; i < frame->nb_units; i++) { + const H2645NAL *nal = h266->common.read_packet.nals + i; + const CodedBitstreamUnit *unit = frame->units + i; + + if (unit->type == VVC_EOB_NUT || unit->type == VVC_EOS_NUT) { + if (eos_at_start) + s->last_eos = 1; + else + s->eos = 1; + } else { + ret = decode_nal_unit(s, fc, nal, unit); + if (ret < 0) { + av_log(s->avctx, AV_LOG_WARNING, + "Error parsing NAL unit #%d.\n", i); + goto fail; + } + } + }
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