static int ast_write_packet(AVFormatContext *s, AVPacket *pkt) { AVIOContext *pb = s->pb; ASTMuxContext *ast = s->priv_data; AVCodecContext *enc = s->streams[0]->codec; int size = pkt->size / enc->channels; if (enc->frame_number == 1) ast->fbs = size; ffio_wfourcc(pb, "BLCK"); avio_wb32(pb, size); /* Block size */ /* padding */ avio_wb64(pb, 0); avio_wb64(pb, 0); avio_wb64(pb, 0); avio_write(pb, pkt->data, pkt->size); return 0; }
static int ast_write_packet(AVFormatContext *s, AVPacket *pkt) { AVIOContext *pb = s->pb; ASTMuxContext *ast = s->priv_data; AVCodecContext *enc = s->streams[0]->codec; int size = pkt->size / enc->channels; if (enc->frame_number == 1) ast->fbs = size; ffio_wfourcc(pb, "BLCK"); avio_wb32(pb, size);     avio_wb64(pb, 0); avio_wb64(pb, 0); avio_wb64(pb, 0); avio_write(pb, pkt->data, pkt->size); return 0; }